/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var Asteroid = Container.expand(function (x, y) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	self.health = 150;
	self.maxHealth = 150;
	self.isDestroyed = false;
	self.gridX = Math.floor((x - grid.x) / CELL_SIZE);
	self.gridY = Math.floor((y - grid.y) / CELL_SIZE);
	var asteroidGraphics = self.attachAsset('asteroid', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add rotation animation
	tween(asteroidGraphics, {
		rotation: Math.PI * 2
	}, {
		duration: 8000,
		easing: tween.linear,
		onFinish: function onFinish() {
			if (!self.isDestroyed) {
				asteroidGraphics.rotation = 0;
			}
		}
	});
	// Health bar
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBarOutline.y = healthBar.y = -asteroidGraphics.height / 2 - 15;
	healthBarOutline.x = -healthBarOutline.width / 2;
	healthBar.x = -healthBar.width / 2;
	healthBar.tint = 0x8B4513;
	self.healthBar = healthBar;
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			self.destroy();
		} else {
			self.healthBar.width = self.health / self.maxHealth * 70;
		}
	};
	self.down = function () {
		// Allow manual destruction by tapping
		self.takeDamage(50);
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		// Create debris effect
		for (var i = 0; i < 5; i++) {
			var debris = new Container();
			debris.x = self.x + (Math.random() - 0.5) * 100;
			debris.y = self.y + (Math.random() - 0.5) * 100;
			var debrisGraphics = debris.attachAsset('asteroidDebris', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			game.addChild(debris);
			tween(debris, {
				x: debris.x + (Math.random() - 0.5) * 200,
				y: debris.y + (Math.random() - 0.5) * 200,
				alpha: 0,
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 1000,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					if (debris.parent) {
						debris.parent.removeChild(debris);
					}
				}
			});
		}
		// Clear grid cell
		var cell = grid.getCell(self.gridX, self.gridY);
		if (cell) {
			cell.type = 0;
		}
		// Remove from asteroids array
		var asteroidIndex = asteroids.indexOf(self);
		if (asteroidIndex !== -1) {
			asteroids.splice(asteroidIndex, 1);
		}
		// Recalculate paths
		grid.pathFind();
		grid.renderDebug();
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	// Block the grid cell
	var cell = grid.getCell(self.gridX, self.gridY);
	if (cell) {
		cell.type = 1;
	}
	return self;
});
var Bullet = Container.expand(function (startX, startY, targetEnemy, damage, speed) {
	var self = Container.call(this);
	self.targetEnemy = targetEnemy;
	self.damage = damage || 10;
	self.speed = speed || 5;
	self.x = startX;
	self.y = startY;
	// Create sci-fi projectile based on bullet type
	var assetName = 'bullet'; // default
	var bulletGraphics;
	if (self.type === 'rapid') {
		bulletGraphics = self.attachAsset('energyBeam', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		bulletGraphics.tint = 0x00aaff;
	} else if (self.type === 'sniper') {
		bulletGraphics = self.attachAsset('laserBurst', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		bulletGraphics.tint = 0xff0044;
	} else if (self.type === 'splash') {
		bulletGraphics = self.attachAsset('plasmaBolt', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		bulletGraphics.tint = 0x44ff00;
	} else {
		bulletGraphics = self.attachAsset('bullet', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	// Add pulsing glow effect to projectiles
	tween(bulletGraphics, {
		scaleX: 1.3,
		scaleY: 1.3,
		alpha: 0.7
	}, {
		duration: 300,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(bulletGraphics, {
				scaleX: 1.0,
				scaleY: 1.0,
				alpha: 1.0
			}, {
				duration: 300,
				easing: tween.easeInOut
			});
		}
	});
	self.update = function () {
		if (!self.targetEnemy || !self.targetEnemy.parent) {
			returnBulletToPool(self);
			return;
		}
		var dx = self.targetEnemy.x - self.x;
		var dy = self.targetEnemy.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < self.speed) {
			// Create sci-fi impact flash
			if (self.targetEnemy && self.targetEnemy.parent && !self.targetEnemy.isDestroyed) {
				tween(self.targetEnemy, {
					tint: 0xffffff
				}, {
					duration: 100,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (self.targetEnemy && self.targetEnemy.parent && !self.targetEnemy.isDestroyed) {
							tween(self.targetEnemy, {
								tint: 0xffffff
							}, {
								duration: 200,
								easing: tween.easeIn
							});
						}
					}
				});
			}
			// Apply damage to target enemy
			self.targetEnemy.health -= self.damage;
			if (self.targetEnemy.health <= 0) {
				self.targetEnemy.health = 0;
				// Play enemy destroy sound
				LK.getSound('enemyDestroy').play();
			} else {
				self.targetEnemy.healthBar.width = self.targetEnemy.health / self.targetEnemy.maxHealth * 70;
				// Play enemy hit sound
				LK.getSound('enemyHit').play();
			}
			// Apply special effects based on bullet type
			if (self.type === 'splash') {
				// Create visual splash effect with limiting
				if (canCreateEffect()) {
					var splashEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'splash');
					game.addChild(splashEffect);
					registerEffect(splashEffect);
				}
				// Determine splash radius and damage based on specialization
				var splashRadius = CELL_SIZE * 1.5;
				var splashDamageMultiplier = 0.5;
				if (self.specialization === 'nuclear') {
					splashRadius = CELL_SIZE * 3;
					splashDamageMultiplier = 0.8;
					// Create nuclear explosion effect
					if (canCreateEffect()) {
						var nuclearEffect = new Container();
						nuclearEffect.x = self.targetEnemy.x;
						nuclearEffect.y = self.targetEnemy.y;
						var nuclearGraphics = nuclearEffect.attachAsset('nuclearBlast', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						nuclearGraphics.tint = 0xFF0000;
						nuclearGraphics.alpha = 0.8;
						game.addChild(nuclearEffect);
						tween(nuclearEffect, {
							scaleX: 3,
							scaleY: 3,
							alpha: 0
						}, {
							duration: 800,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								if (nuclearEffect.parent) {
									nuclearEffect.parent.removeChild(nuclearEffect);
								}
							}
						});
					}
				}
				// Splash damage to nearby enemies
				for (var i = 0; i < enemies.length; i++) {
					var otherEnemy = enemies[i];
					if (otherEnemy !== self.targetEnemy) {
						var splashDx = otherEnemy.x - self.targetEnemy.x;
						var splashDy = otherEnemy.y - self.targetEnemy.y;
						var splashDistance = Math.sqrt(splashDx * splashDx + splashDy * splashDy);
						if (splashDistance <= splashRadius) {
							var splashDamage = self.damage * splashDamageMultiplier;
							otherEnemy.health -= splashDamage;
							if (otherEnemy.health <= 0) {
								otherEnemy.health = 0;
							} else {
								otherEnemy.healthBar.width = otherEnemy.health / otherEnemy.maxHealth * 70;
							}
							// Chain reaction effect
							if (self.specialization === 'chainreaction' && Math.random() < 0.3) {
								// 30% chance to chain to another enemy
								for (var j = 0; j < enemies.length; j++) {
									var chainEnemy = enemies[j];
									if (chainEnemy !== otherEnemy && chainEnemy !== self.targetEnemy) {
										var chainDx = chainEnemy.x - otherEnemy.x;
										var chainDy = chainEnemy.y - otherEnemy.y;
										var chainDistance = Math.sqrt(chainDx * chainDx + chainDy * chainDy);
										if (chainDistance <= CELL_SIZE * 2) {
											chainEnemy.health -= splashDamage * 0.7;
											if (chainEnemy.health <= 0) {
												chainEnemy.health = 0;
											} else {
												chainEnemy.healthBar.width = chainEnemy.health / chainEnemy.maxHealth * 70;
											}
											break;
										}
									}
								}
							}
						}
					}
				}
			} else if (self.type === 'slow') {
				// Prevent slow effect on immune enemies
				if (!self.targetEnemy.isImmune) {
					// Create visual slow effect with limiting
					if (canCreateEffect()) {
						var slowEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'slow');
						game.addChild(slowEffect);
						registerEffect(slowEffect);
					}
					// Apply slow effect
					// Make slow percentage scale with tower level (default 50%, up to 80% at max level)
					var slowPct = 0.5;
					if (self.sourceTowerLevel !== undefined) {
						// Scale: 50% at level 1, 60% at 2, 65% at 3, 70% at 4, 75% at 5, 80% at 6
						var slowLevels = [0.5, 0.6, 0.65, 0.7, 0.75, 0.8];
						var idx = Math.max(0, Math.min(5, self.sourceTowerLevel - 1));
						slowPct = slowLevels[idx];
					}
					if (!self.targetEnemy.slowed) {
						self.targetEnemy.originalSpeed = self.targetEnemy.speed;
						self.targetEnemy.speed *= 1 - slowPct; // Slow by X%
						self.targetEnemy.slowed = true;
						self.targetEnemy.slowDuration = 180; // 3 seconds at 60 FPS
					} else {
						self.targetEnemy.slowDuration = 180; // Reset duration
					}
				}
			} else if (self.type === 'poison') {
				// Prevent poison effect on immune enemies
				if (!self.targetEnemy.isImmune) {
					// Create visual poison effect with limiting
					if (canCreateEffect()) {
						var poisonEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'poison');
						game.addChild(poisonEffect);
						registerEffect(poisonEffect);
					}
					// Apply poison effect
					self.targetEnemy.poisoned = true;
					self.targetEnemy.poisonDamage = self.damage * 0.2; // 20% of original damage per tick
					self.targetEnemy.poisonDuration = 300; // 5 seconds at 60 FPS
				}
			} else if (self.type === 'sniper') {
				// Create visual critical hit effect for sniper with limiting
				if (canCreateEffect()) {
					var sniperEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'sniper');
					game.addChild(sniperEffect);
					registerEffect(sniperEffect);
				}
			}
			returnBulletToPool(self);
		} else {
			var angle = Math.atan2(dy, dx);
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) {
			return;
		}
		self.isDestroyed = true;
		// Stop all active tweens on this bullet and its graphics
		tween.stop(self);
		if (self.children && self.children[0]) {
			tween.stop(self.children[0]);
		}
		// Remove from target enemy's bullets array
		if (self.targetEnemy && self.targetEnemy.bulletsTargetingThis) {
			var bulletIndex = self.targetEnemy.bulletsTargetingThis.indexOf(self);
			if (bulletIndex !== -1) {
				self.targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
			}
		}
		// Remove from bullets array
		var bulletArrayIndex = bullets.indexOf(self);
		if (bulletArrayIndex !== -1) {
			bullets.splice(bulletArrayIndex, 1);
		}
		// Remove from parent container
		if (self.parent) {
			self.parent.removeChild(self);
		}
		// Nullify all object references
		self.targetEnemy = null;
		// Call parent destroy
		Container.prototype.destroy.call(self);
	};
	return self;
});
var DebugCell = Container.expand(function () {
	var self = Container.call(this);
	var cellGraphics = self.attachAsset('cell', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cellGraphics.tint = Math.random() * 0xffffff;
	var debugArrows = [];
	var numberLabel = new Text2('0', {
		size: 30,
		fill: 0xFFFFFF,
		weight: 800
	});
	numberLabel.anchor.set(.5, .5);
	self.addChild(numberLabel);
	self.update = function () {};
	self.down = function () {
		return;
		if (self.cell.type == 0 || self.cell.type == 1) {
			self.cell.type = self.cell.type == 1 ? 0 : 1;
			if (grid.pathFind()) {
				self.cell.type = self.cell.type == 1 ? 0 : 1;
				grid.pathFind();
				var notification = game.addChild(new Notification("Path is blocked!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
			grid.renderDebug();
		}
	};
	self.removeArrows = function () {
		while (debugArrows.length) {
			self.removeChild(debugArrows.pop());
		}
	};
	self.render = function (data) {
		switch (data.type) {
			case 0:
			case 2:
				{
					if (data.pathId != pathId) {
						self.removeArrows();
						numberLabel.setText("-");
						cellGraphics.tint = 0x220044; // Deep space color
						return;
					}
					numberLabel.visible = true;
					var tint = Math.floor(data.score / maxScore * 0x88);
					var towerInRangeHighlight = false;
					if (selectedTower && data.towersInRange && data.towersInRange.indexOf(selectedTower) !== -1) {
						towerInRangeHighlight = true;
						cellGraphics.tint = 0x0088ff; // Energy field blue
					} else {
						// Create starfield effect with bluish tint
						var starfieldTint = 0x001122 + (tint << 8) + (tint >> 1);
						cellGraphics.tint = starfieldTint;
					}
					while (debugArrows.length > data.targets.length) {
						self.removeChild(debugArrows.pop());
					}
					for (var a = 0; a < data.targets.length; a++) {
						var destination = data.targets[a];
						var ox = destination.x - data.x;
						var oy = destination.y - data.y;
						var angle = Math.atan2(oy, ox);
						if (!debugArrows[a]) {
							debugArrows[a] = LK.getAsset('arrow', {
								anchorX: -.5,
								anchorY: 0.5
							});
							debugArrows[a].alpha = .5;
							self.addChildAt(debugArrows[a], 1);
						}
						debugArrows[a].rotation = angle;
					}
					break;
				}
			case 1:
				{
					self.removeArrows();
					cellGraphics.tint = 0xaaaaaa;
					numberLabel.visible = false;
					break;
				}
			case 3:
				{
					self.removeArrows();
					cellGraphics.tint = 0x008800;
					numberLabel.visible = false;
					break;
				}
		}
		numberLabel.setText(Math.floor(data.score / 1000) / 10);
	};
});
// This update method was incorrectly placed here and should be removed
var EffectIndicator = Container.expand(function (x, y, type) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	var effectGraphics = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	effectGraphics.blendMode = 1;
	// Create energy particles around main effect
	var particles = [];
	for (var i = 0; i < 6; i++) {
		var particle = self.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		particle.width = 8;
		particle.height = 8;
		var angle = i / 6 * Math.PI * 2;
		particle.x = Math.cos(angle) * 30;
		particle.y = Math.sin(angle) * 30;
		particles.push(particle);
	}
	switch (type) {
		case 'splash':
			effectGraphics.tint = 0x33CC00;
			effectGraphics.width = effectGraphics.height = CELL_SIZE * 1.5;
			for (var i = 0; i < particles.length; i++) {
				particles[i].tint = 0x88FF44;
			}
			break;
		case 'slow':
			effectGraphics.tint = 0x9900FF;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			for (var i = 0; i < particles.length; i++) {
				particles[i].tint = 0xCC44FF;
			}
			break;
		case 'poison':
			effectGraphics.tint = 0x00FFAA;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			for (var i = 0; i < particles.length; i++) {
				particles[i].tint = 0x44FFCC;
			}
			break;
		case 'sniper':
			effectGraphics.tint = 0xFF5500;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			for (var i = 0; i < particles.length; i++) {
				particles[i].tint = 0xFF8844;
			}
			break;
	}
	effectGraphics.alpha = 0.7;
	// Animate particles spiraling outward
	for (var i = 0; i < particles.length; i++) {
		var particle = particles[i];
		var delay = i * 50;
		tween(particle, {
			x: particle.x * 2,
			y: particle.y * 2,
			scaleX: 0.5,
			scaleY: 0.5,
			alpha: 0
		}, {
			duration: 400,
			delay: delay,
			easing: tween.easeOut
		});
	}
	self.alpha = 0;
	// Animate the effect
	tween(self, {
		alpha: 0.8,
		scaleX: 1.5,
		scaleY: 1.5
	}, {
		duration: 200,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(self, {
				alpha: 0,
				scaleX: 2,
				scaleY: 2
			}, {
				duration: 300,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					self.destroy();
				}
			});
		}
	});
	self.destroy = function () {
		if (self.isDestroyed) {
			return;
		}
		self.isDestroyed = true;
		// Stop all active tweens on this effect and its children
		tween.stop(self);
		for (var i = 0; i < self.children.length; i++) {
			if (self.children[i]) {
				tween.stop(self.children[i]);
			}
		}
		// Remove from activeEffects array
		var effectIndex = activeEffects.indexOf(self);
		if (effectIndex !== -1) {
			activeEffects.splice(effectIndex, 1);
		}
		// Remove from parent container
		if (self.parent) {
			self.parent.removeChild(self);
		}
		// Call parent destroy
		Container.prototype.destroy.call(self);
	};
	return self;
});
// Base enemy class for common functionality
var Enemy = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'normal';
	self.speed = .01;
	self.cellX = 0;
	self.cellY = 0;
	self.currentCellX = 0;
	self.currentCellY = 0;
	self.currentTarget = undefined;
	self.maxHealth = 100;
	self.health = self.maxHealth;
	self.bulletsTargetingThis = [];
	self.waveNumber = currentWave;
	self.isFlying = false;
	self.isImmune = false;
	self.isBoss = false;
	self.isDestroyed = false;
	// Check if this is a boss wave
	// Check if this is a boss wave
	// Apply different stats based on enemy type
	switch (self.type) {
		case 'fast':
			self.speed *= 2; // Twice as fast
			self.maxHealth = 100;
			break;
		case 'immune':
			self.isImmune = true;
			self.maxHealth = 80;
			break;
		case 'flying':
			self.isFlying = true;
			self.maxHealth = 80;
			break;
		case 'swarm':
			self.maxHealth = 50; // Weaker enemies
			break;
		case 'normal':
		default:
			// Normal enemy uses default values
			break;
	}
	if (currentWave % 10 === 0 && currentWave > 0 && type !== 'swarm') {
		self.isBoss = true;
		// Boss enemies have 20x health and are larger
		self.maxHealth *= 20;
		// Slower speed for bosses
		self.speed = self.speed * 0.7;
	}
	self.health = self.maxHealth;
	// Get appropriate asset for this enemy type
	var assetId = 'enemy';
	if (self.type !== 'normal') {
		assetId = 'enemy_' + self.type;
	}
	var enemyGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Scale up boss enemies
	if (self.isBoss) {
		enemyGraphics.scaleX = 1.8;
		enemyGraphics.scaleY = 1.8;
	}
	// Fall back to regular enemy asset if specific type asset not found
	// Apply tint to differentiate enemy types
	/*switch (self.type) {
		case 'fast':
			enemyGraphics.tint = 0x00AAFF; // Blue for fast enemies
			break;
		case 'immune':
			enemyGraphics.tint = 0xAA0000; // Red for immune enemies
			break;
		case 'flying':
			enemyGraphics.tint = 0xFFFF00; // Yellow for flying enemies
			break;
		case 'swarm':
			enemyGraphics.tint = 0xFF00FF; // Pink for swarm enemies
			break;
	}*/
	// Create shadow for flying enemies
	if (self.isFlying) {
		// Create a shadow container that will be added to the shadow layer
		self.shadow = new Container();
		// Clone the enemy graphics for the shadow
		var shadowGraphics = self.shadow.attachAsset(assetId || 'enemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Apply shadow effect
		shadowGraphics.tint = 0x000000; // Black shadow
		shadowGraphics.alpha = 0.4; // Semi-transparent
		// If this is a boss, scale up the shadow to match
		if (self.isBoss) {
			shadowGraphics.scaleX = 1.8;
			shadowGraphics.scaleY = 1.8;
		}
		// Position shadow slightly offset
		self.shadow.x = 20; // Offset right
		self.shadow.y = 20; // Offset down
		// Ensure shadow has the same rotation as the enemy
		shadowGraphics.rotation = enemyGraphics.rotation;
	}
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBarBG = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBarBG.y = healthBarOutline.y = healthBar.y = -enemyGraphics.height / 2 - 10;
	healthBarOutline.x = -healthBarOutline.width / 2;
	healthBarBG.x = healthBar.x = -healthBar.width / 2 - .5;
	healthBar.tint = 0x00ff00;
	healthBarBG.tint = 0xff0000;
	self.healthBar = healthBar;
	// Add visual type indicator for better enemy identification
	if (self.type !== 'normal') {
		var typeIndicator = self.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		typeIndicator.width = 16;
		typeIndicator.height = 16;
		typeIndicator.y = -enemyGraphics.height / 2 - 35; // Above health bar
		// Color code the indicator based on enemy type
		switch (self.type) {
			case 'fast':
				typeIndicator.tint = 0x00AAFF;
				break;
			case 'immune':
				typeIndicator.tint = 0xAA0000;
				break;
			case 'flying':
				typeIndicator.tint = 0xFFFF00;
				break;
			case 'swarm':
				typeIndicator.tint = 0xFF00FF;
				break;
		}
		// Make boss indicators larger and more prominent
		if (self.isBoss) {
			typeIndicator.width = 24;
			typeIndicator.height = 24;
			typeIndicator.tint = 0xFFD700; // Gold for bosses
			// Add pulsing effect for boss indicator
			tween(typeIndicator, {
				scaleX: 1.3,
				scaleY: 1.3,
				alpha: 0.7
			}, {
				duration: 800,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(typeIndicator, {
						scaleX: 1.0,
						scaleY: 1.0,
						alpha: 1.0
					}, {
						duration: 800,
						easing: tween.easeInOut
					});
				}
			});
		}
	}
	self.update = function () {
		if (self.health <= 0) {
			self.health = 0;
			self.healthBar.width = 0;
		}
		// Handle slow effect
		if (self.isImmune) {
			// Immune enemies cannot be slowed or poisoned, clear any such effects
			self.slowed = false;
			self.slowEffect = false;
			self.poisoned = false;
			self.poisonEffect = false;
			// Reset speed to original if needed
			if (self.originalSpeed !== undefined) {
				self.speed = self.originalSpeed;
			}
		} else {
			// Handle slow effect
			if (self.slowed) {
				// Visual indication of slowed status
				if (!self.slowEffect) {
					self.slowEffect = true;
				}
				self.slowDuration--;
				if (self.slowDuration <= 0) {
					self.speed = self.originalSpeed;
					self.slowed = false;
					self.slowEffect = false;
					// Only reset tint if not poisoned
					if (!self.poisoned) {
						enemyGraphics.tint = 0xFFFFFF; // Reset tint
					}
				}
			}
			// Handle poison effect
			if (self.poisoned) {
				// Visual indication of poisoned status
				if (!self.poisonEffect) {
					self.poisonEffect = true;
				}
				// Apply poison damage every 30 frames (twice per second)
				if (LK.ticks % 30 === 0) {
					self.health -= self.poisonDamage;
					if (self.health <= 0) {
						self.health = 0;
					}
					self.healthBar.width = self.health / self.maxHealth * 70;
				}
				self.poisonDuration--;
				if (self.poisonDuration <= 0) {
					self.poisoned = false;
					self.poisonEffect = false;
					// Only reset tint if not slowed
					if (!self.slowed) {
						enemyGraphics.tint = 0xFFFFFF; // Reset tint
					}
				}
			}
		}
		// Improved visual clarity for enemy types with better differentiation
		var baseTint = 0xFFFFFF;
		// First set base tint based on enemy type for better visual clarity
		switch (self.type) {
			case 'fast':
				baseTint = 0x4488FF; // Bright blue for fast enemies
				break;
			case 'immune':
				baseTint = 0xFF4444; // Bright red for immune enemies
				break;
			case 'flying':
				baseTint = 0xFFDD44; // Bright yellow for flying enemies
				break;
			case 'swarm':
				baseTint = 0xFF44DD; // Bright magenta for swarm enemies
				break;
			case 'normal':
			default:
				baseTint = 0xCCCCCC; // Light gray for normal enemies
				break;
		}
		// Apply boss scaling to tint if this is a boss
		if (self.isBoss) {
			// Make boss enemies more vibrant and add a red outline effect
			var r = baseTint >> 16 & 0xFF;
			var g = baseTint >> 8 & 0xFF;
			var b = baseTint & 0xFF;
			// Boost color intensity for bosses
			r = Math.min(255, Math.floor(r * 1.3));
			g = Math.min(255, Math.floor(g * 1.3));
			b = Math.min(255, Math.floor(b * 1.3));
			baseTint = r << 16 | g << 8 | b;
		}
		// Then apply status effect overlays
		if (self.isImmune) {
			// Keep immune tint but add pulsing effect for better visibility
			enemyGraphics.tint = baseTint;
			// Add shield shimmer effect for immune enemies
			if (!self.shieldEffect && !self.isDestroyed) {
				self.shieldEffect = true;
				tween(enemyGraphics, {
					alpha: 0.8
				}, {
					duration: 500,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						if (!self.isDestroyed) {
							tween(enemyGraphics, {
								alpha: 1.0
							}, {
								duration: 500,
								easing: tween.easeInOut
							});
						}
					}
				});
			}
		} else if (self.poisoned && self.slowed) {
			// Blend poison green with slow purple over the base tint
			enemyGraphics.tint = 0x4C7FD4; // Keep existing blend color
		} else if (self.poisoned) {
			// Poison overlay - green tint
			var r = Math.floor((baseTint >> 16 & 0xFF) * 0.5);
			var g = Math.min(255, Math.floor((baseTint >> 8 & 0xFF) * 0.5 + 170));
			var b = Math.floor((baseTint & 0xFF) * 0.5 + 85);
			enemyGraphics.tint = r << 16 | g << 8 | b;
			// Add crackling energy effect for poisoned
			if (!self.poisonFlicker && !self.isDestroyed) {
				self.poisonFlicker = true;
				tween(enemyGraphics, {
					scaleX: 1.1,
					scaleY: 1.1
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (!self.isDestroyed) {
							tween(enemyGraphics, {
								scaleX: 1.0,
								scaleY: 1.0
							}, {
								duration: 200,
								easing: tween.easeIn,
								onFinish: function onFinish() {
									self.poisonFlicker = false;
								}
							});
						}
					}
				});
			}
		} else if (self.slowed) {
			// Slow overlay - purple tint
			var r = Math.floor((baseTint >> 16 & 0xFF) * 0.5 + 76);
			var g = Math.floor((baseTint >> 8 & 0xFF) * 0.5);
			var b = Math.min(255, Math.floor((baseTint & 0xFF) * 0.5 + 127));
			enemyGraphics.tint = r << 16 | g << 8 | b;
		} else {
			enemyGraphics.tint = baseTint;
			self.shieldEffect = false;
		}
		if (self.currentTarget) {
			var ox = self.currentTarget.x - self.currentCellX;
			var oy = self.currentTarget.y - self.currentCellY;
			if (ox !== 0 || oy !== 0) {
				var angle = Math.atan2(oy, ox);
				if (enemyGraphics.targetRotation === undefined) {
					enemyGraphics.targetRotation = angle;
					enemyGraphics.rotation = angle;
				} else {
					if (Math.abs(angle - enemyGraphics.targetRotation) > 0.05 && !self.isDestroyed) {
						tween.stop(enemyGraphics, {
							rotation: true
						});
						// Calculate the shortest angle to rotate
						var currentRotation = enemyGraphics.rotation;
						var angleDiff = angle - currentRotation;
						// Normalize angle difference to -PI to PI range for shortest path
						while (angleDiff > Math.PI) {
							angleDiff -= Math.PI * 2;
						}
						while (angleDiff < -Math.PI) {
							angleDiff += Math.PI * 2;
						}
						enemyGraphics.targetRotation = angle;
						tween(enemyGraphics, {
							rotation: currentRotation + angleDiff
						}, {
							duration: 250,
							easing: tween.easeOut
						});
					}
				}
			}
		}
		healthBarOutline.y = healthBarBG.y = healthBar.y = -enemyGraphics.height / 2 - 10;
	};
	self.destroy = function () {
		if (self.isDestroyed) {
			return;
		}
		self.isDestroyed = true;
		// Stop all active tweens on this enemy and its graphics
		tween.stop(self);
		if (self.children && self.children[0]) {
			tween.stop(self.children[0]);
		}
		// Clear all bullets targeting this enemy
		for (var i = 0; i < self.bulletsTargetingThis.length; i++) {
			var bullet = self.bulletsTargetingThis[i];
			if (bullet) {
				bullet.targetEnemy = null;
			}
		}
		self.bulletsTargetingThis = [];
		// Remove from enemies array
		var enemyIndex = enemies.indexOf(self);
		if (enemyIndex !== -1) {
			enemies.splice(enemyIndex, 1);
		}
		// Remove from parent container
		if (self.parent) {
			self.parent.removeChild(self);
		}
		// Clean up shadow if it's a flying enemy
		if (self.isFlying && self.shadow) {
			if (self.shadow.parent) {
				self.shadow.parent.removeChild(self.shadow);
			}
			self.shadow = null;
		}
		// Nullify all object references
		self.targetEnemy = null;
		self.currentTarget = null;
		self.flyingTarget = null;
		self.healthBar = null;
		self.energyCore = null;
		// Call parent destroy
		Container.prototype.destroy.call(self);
	};
	return self;
});
var GoldIndicator = Container.expand(function (value, x, y) {
	var self = Container.call(this);
	var shadowText = new Text2("+" + value, {
		size: 45,
		fill: 0x000000,
		weight: 800
	});
	shadowText.anchor.set(0.5, 0.5);
	shadowText.x = 2;
	shadowText.y = 2;
	self.addChild(shadowText);
	var goldText = new Text2("+" + value, {
		size: 45,
		fill: 0xFFD700,
		weight: 800
	});
	goldText.anchor.set(0.5, 0.5);
	self.addChild(goldText);
	self.x = x;
	self.y = y;
	self.alpha = 0;
	self.scaleX = 0.5;
	self.scaleY = 0.5;
	tween(self, {
		alpha: 1,
		scaleX: 1.2,
		scaleY: 1.2,
		y: y - 40
	}, {
		duration: 50,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(self, {
				alpha: 0,
				scaleX: 1.5,
				scaleY: 1.5,
				y: y - 80
			}, {
				duration: 600,
				easing: tween.easeIn,
				delay: 800,
				onFinish: function onFinish() {
					self.destroy();
				}
			});
		}
	});
	return self;
});
var Grid = Container.expand(function (gridWidth, gridHeight) {
	var self = Container.call(this);
	self.cells = [];
	self.spawns = [];
	self.goals = [];
	for (var i = 0; i < gridWidth; i++) {
		self.cells[i] = [];
		for (var j = 0; j < gridHeight; j++) {
			self.cells[i][j] = {
				score: 0,
				pathId: 0,
				towersInRange: []
			};
		}
	}
	/*
				Cell Types
				0: Transparent floor
				1: Wall
				2: Spawn
				3: Goal
	*/
	for (var i = 0; i < gridWidth; i++) {
		for (var j = 0; j < gridHeight; j++) {
			var cell = self.cells[i][j];
			var cellType = i === 0 || i === gridWidth - 1 || j <= 4 || j >= gridHeight - 4 ? 1 : 0;
			if (i > 11 - 3 && i <= 11 + 3) {
				if (j === 0) {
					cellType = 2;
					self.spawns.push(cell);
				} else if (j <= 4) {
					cellType = 0;
				} else if (j === gridHeight - 1) {
					cellType = 3;
					self.goals.push(cell);
				} else if (j >= gridHeight - 4) {
					cellType = 0;
				}
			}
			cell.type = cellType;
			cell.x = i;
			cell.y = j;
			cell.upLeft = self.cells[i - 1] && self.cells[i - 1][j - 1];
			cell.up = self.cells[i - 1] && self.cells[i - 1][j];
			cell.upRight = self.cells[i - 1] && self.cells[i - 1][j + 1];
			cell.left = self.cells[i][j - 1];
			cell.right = self.cells[i][j + 1];
			cell.downLeft = self.cells[i + 1] && self.cells[i + 1][j - 1];
			cell.down = self.cells[i + 1] && self.cells[i + 1][j];
			cell.downRight = self.cells[i + 1] && self.cells[i + 1][j + 1];
			cell.neighbors = [cell.upLeft, cell.up, cell.upRight, cell.right, cell.downRight, cell.down, cell.downLeft, cell.left];
			cell.targets = [];
			if (j > 3 && j <= gridHeight - 4) {
				var debugCell = new DebugCell();
				self.addChild(debugCell);
				debugCell.cell = cell;
				debugCell.x = i * CELL_SIZE;
				debugCell.y = j * CELL_SIZE;
				cell.debugCell = debugCell;
			}
		}
	}
	self.getCell = function (x, y) {
		return self.cells[x] && self.cells[x][y];
	};
	self.pathFind = function () {
		var before = new Date().getTime();
		var toProcess = self.goals.concat([]);
		maxScore = 0;
		pathId += 1;
		for (var a = 0; a < toProcess.length; a++) {
			toProcess[a].pathId = pathId;
		}
		// Mark junction cells for branching
		for (var i = 0; i < pathJunctions.length; i++) {
			var junction = pathJunctions[i];
			var junctionCell = self.getCell(junction.gridX, junction.gridY);
			if (junctionCell) {
				junctionCell.isJunction = true;
				junctionCell.junction = junction;
			}
		}
		function processNode(node, targetValue, targetNode) {
			if (node && node.type != 1) {
				if (node.pathId < pathId || targetValue < node.score) {
					node.targets = [targetNode];
				} else if (node.pathId == pathId && targetValue == node.score) {
					node.targets.push(targetNode);
				}
				if (node.pathId < pathId || targetValue < node.score) {
					node.score = targetValue;
					if (node.pathId != pathId) {
						toProcess.push(node);
					}
					node.pathId = pathId;
					if (targetValue > maxScore) {
						maxScore = targetValue;
					}
				}
			}
		}
		while (toProcess.length) {
			var nodes = toProcess;
			toProcess = [];
			for (var a = 0; a < nodes.length; a++) {
				var node = nodes[a];
				var targetScore = node.score + 14142;
				if (node.up && node.left && node.up.type != 1 && node.left.type != 1) {
					processNode(node.upLeft, targetScore, node);
				}
				if (node.up && node.right && node.up.type != 1 && node.right.type != 1) {
					processNode(node.upRight, targetScore, node);
				}
				if (node.down && node.right && node.down.type != 1 && node.right.type != 1) {
					processNode(node.downRight, targetScore, node);
				}
				if (node.down && node.left && node.down.type != 1 && node.left.type != 1) {
					processNode(node.downLeft, targetScore, node);
				}
				targetScore = node.score + 10000;
				processNode(node.up, targetScore, node);
				processNode(node.right, targetScore, node);
				processNode(node.down, targetScore, node);
				processNode(node.left, targetScore, node);
			}
		}
		for (var a = 0; a < self.spawns.length; a++) {
			if (self.spawns[a].pathId != pathId) {
				console.warn("Spawn blocked");
				return true;
			}
		}
		for (var a = 0; a < enemies.length; a++) {
			var enemy = enemies[a];
			// Skip enemies that haven't entered the viewable area yet
			if (enemy.currentCellY < 4) {
				continue;
			}
			// Skip flying enemies from path check as they can fly over obstacles
			if (enemy.isFlying) {
				continue;
			}
			var target = self.getCell(enemy.cellX, enemy.cellY);
			if (enemy.currentTarget) {
				if (enemy.currentTarget.pathId != pathId) {
					if (!target || target.pathId != pathId) {
						console.warn("Enemy blocked 1 ");
						return true;
					}
				}
			} else if (!target || target.pathId != pathId) {
				console.warn("Enemy blocked 2");
				return true;
			}
		}
		console.log("Speed", new Date().getTime() - before);
	};
	self.renderDebug = function () {
		for (var i = 0; i < gridWidth; i++) {
			for (var j = 0; j < gridHeight; j++) {
				var debugCell = self.cells[i][j].debugCell;
				if (debugCell) {
					debugCell.render(self.cells[i][j]);
				}
			}
		}
	};
	self.updateEnemy = function (enemy) {
		var cell = grid.getCell(enemy.cellX, enemy.cellY);
		if (cell.type == 3) {
			return true;
		}
		if (enemy.isFlying && enemy.shadow) {
			enemy.shadow.x = enemy.x + 20; // Match enemy x-position + offset
			enemy.shadow.y = enemy.y + 20; // Match enemy y-position + offset
			// Match shadow rotation with enemy rotation
			if (enemy.children[0] && enemy.shadow.children[0]) {
				enemy.shadow.children[0].rotation = enemy.children[0].rotation;
			}
		}
		// Check if the enemy has reached the entry area (y position is at least 5)
		var hasReachedEntryArea = enemy.currentCellY >= 4;
		// If enemy hasn't reached the entry area yet, just move down vertically
		if (!hasReachedEntryArea) {
			// Move directly downward
			enemy.currentCellY += enemy.speed;
			// Rotate enemy graphic to face downward (PI/2 radians = 90 degrees)
			var angle = Math.PI / 2;
			if (enemy.children[0] && enemy.children[0].targetRotation === undefined) {
				enemy.children[0].targetRotation = angle;
				enemy.children[0].rotation = angle;
			} else if (enemy.children[0]) {
				if (Math.abs(angle - enemy.children[0].targetRotation) > 0.05 && !enemy.isDestroyed) {
					tween.stop(enemy.children[0], {
						rotation: true
					});
					// Calculate the shortest angle to rotate
					var currentRotation = enemy.children[0].rotation;
					var angleDiff = angle - currentRotation;
					// Normalize angle difference to -PI to PI range for shortest path
					while (angleDiff > Math.PI) {
						angleDiff -= Math.PI * 2;
					}
					while (angleDiff < -Math.PI) {
						angleDiff += Math.PI * 2;
					}
					// Set target rotation and animate to it
					enemy.children[0].targetRotation = angle;
					tween(enemy.children[0], {
						rotation: currentRotation + angleDiff
					}, {
						duration: 250,
						easing: tween.easeOut
					});
				}
			}
			// Update enemy's position
			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			// If enemy has now reached the entry area, update cell coordinates
			if (enemy.currentCellY >= 4) {
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
			}
			return false;
		}
		// After reaching entry area, handle flying enemies differently
		if (enemy.isFlying) {
			// Flying enemies head straight to the closest goal
			if (!enemy.flyingTarget) {
				// Set flying target to the closest goal
				enemy.flyingTarget = self.goals[0];
				// Find closest goal if there are multiple
				if (self.goals.length > 1) {
					var closestDist = Infinity;
					for (var i = 0; i < self.goals.length; i++) {
						var goal = self.goals[i];
						var dx = goal.x - enemy.cellX;
						var dy = goal.y - enemy.cellY;
						var dist = dx * dx + dy * dy;
						if (dist < closestDist) {
							closestDist = dist;
							enemy.flyingTarget = goal;
						}
					}
				}
			}
			// Move directly toward the goal
			var ox = enemy.flyingTarget.x - enemy.currentCellX;
			var oy = enemy.flyingTarget.y - enemy.currentCellY;
			var dist = Math.sqrt(ox * ox + oy * oy);
			if (dist < enemy.speed) {
				// Reached the goal
				return true;
			}
			var angle = Math.atan2(oy, ox);
			// Rotate enemy graphic to match movement direction
			if (enemy.children[0] && enemy.children[0].targetRotation === undefined) {
				enemy.children[0].targetRotation = angle;
				enemy.children[0].rotation = angle;
			} else if (enemy.children[0]) {
				if (Math.abs(angle - enemy.children[0].targetRotation) > 0.05 && !enemy.isDestroyed) {
					tween.stop(enemy.children[0], {
						rotation: true
					});
					// Calculate the shortest angle to rotate
					var currentRotation = enemy.children[0].rotation;
					var angleDiff = angle - currentRotation;
					// Normalize angle difference to -PI to PI range for shortest path
					while (angleDiff > Math.PI) {
						angleDiff -= Math.PI * 2;
					}
					while (angleDiff < -Math.PI) {
						angleDiff += Math.PI * 2;
					}
					// Set target rotation and animate to it
					enemy.children[0].targetRotation = angle;
					tween(enemy.children[0], {
						rotation: currentRotation + angleDiff
					}, {
						duration: 250,
						easing: tween.easeOut
					});
				}
			}
			// Update the cell position to track where the flying enemy is
			enemy.cellX = Math.round(enemy.currentCellX);
			enemy.cellY = Math.round(enemy.currentCellY);
			enemy.currentCellX += Math.cos(angle) * enemy.speed;
			enemy.currentCellY += Math.sin(angle) * enemy.speed;
			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			// Update shadow position if this is a flying enemy
			return false;
		}
		// Handle normal pathfinding enemies
		if (!enemy.currentTarget) {
			// Check if enemy is at a junction
			if (cell && cell.isJunction && !enemy.chosenBranch) {
				var junction = cell.junction;
				var chosenBranch = junction.choosePath(enemy);
				if (chosenBranch) {
					enemy.chosenBranch = chosenBranch;
					enemy.currentTarget = grid.getCell(chosenBranch.targetX, chosenBranch.targetY);
					// Show visual path indicator
					if (routeVisualizer && Math.random() < 0.3) {
						// Show for 30% of enemies
						routeVisualizer.showPaths(junction, enemy);
					}
					// Add notification for significant route changes
					if (Math.random() < 0.1) {
						// 10% chance
						var routeType = chosenBranch.isShortPath ? "direct" : "alternate";
						var notification = game.addChild(new Notification("Enemy taking " + routeType + " route!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 100;
					}
				} else {
					enemy.currentTarget = cell.targets[0];
				}
			} else {
				enemy.currentTarget = cell.targets[0];
			}
		}
		if (enemy.currentTarget) {
			if (cell.score < enemy.currentTarget.score) {
				enemy.currentTarget = cell;
			}
			var ox = enemy.currentTarget.x - enemy.currentCellX;
			var oy = enemy.currentTarget.y - enemy.currentCellY;
			var dist = Math.sqrt(ox * ox + oy * oy);
			if (dist < enemy.speed) {
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
				enemy.currentTarget = undefined;
				return;
			}
			var angle = Math.atan2(oy, ox);
			enemy.currentCellX += Math.cos(angle) * enemy.speed;
			enemy.currentCellY += Math.sin(angle) * enemy.speed;
		}
		enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
		enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
	};
});
var Hero = Container.expand(function (heroType) {
	var self = Container.call(this);
	self.heroType = heroType || 'tank';
	self.level = storage['hero_' + heroType + '_level'] || 1;
	self.experience = storage['hero_' + heroType + '_xp'] || 0;
	self.maxHealth = 200;
	self.health = self.maxHealth;
	self.isDestroyed = false;
	self.movementSpeed = 1.5;
	self.abilities = [];
	self.currentTarget = null;
	self.lastAbilityUse = 0;
	self.abilityCooldown = 300; // 5 seconds at 60fps
	// Set hero-specific stats
	switch (self.heroType) {
		case 'tank':
			self.maxHealth = 300 + (self.level - 1) * 50;
			self.movementSpeed = 1.0;
			self.abilityCooldown = 600; // 10 seconds
			break;
		case 'support':
			self.maxHealth = 150 + (self.level - 1) * 30;
			self.movementSpeed = 2.0;
			self.abilityCooldown = 480; // 8 seconds
			break;
		case 'dps':
			self.maxHealth = 180 + (self.level - 1) * 35;
			self.movementSpeed = 1.8;
			self.abilityCooldown = 360; // 6 seconds
			break;
	}
	self.health = self.maxHealth;
	// Get appropriate asset
	var assetName = 'hero_' + self.heroType;
	var heroGraphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create health bar
	var healthBarOutline = self.attachAsset('heroHealthBarOutline', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBar = self.attachAsset('heroHealthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBarOutline.y = healthBar.y = -heroGraphics.height / 2 - 20;
	healthBarOutline.x = -healthBarOutline.width / 2;
	healthBar.x = -healthBar.width / 2;
	self.healthBar = healthBar;
	// Create XP bar
	var xpBarOutline = self.attachAsset('heroXpBarOutline', {
		anchorX: 0,
		anchorY: 0.5
	});
	var xpBar = self.attachAsset('heroXpBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	xpBarOutline.y = xpBar.y = -heroGraphics.height / 2 - 35;
	xpBarOutline.x = -xpBarOutline.width / 2;
	xpBar.x = -xpBar.width / 2;
	self.xpBar = xpBar;
	// Create ability icon
	var abilityIcon = self.attachAsset('heroAbilityIcon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	abilityIcon.y = heroGraphics.height / 2 + 20;
	self.abilityIcon = abilityIcon;
	// Level indicator
	var levelText = new Text2(self.level.toString(), {
		size: 40,
		fill: 0xFFFFFF,
		weight: 800
	});
	levelText.anchor.set(0.5, 0.5);
	levelText.y = heroGraphics.height / 2 + 20;
	levelText.x = 40;
	self.addChild(levelText);
	self.levelText = levelText;
	self.getExperienceForNextLevel = function () {
		return self.level * 100; // 100 XP per level
	};
	self.gainExperience = function (amount) {
		self.experience += amount;
		var xpNeeded = self.getExperienceForNextLevel();
		if (self.experience >= xpNeeded) {
			self.experience -= xpNeeded;
			self.level++;
			self.levelText.setText(self.level.toString());
			// Save progression
			storage['hero_' + self.heroType + '_level'] = self.level;
			// Level up effects
			self.onLevelUp();
			// Visual level up effect
			tween(heroGraphics, {
				scaleX: 1.3,
				scaleY: 1.3,
				tint: 0xFFD700
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(heroGraphics, {
						scaleX: 1.0,
						scaleY: 1.0,
						tint: 0xFFFFFF
					}, {
						duration: 300,
						easing: tween.easeIn
					});
				}
			});
		}
		// Save XP
		storage['hero_' + self.heroType + '_xp'] = self.experience;
		self.updateXpBar();
	};
	self.onLevelUp = function () {
		// Increase health
		var healthIncrease = self.heroType === 'tank' ? 50 : self.heroType === 'support' ? 30 : 35;
		self.maxHealth += healthIncrease;
		self.health = self.maxHealth; // Full heal on level up
		self.updateHealthBar();
	};
	self.updateHealthBar = function () {
		self.healthBar.width = self.health / self.maxHealth * 80;
	};
	self.updateXpBar = function () {
		var xpProgress = self.experience / self.getExperienceForNextLevel();
		self.xpBar.width = xpProgress * 80;
	};
	self.useAbility = function () {
		if (LK.ticks - self.lastAbilityUse < self.abilityCooldown) {
			return false; // Ability on cooldown
		}
		self.lastAbilityUse = LK.ticks;
		// Play hero ability sound
		LK.getSound('heroAbility').play();
		// Ability cooldown visual effect
		tween(self.abilityIcon, {
			tint: 0x888888,
			scaleX: 0.8,
			scaleY: 0.8
		}, {
			duration: self.abilityCooldown,
			easing: tween.linear,
			onFinish: function onFinish() {
				tween(self.abilityIcon, {
					tint: 0xFFD700,
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		});
		switch (self.heroType) {
			case 'tank':
				return self.tankAbility();
			case 'support':
				return self.supportAbility();
			case 'dps':
				return self.dpsAbility();
		}
		return false;
	};
	self.tankAbility = function () {
		// Taunt - Draw all enemies within range to attack hero
		var tauntRadius = CELL_SIZE * 4;
		var taunted = 0;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= tauntRadius) {
				enemy.heroTarget = self;
				enemy.heroTargetDuration = 300; // 5 seconds
				taunted++;
			}
		}
		// Visual effect
		var effectRadius = tauntRadius;
		var tauntEffect = new Container();
		tauntEffect.x = self.x;
		tauntEffect.y = self.y;
		var effectGraphics = tauntEffect.attachAsset('rangeCircle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		effectGraphics.width = effectGraphics.height = effectRadius * 2;
		effectGraphics.tint = 0x4CAF50;
		effectGraphics.alpha = 0.6;
		game.addChild(tauntEffect);
		tween(tauntEffect, {
			alpha: 0,
			scaleX: 1.5,
			scaleY: 1.5
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (tauntEffect.parent) {
					tauntEffect.parent.removeChild(tauntEffect);
				}
			}
		});
		return taunted > 0;
	};
	self.supportAbility = function () {
		// Buff nearby towers
		var buffRadius = CELL_SIZE * 3;
		var buffed = 0;
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			var dx = tower.x - self.x;
			var dy = tower.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= buffRadius) {
				tower.heroBuff = {
					damage: 1.5,
					fireRate: 0.7,
					duration: 600 // 10 seconds
				};
				buffed++;
				// Visual effect on tower
				tween(tower.children[0], {
					tint: 0x2196F3
				}, {
					duration: 600,
					easing: tween.linear,
					onFinish: function onFinish() {
						tower.children[0].tint = 0x445566;
					}
				});
			}
		}
		return buffed > 0;
	};
	self.dpsAbility = function () {
		// Area damage attack
		var damageRadius = CELL_SIZE * 2.5;
		var damaged = 0;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= damageRadius) {
				var damage = 100 + (self.level - 1) * 20;
				enemy.health -= damage;
				if (enemy.health <= 0) {
					enemy.health = 0;
				} else {
					enemy.healthBar.width = enemy.health / enemy.maxHealth * 70;
				}
				damaged++;
				// Visual damage effect
				tween(enemy, {
					tint: 0xFF5722
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(enemy, {
							tint: 0xFFFFFF
						}, {
							duration: 200,
							easing: tween.easeIn
						});
					}
				});
			}
		}
		// Visual explosion effect
		var explosionEffect = new Container();
		explosionEffect.x = self.x;
		explosionEffect.y = self.y;
		var effectGraphics = explosionEffect.attachAsset('rangeCircle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		effectGraphics.width = effectGraphics.height = damageRadius * 2;
		effectGraphics.tint = 0xFF5722;
		effectGraphics.alpha = 0.8;
		game.addChild(explosionEffect);
		tween(explosionEffect, {
			alpha: 0,
			scaleX: 2,
			scaleY: 2
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (explosionEffect.parent) {
					explosionEffect.parent.removeChild(explosionEffect);
				}
			}
		});
		return damaged > 0;
	};
	self.update = function () {
		if (self.health <= 0) {
			return;
		}
		// Update bars
		self.updateHealthBar();
		self.updateXpBar();
		// Move towards enemies or patrol
		if (!self.currentTarget) {
			self.findTarget();
		}
		if (self.currentTarget && self.currentTarget.parent && self.currentTarget.health > 0) {
			var dx = self.currentTarget.x - self.x;
			var dy = self.currentTarget.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > CELL_SIZE * 0.8) {
				// Move towards target
				var angle = Math.atan2(dy, dx);
				self.x += Math.cos(angle) * self.movementSpeed;
				self.y += Math.sin(angle) * self.movementSpeed;
			} else {
				// Attack target
				if (self.heroType === 'tank') {
					self.currentTarget.health -= 15;
				} else if (self.heroType === 'dps') {
					self.currentTarget.health -= 25;
				} else {
					self.currentTarget.health -= 10;
				}
				if (self.currentTarget.health <= 0) {
					self.currentTarget.health = 0;
					self.gainExperience(20);
					self.currentTarget = null;
				} else {
					self.currentTarget.healthBar.width = self.currentTarget.health / self.currentTarget.maxHealth * 70;
				}
			}
		} else {
			self.currentTarget = null;
		}
	};
	self.findTarget = function () {
		var closestEnemy = null;
		var closestDistance = Infinity;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			if (enemy.health <= 0) continue;
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < closestDistance && distance < CELL_SIZE * 5) {
				closestDistance = distance;
				closestEnemy = enemy;
			}
		}
		self.currentTarget = closestEnemy;
	};
	self.down = function (x, y, obj) {
		// Use ability when tapped
		if (self.useAbility()) {
			var notification = game.addChild(new Notification("Hero ability activated!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 100;
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) {
			return;
		}
		self.isDestroyed = true;
		tween.stop(self);
		for (var i = 0; i < self.children.length; i++) {
			if (self.children[i]) {
				tween.stop(self.children[i]);
			}
		}
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var NebulaCloud = Container.expand(function (x, y) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	self.radius = 100;
	self.isDestroyed = false;
	var nebulaGraphics = self.attachAsset('nebulaCloud', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	nebulaGraphics.alpha = 0.6;
	// Pulsing animation
	tween(nebulaGraphics, {
		scaleX: 1.2,
		scaleY: 1.2,
		alpha: 0.8
	}, {
		duration: 2000,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			if (!self.isDestroyed) {
				tween(nebulaGraphics, {
					scaleX: 1.0,
					scaleY: 1.0,
					alpha: 0.6
				}, {
					duration: 2000,
					easing: tween.easeInOut
				});
			}
		}
	});
	self.update = function () {
		// Apply effects to units within the nebula
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.radius) {
				// Slow effect
				if (!enemy.nebulaSlowed) {
					enemy.originalSpeed = enemy.originalSpeed || enemy.speed;
					enemy.speed *= 0.7; // 30% speed reduction
					enemy.nebulaSlowed = true;
				}
				// Stealth effect - harder for towers to target
				enemy.nebulaStealthed = true;
			} else {
				// Remove effects when outside nebula
				if (enemy.nebulaSlowed) {
					enemy.speed = enemy.originalSpeed || enemy.speed;
					enemy.nebulaSlowed = false;
				}
				enemy.nebulaStealthed = false;
			}
		}
		// Apply slow effect to heroes
		for (var i = 0; i < heroes.length; i++) {
			var hero = heroes[i];
			var dx = hero.x - self.x;
			var dy = hero.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.radius) {
				if (!hero.nebulaSlowed) {
					hero.originalMovementSpeed = hero.originalMovementSpeed || hero.movementSpeed;
					hero.movementSpeed *= 0.7;
					hero.nebulaSlowed = true;
				}
			} else {
				if (hero.nebulaSlowed) {
					hero.movementSpeed = hero.originalMovementSpeed || hero.movementSpeed;
					hero.nebulaSlowed = false;
				}
			}
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		// Remove effects from all units
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			if (enemy.nebulaSlowed) {
				enemy.speed = enemy.originalSpeed || enemy.speed;
				enemy.nebulaSlowed = false;
			}
			enemy.nebulaStealthed = false;
		}
		for (var i = 0; i < heroes.length; i++) {
			var hero = heroes[i];
			if (hero.nebulaSlowed) {
				hero.movementSpeed = hero.originalMovementSpeed || hero.movementSpeed;
				hero.nebulaSlowed = false;
			}
		}
		var nebulaIndex = nebulaClouds.indexOf(self);
		if (nebulaIndex !== -1) {
			nebulaClouds.splice(nebulaIndex, 1);
		}
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var NextWaveButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	buttonBackground.width = 300;
	buttonBackground.height = 100;
	buttonBackground.tint = 0x0088FF;
	var buttonText = new Text2("Next Wave", {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	buttonText.anchor.set(0.5, 0.5);
	self.addChild(buttonText);
	self.enabled = false;
	self.visible = false;
	self.update = function () {
		if (waveIndicator && waveIndicator.gameStarted && currentWave < totalWaves) {
			self.enabled = true;
			self.visible = true;
			buttonBackground.tint = 0x0088FF;
			self.alpha = 1;
		} else {
			self.enabled = false;
			self.visible = false;
			buttonBackground.tint = 0x888888;
			self.alpha = 0.7;
		}
	};
	self.down = function () {
		if (!self.enabled) {
			return;
		}
		if (waveIndicator.gameStarted && currentWave < totalWaves) {
			currentWave++; // Increment to the next wave directly
			waveTimer = 0; // Reset wave timer
			waveInProgress = true;
			waveSpawned = false;
			// Get the type of the current wave (which is now the next wave)
			var waveType = waveIndicator.getWaveTypeName(currentWave);
			var enemyCount = waveIndicator.getEnemyCount(currentWave);
			var notification = game.addChild(new Notification("Wave " + currentWave + " (" + waveType + " - " + enemyCount + " enemies) activated!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 150;
		}
	};
	return self;
});
var Notification = Container.expand(function (message) {
	var self = Container.call(this);
	var notificationGraphics = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var notificationText = new Text2(message, {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	notificationText.anchor.set(0.5, 0.5);
	notificationGraphics.width = notificationText.width + 60;
	notificationGraphics.height = 80;
	notificationGraphics.tint = 0x1A1A1A;
	notificationGraphics.alpha = 0.95;
	self.addChild(notificationText);
	self.alpha = 1;
	var fadeOutTime = 120;
	self.update = function () {
		if (fadeOutTime > 0) {
			fadeOutTime--;
			self.alpha = Math.min(fadeOutTime / 120 * 2, 1);
		} else {
			self.destroy();
		}
	};
	return self;
});
var PathJunction = Container.expand(function (x, y, branches) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	self.branches = branches || []; // Array of possible path directions
	self.gridX = Math.floor((x - grid.x) / CELL_SIZE);
	self.gridY = Math.floor((y - grid.y) / CELL_SIZE);
	self.isDestroyed = false;
	// Visual junction indicator
	var junctionGraphics = self.attachAsset('teleportEffect', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	junctionGraphics.width = CELL_SIZE * 0.8;
	junctionGraphics.height = CELL_SIZE * 0.8;
	junctionGraphics.tint = 0x9c27b0;
	junctionGraphics.alpha = 0.6;
	// Pulsing animation to indicate junction
	tween(junctionGraphics, {
		scaleX: 1.2,
		scaleY: 1.2,
		alpha: 0.8
	}, {
		duration: 1500,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			if (!self.isDestroyed) {
				tween(junctionGraphics, {
					scaleX: 1.0,
					scaleY: 1.0,
					alpha: 0.6
				}, {
					duration: 1500,
					easing: tween.easeInOut
				});
			}
		}
	});
	// Choose path for enemy based on various factors
	self.choosePath = function (enemy) {
		if (self.branches.length === 0) return null;
		var pathScores = [];
		// Evaluate each branch
		for (var i = 0; i < self.branches.length; i++) {
			var branch = self.branches[i];
			var score = 0;
			// Base score - some randomness for variety
			score += Math.random() * 100;
			// Factor in enemy type preferences
			switch (enemy.type) {
				case 'fast':
					// Fast enemies prefer shorter paths
					score += branch.isShortPath ? 150 : 50;
					break;
				case 'immune':
					// Immune enemies prefer heavily defended paths (they can tank it)
					score += branch.towerDensity * 80;
					break;
				case 'flying':
					// Flying enemies prefer paths with fewer anti-air towers
					score += branch.hasAntiAir ? 20 : 120;
					break;
				case 'swarm':
					// Swarm enemies prefer paths other swarm enemies haven't taken recently
					score += branch.recentSwarmTraffic > 3 ? 30 : 100;
					break;
				default:
					// Normal enemies prefer balanced paths
					score += branch.difficulty < 50 ? 80 : 60;
					break;
			}
			// Factor in current congestion (avoid clustering)
			var congestionPenalty = branch.currentEnemyCount * 25;
			score -= congestionPenalty;
			// Factor in tower coverage (enemies avoid heavy defenses unless immune)
			if (!enemy.isImmune) {
				score -= branch.towerDensity * 40;
			}
			// Factor in path length (generally prefer shorter paths)
			score -= branch.pathLength * 2;
			pathScores.push({
				branch: branch,
				score: score
			});
		}
		// Sort by score and add some weighted randomness
		pathScores.sort(function (a, b) {
			return b.score - a.score;
		});
		// Weighted selection - higher scores more likely but not guaranteed
		var totalWeight = 0;
		for (var i = 0; i < pathScores.length; i++) {
			var weight = Math.max(1, pathScores[i].score);
			pathScores[i].weight = weight;
			totalWeight += weight;
		}
		var randomValue = Math.random() * totalWeight;
		var currentWeight = 0;
		for (var i = 0; i < pathScores.length; i++) {
			currentWeight += pathScores[i].weight;
			if (randomValue <= currentWeight) {
				return pathScores[i].branch;
			}
		}
		// Fallback to first option
		return pathScores[0].branch;
	};
	// Update junction statistics
	self.update = function () {
		// Update branch statistics
		for (var i = 0; i < self.branches.length; i++) {
			var branch = self.branches[i];
			// Count enemies currently on this branch
			branch.currentEnemyCount = 0;
			branch.recentSwarmTraffic = Math.max(0, branch.recentSwarmTraffic - 0.1);
			for (var j = 0; j < enemies.length; j++) {
				var enemy = enemies[j];
				if (enemy.chosenBranch === branch) {
					branch.currentEnemyCount++;
					if (enemy.type === 'swarm') {
						branch.recentSwarmTraffic += 0.1;
					}
				}
			}
			// Calculate tower density in branch area
			branch.towerDensity = 0;
			branch.hasAntiAir = false;
			for (var t = 0; t < towers.length; t++) {
				var tower = towers[t];
				var dx = tower.x - (grid.x + branch.targetX * CELL_SIZE);
				var dy = tower.y - (grid.y + branch.targetY * CELL_SIZE);
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= CELL_SIZE * 4) {
					branch.towerDensity++;
					if (tower.id === 'sniper' || tower.id === 'rapid') {
						branch.hasAntiAir = true;
					}
				}
			}
			// Update path difficulty
			branch.difficulty = branch.towerDensity * 10 + branch.pathLength;
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		var junctionIndex = pathJunctions.indexOf(self);
		if (junctionIndex !== -1) {
			pathJunctions.splice(junctionIndex, 1);
		}
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var RouteVisualizer = Container.expand(function () {
	var self = Container.call(this);
	self.pathLines = [];
	self.isDestroyed = false;
	self.showPaths = function (junction, enemy) {
		// Clear existing path lines
		self.clearPaths();
		// Create visual lines for each possible branch
		for (var i = 0; i < junction.branches.length; i++) {
			var branch = junction.branches[i];
			var pathLine = new Container();
			// Create line segments to show the path
			var segments = [];
			var currentX = junction.gridX;
			var currentY = junction.gridY;
			// Draw path to target
			var targetX = branch.targetX;
			var targetY = branch.targetY;
			var steps = Math.max(Math.abs(targetX - currentX), Math.abs(targetY - currentY));
			for (var step = 0; step <= steps; step++) {
				var progress = step / steps;
				var segmentX = Math.round(currentX + (targetX - currentX) * progress);
				var segmentY = Math.round(currentY + (targetY - currentY) * progress);
				var segment = pathLine.attachAsset('towerLevelIndicator', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				segment.width = 12;
				segment.height = 12;
				segment.x = grid.x + segmentX * CELL_SIZE;
				segment.y = grid.y + segmentY * CELL_SIZE;
				// Color code based on path difficulty
				var difficulty = branch.difficulty || 0;
				if (difficulty < 30) {
					segment.tint = 0x00FF00; // Green for easy
				} else if (difficulty < 60) {
					segment.tint = 0xFFFF00; // Yellow for medium
				} else {
					segment.tint = 0xFF0000; // Red for hard
				}
				segment.alpha = 0.7;
			}
			game.addChild(pathLine);
			self.pathLines.push(pathLine);
			// Animate the path appearance
			tween(pathLine, {
				alpha: 1.0
			}, {
				duration: 500,
				easing: tween.easeOut
			});
		}
		// Auto-hide after a few seconds
		LK.setTimeout(function () {
			self.clearPaths();
		}, 3000);
	};
	self.clearPaths = function () {
		for (var i = 0; i < self.pathLines.length; i++) {
			if (self.pathLines[i].parent) {
				self.pathLines[i].parent.removeChild(self.pathLines[i]);
			}
		}
		self.pathLines = [];
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		self.clearPaths();
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var SolarFlare = Container.expand(function () {
	var self = Container.call(this);
	self.duration = 600; // 10 seconds at 60fps
	self.remainingTime = self.duration;
	self.isActive = true;
	self.isDestroyed = false;
	// Position in center of battlefield
	self.x = grid.x + 12 * CELL_SIZE;
	self.y = grid.y + 15 * CELL_SIZE;
	var flareGraphics = self.attachAsset('solarFlare', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	flareGraphics.alpha = 0.8;
	flareGraphics.blendMode = 1; // Additive blending
	// Intense pulsing animation
	tween(flareGraphics, {
		scaleX: 1.5,
		scaleY: 1.5,
		alpha: 1.0
	}, {
		duration: 300,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			if (!self.isDestroyed) {
				tween(flareGraphics, {
					scaleX: 1.2,
					scaleY: 1.2,
					alpha: 0.8
				}, {
					duration: 300,
					easing: tween.easeInOut
				});
			}
		}
	});
	// Show notification
	var notification = game.addChild(new Notification("⚡ Solar Flare! Energy towers boosted! ⚡"));
	notification.x = 2048 / 2;
	notification.y = grid.height - 100;
	self.update = function () {
		self.remainingTime--;
		if (self.remainingTime <= 0) {
			self.destroy();
			return;
		}
		// Boost energy-based towers (rapid, sniper, default)
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			if (tower.id === 'rapid' || tower.id === 'sniper' || tower.id === 'default') {
				if (!tower.solarFlareBoost) {
					tower.originalFireRate = tower.fireRate;
					tower.originalDamage = tower.damage;
					tower.fireRate = Math.floor(tower.fireRate * 0.6); // 40% faster
					tower.damage = Math.floor(tower.damage * 1.3); // 30% more damage
					tower.solarFlareBoost = true;
					// Visual effect on boosted towers
					tween(tower.energyCore, {
						tint: 0xFFD700,
						scaleX: 1.3,
						scaleY: 1.3
					}, {
						duration: 200,
						easing: tween.easeOut
					});
				}
			}
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		// Remove boosts from all towers
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			if (tower.solarFlareBoost) {
				tower.fireRate = tower.originalFireRate;
				tower.damage = tower.originalDamage;
				tower.solarFlareBoost = false;
				// Reset visual effects
				var originalTint = 0x88AACC;
				switch (tower.id) {
					case 'rapid':
						originalTint = 0x00AAFF;
						break;
					case 'sniper':
						originalTint = 0xFF5500;
						break;
					case 'default':
						originalTint = 0x88AACC;
						break;
				}
				tween(tower.energyCore, {
					tint: originalTint,
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 300,
					easing: tween.easeIn
				});
			}
		}
		var flareIndex = solarFlares.indexOf(self);
		if (flareIndex !== -1) {
			solarFlares.splice(flareIndex, 1);
		}
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var SourceTower = Container.expand(function (towerType) {
	var self = Container.call(this);
	self.towerType = towerType || 'default';
	// Increase size of base for easier touch
	var baseGraphics = self.attachAsset('tower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.3,
		scaleY: 1.3
	});
	switch (self.towerType) {
		case 'rapid':
			baseGraphics.tint = 0x00AAFF;
			break;
		case 'sniper':
			baseGraphics.tint = 0xFF5500;
			break;
		case 'splash':
			baseGraphics.tint = 0x33CC00;
			break;
		case 'slow':
			baseGraphics.tint = 0x9900FF;
			break;
		case 'poison':
			baseGraphics.tint = 0x00FFAA;
			break;
		default:
			baseGraphics.tint = 0xAAAAAA;
	}
	var towerCost = getTowerCost(self.towerType);
	// Add shadow for tower type label
	var typeLabelShadow = new Text2(self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1), {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	typeLabelShadow.anchor.set(0.5, 0.5);
	typeLabelShadow.x = 4;
	typeLabelShadow.y = -20 + 4;
	self.addChild(typeLabelShadow);
	// Add tower type label
	var typeLabel = new Text2(self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1), {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	typeLabel.anchor.set(0.5, 0.5);
	typeLabel.y = -20; // Position above center of tower
	self.addChild(typeLabel);
	// Add cost shadow
	var costLabelShadow = new Text2(towerCost, {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	costLabelShadow.anchor.set(0.5, 0.5);
	costLabelShadow.x = 4;
	costLabelShadow.y = 24 + 12;
	self.addChild(costLabelShadow);
	// Add cost label
	var costLabel = new Text2(towerCost, {
		size: 50,
		fill: 0xFFD700,
		weight: 800
	});
	costLabel.anchor.set(0.5, 0.5);
	costLabel.y = 20 + 12;
	self.addChild(costLabel);
	self.update = function () {
		// Check if player can afford this tower
		var canAfford = gold >= getTowerCost(self.towerType);
		// Set opacity based on affordability
		self.alpha = canAfford ? 1 : 0.5;
	};
	return self;
});
var SpecializationMenu = Container.expand(function (tower) {
	var self = Container.call(this);
	self.tower = tower;
	self.y = 2732 + 300;
	var menuBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBackground.width = 1800;
	menuBackground.height = 600;
	menuBackground.tint = 0x1A1A1A;
	menuBackground.alpha = 0.98;
	var titleText = new Text2('Choose Specialization Path', {
		size: 80,
		fill: 0xFFFFFF,
		weight: 800
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.y = -200;
	self.addChild(titleText);
	var subtitleText = new Text2('Your tower has reached level 3 and can specialize!', {
		size: 50,
		fill: 0xCCCCCC,
		weight: 400
	});
	subtitleText.anchor.set(0.5, 0.5);
	subtitleText.y = -140;
	self.addChild(subtitleText);
	// Create specialization options based on tower type
	var options = [];
	if (self.tower.id === 'sniper') {
		options = [{
			type: 'antiarmor',
			name: 'Anti-Armor',
			desc: 'Pierce shields\n+50% damage vs immune',
			color: 0xFF6600
		}, {
			type: 'longrange',
			name: 'Long-Range',
			desc: 'Double firing range\nBetter enemy targeting',
			color: 0x00AAFF
		}];
	} else if (self.tower.id === 'splash') {
		options = [{
			type: 'nuclear',
			name: 'Nuclear',
			desc: 'Huge damage\nLarger splash radius',
			color: 0xFF0000
		}, {
			type: 'chainreaction',
			name: 'Chain Reaction',
			desc: 'Damage spreads\nbetween enemies',
			color: 0xFFFF00
		}];
	}
	// Create option buttons
	for (var i = 0; i < options.length; i++) {
		var option = options[i];
		var button = new Container();
		var buttonBg = button.attachAsset('notification', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		buttonBg.width = 700;
		buttonBg.height = 200;
		buttonBg.tint = option.color;
		buttonBg.alpha = 0.8;
		var nameText = new Text2(option.name, {
			size: 70,
			fill: 0xFFFFFF,
			weight: 800
		});
		nameText.anchor.set(0.5, 0.5);
		nameText.y = -40;
		button.addChild(nameText);
		var descText = new Text2(option.desc, {
			size: 45,
			fill: 0xFFFFFF,
			weight: 400
		});
		descText.anchor.set(0.5, 0.5);
		descText.y = 40;
		button.addChild(descText);
		button.x = (i - 0.5) * 800;
		button.y = 50;
		button.optionType = option.type;
		button.down = function () {
			self.selectSpecialization(this.optionType);
		};
		self.addChild(button);
	}
	// Close button
	var closeButton = new Container();
	var closeBg = closeButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeBg.width = 100;
	closeBg.height = 100;
	closeBg.tint = 0xAA0000;
	var closeText = new Text2('X', {
		size: 80,
		fill: 0xFFFFFF,
		weight: 800
	});
	closeText.anchor.set(0.5, 0.5);
	closeButton.addChild(closeText);
	closeButton.x = 850;
	closeButton.y = -250;
	closeButton.down = function () {
		self.destroy();
	};
	self.addChild(closeButton);
	self.selectSpecialization = function (branchType) {
		// Apply specialization to tower
		var specialization = new TowerSpecialization(self.tower, branchType);
		self.tower.specialization = specialization;
		self.tower.addChild(specialization);
		specialization.applySpecialization();
		var notification = game.addChild(new Notification("Tower specialized: " + branchType));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		self.destroy();
	};
	return self;
});
var StationCustomizer = Container.expand(function () {
	var self = Container.call(this);
	self.modules = [];
	self.moduleSlots = [];
	self.selectedSlot = null;
	self.customizationMode = false;
	// Create module slots around the station
	var slotPositions = [{
		x: -2,
		y: -2
	}, {
		x: 0,
		y: -2
	}, {
		x: 2,
		y: -2
	}, {
		x: -2,
		y: 0
	}, {
		x: 2,
		y: 0
	}, {
		x: -2,
		y: 2
	}, {
		x: 0,
		y: 2
	}, {
		x: 2,
		y: 2
	}];
	for (var i = 0; i < slotPositions.length; i++) {
		var slot = new Container();
		var slotGraphics = slot.attachAsset('moduleSocket', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		slotGraphics.alpha = 0.5;
		slotGraphics.tint = 0x556677;
		slot.gridX = slotPositions[i].x;
		slot.gridY = slotPositions[i].y;
		slot.x = grid.x + (12 + slot.gridX) * CELL_SIZE;
		slot.y = grid.y + (15 + slot.gridY) * CELL_SIZE;
		slot.module = null;
		slot.slotIndex = i;
		slot.down = function () {
			if (self.customizationMode) {
				self.selectedSlot = this;
				self.showModuleMenu();
			}
		};
		self.addChild(slot);
		self.moduleSlots.push(slot);
	}
	self.showModuleMenu = function () {
		if (!self.selectedSlot) return;
		var menu = new Container();
		var menuBg = menu.attachAsset('notification', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		menuBg.width = 600;
		menuBg.height = 300;
		menuBg.tint = 0x333333;
		var moduleTypes = ['research', 'shield', 'teleporter'];
		for (var i = 0; i < moduleTypes.length; i++) {
			var button = new Container();
			var buttonBg = button.attachAsset('techTreeNode', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			buttonBg.width = 120;
			buttonBg.height = 80;
			var cost = getModuleCost(moduleTypes[i], 1);
			var buttonText = new Text2(moduleTypes[i] + '\n' + cost + 'g', {
				size: 30,
				fill: 0xFFFFFF,
				weight: 600
			});
			buttonText.anchor.set(0.5, 0.5);
			button.addChild(buttonText);
			button.moduleType = moduleTypes[i];
			button.x = -180 + i * 180;
			button.y = 50;
			button.down = function () {
				self.buildModule(this.moduleType);
				menu.destroy();
			};
			menu.addChild(button);
		}
		menu.x = 2048 / 2;
		menu.y = 1400;
		game.addChild(menu);
		LK.setTimeout(function () {
			if (menu.parent) {
				menu.parent.removeChild(menu);
			}
		}, 5000);
	};
	self.buildModule = function (moduleType) {
		if (!self.selectedSlot || self.selectedSlot.module) return;
		var cost = getModuleCost(moduleType, 1);
		if (gold < cost) {
			var notification = game.addChild(new Notification("Not enough gold!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			return;
		}
		var module;
		switch (moduleType) {
			case 'research':
				module = new ResearchLab();
				break;
			case 'shield':
				module = new ShieldGenerator();
				break;
			case 'teleporter':
				module = new TeleporterNode();
				break;
			default:
				module = new StationModule(moduleType);
		}
		module.gridX = self.selectedSlot.gridX;
		module.gridY = self.selectedSlot.gridY;
		module.x = self.selectedSlot.x;
		module.y = self.selectedSlot.y;
		self.selectedSlot.module = module;
		self.selectedSlot.children[0].alpha = 0; // Hide slot graphic
		self.addChild(module);
		self.modules.push(module);
		setGold(gold - cost);
		var notification = game.addChild(new Notification(moduleType + " module built!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		self.selectedSlot = null;
	};
	self.toggleCustomizationMode = function () {
		self.customizationMode = !self.customizationMode;
		for (var i = 0; i < self.moduleSlots.length; i++) {
			var slot = self.moduleSlots[i];
			if (!slot.module) {
				slot.children[0].alpha = self.customizationMode ? 0.8 : 0.3;
			}
		}
		var modeText = self.customizationMode ? "ON" : "OFF";
		var notification = game.addChild(new Notification("Customization mode: " + modeText));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
	};
	self.update = function () {
		for (var i = 0; i < self.modules.length; i++) {
			if (self.modules[i].update) {
				self.modules[i].update();
			}
		}
	};
	return self;
});
var StationModule = Container.expand(function (moduleType) {
	var self = Container.call(this);
	self.moduleType = moduleType || 'basic';
	self.level = 1;
	self.maxLevel = 3;
	self.isActive = true;
	self.gridX = 0;
	self.gridY = 0;
	self.isDestroyed = false;
	// Get appropriate asset
	var assetName = 'stationModule';
	switch (moduleType) {
		case 'research':
			assetName = 'researchLab';
			break;
		case 'shield':
			assetName = 'shieldGenerator';
			break;
		case 'teleporter':
			assetName = 'teleporter';
			break;
	}
	var moduleGraphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add energy core
	var energyCore = self.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	energyCore.width = 30;
	energyCore.height = 30;
	energyCore.tint = 0x00aaff;
	// Level indicators
	var levelIndicators = [];
	for (var i = 0; i < self.maxLevel; i++) {
		var indicator = self.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		indicator.width = 12;
		indicator.height = 12;
		indicator.x = -30 + i * 30;
		indicator.y = 60;
		indicator.tint = i < self.level ? 0xffffff : 0x444444;
		levelIndicators.push(indicator);
	}
	self.updateLevelIndicators = function () {
		for (var i = 0; i < levelIndicators.length; i++) {
			levelIndicators[i].tint = i < self.level ? 0xffffff : 0x444444;
		}
	};
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			var upgradeCost = getModuleCost(self.moduleType, self.level + 1);
			if (gold >= upgradeCost) {
				setGold(gold - upgradeCost);
				self.level++;
				self.updateLevelIndicators();
				self.onUpgrade();
				return true;
			}
		}
		return false;
	};
	self.onUpgrade = function () {
		// Override in specific module types
	};
	self.update = function () {
		if (!self.isActive) return;
		// Pulsing energy core
		if (LK.ticks % 120 === 0) {
			tween(energyCore, {
				scaleX: 1.3,
				scaleY: 1.3,
				alpha: 0.7
			}, {
				duration: 300,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(energyCore, {
						scaleX: 1.0,
						scaleY: 1.0,
						alpha: 1.0
					}, {
						duration: 300,
						easing: tween.easeInOut
					});
				}
			});
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var TeleporterNode = StationModule.expand(function () {
	var self = StationModule.call(this, 'teleporter');
	self.teleportEnergy = 100;
	self.maxTeleportEnergy = 100;
	self.linkedNodes = [];
	self.onUpgrade = function () {
		self.maxTeleportEnergy = 100 + (self.level - 1) * 25;
		self.teleportEnergy = self.maxTeleportEnergy;
	};
	self.teleportHero = function (hero, targetNode) {
		if (self.teleportEnergy >= 30 && targetNode && targetNode.teleportEnergy >= 30) {
			// Create teleport effect at source
			var sourceEffect = new Container();
			sourceEffect.x = self.x;
			sourceEffect.y = self.y;
			var sourceGraphics = sourceEffect.attachAsset('teleportEffect', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			sourceGraphics.tint = 0x9c27b0;
			sourceGraphics.alpha = 0.8;
			game.addChild(sourceEffect);
			// Create teleport effect at destination
			var destEffect = new Container();
			destEffect.x = targetNode.x;
			destEffect.y = targetNode.y;
			var destGraphics = destEffect.attachAsset('teleportEffect', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			destGraphics.tint = 0x9c27b0;
			destGraphics.alpha = 0.8;
			game.addChild(destEffect);
			// Animate effects
			tween(sourceEffect, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0
			}, {
				duration: 500,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					if (sourceEffect.parent) {
						sourceEffect.parent.removeChild(sourceEffect);
					}
				}
			});
			tween(destEffect, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0
			}, {
				duration: 500,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					if (destEffect.parent) {
						destEffect.parent.removeChild(destEffect);
					}
				}
			});
			// Teleport hero
			hero.x = targetNode.x;
			hero.y = targetNode.y;
			// Consume energy
			self.teleportEnergy = Math.max(0, self.teleportEnergy - 30);
			targetNode.teleportEnergy = Math.max(0, targetNode.teleportEnergy - 30);
			return true;
		}
		return false;
	};
	self.redirectEnemyPath = function () {
		if (self.teleportEnergy >= 50 && self.linkedNodes.length > 0) {
			var targetNode = self.linkedNodes[Math.floor(Math.random() * self.linkedNodes.length)];
			// Find nearby enemies and redirect one
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				if (!enemy.isFlying) {
					var dx = enemy.x - self.x;
					var dy = enemy.y - self.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance <= CELL_SIZE * 2) {
						// Teleport enemy
						enemy.x = targetNode.x;
						enemy.y = targetNode.y;
						enemy.currentCellX = targetNode.gridX;
						enemy.currentCellY = targetNode.gridY;
						enemy.currentTarget = null;
						self.teleportEnergy = Math.max(0, self.teleportEnergy - 50);
						var notification = game.addChild(new Notification("Enemy redirected through teleporter!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 50;
						break;
					}
				}
			}
		}
	};
	self.update = function () {
		StationModule.prototype.update.call(self);
		// Regenerate teleport energy
		if (LK.ticks % 120 === 0 && self.teleportEnergy < self.maxTeleportEnergy) {
			// Every 2 seconds
			self.teleportEnergy = Math.min(self.maxTeleportEnergy, self.teleportEnergy + self.level * 3);
		}
	};
	self.down = function () {
		self.redirectEnemyPath();
	};
	return self;
});
var ShieldGenerator = StationModule.expand(function () {
	var self = StationModule.call(this, 'shield');
	self.shieldEnergy = 100;
	self.maxShieldEnergy = 100;
	self.shieldActive = false;
	self.shieldEffect = null;
	self.onUpgrade = function () {
		self.maxShieldEnergy = 100 + (self.level - 1) * 50;
		self.shieldEnergy = self.maxShieldEnergy;
	};
	self.activateShield = function () {
		if (self.shieldEnergy >= 50 && !self.shieldActive) {
			self.shieldActive = true;
			self.shieldEnergy = Math.max(0, self.shieldEnergy - 50);
			// Create visual shield effect
			self.shieldEffect = new Container();
			self.shieldEffect.x = self.x;
			self.shieldEffect.y = self.y;
			var shieldGraphics = self.shieldEffect.attachAsset('shieldEffect', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			shieldGraphics.alpha = 0.3;
			shieldGraphics.tint = 0x00ffff;
			game.addChild(self.shieldEffect);
			// Shield lasts for 10 seconds
			LK.setTimeout(function () {
				self.deactivateShield();
			}, 10000);
			var notification = game.addChild(new Notification("Station shields activated!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		}
	};
	self.deactivateShield = function () {
		self.shieldActive = false;
		if (self.shieldEffect && self.shieldEffect.parent) {
			self.shieldEffect.parent.removeChild(self.shieldEffect);
			self.shieldEffect = null;
		}
	};
	self.update = function () {
		StationModule.prototype.update.call(self);
		// Regenerate shield energy
		if (LK.ticks % 180 === 0 && self.shieldEnergy < self.maxShieldEnergy) {
			// Every 3 seconds
			self.shieldEnergy = Math.min(self.maxShieldEnergy, self.shieldEnergy + self.level * 5);
		}
		// Update shield effect position
		if (self.shieldEffect) {
			self.shieldEffect.x = self.x;
			self.shieldEffect.y = self.y;
		}
	};
	self.down = function () {
		self.activateShield();
	};
	return self;
});
var ResearchLab = StationModule.expand(function () {
	var self = StationModule.call(this, 'research');
	self.researchPoints = 0;
	self.activeResearch = null;
	self.completedTechs = [];
	self.onUpgrade = function () {
		// Higher level labs generate research points faster
		self.researchPointsPerTick = self.level;
	};
	self.update = function () {
		StationModule.prototype.update.call(self);
		// Generate research points
		if (LK.ticks % 60 === 0) {
			// Every second
			self.researchPoints += self.level;
			storage.researchPoints = self.researchPoints;
		}
		// Complete active research
		if (self.activeResearch && self.researchPoints >= self.activeResearch.cost) {
			self.completeResearch();
		}
	};
	self.startResearch = function (techId) {
		var tech = getTechnology(techId);
		if (tech && !self.activeResearch) {
			self.activeResearch = tech;
			var notification = game.addChild(new Notification("Research started: " + tech.name));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		}
	};
	self.completeResearch = function () {
		if (self.activeResearch) {
			self.researchPoints -= self.activeResearch.cost;
			self.completedTechs.push(self.activeResearch.id);
			storage.completedTechs = self.completedTechs;
			// Apply research benefits
			self.activeResearch.onComplete();
			var notification = game.addChild(new Notification("Research complete: " + self.activeResearch.name + "!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			self.activeResearch = null;
		}
	};
	return self;
});
var Tower = Container.expand(function (id) {
	var self = Container.call(this);
	self.id = id || 'default';
	self.level = 1;
	self.maxLevel = 6;
	self.gridX = 0;
	self.gridY = 0;
	self.range = 3 * CELL_SIZE;
	// Standardized method to get the current range of the tower
	self.getRange = function () {
		// Always calculate range based on tower type and level
		var baseRange;
		switch (self.id) {
			case 'sniper':
				// Sniper: base 5, +0.8 per level, but final upgrade gets a huge boost
				if (self.level === self.maxLevel) {
					baseRange = 12 * CELL_SIZE; // Significantly increased range for max level
				} else {
					baseRange = (5 + (self.level - 1) * 0.8) * CELL_SIZE;
				}
				break;
			case 'splash':
				// Splash: base 2, +0.2 per level (max ~4 blocks at max level)
				return (2 + (self.level - 1) * 0.2) * CELL_SIZE;
			case 'rapid':
				// Rapid: base 2.5, +0.5 per level
				return (2.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'slow':
				// Slow: base 3.5, +0.5 per level
				return (3.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'poison':
				// Poison: base 3.2, +0.5 per level
				return (3.2 + (self.level - 1) * 0.5) * CELL_SIZE;
			default:
				// Default: base 3, +0.5 per level
				baseRange = (3 + (self.level - 1) * 0.5) * CELL_SIZE;
		}
		// Apply specialization range multiplier
		if (self.specialization && self.specialization.branchType === 'longrange') {
			baseRange *= 2.0;
		}
		return baseRange;
	};
	self.cellsInRange = [];
	self.fireRate = 60;
	self.bulletSpeed = 5;
	self.damage = 10;
	self.lastFired = 0;
	self.targetEnemy = null;
	switch (self.id) {
		case 'rapid':
			self.fireRate = 35; // Slightly slower to reduce overwhelming power
			self.damage = 8; // Increased from 5 for better effectiveness
			self.range = 2.8 * CELL_SIZE; // Slightly better range
			self.bulletSpeed = 7;
			break;
		case 'sniper':
			self.fireRate = 100; // Slower but more impactful
			self.damage = 40; // Increased significantly for true sniper feel
			self.range = 5 * CELL_SIZE;
			self.bulletSpeed = 25;
			break;
		case 'splash':
			self.fireRate = 80; // Slightly slower
			self.damage = 18; // Increased base damage
			self.range = 2.2 * CELL_SIZE; // Slightly better range
			self.bulletSpeed = 4;
			break;
		case 'slow':
			self.fireRate = 45; // Faster to apply slow effects more consistently
			self.damage = 12; // Increased from 8 for better utility
			self.range = 3.8 * CELL_SIZE; // Better range for support role
			self.bulletSpeed = 5;
			break;
		case 'poison':
			self.fireRate = 60; // Faster to apply poison more effectively
			self.damage = 15; // Increased from 12
			self.range = 3.5 * CELL_SIZE; // Better range
			self.bulletSpeed = 5;
			break;
	}
	// Create tower base structure
	var baseAssetName = 'tower_base_' + (self.id === 'default' ? 'default' : self.id);
	var baseGraphics = self.attachAsset(baseAssetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create support structures for higher levels
	self.supportStructures = [];
	// Create energy core based on tower type
	var energyCore = self.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	energyCore.width = 40;
	energyCore.height = 40;
	switch (self.id) {
		case 'rapid':
			energyCore.tint = 0x00AAFF;
			break;
		case 'sniper':
			energyCore.tint = 0xFF5500;
			break;
		case 'splash':
			energyCore.tint = 0x33CC00;
			break;
		case 'slow':
			energyCore.tint = 0x9900FF;
			break;
		case 'poison':
			energyCore.tint = 0x00FFAA;
			break;
		default:
			energyCore.tint = 0x88AACC;
	}
	// Add pulsing energy core animation
	self.energyCore = energyCore;
	tween(energyCore, {
		scaleX: 1.2,
		scaleY: 1.2,
		alpha: 0.8
	}, {
		duration: 1000,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(energyCore, {
				scaleX: 1.0,
				scaleY: 1.0,
				alpha: 1.0
			}, {
				duration: 1000,
				easing: tween.easeInOut
			});
		}
	});
	// Method to update tower visual appearance based on level
	self.updateTowerVisuals = function () {
		// Ensure gunContainer exists before trying to use it
		if (!gunContainer) {
			console.warn("gunContainer not found, skipping visual update");
			return;
		}
		// Clear existing gun graphics
		if (self.gunGraphics && self.gunGraphics.parent) {
			gunContainer.removeChild(self.gunGraphics);
		}
		// Clear existing support structures
		for (var i = 0; i < self.supportStructures.length; i++) {
			if (self.supportStructures[i].parent) {
				self.removeChild(self.supportStructures[i]);
			}
		}
		self.supportStructures = [];
		// Create new gun graphics based on current level
		var gunAssetName = 'tower_gun_' + (self.id === 'default' ? 'default' : self.id) + '_' + self.level;
		self.gunGraphics = gunContainer.attachAsset(gunAssetName, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Add support structures for higher levels
		if (self.level >= 2) {
			// Add support beams
			for (var i = 0; i < 2; i++) {
				var beam = self.attachAsset('tower_support_beam', {
					anchorX: 0.5,
					anchorY: 1.0
				});
				beam.x = i === 0 ? -30 : 30;
				beam.y = baseGraphics.height / 2 - 10;
				beam.rotation = i === 0 ? -0.3 : 0.3;
				self.supportStructures.push(beam);
			}
		}
		if (self.level >= 3) {
			// Add radar dish for better targeting
			var radar = self.attachAsset('tower_radar_dish', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			radar.x = 0;
			radar.y = -baseGraphics.height / 2 - 20;
			radar.alpha = 0.8;
			self.supportStructures.push(radar);
			// Rotate radar dish slowly
			tween(radar, {
				rotation: Math.PI * 2
			}, {
				duration: 4000,
				easing: tween.linear,
				onFinish: function onFinish() {
					if (!self.isDestroyed && radar.parent) {
						radar.rotation = 0;
					}
				}
			});
		}
		if (self.level >= 4) {
			// Add antenna for enhanced range
			var antenna = self.attachAsset('tower_antenna', {
				anchorX: 0.5,
				anchorY: 1.0
			});
			antenna.x = 0;
			antenna.y = -baseGraphics.height / 2 - 60;
			self.supportStructures.push(antenna);
			// Add armor plates
			for (var i = 0; i < 4; i++) {
				var armor = self.attachAsset('tower_armor_plate', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				var angle = i / 4 * Math.PI * 2;
				armor.x = Math.cos(angle) * 40;
				armor.y = Math.sin(angle) * 40;
				armor.rotation = angle;
				armor.alpha = 0.7;
				self.supportStructures.push(armor);
			}
		}
		if (self.level >= 5) {
			// Add energy conduits
			for (var i = 0; i < 3; i++) {
				var conduit = self.attachAsset('tower_energy_conduit', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				var angle = i / 3 * Math.PI * 2;
				conduit.x = Math.cos(angle) * 50;
				conduit.y = Math.sin(angle) * 50;
				conduit.rotation = angle + Math.PI / 2;
				// Pulsing energy effect
				tween(conduit, {
					alpha: 0.4
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						if (!self.isDestroyed && conduit.parent) {
							tween(conduit, {
								alpha: 1.0
							}, {
								duration: 800,
								easing: tween.easeInOut
							});
						}
					}
				});
				self.supportStructures.push(conduit);
			}
		}
		if (self.level >= 6) {
			// Max level - add ultimate enhancement visual
			var enhancement = self.attachAsset('towerLevelIndicator', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			enhancement.width = 80;
			enhancement.height = 80;
			enhancement.tint = 0xFFD700;
			enhancement.alpha = 0.3;
			enhancement.y = 0;
			// Rotating golden aura for max level
			tween(enhancement, {
				rotation: Math.PI * 2,
				scaleX: 1.2,
				scaleY: 1.2
			}, {
				duration: 3000,
				easing: tween.linear,
				onFinish: function onFinish() {
					if (!self.isDestroyed && enhancement.parent) {
						enhancement.rotation = 0;
						enhancement.scaleX = 1.0;
						enhancement.scaleY = 1.0;
					}
				}
			});
			self.supportStructures.push(enhancement);
		}
		// Update energy core size based on level
		var coreSize = 40 + (self.level - 1) * 8;
		self.energyCore.width = coreSize;
		self.energyCore.height = coreSize;
		// Add specialization visuals if present
		if (self.specialization) {
			self.updateSpecializationVisuals();
		}
	};
	// Method to add specialization visual indicators
	self.updateSpecializationVisuals = function () {
		if (!self.specialization) return;
		var specAssetName;
		switch (self.specialization.branchType) {
			case 'antiarmor':
				specAssetName = 'tower_spec_armor_pierce';
				break;
			case 'longrange':
				specAssetName = 'tower_spec_long_range';
				break;
			case 'nuclear':
				specAssetName = 'tower_spec_nuclear';
				break;
			case 'chainreaction':
				specAssetName = 'tower_spec_chain_reaction';
				break;
			default:
				return;
		}
		var specVisual = self.attachAsset(specAssetName, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		specVisual.y = -baseGraphics.height / 2 - 40;
		specVisual.alpha = 0.9;
		// Pulsing effect for specialization indicator
		tween(specVisual, {
			scaleX: 1.3,
			scaleY: 1.3,
			alpha: 0.6
		}, {
			duration: 1200,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				if (!self.isDestroyed && specVisual.parent) {
					tween(specVisual, {
						scaleX: 1.0,
						scaleY: 1.0,
						alpha: 0.9
					}, {
						duration: 1200,
						easing: tween.easeInOut
					});
				}
			}
		});
		self.supportStructures.push(specVisual);
	};
	// Initialize tower visuals
	self.updateTowerVisuals();
	var gunContainer = new Container();
	self.addChild(gunContainer);
	var gunGraphics = gunContainer.attachAsset('defense', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var levelIndicators = [];
	var maxDots = self.maxLevel;
	var dotSpacing = baseGraphics.width / (maxDots + 1);
	var dotSize = CELL_SIZE / 6;
	for (var i = 0; i < maxDots; i++) {
		var dot = new Container();
		var outlineCircle = dot.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		outlineCircle.width = dotSize + 4;
		outlineCircle.height = dotSize + 4;
		outlineCircle.tint = 0x000000;
		var towerLevelIndicator = dot.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		towerLevelIndicator.width = dotSize;
		towerLevelIndicator.height = dotSize;
		towerLevelIndicator.tint = 0xCCCCCC;
		dot.x = -CELL_SIZE + dotSpacing * (i + 1);
		dot.y = CELL_SIZE * 0.7;
		self.addChild(dot);
		levelIndicators.push(dot);
	}
	self.updateLevelIndicators = function () {
		for (var i = 0; i < maxDots; i++) {
			var dot = levelIndicators[i];
			var towerLevelIndicator = dot.children[1];
			if (i < self.level) {
				towerLevelIndicator.tint = 0xFFFFFF;
			} else {
				switch (self.id) {
					case 'rapid':
						towerLevelIndicator.tint = 0x00AAFF;
						break;
					case 'sniper':
						towerLevelIndicator.tint = 0xFF5500;
						break;
					case 'splash':
						towerLevelIndicator.tint = 0x33CC00;
						break;
					case 'slow':
						towerLevelIndicator.tint = 0x9900FF;
						break;
					case 'poison':
						towerLevelIndicator.tint = 0x00FFAA;
						break;
					default:
						towerLevelIndicator.tint = 0xAAAAAA;
				}
			}
		}
	};
	self.updateLevelIndicators();
	self.refreshCellsInRange = function () {
		for (var i = 0; i < self.cellsInRange.length; i++) {
			var cell = self.cellsInRange[i];
			var towerIndex = cell.towersInRange.indexOf(self);
			if (towerIndex !== -1) {
				cell.towersInRange.splice(towerIndex, 1);
			}
		}
		self.cellsInRange = [];
		var rangeRadius = self.getRange() / CELL_SIZE;
		var centerX = self.gridX + 1;
		var centerY = self.gridY + 1;
		var minI = Math.floor(centerX - rangeRadius - 0.5);
		var maxI = Math.ceil(centerX + rangeRadius + 0.5);
		var minJ = Math.floor(centerY - rangeRadius - 0.5);
		var maxJ = Math.ceil(centerY + rangeRadius + 0.5);
		for (var i = minI; i <= maxI; i++) {
			for (var j = minJ; j <= maxJ; j++) {
				var closestX = Math.max(i, Math.min(centerX, i + 1));
				var closestY = Math.max(j, Math.min(centerY, j + 1));
				var deltaX = closestX - centerX;
				var deltaY = closestY - centerY;
				var distanceSquared = deltaX * deltaX + deltaY * deltaY;
				if (distanceSquared <= rangeRadius * rangeRadius) {
					var cell = grid.getCell(i, j);
					if (cell) {
						self.cellsInRange.push(cell);
						cell.towersInRange.push(self);
					}
				}
			}
		}
		grid.renderDebug();
	};
	self.getTotalValue = function () {
		var baseTowerCost = getTowerCost(self.id);
		var totalInvestment = baseTowerCost;
		var baseUpgradeCost = baseTowerCost; // Upgrade cost now scales with base tower cost
		for (var i = 1; i < self.level; i++) {
			totalInvestment += Math.floor(baseUpgradeCost * Math.pow(2, i - 1));
		}
		return totalInvestment;
	};
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			// Exponential upgrade cost: base cost * (2 ^ (level-1)), scaled by tower base cost
			var baseUpgradeCost = getTowerCost(self.id);
			var upgradeCost;
			// More balanced upgrade cost scaling
			if (self.level === self.maxLevel - 1) {
				// Final upgrade is expensive but not prohibitive
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(1.8, self.level - 1) * 2.5);
			} else {
				// Use 1.8x multiplier instead of 2x for more manageable costs
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(1.8, self.level - 1));
			}
			if (gold >= upgradeCost) {
				setGold(gold - upgradeCost);
				self.level++;
				// Play upgrade sound
				LK.getSound('towerUpgrade').play();
				// Update tower visuals for new level
				self.updateTowerVisuals();
				// Check for specialization unlock at level 3
				if (self.level === 3 && !self.specialization && (self.id === 'sniper' || self.id === 'splash')) {
					var specMenu = new SpecializationMenu(self);
					game.addChild(specMenu);
					specMenu.x = 2048 / 2;
					tween(specMenu, {
						y: 2732 - 300
					}, {
						duration: 300,
						easing: tween.backOut
					});
					specializationMenus.push(specMenu);
					return true;
				}
				// No need to update self.range here; getRange() is now the source of truth
				// Apply tower-specific upgrades based on type with balanced scaling
				switch (self.id) {
					case 'rapid':
						if (self.level === self.maxLevel) {
							// Max level gets significant boost
							self.fireRate = Math.max(8, 35 - self.level * 4.2);
							self.damage = 8 + self.level * 6; // More modest scaling
							self.bulletSpeed = 7 + self.level * 1.5;
						} else {
							self.fireRate = Math.max(18, 35 - self.level * 2.8);
							self.damage = 8 + self.level * 3.5;
							self.bulletSpeed = 7 + self.level * 0.8;
						}
						break;
					case 'sniper':
						if (self.level === self.maxLevel) {
							self.fireRate = Math.max(15, 100 - self.level * 12);
							self.damage = 40 + self.level * 18; // High damage scaling
							self.bulletSpeed = 25 + self.level * 2;
						} else {
							self.fireRate = Math.max(30, 100 - self.level * 8);
							self.damage = 40 + self.level * 12;
							self.bulletSpeed = 25 + self.level * 1;
						}
						break;
					case 'splash':
						if (self.level === self.maxLevel) {
							self.fireRate = Math.max(12, 80 - self.level * 10);
							self.damage = 18 + self.level * 12; // Strong splash scaling
							self.bulletSpeed = 4 + self.level * 1.5;
						} else {
							self.fireRate = Math.max(25, 80 - self.level * 6);
							self.damage = 18 + self.level * 8;
							self.bulletSpeed = 4 + self.level * 0.8;
						}
						break;
					case 'slow':
						if (self.level === self.maxLevel) {
							self.fireRate = Math.max(8, 45 - self.level * 5.5);
							self.damage = 12 + self.level * 8; // Better damage for utility tower
							self.bulletSpeed = 5 + self.level * 1.2;
						} else {
							self.fireRate = Math.max(20, 45 - self.level * 3.5);
							self.damage = 12 + self.level * 5;
							self.bulletSpeed = 5 + self.level * 0.7;
						}
						break;
					case 'poison':
						if (self.level === self.maxLevel) {
							self.fireRate = Math.max(10, 60 - self.level * 7.5);
							self.damage = 15 + self.level * 10; // Strong poison scaling
							self.bulletSpeed = 5 + self.level * 1.3;
						} else {
							self.fireRate = Math.max(22, 60 - self.level * 5);
							self.damage = 15 + self.level * 6;
							self.bulletSpeed = 5 + self.level * 0.8;
						}
						break;
					default:
						if (self.level === self.maxLevel) {
							self.fireRate = Math.max(10, 60 - self.level * 8);
							self.damage = 10 + self.level * 12;
							self.bulletSpeed = 5 + self.level * 1.5;
						} else {
							self.fireRate = Math.max(25, 60 - self.level * 5);
							self.damage = 10 + self.level * 7;
							self.bulletSpeed = 5 + self.level * 0.8;
						}
				}
				if (self.level > 1) {
					var levelDot = levelIndicators[self.level - 1].children[1];
					tween(levelDot, {
						scaleX: 1.5,
						scaleY: 1.5
					}, {
						duration: 300,
						easing: tween.elasticOut,
						onFinish: function onFinish() {
							tween(levelDot, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 200,
								easing: tween.easeOut
							});
						}
					});
				}
				return true;
			} else {
				var notification = game.addChild(new Notification("Not enough gold to upgrade!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return false;
			}
		}
		return false;
	};
	self.findTarget = function () {
		var closestEnemy = null;
		var closestScore = Infinity;
		// Use spatial partitioning for better performance
		var nearbyEnemies = spatialGrid.getNearbyEnemies(self.x, self.y, self.getRange());
		for (var i = 0; i < nearbyEnemies.length; i++) {
			var enemy = nearbyEnemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Check if enemy is in range
			if (distance <= self.getRange()) {
				// Apply nebula stealth effect - reduce targeting chance
				var targetingChance = enemy.nebulaStealthed ? 0.3 : 1.0;
				if (Math.random() > targetingChance) {
					continue; // Skip this enemy due to stealth
				}
				// Handle flying enemies differently - they can be targeted regardless of path
				if (enemy.isFlying) {
					// For flying enemies, prioritize by distance to the goal
					if (enemy.flyingTarget) {
						var goalX = enemy.flyingTarget.x;
						var goalY = enemy.flyingTarget.y;
						var distToGoal = Math.sqrt((goalX - enemy.cellX) * (goalX - enemy.cellX) + (goalY - enemy.cellY) * (goalY - enemy.cellY));
						// Use distance to goal as score
						if (distToGoal < closestScore) {
							closestScore = distToGoal;
							closestEnemy = enemy;
						}
					} else {
						// If no flying target yet (shouldn't happen), prioritize by distance to tower
						if (distance < closestScore) {
							closestScore = distance;
							closestEnemy = enemy;
						}
					}
				} else {
					// For ground enemies, use the original path-based targeting
					// Get the cell for this enemy
					var cell = grid.getCell(enemy.cellX, enemy.cellY);
					if (cell && cell.pathId === pathId) {
						// Use the cell's score (distance to exit) for prioritization
						// Lower score means closer to exit
						if (cell.score < closestScore) {
							closestScore = cell.score;
							closestEnemy = enemy;
						}
					}
				}
			}
		}
		if (!closestEnemy) {
			self.targetEnemy = null;
		}
		return closestEnemy;
	};
	self.update = function () {
		// Update ultimate ability
		if (self.ultimate) {
			self.ultimate.update();
		}
		self.targetEnemy = self.findTarget();
		if (self.targetEnemy) {
			var dx = self.targetEnemy.x - self.x;
			var dy = self.targetEnemy.y - self.y;
			var angle = Math.atan2(dy, dx);
			gunContainer.rotation = angle;
			var currentFireRate = self.fireRate;
			if (self.heroBuff && self.heroBuff.duration > 0) {
				currentFireRate = Math.floor(self.fireRate * self.heroBuff.fireRate);
			}
			if (LK.ticks - self.lastFired >= currentFireRate) {
				self.fire();
				self.lastFired = LK.ticks;
			}
		}
	};
	self.down = function (x, y, obj) {
		// Tutorial action tracking
		if (tutorialSystem && tutorialSystem.isActive) {
			tutorialSystem.checkActionCompleted('selectTower');
		}
		// Check for ultimate ability activation (double tap or long press simulation)
		if (self.ultimate && self.ultimate.canActivate()) {
			// Simple activation - tap when ultimate is ready
			if (self.ultimate.activate()) {
				return; // Ultimate was activated, don't show menu
			}
		}
		var existingMenus = game.children.filter(function (child) {
			return child instanceof UpgradeMenu;
		});
		var hasOwnMenu = false;
		var rangeCircle = null;
		for (var i = 0; i < game.children.length; i++) {
			if (game.children[i].isTowerRange && game.children[i].tower === self) {
				rangeCircle = game.children[i];
				break;
			}
		}
		for (var i = 0; i < existingMenus.length; i++) {
			if (existingMenus[i].tower === self) {
				hasOwnMenu = true;
				break;
			}
		}
		if (hasOwnMenu) {
			for (var i = 0; i < existingMenus.length; i++) {
				if (existingMenus[i].tower === self) {
					hideUpgradeMenu(existingMenus[i]);
				}
			}
			if (rangeCircle) {
				game.removeChild(rangeCircle);
			}
			selectedTower = null;
			grid.renderDebug();
			return;
		}
		for (var i = 0; i < existingMenus.length; i++) {
			existingMenus[i].destroy();
		}
		for (var i = game.children.length - 1; i >= 0; i--) {
			if (game.children[i].isTowerRange) {
				game.removeChild(game.children[i]);
			}
		}
		selectedTower = self;
		var rangeIndicator = new Container();
		rangeIndicator.isTowerRange = true;
		rangeIndicator.tower = self;
		game.addChild(rangeIndicator);
		rangeIndicator.x = self.x;
		rangeIndicator.y = self.y;
		var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		rangeGraphics.width = rangeGraphics.height = self.getRange() * 2;
		rangeGraphics.alpha = 0.3;
		var upgradeMenu = new UpgradeMenu(self);
		game.addChild(upgradeMenu);
		upgradeMenu.x = 2048 / 2;
		tween(upgradeMenu, {
			y: 2732 - 225
		}, {
			duration: 200,
			easing: tween.backOut
		});
		grid.renderDebug();
	};
	self.isInRange = function (enemy) {
		if (!enemy) {
			return false;
		}
		var dx = enemy.x - self.x;
		var dy = enemy.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		return distance <= self.getRange();
	};
	self.fire = function () {
		if (self.targetEnemy) {
			var potentialDamage = 0;
			for (var i = 0; i < self.targetEnemy.bulletsTargetingThis.length; i++) {
				potentialDamage += self.targetEnemy.bulletsTargetingThis[i].damage;
			}
			if (self.targetEnemy.health > potentialDamage) {
				var bulletX = self.x + Math.cos(gunContainer.rotation) * 40;
				var bulletY = self.y + Math.sin(gunContainer.rotation) * 40;
				// Apply hero buff if present
				var finalDamage = self.damage;
				var finalFireRate = self.fireRate;
				if (self.heroBuff && self.heroBuff.duration > 0) {
					finalDamage = Math.floor(self.damage * self.heroBuff.damage);
					finalFireRate = Math.floor(self.fireRate * self.heroBuff.fireRate);
					self.heroBuff.duration--;
					if (self.heroBuff.duration <= 0) {
						self.heroBuff = null;
					}
				}
				// Apply support bonus from linked towers
				if (self.supportBonus) {
					finalDamage = Math.floor(finalDamage * self.supportBonus);
					finalFireRate = Math.floor(finalFireRate / self.supportBonus);
				}
				// Apply specialization effects
				if (self.specialization) {
					if (self.specialization.branchType === 'antiarmor' && self.targetEnemy.isImmune) {
						finalDamage = Math.floor(finalDamage * 1.5);
					}
				}
				var bullet = getBulletFromPool(bulletX, bulletY, self.targetEnemy, finalDamage, self.bulletSpeed);
				// Set bullet type based on tower type
				bullet.type = self.id;
				// For slow tower, pass level for scaling slow effect
				if (self.id === 'slow') {
					bullet.sourceTowerLevel = self.level;
				}
				// Customize bullet appearance based on tower type
				switch (self.id) {
					case 'rapid':
						bullet.children[0].tint = 0x00AAFF;
						bullet.children[0].width = 20;
						bullet.children[0].height = 20;
						break;
					case 'sniper':
						bullet.children[0].tint = 0xFF5500;
						bullet.children[0].width = 15;
						bullet.children[0].height = 15;
						break;
					case 'splash':
						bullet.children[0].tint = 0x33CC00;
						bullet.children[0].width = 40;
						bullet.children[0].height = 40;
						break;
					case 'slow':
						bullet.children[0].tint = 0x9900FF;
						bullet.children[0].width = 35;
						bullet.children[0].height = 35;
						break;
					case 'poison':
						bullet.children[0].tint = 0x00FFAA;
						bullet.children[0].width = 35;
						bullet.children[0].height = 35;
						break;
				}
				game.addChild(bullet);
				bullets.push(bullet);
				self.targetEnemy.bulletsTargetingThis.push(bullet);
				// Play shooting sound
				LK.getSound('towerShoot').play();
				// --- Sci-fi charge and firing effect ---
				// Stop any ongoing recoil tweens before starting a new one
				tween.stop(gunContainer, {
					x: true,
					y: true,
					scaleX: true,
					scaleY: true
				});
				// Add energy charge effect to core
				if (self.energyCore) {
					tween.stop(self.energyCore, {
						scaleX: true,
						scaleY: true,
						alpha: true
					});
					tween(self.energyCore, {
						scaleX: 1.5,
						scaleY: 1.5,
						alpha: 1.5
					}, {
						duration: 120,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self.energyCore, {
								scaleX: 1.0,
								scaleY: 1.0,
								alpha: 1.0
							}, {
								duration: 300,
								easing: tween.easeIn
							});
						}
					});
				}
				// Always use the original resting position for recoil, never accumulate offset
				if (gunContainer._restX === undefined) {
					gunContainer._restX = 0;
				}
				if (gunContainer._restY === undefined) {
					gunContainer._restY = 0;
				}
				if (gunContainer._restScaleX === undefined) {
					gunContainer._restScaleX = 1;
				}
				if (gunContainer._restScaleY === undefined) {
					gunContainer._restScaleY = 1;
				}
				// Reset to resting position before animating (in case of interrupted tweens)
				gunContainer.x = gunContainer._restX;
				gunContainer.y = gunContainer._restY;
				gunContainer.scaleX = gunContainer._restScaleX;
				gunContainer.scaleY = gunContainer._restScaleY;
				// Calculate recoil offset (recoil back along the gun's rotation)
				var recoilDistance = 8;
				var recoilX = -Math.cos(gunContainer.rotation) * recoilDistance;
				var recoilY = -Math.sin(gunContainer.rotation) * recoilDistance;
				// Animate recoil back from the resting position
				tween(gunContainer, {
					x: gunContainer._restX + recoilX,
					y: gunContainer._restY + recoilY
				}, {
					duration: 60,
					easing: tween.cubicOut,
					onFinish: function onFinish() {
						// Animate return to original position/scale
						tween(gunContainer, {
							x: gunContainer._restX,
							y: gunContainer._restY
						}, {
							duration: 90,
							easing: tween.cubicIn
						});
					}
				});
			}
		}
	};
	self.placeOnGrid = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		self.x = grid.x + gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + gridY * CELL_SIZE + CELL_SIZE / 2;
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(gridX + i, gridY + j);
				if (cell) {
					cell.type = 1;
				}
			}
		}
		self.refreshCellsInRange();
	};
	self.destroy = function () {
		if (self.isDestroyed) {
			return;
		}
		self.isDestroyed = true;
		// Stop all active tweens on this tower and its components
		tween.stop(self);
		tween.stop(gunContainer);
		if (self.energyCore) {
			tween.stop(self.energyCore);
		}
		// Clean up all support structures and their tweens
		if (self.supportStructures) {
			for (var i = 0; i < self.supportStructures.length; i++) {
				if (self.supportStructures[i]) {
					tween.stop(self.supportStructures[i]);
				}
			}
			self.supportStructures = [];
		}
		// Clean up gun graphics
		if (self.gunGraphics) {
			tween.stop(self.gunGraphics);
			self.gunGraphics = null;
		}
		// Clear cells in range references
		for (var i = 0; i < self.cellsInRange.length; i++) {
			var cell = self.cellsInRange[i];
			var towerIndex = cell.towersInRange.indexOf(self);
			if (towerIndex !== -1) {
				cell.towersInRange.splice(towerIndex, 1);
			}
		}
		self.cellsInRange = [];
		// Clear grid cells occupied by this tower
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(self.gridX + i, self.gridY + j);
				if (cell) {
					cell.type = 0;
				}
			}
		}
		// Remove from towers array
		var towerIndex = towers.indexOf(self);
		if (towerIndex !== -1) {
			towers.splice(towerIndex, 1);
		}
		// Remove from parent container
		if (self.parent) {
			self.parent.removeChild(self);
		}
		// Remove any associated range indicators
		for (var i = game.children.length - 1; i >= 0; i--) {
			if (game.children[i].isTowerRange && game.children[i].tower === self) {
				game.removeChild(game.children[i]);
			}
		}
		// Close any upgrade menus for this tower
		var upgradeMenus = game.children.filter(function (child) {
			return child instanceof UpgradeMenu && child.tower === self;
		});
		for (var i = 0; i < upgradeMenus.length; i++) {
			upgradeMenus[i].destroy();
		}
		// Clear selected tower if it's this tower
		if (selectedTower === self) {
			selectedTower = null;
		}
		// Clean up ultimate ability
		if (self.ultimate) {
			self.ultimate.destroy();
			self.ultimate = null;
		}
		// Nullify all object references
		self.targetEnemy = null;
		self.energyCore = null;
		// Call parent destroy
		Container.prototype.destroy.call(self);
	};
	return self;
});
var TowerPreview = Container.expand(function () {
	var self = Container.call(this);
	var towerRange = 3;
	var rangeInPixels = towerRange * CELL_SIZE;
	self.towerType = 'default';
	self.hasEnoughGold = true;
	var rangeIndicator = new Container();
	self.addChild(rangeIndicator);
	var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	rangeGraphics.alpha = 0.3;
	var previewGraphics = self.attachAsset('towerpreview', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	previewGraphics.width = CELL_SIZE * 2;
	previewGraphics.height = CELL_SIZE * 2;
	self.canPlace = false;
	self.gridX = 0;
	self.gridY = 0;
	self.blockedByEnemy = false;
	self.update = function () {
		var previousHasEnoughGold = self.hasEnoughGold;
		self.hasEnoughGold = gold >= getTowerCost(self.towerType);
		// Only update appearance if the affordability status has changed
		if (previousHasEnoughGold !== self.hasEnoughGold) {
			self.updateAppearance();
		}
	};
	self.updateAppearance = function () {
		// Use Tower class to get the source of truth for range
		var tempTower = new Tower(self.towerType);
		var previewRange = tempTower.getRange();
		// Clean up tempTower to avoid memory leaks
		if (tempTower && tempTower.destroy) {
			tempTower.destroy();
		}
		// Set range indicator using unified range logic
		rangeGraphics.width = rangeGraphics.height = previewRange * 2;
		switch (self.towerType) {
			case 'rapid':
				previewGraphics.tint = 0x00AAFF;
				break;
			case 'sniper':
				previewGraphics.tint = 0xFF5500;
				break;
			case 'splash':
				previewGraphics.tint = 0x33CC00;
				break;
			case 'slow':
				previewGraphics.tint = 0x9900FF;
				break;
			case 'poison':
				previewGraphics.tint = 0x00FFAA;
				break;
			default:
				previewGraphics.tint = 0xAAAAAA;
		}
		if (!self.canPlace || !self.hasEnoughGold) {
			previewGraphics.tint = 0xFF0000;
		}
	};
	self.updatePlacementStatus = function () {
		var validGridPlacement = true;
		if (self.gridY <= 4 || self.gridY + 1 >= grid.cells[0].length - 4) {
			validGridPlacement = false;
		} else {
			for (var i = 0; i < 2; i++) {
				for (var j = 0; j < 2; j++) {
					var cell = grid.getCell(self.gridX + i, self.gridY + j);
					if (!cell || cell.type !== 0) {
						validGridPlacement = false;
						break;
					}
				}
				if (!validGridPlacement) {
					break;
				}
			}
		}
		self.blockedByEnemy = false;
		if (validGridPlacement) {
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				if (enemy.currentCellY < 4) {
					continue;
				}
				// Only check non-flying enemies, flying enemies can pass over towers
				if (!enemy.isFlying) {
					if (enemy.cellX >= self.gridX && enemy.cellX < self.gridX + 2 && enemy.cellY >= self.gridY && enemy.cellY < self.gridY + 2) {
						self.blockedByEnemy = true;
						break;
					}
					if (enemy.currentTarget) {
						var targetX = enemy.currentTarget.x;
						var targetY = enemy.currentTarget.y;
						if (targetX >= self.gridX && targetX < self.gridX + 2 && targetY >= self.gridY && targetY < self.gridY + 2) {
							self.blockedByEnemy = true;
							break;
						}
					}
				}
			}
		}
		self.canPlace = validGridPlacement && !self.blockedByEnemy;
		self.hasEnoughGold = gold >= getTowerCost(self.towerType);
		self.updateAppearance();
	};
	self.checkPlacement = function () {
		self.updatePlacementStatus();
	};
	self.snapToGrid = function (x, y) {
		var gridPosX = x - grid.x;
		var gridPosY = y - grid.y;
		self.gridX = Math.floor(gridPosX / CELL_SIZE);
		self.gridY = Math.floor(gridPosY / CELL_SIZE);
		self.x = grid.x + self.gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + self.gridY * CELL_SIZE + CELL_SIZE / 2;
		self.checkPlacement();
	};
	return self;
});
var TowerSpecialization = Container.expand(function (tower, branchType) {
	var self = Container.call(this);
	self.tower = tower;
	self.branchType = branchType || 'none';
	self.linkedTowers = [];
	self.isDestroyed = false;
	// Add specialization visual indicator
	var specIcon = self.attachAsset('specializationIcon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	specIcon.width = 30;
	specIcon.height = 30;
	specIcon.y = -self.tower.children[0].height / 2 - 20;
	// Set specialization color based on branch
	switch (self.branchType) {
		case 'antiarmor':
			specIcon.tint = 0xFF6600;
			break;
		case 'longrange':
			specIcon.tint = 0x00AAFF;
			break;
		case 'nuclear':
			specIcon.tint = 0xFF0000;
			break;
		case 'chainreaction':
			specIcon.tint = 0xFFFF00;
			break;
		default:
			specIcon.tint = 0xFFD700;
	}
	self.applySpecialization = function () {
		switch (self.branchType) {
			case 'antiarmor':
				// Anti-armor: pierce shields, extra damage to immune enemies
				self.tower.armorPiercing = true;
				self.tower.damage = Math.floor(self.tower.damage * 1.5);
				break;
			case 'longrange':
				// Long-range: significantly extended range
				self.tower.rangeMultiplier = 2.0;
				self.tower.refreshCellsInRange();
				break;
			case 'nuclear':
				// Nuclear: huge splash damage, slower fire rate
				self.tower.damage = Math.floor(self.tower.damage * 2.5);
				self.tower.fireRate = Math.floor(self.tower.fireRate * 1.8);
				self.tower.splashRadius = CELL_SIZE * 3;
				break;
			case 'chainreaction':
				// Chain reaction: damage spreads between enemies
				self.tower.chainReaction = true;
				self.tower.chainRange = CELL_SIZE * 2;
				self.tower.chainDamage = 0.7;
				break;
		}
		// Update tower visuals to show specialization
		if (self.tower.updateSpecializationVisuals) {
			self.tower.updateSpecializationVisuals();
		}
	};
	self.findNearbyTowers = function () {
		var nearby = [];
		var searchRadius = CELL_SIZE * 4;
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			if (tower !== self.tower && tower.specialization) {
				var dx = tower.x - self.tower.x;
				var dy = tower.y - self.tower.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= searchRadius) {
					nearby.push(tower);
				}
			}
		}
		return nearby;
	};
	self.createSupportLinks = function () {
		var nearbyTowers = self.findNearbyTowers();
		for (var i = 0; i < nearbyTowers.length; i++) {
			var tower = nearbyTowers[i];
			if (self.linkedTowers.indexOf(tower) === -1) {
				self.linkedTowers.push(tower);
				// Create visual link beam
				var linkBeam = new Container();
				linkBeam.x = self.tower.x;
				linkBeam.y = self.tower.y;
				var beamGraphics = linkBeam.attachAsset('linkBeam', {
					anchorX: 0,
					anchorY: 0.5
				});
				var dx = tower.x - self.tower.x;
				var dy = tower.y - self.tower.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				var angle = Math.atan2(dy, dx);
				beamGraphics.width = distance;
				beamGraphics.rotation = angle;
				beamGraphics.alpha = 0.5;
				beamGraphics.tint = 0x00FF88;
				game.addChild(linkBeam);
				self.tower.linkBeam = linkBeam;
			}
		}
	};
	self.applySupportBonus = function () {
		// Linked towers get damage and fire rate bonus
		var bonusMultiplier = 1 + self.linkedTowers.length * 0.15;
		self.tower.supportBonus = bonusMultiplier;
	};
	self.update = function () {
		if (self.branchType !== 'none') {
			self.createSupportLinks();
			self.applySupportBonus();
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		// Remove link beams
		if (self.tower.linkBeam && self.tower.linkBeam.parent) {
			self.tower.linkBeam.parent.removeChild(self.tower.linkBeam);
		}
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var TowerUltimate = Container.expand(function (tower, ultimateType) {
	var self = Container.call(this);
	self.tower = tower;
	self.ultimateType = ultimateType || 'none';
	self.cooldownTime = 1800; // 30 seconds at 60fps
	self.currentCooldown = 0;
	self.isDestroyed = false;
	// Add ultimate indicator
	var ultimateIcon = self.attachAsset('ultimateIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	ultimateIcon.y = -self.tower.children[0].height / 2 - 35;
	ultimateIcon.alpha = 0.3; // Dim when on cooldown
	// Set ultimate-specific properties
	switch (self.ultimateType) {
		case 'orbital':
			self.cooldownTime = 2400; // 40 seconds
			ultimateIcon.tint = 0xFF0000;
			break;
		case 'nanite':
			self.cooldownTime = 2100; // 35 seconds  
			ultimateIcon.tint = 0x00FF88;
			break;
		case 'temporal':
			self.cooldownTime = 1800; // 30 seconds
			ultimateIcon.tint = 0x9966FF;
			break;
		default:
			ultimateIcon.tint = 0xFFD700;
	}
	self.canActivate = function () {
		return self.currentCooldown <= 0 && !self.isDestroyed;
	};
	self.activate = function () {
		if (!self.canActivate()) return false;
		self.currentCooldown = self.cooldownTime;
		// Visual cooldown effect
		ultimateIcon.alpha = 0.3;
		tween(ultimateIcon, {
			alpha: 1.0
		}, {
			duration: self.cooldownTime,
			easing: tween.linear
		});
		switch (self.ultimateType) {
			case 'orbital':
				return self.orbitalStrike();
			case 'nanite':
				return self.naniteSwarm();
			case 'temporal':
				return self.timeDilation();
		}
		return false;
	};
	self.orbitalStrike = function () {
		// Find target area with most enemies
		var bestTarget = null;
		var maxEnemies = 0;
		var strikeRadius = CELL_SIZE * 3;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var nearbyCount = 0;
			for (var j = 0; j < enemies.length; j++) {
				var otherEnemy = enemies[j];
				var dx = otherEnemy.x - enemy.x;
				var dy = otherEnemy.y - enemy.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= strikeRadius) {
					nearbyCount++;
				}
			}
			if (nearbyCount > maxEnemies) {
				maxEnemies = nearbyCount;
				bestTarget = enemy;
			}
		}
		if (bestTarget) {
			// Create orbital strike effect
			var strikeEffect = new Container();
			strikeEffect.x = bestTarget.x;
			strikeEffect.y = bestTarget.y;
			var strikeGraphics = strikeEffect.attachAsset('orbitalStrike', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			strikeGraphics.alpha = 0.0;
			strikeGraphics.scaleX = 0.1;
			strikeGraphics.scaleY = 0.1;
			strikeGraphics.blendMode = 1; // Additive
			game.addChild(strikeEffect);
			// Warning phase
			tween(strikeGraphics, {
				alpha: 0.7,
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 1000,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Strike phase - massive damage
					var strikeDamage = self.tower.damage * 15;
					for (var i = enemies.length - 1; i >= 0; i--) {
						var enemy = enemies[i];
						var dx = enemy.x - bestTarget.x;
						var dy = enemy.y - bestTarget.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance <= strikeRadius) {
							enemy.health -= strikeDamage;
							if (enemy.health <= 0) {
								enemy.health = 0;
							} else {
								enemy.healthBar.width = enemy.health / enemy.maxHealth * 70;
							}
							// Visual damage effect
							tween(enemy, {
								tint: 0xFFFFFF,
								scaleX: 1.2,
								scaleY: 1.2
							}, {
								duration: 200,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									tween(enemy, {
										scaleX: 1.0,
										scaleY: 1.0
									}, {
										duration: 200,
										easing: tween.easeIn
									});
								}
							});
						}
					}
					// Final explosion effect
					tween(strikeGraphics, {
						scaleX: 2.5,
						scaleY: 2.5,
						alpha: 0
					}, {
						duration: 800,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							if (strikeEffect.parent) {
								strikeEffect.parent.removeChild(strikeEffect);
							}
						}
					});
				}
			});
			var notification = game.addChild(new Notification("🛰️ ORBITAL STRIKE INCOMING! 🛰️"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			return true;
		}
		return false;
	};
	self.naniteSwarm = function () {
		// Create nanite swarm that spreads poison and self-replicates
		var swarmCenter = self.tower;
		var swarmRadius = CELL_SIZE * 4;
		var swarmDamage = self.tower.damage * 3;
		// Create visual swarm effect
		var swarmEffect = new Container();
		swarmEffect.x = swarmCenter.x;
		swarmEffect.y = swarmCenter.y;
		var swarmGraphics = swarmEffect.attachAsset('naniteSwarm', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		swarmGraphics.alpha = 0.8;
		swarmGraphics.tint = 0x00FF88;
		game.addChild(swarmEffect);
		// Create multiple nanite particles
		var particles = [];
		for (var i = 0; i < 12; i++) {
			var particle = swarmEffect.attachAsset('towerLevelIndicator', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			particle.width = 15;
			particle.height = 15;
			particle.tint = 0x44FFAA;
			var angle = i / 12 * Math.PI * 2;
			particle.x = Math.cos(angle) * 50;
			particle.y = Math.sin(angle) * 50;
			particles.push(particle);
		}
		// Animate swarm expansion
		tween(swarmEffect, {
			scaleX: 3.0,
			scaleY: 3.0
		}, {
			duration: 2000,
			easing: tween.easeOut
		});
		// Animate particles spiraling outward
		for (var i = 0; i < particles.length; i++) {
			var particle = particles[i];
			tween(particle, {
				x: particle.x * 3,
				y: particle.y * 3,
				rotation: Math.PI * 4
			}, {
				duration: 2000,
				delay: i * 100,
				easing: tween.easeOut
			});
		}
		// Apply nanite effects over time
		var swarmDuration = 180; // 3 seconds
		var _swarmTick = function swarmTick() {
			swarmDuration--;
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				var dx = enemy.x - swarmCenter.x;
				var dy = enemy.y - swarmCenter.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= swarmRadius) {
					// Apply nanite damage
					enemy.health -= swarmDamage;
					if (enemy.health <= 0) {
						enemy.health = 0;
					} else {
						enemy.healthBar.width = enemy.health / enemy.maxHealth * 70;
					}
					// Apply enhanced poison effect
					enemy.poisoned = true;
					enemy.poisonDamage = swarmDamage * 0.5;
					enemy.poisonDuration = 300; // Extended duration
					// Self-replication chance
					if (Math.random() < 0.3 && swarmDuration > 60) {
						// 30% chance to spread to nearby enemies
						for (var j = 0; j < enemies.length; j++) {
							var nearbyEnemy = enemies[j];
							if (nearbyEnemy !== enemy) {
								var nearbyDx = nearbyEnemy.x - enemy.x;
								var nearbyDy = nearbyEnemy.y - enemy.y;
								var nearbyDistance = Math.sqrt(nearbyDx * nearbyDx + nearbyDy * nearbyDy);
								if (nearbyDistance <= CELL_SIZE * 2) {
									nearbyEnemy.poisoned = true;
									nearbyEnemy.poisonDamage = swarmDamage * 0.3;
									nearbyEnemy.poisonDuration = 240;
									break;
								}
							}
						}
					}
				}
			}
			if (swarmDuration > 0) {
				LK.setTimeout(_swarmTick, 100); // Continue every 100ms
			} else {
				// Clean up swarm effect
				tween(swarmEffect, {
					alpha: 0,
					scaleX: 0.1,
					scaleY: 0.1
				}, {
					duration: 500,
					easing: tween.easeIn,
					onFinish: function onFinish() {
						if (swarmEffect.parent) {
							swarmEffect.parent.removeChild(swarmEffect);
						}
					}
				});
			}
		};
		LK.setTimeout(_swarmTick, 100); // Start swarm effects
		var notification = game.addChild(new Notification("🤖 NANITE SWARM DEPLOYED! 🤖"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		return true;
	};
	self.timeDilation = function () {
		// Create temporal distortion field that slows time for enemies
		var dilationCenter = self.tower;
		var dilationRadius = CELL_SIZE * 5;
		var dilationDuration = 600; // 10 seconds
		// Create visual time dilation effect
		var dilationEffect = new Container();
		dilationEffect.x = dilationCenter.x;
		dilationEffect.y = dilationCenter.y;
		var dilationGraphics = dilationEffect.attachAsset('timeDilation', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		dilationGraphics.alpha = 0.4;
		dilationGraphics.tint = 0x9966FF;
		dilationGraphics.blendMode = 1; // Additive
		game.addChild(dilationEffect);
		// Pulsing time distortion effect
		tween(dilationGraphics, {
			scaleX: 1.3,
			scaleY: 1.3,
			alpha: 0.7
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(dilationGraphics, {
					scaleX: 1.0,
					scaleY: 1.0,
					alpha: 0.4
				}, {
					duration: 1000,
					easing: tween.easeInOut
				});
			}
		});
		// Apply time dilation effects
		var affectedEnemies = [];
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - dilationCenter.x;
			var dy = enemy.y - dilationCenter.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= dilationRadius) {
				// Store original speed
				if (!enemy.originalDilationSpeed) {
					enemy.originalDilationSpeed = enemy.speed;
				}
				// Extreme slow effect (90% speed reduction)
				enemy.speed = enemy.originalDilationSpeed * 0.1;
				enemy.temporallyDilated = true;
				enemy.dilationDuration = dilationDuration;
				affectedEnemies.push(enemy);
				// Visual distortion effect on enemy
				tween(enemy, {
					tint: 0x9966FF,
					alpha: 0.8
				}, {
					duration: 300,
					easing: tween.easeOut
				});
			}
		}
		// During dilation, towers in the field get boosted fire rate
		var boostedTowers = [];
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			var dx = tower.x - dilationCenter.x;
			var dy = tower.y - dilationCenter.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= dilationRadius && tower !== self.tower) {
				tower.originalDilationFireRate = tower.fireRate;
				tower.fireRate = Math.floor(tower.fireRate * 0.3); // 70% faster firing
				tower.temporallyBoosted = true;
				boostedTowers.push(tower);
			}
		}
		// Clean up after duration
		LK.setTimeout(function () {
			// Restore enemy speeds
			for (var i = 0; i < affectedEnemies.length; i++) {
				var enemy = affectedEnemies[i];
				if (enemy.parent && !enemy.isDestroyed) {
					enemy.speed = enemy.originalDilationSpeed;
					enemy.temporallyDilated = false;
					// Restore enemy appearance
					tween(enemy, {
						alpha: 1.0
					}, {
						duration: 300,
						easing: tween.easeIn
					});
				}
			}
			// Restore tower fire rates
			for (var i = 0; i < boostedTowers.length; i++) {
				var tower = boostedTowers[i];
				if (tower.parent && !tower.isDestroyed) {
					tower.fireRate = tower.originalDilationFireRate;
					tower.temporallyBoosted = false;
				}
			}
			// Remove visual effect
			tween(dilationEffect, {
				alpha: 0,
				scaleX: 0.1,
				scaleY: 0.1
			}, {
				duration: 1000,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					if (dilationEffect.parent) {
						dilationEffect.parent.removeChild(dilationEffect);
					}
				}
			});
		}, dilationDuration * 16.67); // Convert frames to milliseconds
		var notification = game.addChild(new Notification("⏰ TIME DILATION ACTIVATED! ⏰"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		return true;
	};
	self.update = function () {
		if (self.currentCooldown > 0) {
			self.currentCooldown--;
		}
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});
var TutorialSystem = Container.expand(function () {
	var self = Container.call(this);
	self.currentStep = 0;
	self.isActive = false;
	self.isWaitingForAction = false;
	self.tutorialCompleted = storage.tutorialCompleted || false;
	self.currentPhase = 'introduction'; // introduction, basics, combat, advanced, endgame
	self.highlightOverlay = null;
	self.actionArrow = null;
	self.tutorialSteps = [
	// INTRODUCTION PHASE
	{
		phase: 'introduction',
		title: "Welcome to Space Tower Defense!",
		text: "Commander, our space station is under attack!\nYou must defend against waves of alien invaders.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'introduction',
		title: "Your Mission",
		text: "Build defensive towers to stop enemies from reaching\nthe bottom of the screen and destroying our base.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'introduction',
		title: "Resources Overview",
		text: "Gold: Used to build and upgrade towers\nLives: Lost when enemies reach the bottom\nScore: Points earned for defeating enemies",
		highlight: "ui",
		action: null,
		waitForAction: false
	},
	// BASICS PHASE
	{
		phase: 'basics',
		title: "Building Your First Tower",
		text: "Let's start by building a basic tower.\nDrag the 'Default' tower from the bottom panel.",
		highlight: "sourceTowers",
		action: "buildTower",
		waitForAction: true
	}, {
		phase: 'basics',
		title: "Tower Placement",
		text: "Good! Towers need 2x2 space and cannot block enemy paths.\nThe green preview shows valid placement areas.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'basics',
		title: "Tower Information",
		text: "Tap on your tower to see its stats and upgrade options.\nTry tapping the tower you just built.",
		highlight: "tower",
		action: "selectTower",
		waitForAction: true
	}, {
		phase: 'basics',
		title: "Upgrading Towers",
		text: "Excellent! Upgrading increases damage and fire rate.\nUpgrades get more expensive at higher levels.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'basics',
		title: "Starting Combat",
		text: "Now let's face some enemies!\nTap the 'Start Game' button to begin wave 1.",
		highlight: "startButton",
		action: "startGame",
		waitForAction: true
	},
	// COMBAT PHASE  
	{
		phase: 'combat',
		title: "Enemy Types - Normal",
		text: "The first enemies are normal type - balanced health and speed.\nYour towers will automatically target and fire at them.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'combat',
		title: "Earning Gold",
		text: "Great! You earn gold for each enemy defeated.\nUse this gold to build more towers and upgrades.",
		highlight: "gold",
		action: null,
		waitForAction: false
	}, {
		phase: 'combat',
		title: "Tower Specialization",
		text: "Different tower types are effective against different enemies.\nLet's build a Rapid tower for faster firing.",
		highlight: "sourceTowers",
		action: "buildRapidTower",
		waitForAction: true
	}, {
		phase: 'combat',
		title: "Enemy Types - Fast",
		text: "Wave 2 brings fast enemies (blue).\nRapid towers are excellent against quick targets.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'combat',
		title: "Tower Range",
		text: "Each tower has a different range.\nSniper towers have long range but fire slowly.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'combat',
		title: "Build a Sniper Tower",
		text: "Try building a Sniper tower (orange) for long-range support.\nPlace it where it can cover a large area.",
		highlight: "sourceTowers",
		action: "buildSniperTower",
		waitForAction: true
	},
	// ADVANCED PHASE
	{
		phase: 'advanced',
		title: "Special Enemy Types",
		text: "As waves progress, you'll face special enemies:\n• Flying (yellow) - immune to some towers\n• Immune (red) - resistant to effects",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'advanced',
		title: "Splash Damage",
		text: "Splash towers (green) deal area damage.\nThey're effective against groups of enemies.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'advanced',
		title: "Support Towers",
		text: "Slow towers (purple) reduce enemy speed.\nPoison towers (cyan) deal damage over time.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'advanced',
		title: "Hero Units",
		text: "Deploy hero units for additional firepower!\nHeroes can move around and have special abilities.",
		highlight: "heroPanel",
		action: null,
		waitForAction: false
	}, {
		phase: 'advanced',
		title: "Deploy a Tank Hero",
		text: "Try deploying a Tank hero (green).\nTap the tank button, then tap on the battlefield.",
		highlight: "heroPanel",
		action: "deployHero",
		waitForAction: true
	}, {
		phase: 'advanced',
		title: "Hero Abilities",
		text: "Heroes gain experience and can use special abilities.\nTap on your hero to activate its ability when ready.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'advanced',
		title: "Station Modules",
		text: "Customize your space station with modules!\nTap the 'Customize' button to manage station upgrades.",
		highlight: "stationPanel",
		action: null,
		waitForAction: false
	},
	// ENDGAME PHASE
	{
		phase: 'endgame',
		title: "Boss Waves",
		text: "Every 10th wave is a Boss wave with powerful enemies.\nBoss enemies have much more health but give more gold.",
		highlight: "waveIndicator",
		action: null,
		waitForAction: false
	}, {
		phase: 'endgame',
		title: "Environmental Hazards",
		text: "Watch for space hazards like asteroids, nebulas, and solar flares.\nThese can help or hinder your defense strategy.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'endgame',
		title: "Advanced Strategies",
		text: "• Upgrade key towers to maximum level\n• Use hero abilities strategically\n• Adapt to enemy types each wave",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'endgame',
		title: "Tower Specializations",
		text: "At level 3, some towers can specialize:\n• Sniper: Anti-Armor or Long-Range\n• Splash: Nuclear or Chain Reaction",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'endgame',
		title: "Path Branching",
		text: "Enemies may take different routes through your defenses.\nSome paths are shorter but more defended.",
		highlight: null,
		action: null,
		waitForAction: false
	}, {
		phase: 'endgame',
		title: "Tutorial Complete!",
		text: "You're ready to defend the station, Commander!\nSurvive all 50 waves to achieve victory.",
		highlight: null,
		action: null,
		waitForAction: false
	}];
	var tutorialContainer = new Container();
	self.addChild(tutorialContainer);
	var overlay = tutorialContainer.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	overlay.width = 1900;
	overlay.height = 450;
	overlay.tint = 0x0A0A0A;
	overlay.alpha = 0.95;
	// Phase indicator
	var phaseText = new Text2("", {
		size: 40,
		fill: 0xFFD700,
		weight: 600
	});
	phaseText.anchor.set(0.5, 0.5);
	phaseText.y = -160;
	tutorialContainer.addChild(phaseText);
	var titleText = new Text2("", {
		size: 65,
		fill: 0xFFFFFF,
		weight: 800
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.y = -100;
	tutorialContainer.addChild(titleText);
	var bodyText = new Text2("", {
		size: 45,
		fill: 0xE0E0E0,
		weight: 400
	});
	bodyText.anchor.set(0.5, 0.5);
	bodyText.y = 0;
	tutorialContainer.addChild(bodyText);
	// Progress indicator
	var progressText = new Text2("", {
		size: 35,
		fill: 0xCCCCCC,
		weight: 400
	});
	progressText.anchor.set(0.5, 0.5);
	progressText.y = 80;
	tutorialContainer.addChild(progressText);
	var buttonContainer = new Container();
	buttonContainer.y = 140;
	tutorialContainer.addChild(buttonContainer);
	var nextButton = new Container();
	var nextBg = nextButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	nextBg.width = 200;
	nextBg.height = 80;
	nextBg.tint = 0x00AA00;
	var nextText = new Text2("Next", {
		size: 55,
		fill: 0xFFFFFF,
		weight: 800
	});
	nextText.anchor.set(0.5, 0.5);
	nextButton.addChild(nextText);
	nextButton.x = -250;
	buttonContainer.addChild(nextButton);
	var skipButton = new Container();
	var skipBg = skipButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	skipBg.width = 200;
	skipBg.height = 80;
	skipBg.tint = 0xAA0000;
	var skipText = new Text2("Skip", {
		size: 55,
		fill: 0xFFFFFF,
		weight: 800
	});
	skipText.anchor.set(0.5, 0.5);
	skipButton.addChild(skipText);
	skipButton.x = 0;
	buttonContainer.addChild(skipButton);
	var prevButton = new Container();
	var prevBg = prevButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	prevBg.width = 200;
	prevBg.height = 80;
	prevBg.tint = 0x0066CC;
	var prevText = new Text2("Back", {
		size: 55,
		fill: 0xFFFFFF,
		weight: 800
	});
	prevText.anchor.set(0.5, 0.5);
	prevButton.addChild(prevText);
	prevButton.x = 250;
	buttonContainer.addChild(prevButton);
	self.createHighlight = function (target) {
		if (self.highlightOverlay) {
			self.highlightOverlay.parent.removeChild(self.highlightOverlay);
		}
		self.highlightOverlay = new Container();
		var highlight = self.highlightOverlay.attachAsset('rangeCircle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		highlight.width = 300;
		highlight.height = 300;
		highlight.tint = 0xFFD700;
		highlight.alpha = 0.3;
		// Pulsing animation
		tween(highlight, {
			scaleX: 1.2,
			scaleY: 1.2,
			alpha: 0.6
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				if (!self.highlightOverlay.isDestroyed) {
					tween(highlight, {
						scaleX: 1.0,
						scaleY: 1.0,
						alpha: 0.3
					}, {
						duration: 1000,
						easing: tween.easeInOut
					});
				}
			}
		});
		game.addChild(self.highlightOverlay);
		return self.highlightOverlay;
	};
	self.removeHighlight = function () {
		if (self.highlightOverlay && self.highlightOverlay.parent) {
			tween.stop(self.highlightOverlay);
			self.highlightOverlay.parent.removeChild(self.highlightOverlay);
			self.highlightOverlay = null;
		}
	};
	self.showStep = function (stepIndex) {
		if (stepIndex >= self.tutorialSteps.length) {
			self.endTutorial();
			return;
		}
		var step = self.tutorialSteps[stepIndex];
		var phaseDisplay = step.phase.charAt(0).toUpperCase() + step.phase.slice(1) + " Phase";
		phaseText.setText(phaseDisplay);
		titleText.setText(step.title);
		bodyText.setText(step.text);
		progressText.setText("Step " + (stepIndex + 1) + " of " + self.tutorialSteps.length);
		// Update button states
		nextButton.visible = !step.waitForAction;
		skipButton.visible = true;
		prevButton.visible = stepIndex > 0;
		if (stepIndex === self.tutorialSteps.length - 1) {
			nextText.setText("Finish!");
			skipText.setText("Start!");
		}
		// Handle highlights
		self.removeHighlight();
		if (step.highlight) {
			switch (step.highlight) {
				case "ui":
					// Highlight UI area
					if (self.highlightOverlay) {
						self.highlightOverlay.x = 2048 / 2;
						self.highlightOverlay.y = 100;
					}
					break;
				case "sourceTowers":
					// Highlight tower selection area
					if (sourceTowers.length > 0) {
						var highlight = self.createHighlight();
						highlight.x = sourceTowers[0].x;
						highlight.y = sourceTowers[0].y;
					}
					break;
				case "gold":
					// Highlight gold display
					var highlight = self.createHighlight();
					highlight.x = 2048 / 2 - 400;
					highlight.y = 100;
					break;
				case "heroPanel":
					// Highlight hero panel
					var highlight = self.createHighlight();
					highlight.x = 2048 / 2;
					highlight.y = 200;
					break;
				case "stationPanel":
					// Highlight station panel
					var highlight = self.createHighlight();
					highlight.x = 2048 - 200;
					highlight.y = 250;
					break;
				case "waveIndicator":
					// Highlight wave indicator
					var highlight = self.createHighlight();
					highlight.x = 2048 / 2;
					highlight.y = 2732 - 80;
					break;
				case "startButton":
					// Highlight start game button
					if (waveIndicator && waveIndicator.waveMarkers.length > 0) {
						var highlight = self.createHighlight();
						highlight.x = waveIndicator.waveMarkers[0].x + waveIndicator.x;
						highlight.y = waveIndicator.waveMarkers[0].y + waveIndicator.y;
					}
					break;
			}
		}
		// Set up action waiting
		if (step.waitForAction) {
			self.isWaitingForAction = true;
			self.expectedAction = step.action;
		}
	};
	self.startTutorial = function () {
		self.isActive = true;
		self.visible = true;
		self.currentStep = 0;
		self.showStep(0);
		// Position tutorial in center of screen
		tutorialContainer.x = 2048 / 2;
		tutorialContainer.y = 1400;
	};
	self.nextStep = function () {
		if (self.isWaitingForAction) return;
		self.currentStep++;
		self.showStep(self.currentStep);
	};
	self.prevStep = function () {
		if (self.currentStep > 0) {
			self.currentStep--;
			self.showStep(self.currentStep);
		}
	};
	self.endTutorial = function () {
		self.isActive = false;
		self.visible = false;
		self.removeHighlight();
		storage.tutorialCompleted = true;
		self.tutorialCompleted = true;
		// Auto-start the game after tutorial
		if (waveIndicator && !waveIndicator.gameStarted) {
			waveIndicator.gameStarted = true;
			currentWave = 0;
			waveTimer = nextWaveTime;
		}
		var notification = game.addChild(new Notification("Tutorial completed! Good luck, Commander!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 100;
	};
	self.checkActionCompleted = function (action) {
		if (!self.isWaitingForAction || self.expectedAction !== action) return;
		self.isWaitingForAction = false;
		self.expectedAction = null;
		// Show next button and auto-advance after delay
		nextButton.visible = true;
		LK.setTimeout(function () {
			if (self.isActive && !self.isWaitingForAction) {
				self.nextStep();
			}
		}, 1500);
	};
	nextButton.down = function () {
		self.nextStep();
	};
	skipButton.down = function () {
		self.endTutorial();
	};
	prevButton.down = function () {
		self.prevStep();
	};
	self.visible = false;
	return self;
});
var UpgradeMenu = Container.expand(function (tower) {
	var self = Container.call(this);
	self.tower = tower;
	self.y = 2732 + 225;
	var menuBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBackground.width = 2048;
	menuBackground.height = 500;
	menuBackground.tint = 0x444444;
	menuBackground.alpha = 0.9;
	var towerTypeText = new Text2(self.tower.id.charAt(0).toUpperCase() + self.tower.id.slice(1) + ' Tower', {
		size: 80,
		fill: 0xFFFFFF,
		weight: 800
	});
	towerTypeText.anchor.set(0, 0);
	towerTypeText.x = -840;
	towerTypeText.y = -160;
	self.addChild(towerTypeText);
	var statsText = new Text2('Level: ' + self.tower.level + '/' + self.tower.maxLevel + '\nDamage: ' + self.tower.damage + '\nFire Rate: ' + (60 / self.tower.fireRate).toFixed(1) + '/s', {
		size: 70,
		fill: 0xE0E0E0,
		weight: 400
	});
	statsText.anchor.set(0, 0.5);
	statsText.x = -840;
	statsText.y = 50;
	self.addChild(statsText);
	var buttonsContainer = new Container();
	buttonsContainer.x = 500;
	self.addChild(buttonsContainer);
	var upgradeButton = new Container();
	buttonsContainer.addChild(upgradeButton);
	var buttonBackground = upgradeButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	buttonBackground.width = 500;
	buttonBackground.height = 150;
	var isMaxLevel = self.tower.level >= self.tower.maxLevel;
	// Exponential upgrade cost: base cost * (2 ^ (level-1)), scaled by tower base cost
	var baseUpgradeCost = getTowerCost(self.tower.id);
	var upgradeCost;
	if (isMaxLevel) {
		upgradeCost = 0;
	} else if (self.tower.level === self.tower.maxLevel - 1) {
		upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1) * 3.5 / 2);
	} else {
		upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1));
	}
	buttonBackground.tint = isMaxLevel ? 0x888888 : gold >= upgradeCost ? 0x00AA00 : 0x888888;
	var buttonText = new Text2(isMaxLevel ? 'Max Level' : 'Upgrade: ' + upgradeCost + ' gold', {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800
	});
	buttonText.anchor.set(0.5, 0.5);
	upgradeButton.addChild(buttonText);
	var sellButton = new Container();
	buttonsContainer.addChild(sellButton);
	var sellButtonBackground = sellButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	sellButtonBackground.width = 500;
	sellButtonBackground.height = 150;
	sellButtonBackground.tint = 0xCC0000;
	var totalInvestment = self.tower.getTotalValue ? self.tower.getTotalValue() : 0;
	var sellValue = getTowerSellValue(totalInvestment);
	var sellButtonText = new Text2('Sell: +' + sellValue + ' gold', {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800
	});
	sellButtonText.anchor.set(0.5, 0.5);
	sellButton.addChild(sellButtonText);
	upgradeButton.y = -85;
	sellButton.y = 85;
	var closeButton = new Container();
	self.addChild(closeButton);
	var closeBackground = closeButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeBackground.width = 90;
	closeBackground.height = 90;
	closeBackground.tint = 0xAA0000;
	var closeText = new Text2('X', {
		size: 68,
		fill: 0xFFFFFF,
		weight: 800
	});
	closeText.anchor.set(0.5, 0.5);
	closeButton.addChild(closeText);
	closeButton.x = menuBackground.width / 2 - 57;
	closeButton.y = -menuBackground.height / 2 + 57;
	upgradeButton.down = function (x, y, obj) {
		if (self.tower.level >= self.tower.maxLevel) {
			var notification = game.addChild(new Notification("Tower is already at max level!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			return;
		}
		if (self.tower.upgrade()) {
			// Exponential upgrade cost: base cost * (2 ^ (level-1)), scaled by tower base cost
			var baseUpgradeCost = getTowerCost(self.tower.id);
			if (self.tower.level >= self.tower.maxLevel) {
				upgradeCost = 0;
			} else if (self.tower.level === self.tower.maxLevel - 1) {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1) * 3.5 / 2);
			} else {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1));
			}
			statsText.setText('Level: ' + self.tower.level + '/' + self.tower.maxLevel + '\nDamage: ' + self.tower.damage + '\nFire Rate: ' + (60 / self.tower.fireRate).toFixed(1) + '/s');
			buttonText.setText('Upgrade: ' + upgradeCost + ' gold');
			var totalInvestment = self.tower.getTotalValue ? self.tower.getTotalValue() : 0;
			var sellValue = Math.floor(totalInvestment * 0.6);
			sellButtonText.setText('Sell: +' + sellValue + ' gold');
			if (self.tower.level >= self.tower.maxLevel) {
				buttonBackground.tint = 0x888888;
				buttonText.setText('Max Level');
			}
			var rangeCircle = null;
			for (var i = 0; i < game.children.length; i++) {
				if (game.children[i].isTowerRange && game.children[i].tower === self.tower) {
					rangeCircle = game.children[i];
					break;
				}
			}
			if (rangeCircle) {
				var rangeGraphics = rangeCircle.children[0];
				rangeGraphics.width = rangeGraphics.height = self.tower.getRange() * 2;
			} else {
				var newRangeIndicator = new Container();
				newRangeIndicator.isTowerRange = true;
				newRangeIndicator.tower = self.tower;
				game.addChildAt(newRangeIndicator, 0);
				newRangeIndicator.x = self.tower.x;
				newRangeIndicator.y = self.tower.y;
				var rangeGraphics = newRangeIndicator.attachAsset('rangeCircle', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				rangeGraphics.width = rangeGraphics.height = self.tower.getRange() * 2;
				rangeGraphics.alpha = 0.3;
			}
			tween(self, {
				scaleX: 1.05,
				scaleY: 1.05
			}, {
				duration: 100,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(self, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 100,
						easing: tween.easeIn
					});
				}
			});
		}
	};
	sellButton.down = function (x, y, obj) {
		var totalInvestment = self.tower.getTotalValue ? self.tower.getTotalValue() : 0;
		var sellValue = getTowerSellValue(totalInvestment);
		setGold(gold + sellValue);
		var notification = game.addChild(new Notification("Tower sold for " + sellValue + " gold!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		var gridX = self.tower.gridX;
		var gridY = self.tower.gridY;
		for (var i = 0; i < 2; i++) {
			for (var j = 0; j < 2; j++) {
				var cell = grid.getCell(gridX + i, gridY + j);
				if (cell) {
					cell.type = 0;
					var towerIndex = cell.towersInRange.indexOf(self.tower);
					if (towerIndex !== -1) {
						cell.towersInRange.splice(towerIndex, 1);
					}
				}
			}
		}
		if (selectedTower === self.tower) {
			selectedTower = null;
		}
		var towerIndex = towers.indexOf(self.tower);
		if (towerIndex !== -1) {
			towers.splice(towerIndex, 1);
		}
		towerLayer.removeChild(self.tower);
		grid.pathFind();
		grid.renderDebug();
		self.destroy();
		for (var i = 0; i < game.children.length; i++) {
			if (game.children[i].isTowerRange && game.children[i].tower === self.tower) {
				game.removeChild(game.children[i]);
				break;
			}
		}
	};
	closeButton.down = function (x, y, obj) {
		hideUpgradeMenu(self);
		selectedTower = null;
		grid.renderDebug();
	};
	self.update = function () {
		if (self.tower.level >= self.tower.maxLevel) {
			if (buttonText.text !== 'Max Level') {
				buttonText.setText('Max Level');
				buttonBackground.tint = 0x888888;
			}
			return;
		}
		// Exponential upgrade cost: base cost * (2 ^ (level-1)), scaled by tower base cost
		var baseUpgradeCost = getTowerCost(self.tower.id);
		var currentUpgradeCost;
		if (self.tower.level >= self.tower.maxLevel) {
			currentUpgradeCost = 0;
		} else if (self.tower.level === self.tower.maxLevel - 1) {
			currentUpgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1) * 3.5 / 2);
		} else {
			currentUpgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1));
		}
		var canAfford = gold >= currentUpgradeCost;
		buttonBackground.tint = canAfford ? 0x00AA00 : 0x888888;
		var newText = 'Upgrade: ' + currentUpgradeCost + ' gold';
		if (buttonText.text !== newText) {
			buttonText.setText(newText);
		}
	};
	return self;
});
var WaveIndicator = Container.expand(function () {
	var self = Container.call(this);
	self.gameStarted = false;
	self.waveMarkers = [];
	self.waveTypes = [];
	self.enemyCounts = [];
	self.indicatorWidth = 0;
	self.lastBossType = null; // Track the last boss type to avoid repeating
	var blockWidth = 400;
	var totalBlocksWidth = blockWidth * totalWaves;
	var startMarker = new Container();
	var startBlock = startMarker.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	startBlock.width = blockWidth - 10;
	startBlock.height = 70 * 2;
	startBlock.tint = 0x00AA00;
	// Add shadow for start text
	var startTextShadow = new Text2("Start Game", {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	startTextShadow.anchor.set(0.5, 0.5);
	startTextShadow.x = 4;
	startTextShadow.y = 4;
	startMarker.addChild(startTextShadow);
	var startText = new Text2("Start Game", {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	startText.anchor.set(0.5, 0.5);
	startMarker.addChild(startText);
	startMarker.x = -self.indicatorWidth;
	self.addChild(startMarker);
	self.waveMarkers.push(startMarker);
	startMarker.down = function () {
		if (!self.gameStarted) {
			self.gameStarted = true;
			currentWave = 0;
			waveTimer = nextWaveTime;
			startBlock.tint = 0x00FF00;
			startText.setText("Started!");
			startTextShadow.setText("Started!");
			// Make sure shadow position remains correct after text change
			startTextShadow.x = 4;
			startTextShadow.y = 4;
			// Tutorial action tracking
			if (tutorialSystem && tutorialSystem.isActive) {
				tutorialSystem.checkActionCompleted('startGame');
			}
			var notification = game.addChild(new Notification("Game started! Wave 1 incoming!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 150;
			// Play wave start sound
			LK.getSound('waveStart').play();
		}
	};
	for (var i = 0; i < totalWaves; i++) {
		var marker = new Container();
		var block = marker.attachAsset('notification', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		block.width = blockWidth - 10;
		block.height = 70 * 2;
		// --- Begin new unified wave logic ---
		var waveType = "normal";
		var enemyType = "normal";
		var enemyCount = 10;
		var isBossWave = (i + 1) % 10 === 0;
		// Ensure all types appear in early waves
		if (i === 0) {
			block.tint = 0xAAAAAA;
			waveType = "Normal";
			enemyType = "normal";
			enemyCount = 10;
		} else if (i === 1) {
			block.tint = 0x00AAFF;
			waveType = "Fast";
			enemyType = "fast";
			enemyCount = 10;
		} else if (i === 2) {
			block.tint = 0xAA0000;
			waveType = "Immune";
			enemyType = "immune";
			enemyCount = 10;
		} else if (i === 3) {
			block.tint = 0xFFFF00;
			waveType = "Flying";
			enemyType = "flying";
			enemyCount = 10;
		} else if (i === 4) {
			block.tint = 0xFF00FF;
			waveType = "Swarm";
			enemyType = "swarm";
			enemyCount = 30;
		} else if (isBossWave) {
			// Boss waves: cycle through all boss types, last boss is always flying
			var bossTypes = ['normal', 'fast', 'immune', 'flying'];
			var bossTypeIndex = Math.floor((i + 1) / 10) - 1;
			if (i === totalWaves - 1) {
				// Last boss is always flying
				enemyType = 'flying';
				waveType = "Boss Flying";
				block.tint = 0xFFFF00;
			} else {
				enemyType = bossTypes[bossTypeIndex % bossTypes.length];
				switch (enemyType) {
					case 'normal':
						block.tint = 0xAAAAAA;
						waveType = "Boss Normal";
						break;
					case 'fast':
						block.tint = 0x00AAFF;
						waveType = "Boss Fast";
						break;
					case 'immune':
						block.tint = 0xAA0000;
						waveType = "Boss Immune";
						break;
					case 'flying':
						block.tint = 0xFFFF00;
						waveType = "Boss Flying";
						break;
				}
			}
			enemyCount = 1;
			// Make the wave indicator for boss waves stand out
			// Set boss wave color to the color of the wave type
			switch (enemyType) {
				case 'normal':
					block.tint = 0xAAAAAA;
					break;
				case 'fast':
					block.tint = 0x00AAFF;
					break;
				case 'immune':
					block.tint = 0xAA0000;
					break;
				case 'flying':
					block.tint = 0xFFFF00;
					break;
				default:
					block.tint = 0xFF0000;
					break;
			}
		} else if ((i + 1) % 5 === 0) {
			// Every 5th non-boss wave is fast
			block.tint = 0x00AAFF;
			waveType = "Fast";
			enemyType = "fast";
			enemyCount = 10;
		} else if ((i + 1) % 4 === 0) {
			// Every 4th non-boss wave is immune
			block.tint = 0xAA0000;
			waveType = "Immune";
			enemyType = "immune";
			enemyCount = 10;
		} else if ((i + 1) % 7 === 0) {
			// Every 7th non-boss wave is flying
			block.tint = 0xFFFF00;
			waveType = "Flying";
			enemyType = "flying";
			enemyCount = 10;
		} else if ((i + 1) % 3 === 0) {
			// Every 3rd non-boss wave is swarm
			block.tint = 0xFF00FF;
			waveType = "Swarm";
			enemyType = "swarm";
			enemyCount = 30;
		} else {
			block.tint = 0xAAAAAA;
			waveType = "Normal";
			enemyType = "normal";
			enemyCount = 10;
		}
		// --- End new unified wave logic ---
		// Mark boss waves with a special visual indicator
		if (isBossWave && enemyType !== 'swarm') {
			// Add a crown or some indicator to the wave marker for boss waves
			var bossIndicator = marker.attachAsset('towerLevelIndicator', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			bossIndicator.width = 30;
			bossIndicator.height = 30;
			bossIndicator.tint = 0xFFD700; // Gold color
			bossIndicator.y = -block.height / 2 - 15;
			// Change the wave type text to indicate boss
			waveType = "BOSS";
		}
		// Store the wave type and enemy count
		self.waveTypes[i] = enemyType;
		self.enemyCounts[i] = enemyCount;
		// Add shadow for wave type - 30% smaller than before
		var waveTypeShadow = new Text2(waveType, {
			size: 56,
			fill: 0x000000,
			weight: 800
		});
		waveTypeShadow.anchor.set(0.5, 0.5);
		waveTypeShadow.x = 3;
		waveTypeShadow.y = 3;
		marker.addChild(waveTypeShadow);
		// Add wave type text - 30% smaller than before
		var waveTypeText = new Text2(waveType, {
			size: 56,
			fill: 0xFFFFFF,
			weight: 800
		});
		waveTypeText.anchor.set(0.5, 0.5);
		waveTypeText.y = 0;
		marker.addChild(waveTypeText);
		// Add shadow for wave number - 20% larger than before
		var waveNumShadow = new Text2((i + 1).toString(), {
			size: 48,
			fill: 0x000000,
			weight: 800
		});
		waveNumShadow.anchor.set(1.0, 1.0);
		waveNumShadow.x = blockWidth / 2 - 16 + 5;
		waveNumShadow.y = block.height / 2 - 12 + 5;
		marker.addChild(waveNumShadow);
		// Main wave number text - 20% larger than before
		var waveNum = new Text2((i + 1).toString(), {
			size: 48,
			fill: 0xFFFFFF,
			weight: 800
		});
		waveNum.anchor.set(1.0, 1.0);
		waveNum.x = blockWidth / 2 - 16;
		waveNum.y = block.height / 2 - 12;
		marker.addChild(waveNum);
		marker.x = -self.indicatorWidth + (i + 1) * blockWidth;
		self.addChild(marker);
		self.waveMarkers.push(marker);
	}
	// Get wave type for a specific wave number
	self.getWaveType = function (waveNumber) {
		if (waveNumber < 1 || waveNumber > totalWaves) {
			return "normal";
		}
		// If this is a boss wave (waveNumber % 10 === 0), and the type is the same as lastBossType
		// then we should return a different boss type
		var waveType = self.waveTypes[waveNumber - 1];
		return waveType;
	};
	// Get enemy count for a specific wave number
	self.getEnemyCount = function (waveNumber) {
		if (waveNumber < 1 || waveNumber > totalWaves) {
			return 10;
		}
		return self.enemyCounts[waveNumber - 1];
	};
	// Get display name for a wave type
	self.getWaveTypeName = function (waveNumber) {
		var type = self.getWaveType(waveNumber);
		var typeName = type.charAt(0).toUpperCase() + type.slice(1);
		// Add boss prefix for boss waves (every 10th wave)
		if (waveNumber % 10 === 0 && waveNumber > 0 && type !== 'swarm') {
			typeName = "BOSS";
		}
		return typeName;
	};
	self.positionIndicator = new Container();
	var indicator = self.positionIndicator.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	indicator.width = blockWidth - 10;
	indicator.height = 16;
	indicator.tint = 0xffad0e;
	indicator.y = -65;
	var indicator2 = self.positionIndicator.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	indicator2.width = blockWidth - 10;
	indicator2.height = 16;
	indicator2.tint = 0xffad0e;
	indicator2.y = 65;
	var leftWall = self.positionIndicator.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	leftWall.width = 16;
	leftWall.height = 146;
	leftWall.tint = 0xffad0e;
	leftWall.x = -(blockWidth - 16) / 2;
	var rightWall = self.positionIndicator.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	rightWall.width = 16;
	rightWall.height = 146;
	rightWall.tint = 0xffad0e;
	rightWall.x = (blockWidth - 16) / 2;
	self.addChild(self.positionIndicator);
	self.update = function () {
		var progress = waveTimer / nextWaveTime;
		var moveAmount = (progress + currentWave) * blockWidth;
		for (var i = 0; i < self.waveMarkers.length; i++) {
			var marker = self.waveMarkers[i];
			marker.x = -moveAmount + i * blockWidth;
		}
		self.positionIndicator.x = 0;
		for (var i = 0; i < totalWaves + 1; i++) {
			var marker = self.waveMarkers[i];
			if (i === 0) {
				continue;
			}
			var block = marker.children[0];
			if (i - 1 < currentWave) {
				block.alpha = .5;
			}
		}
		self.handleWaveProgression = function () {
			if (!self.gameStarted) {
				return;
			}
			if (currentWave < totalWaves) {
				waveTimer++;
				if (waveTimer >= nextWaveTime) {
					waveTimer = 0;
					currentWave++;
					waveInProgress = true;
					waveSpawned = false;
					if (currentWave != 1) {
						var waveType = self.getWaveTypeName(currentWave);
						var enemyCount = self.getEnemyCount(currentWave);
						var notification = game.addChild(new Notification("Wave " + currentWave + " (" + waveType + " - " + enemyCount + " enemies) incoming!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 150;
					}
				}
			}
		};
		self.handleWaveProgression();
	};
	return self;
});
var Wormhole = Container.expand(function (x, y, targetX, targetY) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	self.targetX = targetX;
	self.targetY = targetY;
	self.radius = 90;
	self.isDestroyed = false;
	self.cooldown = 0;
	var wormholeGraphics = self.attachAsset('wormhole', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	wormholeGraphics.alpha = 0.7;
	wormholeGraphics.blendMode = 1; // Additive blending
	// Spinning animation
	tween(wormholeGraphics, {
		rotation: Math.PI * 2
	}, {
		duration: 3000,
		easing: tween.linear,
		onFinish: function onFinish() {
			if (!self.isDestroyed) {
				wormholeGraphics.rotation = 0;
			}
		}
	});
	// Create target wormhole visual
	self.targetWormhole = new Container();
	self.targetWormhole.x = targetX;
	self.targetWormhole.y = targetY;
	var targetGraphics = self.targetWormhole.attachAsset('wormhole', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	targetGraphics.alpha = 0.5;
	targetGraphics.tint = 0xFF1493; // Different color for exit
	targetGraphics.blendMode = 1;
	game.addChild(self.targetWormhole);
	// Sync rotation with main wormhole
	tween(targetGraphics, {
		rotation: -Math.PI * 2
	}, {
		duration: 3000,
		easing: tween.linear,
		onFinish: function onFinish() {
			if (!self.isDestroyed) {
				targetGraphics.rotation = 0;
			}
		}
	});
	self.update = function () {
		if (self.cooldown > 0) {
			self.cooldown--;
			return;
		}
		// Check for enemies within range
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			if (enemy.isFlying) continue; // Flying enemies ignore wormholes
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.radius) {
				// Teleport enemy
				self.teleportEnemy(enemy);
				self.cooldown = 180; // 3 second cooldown
				break;
			}
		}
	};
	self.teleportEnemy = function (enemy) {
		// Create teleport effect at source
		var sourceEffect = new Container();
		sourceEffect.x = self.x;
		sourceEffect.y = self.y;
		var sourceGraphics = sourceEffect.attachAsset('teleportEffect', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		sourceGraphics.tint = 0x9400D3;
		sourceGraphics.alpha = 0.8;
		game.addChild(sourceEffect);
		// Create teleport effect at destination
		var destEffect = new Container();
		destEffect.x = self.targetX;
		destEffect.y = self.targetY;
		var destGraphics = destEffect.attachAsset('teleportEffect', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		destGraphics.tint = 0xFF1493;
		destGraphics.alpha = 0.8;
		game.addChild(destEffect);
		// Animate effects
		tween(sourceEffect, {
			scaleX: 2,
			scaleY: 2,
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (sourceEffect.parent) {
					sourceEffect.parent.removeChild(sourceEffect);
				}
			}
		});
		tween(destEffect, {
			scaleX: 2,
			scaleY: 2,
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (destEffect.parent) {
					destEffect.parent.removeChild(destEffect);
				}
			}
		});
		// Teleport enemy
		enemy.x = self.targetX;
		enemy.y = self.targetY;
		enemy.currentCellX = Math.floor((self.targetX - grid.x) / CELL_SIZE);
		enemy.currentCellY = Math.floor((self.targetY - grid.y) / CELL_SIZE);
		enemy.cellX = Math.round(enemy.currentCellX);
		enemy.cellY = Math.round(enemy.currentCellY);
		enemy.currentTarget = null; // Reset pathfinding
		// Flash the wormhole
		tween(wormholeGraphics, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 1.0
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(wormholeGraphics, {
					scaleX: 1.0,
					scaleY: 1.0,
					alpha: 0.7
				}, {
					duration: 300,
					easing: tween.easeIn
				});
			}
		});
	};
	self.destroy = function () {
		if (self.isDestroyed) return;
		self.isDestroyed = true;
		// Remove target wormhole
		if (self.targetWormhole && self.targetWormhole.parent) {
			self.targetWormhole.parent.removeChild(self.targetWormhole);
		}
		var wormholeIndex = wormholes.indexOf(self);
		if (wormholeIndex !== -1) {
			wormholes.splice(wormholeIndex, 1);
		}
		tween.stop(self);
		if (self.parent) {
			self.parent.removeChild(self);
		}
		Container.prototype.destroy.call(self);
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000011
});

/**** 
* Game Code
****/ 
// Add background image
// Base tower structures for each type
// Tower gun/weapon parts - Level 1
// Tower gun/weapon parts - Level 2
// Tower gun/weapon parts - Level 3
// Tower gun/weapon parts - Level 4
// Tower gun/weapon parts - Level 5
// Tower gun/weapon parts - Level 6 (Max Level)
// Support structures and details
// Visual indicators
// Specialization visual elements
var backgroundImage = game.attachAsset('spaceBackground', {
	anchorX: 0.5,
	anchorY: 0.5
});
backgroundImage.x = 2048 / 2;
backgroundImage.y = 2732 / 2;
backgroundImage.alpha = 0.8;
var isHidingUpgradeMenu = false;
function hideUpgradeMenu(menu) {
	if (isHidingUpgradeMenu) {
		return;
	}
	isHidingUpgradeMenu = true;
	tween(menu, {
		y: 2732 + 225
	}, {
		duration: 150,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			menu.destroy();
			isHidingUpgradeMenu = false;
		}
	});
}
var CELL_SIZE = 76;
var pathId = 1;
var maxScore = 0;
var enemies = [];
var towers = [];
var bullets = [];
// Object pooling for bullets
var bulletPool = [];
var maxBulletPoolSize = 100;
function getBulletFromPool(startX, startY, targetEnemy, damage, speed) {
	var bullet;
	if (bulletPool.length > 0) {
		bullet = bulletPool.pop();
		// Reset bullet properties
		bullet.targetEnemy = targetEnemy;
		bullet.damage = damage || 10;
		bullet.speed = speed || 5;
		bullet.x = startX;
		bullet.y = startY;
		bullet.isDestroyed = false;
		bullet.visible = true;
		bullet.alpha = 1;
		if (bullet.children[0]) {
			bullet.children[0].alpha = 1;
			bullet.children[0].scaleX = 1;
			bullet.children[0].scaleY = 1;
		}
	} else {
		bullet = new Bullet(startX, startY, targetEnemy, damage, speed);
	}
	return bullet;
}
function returnBulletToPool(bullet) {
	if (bulletPool.length < maxBulletPoolSize && bullet.parent) {
		// Clean up target enemy reference properly
		if (bullet.targetEnemy && bullet.targetEnemy.bulletsTargetingThis) {
			var bulletIndex = bullet.targetEnemy.bulletsTargetingThis.indexOf(bullet);
			if (bulletIndex !== -1) {
				bullet.targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
			}
		}
		// Stop all tweens before pooling
		tween.stop(bullet);
		if (bullet.children && bullet.children[0]) {
			tween.stop(bullet.children[0]);
		}
		bullet.parent.removeChild(bullet);
		bullet.targetEnemy = null;
		bullet.visible = false;
		bulletPool.push(bullet);
	} else {
		bullet.destroy();
	}
}
var defenses = [];
var selectedTower = null;
var gold = 60; // Reduced starting gold to make early choices more meaningful
var lives = 20;
var score = 0;
var currentWave = 0;
var totalWaves = 50;
var waveTimer = 0;
var waveInProgress = false;
var waveSpawned = false;
var nextWaveTime = 12000 / 2;
var sourceTower = null;
// Hero system variables
var heroes = [];
var maxHeroes = 3;
var heroDeploymentMode = false;
var heroPreview = null;
var selectedHeroType = 'tank';
// Station customization variables
var stationCustomizer = null;
var researchLabs = [];
var shieldGenerators = [];
var teleporterNodes = [];
// Environmental hazards variables
var asteroids = [];
var nebulaClouds = [];
var solarFlares = [];
var wormholes = [];
var hazardTimer = 0;
var nextHazardTime = 1800; // 30 seconds at 60fps
// Branching routes system variables
var pathJunctions = [];
var alternativePaths = [];
var routeChoiceInfluences = [];
var pathDifficulties = {};
// Tower specialization variables
var specializationMenus = [];
var towerLinks = [];
// Ultimate ability variables
var activeUltimates = [];
var ultimateEffects = [];
// Load station data from storage
var stationData = storage.stationData || {
	modules: [],
	researchPoints: 0,
	completedTechs: []
};
// Initialize route visualizer
var routeVisualizer = new RouteVisualizer();
game.addChild(routeVisualizer);
// Initialize branching routes system
function initializeBranchingRoutes() {
	// Create main junction points in the middle area
	var mainJunction = new PathJunction(grid.x + 12 * CELL_SIZE, grid.y + 15 * CELL_SIZE, [{
		targetX: 10,
		targetY: 22,
		// Left branch - shorter but more defended
		isShortPath: true,
		pathLength: 8,
		towerDensity: 0,
		currentEnemyCount: 0,
		recentSwarmTraffic: 0,
		hasAntiAir: false,
		difficulty: 20
	}, {
		targetX: 14,
		targetY: 22,
		// Right branch - longer but less defended  
		isShortPath: false,
		pathLength: 12,
		towerDensity: 0,
		currentEnemyCount: 0,
		recentSwarmTraffic: 0,
		hasAntiAir: false,
		difficulty: 15
	}]);
	// Secondary junction for more complex routing
	var secondaryJunction = new PathJunction(grid.x + 8 * CELL_SIZE, grid.y + 12 * CELL_SIZE, [{
		targetX: 6,
		targetY: 18,
		// Far left route
		isShortPath: false,
		pathLength: 15,
		towerDensity: 0,
		currentEnemyCount: 0,
		recentSwarmTraffic: 0,
		hasAntiAir: false,
		difficulty: 25
	}, {
		targetX: 12,
		targetY: 15,
		// Center route to main junction
		isShortPath: true,
		pathLength: 6,
		towerDensity: 0,
		currentEnemyCount: 0,
		recentSwarmTraffic: 0,
		hasAntiAir: false,
		difficulty: 30
	}]);
	game.addChild(mainJunction);
	game.addChild(secondaryJunction);
	pathJunctions.push(mainJunction);
	pathJunctions.push(secondaryJunction);
	var notification = game.addChild(new Notification("🔀 Multi-path routing system activated! 🔀"));
	notification.x = 2048 / 2;
	notification.y = grid.height - 150;
}
// Initialize the branching system after a short delay
LK.setTimeout(function () {
	initializeBranchingRoutes();
}, 2000);
function getModuleCost(moduleType, level) {
	var baseCosts = {
		research: 50,
		shield: 75,
		teleporter: 100
	};
	var baseCost = baseCosts[moduleType] || 50;
	return Math.floor(baseCost * Math.pow(1.5, level - 1));
}
function getTechnology(techId) {
	var technologies = {
		'tower_damage': {
			id: 'tower_damage',
			name: 'Enhanced Weapons',
			cost: 100,
			onComplete: function onComplete() {
				// Increase all tower damage by 20%
				for (var i = 0; i < towers.length; i++) {
					towers[i].damage = Math.floor(towers[i].damage * 1.2);
				}
			}
		},
		'tower_range': {
			id: 'tower_range',
			name: 'Extended Range',
			cost: 150,
			onComplete: function onComplete() {
				// Increase all tower ranges
				for (var i = 0; i < towers.length; i++) {
					towers[i].refreshCellsInRange();
				}
			}
		},
		'shield_efficiency': {
			id: 'shield_efficiency',
			name: 'Shield Efficiency',
			cost: 200,
			onComplete: function onComplete() {
				// Reduce shield energy costs
				for (var i = 0; i < shieldGenerators.length; i++) {
					shieldGenerators[i].maxShieldEnergy *= 1.5;
					shieldGenerators[i].shieldEnergy = shieldGenerators[i].maxShieldEnergy;
				}
			}
		}
	};
	return technologies[techId];
}
// Spatial partitioning for collision optimization
var spatialGrid = {
	cellSize: CELL_SIZE * 2,
	cells: {},
	getKey: function getKey(x, y) {
		var gridX = Math.floor(x / this.cellSize);
		var gridY = Math.floor(y / this.cellSize);
		return gridX + ',' + gridY;
	},
	addEnemy: function addEnemy(enemy) {
		var key = this.getKey(enemy.x, enemy.y);
		if (!this.cells[key]) this.cells[key] = [];
		this.cells[key].push(enemy);
	},
	removeEnemy: function removeEnemy(enemy) {
		var key = this.getKey(enemy.x, enemy.y);
		if (this.cells[key]) {
			var index = this.cells[key].indexOf(enemy);
			if (index !== -1) {
				this.cells[key].splice(index, 1);
			}
		}
	},
	getNearbyEnemies: function getNearbyEnemies(x, y, range) {
		var nearby = [];
		var checkRadius = Math.ceil(range / this.cellSize);
		var centerX = Math.floor(x / this.cellSize);
		var centerY = Math.floor(y / this.cellSize);
		for (var dx = -checkRadius; dx <= checkRadius; dx++) {
			for (var dy = -checkRadius; dy <= checkRadius; dy++) {
				var key = centerX + dx + ',' + (centerY + dy);
				if (this.cells[key]) {
					nearby = nearby.concat(this.cells[key]);
				}
			}
		}
		return nearby;
	},
	clear: function clear() {
		this.cells = {};
	}
};
var enemiesToSpawn = 10; // Default number of enemies per wave
// Visual effects limiting
var activeEffects = [];
var maxActiveEffects = 20;
var effectSkipCounter = 0;
function canCreateEffect() {
	// Count active effects and remove destroyed ones
	activeEffects = activeEffects.filter(function (effect) {
		return effect.parent && !effect.isDestroyed;
	});
	// Limit based on performance
	if (activeEffects.length >= maxActiveEffects) {
		effectSkipCounter++;
		// Skip every other effect when at limit
		return effectSkipCounter % 2 === 0;
	}
	return true;
}
function registerEffect(effect) {
	if (activeEffects.length < maxActiveEffects) {
		activeEffects.push(effect);
	}
}
var goldText = new Text2('Gold: ' + gold, {
	size: 60,
	fill: 0xFFD700,
	weight: 800
});
goldText.anchor.set(0.5, 0.5);
var livesText = new Text2('Lives: ' + lives, {
	size: 60,
	fill: 0x00FF00,
	weight: 800
});
livesText.anchor.set(0.5, 0.5);
var scoreText = new Text2('Score: ' + score, {
	size: 60,
	fill: 0xFF0000,
	weight: 800
});
scoreText.anchor.set(0.5, 0.5);
var topMargin = 50;
var centerX = 2048 / 2;
var spacing = 400;
LK.gui.top.addChild(goldText);
LK.gui.top.addChild(livesText);
LK.gui.top.addChild(scoreText);
livesText.x = 0;
livesText.y = topMargin;
goldText.x = -spacing;
goldText.y = topMargin;
scoreText.x = spacing;
scoreText.y = topMargin;
function updateUI() {
	goldText.setText('Gold: ' + gold);
	livesText.setText('Lives: ' + lives);
	scoreText.setText('Score: ' + score);
}
function setGold(value) {
	gold = value;
	updateUI();
}
// Performance monitoring and adaptive logic
var performanceMonitor = {
	frameTime: 16.67,
	// Target 60 FPS
	lastTime: 0,
	avgFrameTime: 16.67,
	frameCount: 0,
	performanceLevel: 1.0,
	// 1.0 = full performance, 0.5 = half performance
	update: function update() {
		var currentTime = Date.now();
		if (this.lastTime > 0) {
			var deltaTime = currentTime - this.lastTime;
			this.avgFrameTime = this.avgFrameTime * 0.9 + deltaTime * 0.1;
			// Adjust performance level based on frame time
			if (this.avgFrameTime > 25) {
				// Below 40 FPS
				this.performanceLevel = Math.max(0.3, this.performanceLevel - 0.1);
			} else if (this.avgFrameTime < 18) {
				// Above 55 FPS
				this.performanceLevel = Math.min(1.0, this.performanceLevel + 0.05);
			}
		}
		this.lastTime = currentTime;
		this.frameCount++;
	},
	shouldSkipUpdate: function shouldSkipUpdate() {
		return Math.random() > this.performanceLevel;
	}
};
// Memory monitoring system
var memoryMonitor = {
	lastEnemyCount: 0,
	lastBulletCount: 0,
	lastTowerCount: 0,
	lastEffectCount: 0,
	update: function update() {
		// Track object counts for memory leak detection
		this.lastEnemyCount = enemies.length;
		this.lastBulletCount = bullets.length;
		this.lastTowerCount = towers.length;
		this.lastEffectCount = activeEffects.length;
		// Log warnings if counts are unexpectedly high
		if (this.lastEnemyCount > 100) {
			console.warn("High enemy count detected:", this.lastEnemyCount);
		}
		if (this.lastBulletCount > 200) {
			console.warn("High bullet count detected:", this.lastBulletCount);
		}
		if (this.lastEffectCount > 50) {
			console.warn("High effect count detected:", this.lastEffectCount);
		}
	},
	forceCleanup: function forceCleanup() {
		// Emergency cleanup when memory usage is too high
		console.log("Performing emergency cleanup...");
		// Clean up destroyed effects
		activeEffects = activeEffects.filter(function (effect) {
			return effect.parent && !effect.isDestroyed;
		});
		// Clean up orphaned bullets
		for (var i = bullets.length - 1; i >= 0; i--) {
			if (!bullets[i].parent || bullets[i].isDestroyed) {
				bullets.splice(i, 1);
			}
		}
		// Clean up bullet pool
		bulletPool = bulletPool.filter(function (bullet) {
			return !bullet.isDestroyed;
		});
		console.log("Cleanup complete. Objects remaining:", {
			enemies: enemies.length,
			bullets: bullets.length,
			towers: towers.length,
			effects: activeEffects.length,
			pooledBullets: bulletPool.length
		});
	}
};
var debugLayer = new Container();
var towerLayer = new Container();
// Create three separate layers for enemy hierarchy
var enemyLayerBottom = new Container(); // For normal enemies
var enemyLayerMiddle = new Container(); // For shadows
var enemyLayerTop = new Container(); // For flying enemies
var enemyLayer = new Container(); // Main container to hold all enemy layers
// Add layers in correct order (bottom first, then middle for shadows, then top)
enemyLayer.addChild(enemyLayerBottom);
enemyLayer.addChild(enemyLayerMiddle);
enemyLayer.addChild(enemyLayerTop);
var grid = new Grid(24, 29 + 6);
grid.x = 150;
grid.y = 200 - CELL_SIZE * 4;
grid.pathFind();
grid.renderDebug();
debugLayer.addChild(grid);
game.addChild(debugLayer);
game.addChild(towerLayer);
game.addChild(enemyLayer);
var offset = 0;
var towerPreview = new TowerPreview();
game.addChild(towerPreview);
towerPreview.visible = false;
var isDragging = false;
function wouldBlockPath(gridX, gridY) {
	var cells = [];
	for (var i = 0; i < 2; i++) {
		for (var j = 0; j < 2; j++) {
			var cell = grid.getCell(gridX + i, gridY + j);
			if (cell) {
				cells.push({
					cell: cell,
					originalType: cell.type
				});
				cell.type = 1;
			}
		}
	}
	var blocked = grid.pathFind();
	for (var i = 0; i < cells.length; i++) {
		cells[i].cell.type = cells[i].originalType;
	}
	grid.pathFind();
	grid.renderDebug();
	return blocked;
}
function getTowerCost(towerType) {
	var cost = 8; // Increased base cost from 5
	switch (towerType) {
		case 'rapid':
			cost = 12; // Reduced from 15 - cheaper early game tower
			break;
		case 'sniper':
			cost = 20; // Reduced from 25 for better accessibility
			break;
		case 'splash':
			cost = 28; // Reduced from 35
			break;
		case 'slow':
			cost = 32; // Reduced from 45 - utility tower should be accessible
			break;
		case 'poison':
			cost = 38; // Reduced from 55 - was too expensive
			break;
	}
	return cost;
}
function getTowerSellValue(totalValue) {
	return waveIndicator && waveIndicator.gameStarted ? Math.floor(totalValue * 0.6) : totalValue;
}
function placeTower(gridX, gridY, towerType) {
	var towerCost = getTowerCost(towerType);
	if (gold >= towerCost) {
		var tower = new Tower(towerType || 'default');
		tower.placeOnGrid(gridX, gridY);
		towerLayer.addChild(tower);
		towers.push(tower);
		setGold(gold - towerCost);
		grid.pathFind();
		grid.renderDebug();
		// Play tower placement sound
		LK.getSound('towerPlace').play();
		// Tutorial action tracking
		if (tutorialSystem && tutorialSystem.isActive) {
			if (towerType === 'default') {
				tutorialSystem.checkActionCompleted('buildTower');
			} else if (towerType === 'rapid') {
				tutorialSystem.checkActionCompleted('buildRapidTower');
			} else if (towerType === 'sniper') {
				tutorialSystem.checkActionCompleted('buildSniperTower');
			}
		}
		return true;
	} else {
		var notification = game.addChild(new Notification("Not enough gold!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		return false;
	}
}
game.down = function (x, y, obj) {
	// Handle hero deployment
	if (heroDeploymentMode) {
		// Check if tap is in valid deployment area (not on towers or paths)
		var deploymentValid = true;
		var gridX = Math.floor((x - grid.x) / CELL_SIZE);
		var gridY = Math.floor((y - grid.y) / CELL_SIZE);
		// Check if position is within grid bounds and not on blocked areas
		if (gridX < 2 || gridX >= 22 || gridY < 6 || gridY >= 25) {
			deploymentValid = false;
		} else {
			var cell = grid.getCell(gridX, gridY);
			if (!cell || cell.type !== 0) {
				deploymentValid = false;
			}
		}
		if (deploymentValid && heroes.length < maxHeroes) {
			var hero = new Hero(selectedHeroType);
			hero.x = x;
			hero.y = y;
			enemyLayerTop.addChild(hero); // Add heroes to top layer
			heroes.push(hero);
			updateHeroPanel();
			heroDeploymentMode = false;
			// Tutorial action tracking
			if (tutorialSystem && tutorialSystem.isActive) {
				tutorialSystem.checkActionCompleted('deployHero');
			}
			var notification = game.addChild(new Notification(selectedHeroType.charAt(0).toUpperCase() + selectedHeroType.slice(1) + " hero deployed!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			return;
		} else {
			var notification = game.addChild(new Notification("Cannot deploy hero here!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			heroDeploymentMode = false;
			return;
		}
	}
	var upgradeMenuVisible = game.children.some(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenuVisible) {
		return;
	}
	// Improved touch detection with larger hit areas for mobile
	var touchPadding = 40; // Extra padding for easier touch
	for (var i = 0; i < sourceTowers.length; i++) {
		var tower = sourceTowers[i];
		var hitArea = {
			left: tower.x - tower.width / 2 - touchPadding,
			right: tower.x + tower.width / 2 + touchPadding,
			top: tower.y - tower.height / 2 - touchPadding,
			bottom: tower.y + tower.height / 2 + touchPadding
		};
		if (x >= hitArea.left && x <= hitArea.right && y >= hitArea.top && y <= hitArea.bottom) {
			// Check if player can afford this tower
			if (gold >= getTowerCost(tower.towerType)) {
				towerPreview.visible = true;
				isDragging = true;
				towerPreview.towerType = tower.towerType;
				towerPreview.updateAppearance();
				// Improved drag offset for better mobile experience
				var dragOffsetY = CELL_SIZE * 2; // Larger offset to keep preview visible above finger
				towerPreview.snapToGrid(x, y - dragOffsetY);
				// Add immediate visual feedback with scaling animation
				tween(tower, {
					scaleX: 1.1,
					scaleY: 1.1
				}, {
					duration: 100,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(tower, {
							scaleX: 1.0,
							scaleY: 1.0
						}, {
							duration: 100,
							easing: tween.easeIn
						});
					}
				});
			} else {
				// Visual feedback for unaffordable towers
				tween(tower, {
					scaleX: 0.95,
					scaleY: 0.95,
					alpha: 0.7
				}, {
					duration: 150,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(tower, {
							scaleX: 1.0,
							scaleY: 1.0,
							alpha: 1.0
						}, {
							duration: 150,
							easing: tween.easeIn
						});
					}
				});
				var notification = game.addChild(new Notification("Not enough gold!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
			break;
		}
	}
};
game.move = function (x, y, obj) {
	if (isDragging) {
		// Shift the y position upward by 1.5 tiles to show preview above finger
		towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
	}
};
game.up = function (x, y, obj) {
	var clickedOnTower = false;
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		var towerLeft = tower.x - tower.width / 2;
		var towerRight = tower.x + tower.width / 2;
		var towerTop = tower.y - tower.height / 2;
		var towerBottom = tower.y + tower.height / 2;
		if (x >= towerLeft && x <= towerRight && y >= towerTop && y <= towerBottom) {
			clickedOnTower = true;
			break;
		}
	}
	var upgradeMenus = game.children.filter(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenus.length > 0 && !isDragging && !clickedOnTower) {
		var clickedOnMenu = false;
		for (var i = 0; i < upgradeMenus.length; i++) {
			var menu = upgradeMenus[i];
			var menuWidth = 2048;
			var menuHeight = 450;
			var menuLeft = menu.x - menuWidth / 2;
			var menuRight = menu.x + menuWidth / 2;
			var menuTop = menu.y - menuHeight / 2;
			var menuBottom = menu.y + menuHeight / 2;
			if (x >= menuLeft && x <= menuRight && y >= menuTop && y <= menuBottom) {
				clickedOnMenu = true;
				break;
			}
		}
		if (!clickedOnMenu) {
			for (var i = 0; i < upgradeMenus.length; i++) {
				var menu = upgradeMenus[i];
				hideUpgradeMenu(menu);
			}
			for (var i = game.children.length - 1; i >= 0; i--) {
				if (game.children[i].isTowerRange) {
					game.removeChild(game.children[i]);
				}
			}
			selectedTower = null;
			grid.renderDebug();
		}
	}
	if (isDragging) {
		isDragging = false;
		if (towerPreview.canPlace) {
			if (!wouldBlockPath(towerPreview.gridX, towerPreview.gridY)) {
				placeTower(towerPreview.gridX, towerPreview.gridY, towerPreview.towerType);
			} else {
				var notification = game.addChild(new Notification("Tower would block the path!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
		} else if (towerPreview.blockedByEnemy) {
			var notification = game.addChild(new Notification("Cannot build: Enemy in the way!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		} else if (towerPreview.visible) {
			var notification = game.addChild(new Notification("Cannot build here!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		}
		towerPreview.visible = false;
		if (isDragging) {
			var upgradeMenus = game.children.filter(function (child) {
				return child instanceof UpgradeMenu;
			});
			for (var i = 0; i < upgradeMenus.length; i++) {
				upgradeMenus[i].destroy();
			}
		}
	}
};
var waveIndicator = new WaveIndicator();
waveIndicator.x = 2048 / 2;
waveIndicator.y = 2732 - 80;
game.addChild(waveIndicator);
var nextWaveButtonContainer = new Container();
var nextWaveButton = new NextWaveButton();
nextWaveButton.x = 2048 - 200;
nextWaveButton.y = 2732 - 100 + 20;
nextWaveButtonContainer.addChild(nextWaveButton);
game.addChild(nextWaveButtonContainer);
var towerTypes = ['default', 'rapid', 'sniper', 'splash', 'slow', 'poison'];
var sourceTowers = [];
var towerSpacing = 300; // Increase spacing for larger towers
var startX = 2048 / 2 - towerTypes.length * towerSpacing / 2 + towerSpacing / 2;
var towerY = 2732 - CELL_SIZE * 3 - 90;
for (var i = 0; i < towerTypes.length; i++) {
	var tower = new SourceTower(towerTypes[i]);
	tower.x = startX + i * towerSpacing;
	tower.y = towerY;
	towerLayer.addChild(tower);
	sourceTowers.push(tower);
}
sourceTower = null;
// Initialize station customizer
stationCustomizer = new StationCustomizer();
stationCustomizer.x = 0;
stationCustomizer.y = 0;
game.addChild(stationCustomizer);
// Create station customization panel
var stationPanel = new Container();
var stationPanelBg = stationPanel.attachAsset('notification', {
	anchorX: 0.5,
	anchorY: 0.5
});
stationPanelBg.width = 400;
stationPanelBg.height = 100;
stationPanelBg.tint = 0x2E7D32;
stationPanelBg.alpha = 0.9;
var stationTitleText = new Text2("Station", {
	size: 50,
	fill: 0xFFFFFF,
	weight: 800
});
stationTitleText.anchor.set(0.5, 0.5);
stationTitleText.y = -15;
stationPanel.addChild(stationTitleText);
var customizeButton = new Container();
var customizeBg = customizeButton.attachAsset('heroAbilityIcon', {
	anchorX: 0.5,
	anchorY: 0.5
});
customizeBg.width = 80;
customizeBg.height = 40;
customizeBg.tint = 0x4CAF50;
customizeButton.y = 20;
var customizeText = new Text2("Customize", {
	size: 30,
	fill: 0xFFFFFF,
	weight: 600
});
customizeText.anchor.set(0.5, 0.5);
customizeButton.addChild(customizeText);
customizeButton.down = function () {
	stationCustomizer.toggleCustomizationMode();
};
stationPanel.addChild(customizeButton);
stationPanel.x = 2048 - 200; // Position on right side
stationPanel.y = 200; // Below the score display which is at y=50
game.addChild(stationPanel);
// Create hero deployment panel
var heroPanel = new Container();
var heroPanelBg = heroPanel.attachAsset('notification', {
	anchorX: 0.5,
	anchorY: 0.5
});
heroPanelBg.width = 800;
heroPanelBg.height = 120;
heroPanelBg.tint = 0x1A237E;
heroPanelBg.alpha = 0.9;
var heroTitleText = new Text2("Heroes (" + heroes.length + "/" + maxHeroes + ")", {
	size: 50,
	fill: 0xFFFFFF,
	weight: 800
});
heroTitleText.anchor.set(0.5, 0.5);
heroTitleText.y = -30;
heroPanel.addChild(heroTitleText);
// Hero type buttons
var heroTypes = ['tank', 'support', 'dps'];
var heroTypeButtons = [];
for (var i = 0; i < heroTypes.length; i++) {
	var heroButton = new Container();
	var buttonBg = heroButton.attachAsset('heroAbilityIcon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	switch (heroTypes[i]) {
		case 'tank':
			buttonBg.tint = 0x4CAF50;
			break;
		case 'support':
			buttonBg.tint = 0x2196F3;
			break;
		case 'dps':
			buttonBg.tint = 0xFF5722;
			break;
	}
	buttonBg.width = 80;
	buttonBg.height = 80;
	heroButton.heroType = heroTypes[i];
	heroButton.x = -240 + i * 120;
	heroButton.y = 10;
	heroButton.down = function () {
		if (heroes.length >= maxHeroes) {
			var notification = game.addChild(new Notification("Maximum heroes deployed!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
			return;
		}
		selectedHeroType = this.heroType;
		heroDeploymentMode = true;
		var notification = game.addChild(new Notification("Tap anywhere to deploy " + this.heroType + " hero"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
	};
	heroPanel.addChild(heroButton);
	heroTypeButtons.push(heroButton);
}
heroPanel.x = 2048 / 2;
heroPanel.y = 120;
game.addChild(heroPanel);
function updateHeroPanel() {
	heroTitleText.setText("Heroes (" + heroes.length + "/" + maxHeroes + ")");
}
enemiesToSpawn = 10;
// Initialize tutorial system for new players
var tutorialSystem = new TutorialSystem();
game.addChild(tutorialSystem);
// Start background music
LK.playMusic('bgMusic');
// Show tutorial automatically for new players
var hasSeenTutorial = storage.tutorialCompleted || false;
if (!hasSeenTutorial) {
	tutorialSystem.startTutorial();
}
// Add tutorial restart button for experienced players
var tutorialRestartButton = new Container();
var restartBg = tutorialRestartButton.attachAsset('notification', {
	anchorX: 0.5,
	anchorY: 0.5
});
restartBg.width = 200;
restartBg.height = 60;
restartBg.tint = 0x4A90E2;
restartBg.alpha = 0.9;
var restartText = new Text2("Tutorial", {
	size: 35,
	fill: 0xFFFFFF,
	weight: 600
});
restartText.anchor.set(0.5, 0.5);
tutorialRestartButton.addChild(restartText);
tutorialRestartButton.x = 150;
tutorialRestartButton.y = 2732 - 50;
tutorialRestartButton.down = function () {
	if (!tutorialSystem.isActive) {
		tutorialSystem.startTutorial();
	}
};
game.addChild(tutorialRestartButton);
game.update = function () {
	performanceMonitor.update();
	// Clear and rebuild spatial grid each frame for enemies
	spatialGrid.clear();
	for (var i = 0; i < enemies.length; i++) {
		spatialGrid.addEnemy(enemies[i]);
	}
	if (waveInProgress) {
		if (!waveSpawned) {
			waveSpawned = true;
			// Get wave type and enemy count from the wave indicator
			var waveType = waveIndicator.getWaveType(currentWave);
			var enemyCount = waveIndicator.getEnemyCount(currentWave);
			// Check if this is a boss wave
			var isBossWave = currentWave % 10 === 0 && currentWave > 0;
			if (isBossWave && waveType !== 'swarm') {
				// Boss waves have just 1 enemy regardless of what the wave indicator says
				enemyCount = 1;
				// Show boss announcement
				var notification = game.addChild(new Notification("⚠️ BOSS WAVE! ⚠️"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 200;
				// Play boss spawn sound
				LK.getSound('bossSpawn').play();
			}
			// Spawn the appropriate number of enemies
			for (var i = 0; i < enemyCount; i++) {
				var enemy = new Enemy(waveType);
				// Add enemy to the appropriate layer based on type
				if (enemy.isFlying) {
					// Add flying enemy to the top layer
					enemyLayerTop.addChild(enemy);
					// If it's a flying enemy, add its shadow to the middle layer
					if (enemy.shadow) {
						enemyLayerMiddle.addChild(enemy.shadow);
					}
				} else {
					// Add normal/ground enemies to the bottom layer
					enemyLayerBottom.addChild(enemy);
				}
				// Scale difficulty with wave number but don't apply to boss
				// as bosses already have their health multiplier
				// Use more balanced scaling that starts linear and becomes logarithmic
				var healthMultiplier;
				if (currentWave <= 10) {
					// Linear scaling for early waves
					healthMultiplier = 1 + (currentWave - 1) * 0.15; // 15% per wave for first 10 waves
				} else if (currentWave <= 25) {
					// Moderate scaling for mid waves
					healthMultiplier = 2.35 + (currentWave - 10) * 0.08; // Start at 2.35x, add 8% per wave
				} else {
					// Logarithmic scaling for late waves to prevent exponential growth
					healthMultiplier = 3.55 + Math.log(currentWave - 24) * 0.5; // Logarithmic growth
				}
				enemy.maxHealth = Math.round(enemy.maxHealth * healthMultiplier);
				enemy.health = enemy.maxHealth;
				// Increment speed slightly with wave number
				//enemy.speed = enemy.speed + currentWave * 0.002;
				// All enemy types now spawn in the middle 6 tiles at the top spacing
				var gridWidth = 24;
				var midPoint = Math.floor(gridWidth / 2); // 12
				// Find a column that isn't occupied by another enemy that's not yet in view
				var availableColumns = [];
				for (var col = midPoint - 3; col < midPoint + 3; col++) {
					var columnOccupied = false;
					// Check if any enemy is already in this column but not yet in view
					for (var e = 0; e < enemies.length; e++) {
						if (enemies[e].cellX === col && enemies[e].currentCellY < 4) {
							columnOccupied = true;
							break;
						}
					}
					if (!columnOccupied) {
						availableColumns.push(col);
					}
				}
				// If all columns are occupied, use original random method
				var spawnX;
				if (availableColumns.length > 0) {
					// Choose a random unoccupied column
					spawnX = availableColumns[Math.floor(Math.random() * availableColumns.length)];
				} else {
					// Fallback to random if all columns are occupied
					spawnX = midPoint - 3 + Math.floor(Math.random() * 6); // x from 9 to 14
				}
				var spawnY = -1 - Math.random() * 5; // Random distance above the grid for spreading
				enemy.cellX = spawnX;
				enemy.cellY = 5; // Position after entry
				enemy.currentCellX = spawnX;
				enemy.currentCellY = spawnY;
				enemy.waveNumber = currentWave;
				enemies.push(enemy);
			}
		}
		var currentWaveEnemiesRemaining = false;
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i].waveNumber === currentWave) {
				currentWaveEnemiesRemaining = true;
				break;
			}
		}
		if (waveSpawned && !currentWaveEnemiesRemaining) {
			waveInProgress = false;
			waveSpawned = false;
		}
	}
	// Update heroes
	for (var i = heroes.length - 1; i >= 0; i--) {
		var hero = heroes[i];
		if (hero.health <= 0) {
			// Hero defeated - remove from play but don't reset progression
			var notification = game.addChild(new Notification(hero.heroType.charAt(0).toUpperCase() + hero.heroType.slice(1) + " hero defeated!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 100;
			hero.destroy();
			heroes.splice(i, 1);
			updateHeroPanel();
			continue;
		}
		hero.update();
	}
	for (var a = enemies.length - 1; a >= 0; a--) {
		var enemy = enemies[a];
		// Skip some enemy updates when performance is poor
		if (performanceMonitor.shouldSkipUpdate() && enemy.health > 0) {
			continue;
		}
		// Handle hero targeting for enemies
		if (enemy.heroTarget && enemy.heroTarget.parent && enemy.heroTarget.health > 0) {
			if (enemy.heroTargetDuration > 0) {
				enemy.heroTargetDuration--;
				// Move towards hero instead of following path
				var dx = enemy.heroTarget.x - enemy.x;
				var dy = enemy.heroTarget.y - enemy.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance > CELL_SIZE * 0.5) {
					var angle = Math.atan2(dy, dx);
					enemy.x += Math.cos(angle) * enemy.speed * 30;
					enemy.y += Math.sin(angle) * enemy.speed * 30;
				} else {
					// Attack hero
					enemy.heroTarget.health -= 10;
					if (enemy.heroTarget.health <= 0) {
						enemy.heroTarget.health = 0;
					}
				}
				continue; // Skip normal pathfinding
			} else {
				enemy.heroTarget = null;
				enemy.heroTargetDuration = 0;
			}
		} else {
			enemy.heroTarget = null;
			enemy.heroTargetDuration = 0;
		}
		if (enemy.health <= 0) {
			// Improved gold rewards that scale better with difficulty
			var goldEarned;
			if (enemy.isBoss) {
				// Boss gold scales more reasonably: 25 base + 3 per wave
				goldEarned = Math.floor(25 + (enemy.waveNumber - 1) * 3);
			} else {
				// Regular enemy gold: better scaling for later waves
				if (enemy.waveNumber <= 10) {
					goldEarned = Math.floor(2 + (enemy.waveNumber - 1) * 0.3); // 2-4.7 gold for waves 1-10
				} else if (enemy.waveNumber <= 25) {
					goldEarned = Math.floor(4.7 + (enemy.waveNumber - 10) * 0.4); // 4.7-10.7 gold for waves 11-25
				} else {
					goldEarned = Math.floor(10.7 + (enemy.waveNumber - 25) * 0.2); // Slower growth for late waves
				}
			}
			// Bonus gold for enemies who took difficult routes
			if (enemy.chosenBranch && enemy.chosenBranch.difficulty > 50) {
				var routeBonus = Math.floor(goldEarned * 0.3);
				goldEarned += routeBonus;
				if (routeBonus > 0) {
					var notification = game.addChild(new Notification("Route bonus: +" + routeBonus + " gold!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 200;
				}
			}
			var goldIndicator = new GoldIndicator(goldEarned, enemy.x, enemy.y);
			game.addChild(goldIndicator);
			setGold(gold + goldEarned);
			// Give more score for defeating a boss
			var scoreValue = enemy.isBoss ? 100 : 5;
			score += scoreValue;
			// Add a notification for boss defeat
			if (enemy.isBoss) {
				var notification = game.addChild(new Notification("Boss defeated! +" + goldEarned + " gold!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 150;
			}
			updateUI();
			// Use proper destroy method for comprehensive cleanup
			enemy.destroy();
			continue;
		}
		if (grid.updateEnemy(enemy)) {
			// Check if shields are active
			var shieldsActive = false;
			for (var s = 0; s < stationCustomizer.modules.length; s++) {
				var module = stationCustomizer.modules[s];
				if (module.moduleType === 'shield' && module.shieldActive) {
					shieldsActive = true;
					break;
				}
			}
			if (shieldsActive) {
				// Shields absorb damage
				var notification = game.addChild(new Notification("Enemy blocked by shields!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			} else {
				lives = Math.max(0, lives - 1);
				updateUI();
				if (lives <= 0) {
					// Play game over sound
					LK.getSound('gameOver').play();
					LK.showGameOver();
				}
			}
			// Use proper destroy method for comprehensive cleanup
			enemy.destroy();
		}
	}
	for (var i = bullets.length - 1; i >= 0; i--) {
		if (!bullets[i].parent) {
			if (bullets[i].targetEnemy) {
				var targetEnemy = bullets[i].targetEnemy;
				var bulletIndex = targetEnemy.bulletsTargetingThis.indexOf(bullets[i]);
				if (bulletIndex !== -1) {
					targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
				}
			}
			bullets.splice(i, 1);
		}
	}
	// Limit bullet count when performance drops
	if (performanceMonitor.performanceLevel < 0.7 && bullets.length > 50) {
		// Remove oldest bullets when performance is poor
		var bulletsToRemove = Math.min(10, bullets.length - 30);
		for (var i = 0; i < bulletsToRemove; i++) {
			var oldBullet = bullets[i];
			if (oldBullet.targetEnemy) {
				var bulletIndex = oldBullet.targetEnemy.bulletsTargetingThis.indexOf(oldBullet);
				if (bulletIndex !== -1) {
					oldBullet.targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
				}
			}
			returnBulletToPool(oldBullet);
			bullets.splice(i, 1);
			i--; // Adjust index after removal
			bulletsToRemove--;
		}
	}
	if (towerPreview.visible) {
		towerPreview.checkPlacement();
	}
	// Update station customizer
	if (stationCustomizer) {
		stationCustomizer.update();
		// Update module arrays for quick access
		researchLabs = stationCustomizer.modules.filter(function (m) {
			return m.moduleType === 'research';
		});
		shieldGenerators = stationCustomizer.modules.filter(function (m) {
			return m.moduleType === 'shield';
		});
		teleporterNodes = stationCustomizer.modules.filter(function (m) {
			return m.moduleType === 'teleporter';
		});
		// Link teleporter nodes
		for (var i = 0; i < teleporterNodes.length; i++) {
			teleporterNodes[i].linkedNodes = teleporterNodes.filter(function (node, index) {
				return index !== i;
			});
		}
	}
	// Update tower specializations and support links
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.specialization && tower.specialization.update) {
			tower.specialization.update();
		}
	}
	// Clean up destroyed specialization menus
	specializationMenus = specializationMenus.filter(function (menu) {
		return menu.parent && !menu.isDestroyed;
	});
	// Environmental hazards management
	if (waveIndicator && waveIndicator.gameStarted) {
		hazardTimer++;
		if (hazardTimer >= nextHazardTime) {
			hazardTimer = 0;
			nextHazardTime = 1200 + Math.random() * 1200; // 20-40 seconds
			// Spawn random environmental hazard
			var hazardType = Math.floor(Math.random() * 4);
			switch (hazardType) {
				case 0:
					// Asteroid field
					if (asteroids.length < 3) {
						var validPositions = [];
						for (var x = 2; x < 22; x++) {
							for (var y = 6; y < 25; y++) {
								var cell = grid.getCell(x, y);
								if (cell && cell.type === 0) {
									validPositions.push({
										x: x,
										y: y
									});
								}
							}
						}
						if (validPositions.length > 0) {
							var pos = validPositions[Math.floor(Math.random() * validPositions.length)];
							var asteroid = new Asteroid(grid.x + pos.x * CELL_SIZE + CELL_SIZE / 2, grid.y + pos.y * CELL_SIZE + CELL_SIZE / 2);
							game.addChild(asteroid);
							asteroids.push(asteroid);
							var notification = game.addChild(new Notification("⚠️ Asteroid field detected! ⚠️"));
							notification.x = 2048 / 2;
							notification.y = grid.height - 50;
						}
					}
					break;
				case 1:
					// Nebula cloud
					if (nebulaClouds.length < 2) {
						var cloudX = grid.x + (5 + Math.random() * 14) * CELL_SIZE;
						var cloudY = grid.y + (8 + Math.random() * 12) * CELL_SIZE;
						var nebula = new NebulaCloud(cloudX, cloudY);
						game.addChild(nebula);
						nebulaClouds.push(nebula);
						var notification = game.addChild(new Notification("🌌 Nebula cloud formation! 🌌"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 50;
						// Remove after 15 seconds
						LK.setTimeout(function () {
							if (nebula.parent) {
								nebula.destroy();
							}
						}, 15000);
					}
					break;
				case 2:
					// Solar flare
					if (solarFlares.length === 0) {
						var flare = new SolarFlare();
						game.addChild(flare);
						solarFlares.push(flare);
					}
					break;
				case 3:
					// Wormhole
					if (wormholes.length < 2) {
						// Create entry and exit points
						var entryX = grid.x + (3 + Math.random() * 6) * CELL_SIZE;
						var entryY = grid.y + (8 + Math.random() * 8) * CELL_SIZE;
						var exitX = grid.x + (15 + Math.random() * 6) * CELL_SIZE;
						var exitY = grid.y + (16 + Math.random() * 6) * CELL_SIZE;
						var wormhole = new Wormhole(entryX, entryY, exitX, exitY);
						game.addChild(wormhole);
						wormholes.push(wormhole);
						var notification = game.addChild(new Notification("🌀 Wormhole opened! 🌀"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 50;
						// Remove after 20 seconds
						LK.setTimeout(function () {
							if (wormhole.parent) {
								wormhole.destroy();
							}
						}, 20000);
					}
					break;
			}
		}
	}
	// Update path junctions and route analysis
	for (var i = 0; i < pathJunctions.length; i++) {
		if (pathJunctions[i].parent) {
			pathJunctions[i].update();
		}
	}
	// Update environmental hazards
	for (var i = asteroids.length - 1; i >= 0; i--) {
		if (asteroids[i].parent) {
			// Asteroids can be damaged by bullets
			for (var j = 0; j < bullets.length; j++) {
				var bullet = bullets[j];
				var dx = bullet.x - asteroids[i].x;
				var dy = bullet.y - asteroids[i].y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= 60) {
					// Hit asteroid
					asteroids[i].takeDamage(bullet.damage);
					returnBulletToPool(bullet);
					break;
				}
			}
		}
	}
	for (var i = 0; i < nebulaClouds.length; i++) {
		if (nebulaClouds[i].parent) {
			nebulaClouds[i].update();
		}
	}
	for (var i = 0; i < solarFlares.length; i++) {
		if (solarFlares[i].parent) {
			solarFlares[i].update();
		}
	}
	for (var i = 0; i < wormholes.length; i++) {
		if (wormholes[i].parent) {
			wormholes[i].update();
		}
	}
	if (currentWave >= totalWaves && enemies.length === 0 && !waveInProgress) {
		// Play victory sound
		LK.getSound('victory').play();
		LK.showYouWin();
	}
};