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

/**** 
* Classes
****/ 
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;
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (!self.targetEnemy || !self.targetEnemy.parent || self.targetEnemy.isDying) {
			// Clean up targeting reference
			if (self.targetEnemy && self.targetEnemy.bulletsTargetingThis) {
				var bulletIndex = self.targetEnemy.bulletsTargetingThis.indexOf(self);
				if (bulletIndex !== -1) {
					self.targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
				}
			}
			self.destroy();
			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) {
			// Apply damage to target enemy
			self.targetEnemy.health -= self.damage;
			if (self.targetEnemy.health <= 0) {
				self.targetEnemy.health = 0;
			} else {
				self.targetEnemy.healthBar.width = self.targetEnemy.health / self.targetEnemy.maxHealth * 70;
			}
			// Apply special effects based on bullet type
			if (self.type === 'splash') {
				// Create visual splash effect
				var splashEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'splash');
				game.addChild(splashEffect);
				// Splash damage to nearby enemies
				var splashRadius = CELL_SIZE * 1.5;
				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) {
							// Apply splash damage (50% of original damage)
							otherEnemy.health -= self.damage * 0.5;
							if (otherEnemy.health <= 0) {
								otherEnemy.health = 0;
							} else {
								otherEnemy.healthBar.width = otherEnemy.health / otherEnemy.maxHealth * 70;
							}
						}
					}
				}
			} else if (self.type === 'slow') {
				// Prevent slow effect on immune enemies
				if (!self.targetEnemy.isImmune) {
					// Create visual slow effect
					var slowEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'slow');
					game.addChild(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
					var poisonEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'poison');
					game.addChild(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
				var sniperEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'sniper');
				game.addChild(sniperEffect);
			}
			self.destroy();
		} else {
			var angle = Math.atan2(dy, dx);
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
	};
	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;
			}
		}
	};
	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 = 0x880000;
						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;
					} else {
						cellGraphics.tint = 0x88 - tint << 8 | tint;
					}
					// Arrow display removed
					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);
	};
});
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;
	switch (type) {
		case 'splash':
			effectGraphics.tint = 0x33CC00;
			effectGraphics.width = effectGraphics.height = CELL_SIZE * 1.5;
			break;
		case 'slow':
			effectGraphics.tint = 0x9900FF;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
		case 'poison':
			effectGraphics.tint = 0x00FFAA;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
		case 'sniper':
			effectGraphics.tint = 0xFF5500;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
	}
	effectGraphics.alpha = 0.7;
	self.alpha = 0;
	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();
				}
			});
		}
	});
	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 = .024;
	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;
	// Movement stopping mechanism
	self.canMove = true;
	self.moveTimer = 0;
	self.stopDuration = 30; // 0.5 seconds at 60 FPS
	self.moveDuration = 30; // 0.5 seconds at 60 FPS
	// 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 *= 3; // Three times 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;
	}
	// Speed up wave1 enemies
	if (self.waveNumber === 1) {
		self.speed *= 1.5; // 50% faster for wave1 enemies
	}
	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;
	} else if (self.waveNumber === 1) {
		assetId = '1';
	}
	// Pre-load all walking animation frames for wave1 enemies
	if (self.waveNumber === 1) {
		self.walkingFrames = [];
		self.walkingAssets = ['1', '2', '3', '4', '5', '6', '7', '8'];
		for (var i = 0; i < self.walkingAssets.length; i++) {
			var frame = self.attachAsset(self.walkingAssets[i], {
				anchorX: 0.5,
				anchorY: 0.5
			});
			frame.visible = i === 0; // Only show first frame initially
			self.walkingFrames.push(frame);
		}
		// Set current frame reference
		self.currentFrame = 0;
		var enemyGraphics = self.walkingFrames[0];
		// Add alien head to wave1 enemies
		self.alienHead = self.attachAsset('Alien', {
			anchorX: 0.5,
			anchorY: 0.8
		});
		// Position alien head above the enemy body
		self.alienHead.y = -enemyGraphics.height * 0.4 + 125;
		self.alienHead.x = 5;
		// Initialize bobbing timer with random phase
		self.bobTimer = Math.random() * Math.PI * 2;
	} else {
		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 enemy number label for positioning identification
	self.enemyNumber = 0; // Will be set when enemy is spawned
	var numberLabelShadow = new Text2('0', {
		size: 40,
		fill: 0x000000,
		weight: 800
	});
	numberLabelShadow.anchor.set(0.5, 0.5);
	numberLabelShadow.x = 2;
	numberLabelShadow.y = enemyGraphics.height / 2 + 25 + 2;
	self.addChild(numberLabelShadow);
	var numberLabel = new Text2('0', {
		size: 40,
		fill: 0xFFFFFF,
		weight: 800
	});
	numberLabel.anchor.set(0.5, 0.5);
	numberLabel.y = enemyGraphics.height / 2 + 25;
	self.addChild(numberLabel);
	self.numberLabel = numberLabel;
	self.numberLabelShadow = numberLabelShadow;
	self.setEnemyNumber = function (number) {
		self.enemyNumber = number;
		self.numberLabel.setText(number.toString());
		self.numberLabelShadow.setText(number.toString());
	};
	self.update = function () {
		// Skip update if enemy is already dying to prevent multiple death processing
		if (self.isDying || !self.parent) {
			return;
		}
		if (self.health <= 0) {
			self.health = 0;
			self.healthBar.width = 0;
			return; // Exit early when dead to prevent further processing
		}
		// 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 = self.waveNumber === 1 ? 0x00FF00 : 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 = self.waveNumber === 1 ? 0x00FF00 : 0xFFFFFF; // Reset tint
					}
				}
			}
		}
		// Set tint based on effect status
		if (self.isImmune) {
			enemyGraphics.tint = 0xFFFFFF;
		} else if (self.poisoned && self.slowed) {
			// Combine poison (0x00FFAA) and slow (0x9900FF) colors
			// Simple average: R: (0+153)/2=76, G: (255+0)/2=127, B: (170+255)/2=212
			enemyGraphics.tint = 0x4C7FD4;
		} else if (self.poisoned) {
			enemyGraphics.tint = 0x00FFAA;
		} else if (self.slowed) {
			enemyGraphics.tint = 0x9900FF;
		} else if (self.waveNumber === 1) {
			enemyGraphics.tint = 0x808080;
		} else {
			enemyGraphics.tint = 0xFFFFFF;
		}
		// Apply same tint to alien head if it exists
		if (self.alienHead) {
			if (self.isImmune) {
				self.alienHead.tint = 0xFFFFFF;
			} else if (self.poisoned && self.slowed) {
				self.alienHead.tint = 0x4C7FD4;
			} else if (self.poisoned) {
				self.alienHead.tint = 0x00FFAA;
			} else if (self.slowed) {
				self.alienHead.tint = 0x9900FF;
			} else if (self.waveNumber === 1) {
				self.alienHead.tint = 0xC0C0C0; // Light grey color
			} else {
				self.alienHead.tint = 0xFFFFFF;
			}
			// Add bobbing animation to alien head
			if (self.bobTimer === undefined) {
				self.bobTimer = Math.random() * Math.PI * 2; // Random starting phase for variety
			}
			// Only bob when moving
			if (self.canMove && self.moveDuration > 0) {
				self.bobTimer += 0.15; // Speed of bobbing
				// Calculate bob offset using sine wave
				var bobOffset = Math.sin(self.bobTimer) * 8; // 8 pixels up and down
				// Apply bob to alien head position
				var baseY = -self.walkingFrames[self.currentFrame].height * 0.4 + 125;
				self.alienHead.y = baseY + bobOffset;
				// Optional: Add slight rotation for more dynamic movement
				self.alienHead.rotation = Math.sin(self.bobTimer * 0.5) * 0.1; // Slight tilt
			}
		}
		// Add walking animation for wave1 enemies
		if (self.waveNumber === 1 && self.walkingFrames) {
			// Skip animation for off-screen enemies (optimization)
			var isOnScreen = self.x >= -100 && self.x <= 2148 && self.y >= -100 && self.y <= 2832;
			if (isOnScreen) {
				// Initialize animation variables if needed
				if (self.animationTimer === undefined) {
					self.animationTimer = 0;
				}
				if (self.pauseTimer === undefined) {
					self.pauseTimer = 0;
				}
				if (self.isPaused === undefined) {
					self.isPaused = false;
				}
				// Update animation timer
				self.animationTimer++;
				// Update pause timer
				self.pauseTimer++;
				// Check if we should pause every 30 frames (0.5 seconds)
				if (self.pauseTimer >= 30) {
					self.isPaused = true;
					self.pauseTimer = 0;
				}
				// If paused, wait for 15 frames (0.25 seconds) before resuming
				if (self.isPaused) {
					self.pauseTimer++;
					if (self.pauseTimer >= 15) {
						self.isPaused = false;
						self.pauseTimer = 0;
					}
				}
				// Only animate if not paused
				if (!self.isPaused) {
					// Slower asset swapping for walking animation (every 12 frames for smoother motion)
					if (self.animationTimer % 12 === 0) {
						// Hide current frame instantly
						var currentGraphics = self.walkingFrames[self.currentFrame];
						currentGraphics.visible = false;
						// Move to next frame
						self.currentFrame = (self.currentFrame + 1) % self.walkingFrames.length;
						// Show new frame instantly
						var newGraphics = self.walkingFrames[self.currentFrame];
						newGraphics.visible = true;
						// Update enemyGraphics reference
						enemyGraphics = self.walkingFrames[self.currentFrame];
						// Scale up boss enemies
						if (self.isBoss) {
							enemyGraphics.scaleX = 1.8;
							enemyGraphics.scaleY = 1.8;
						}
						// Maintain any existing rotation
						if (enemyGraphics.targetRotation !== undefined) {
							enemyGraphics.rotation = enemyGraphics.targetRotation;
						}
						// Maintain tint based on effect status
						if (self.isImmune) {
							enemyGraphics.tint = 0xFFFFFF;
						} else if (self.poisoned && self.slowed) {
							enemyGraphics.tint = 0x4C7FD4;
						} else if (self.poisoned) {
							enemyGraphics.tint = 0x00FFAA;
						} else if (self.slowed) {
							enemyGraphics.tint = 0x9900FF;
						} else if (self.waveNumber === 1) {
							enemyGraphics.tint = 0x808080;
						} else {
							enemyGraphics.tint = 0xFFFFFF;
						}
						// Apply same tint to alien head
						if (self.alienHead) {
							if (self.isImmune) {
								self.alienHead.tint = 0xFFFFFF;
							} else if (self.poisoned && self.slowed) {
								self.alienHead.tint = 0x4C7FD4;
							} else if (self.poisoned) {
								self.alienHead.tint = 0x00FFAA;
							} else if (self.slowed) {
								self.alienHead.tint = 0x9900FF;
							} else if (self.waveNumber === 1) {
								self.alienHead.tint = 0xC0C0C0; // Light grey color
							} else {
								self.alienHead.tint = 0xFFFFFF;
							}
						}
					}
				}
			} else {
				// For off-screen enemies, just update enemyGraphics reference to current frame
				enemyGraphics = self.walkingFrames[self.currentFrame];
			}
		}
		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) {
						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
						});
					}
				}
			}
		}
		// Update health bar position based on current graphics (handle both single asset and walking frames)
		var currentGraphics = enemyGraphics;
		if (self.waveNumber === 1 && self.walkingFrames) {
			currentGraphics = self.walkingFrames[self.currentFrame];
		}
		healthBarOutline.y = healthBarBG.y = healthBar.y = -currentGraphics.height / 2 - 10;
	};
	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 = 0; // Default to passable floor
			if (j > 11 - 3 && j <= 11 + 3) {
				if (i === gridWidth - 1) {
					cellType = 2;
					self.spawns.push(cell);
				}
			}
			// Make entire left side (column 0) the goal
			if (i === 0) {
				cellType = 3;
				self.goals.push(cell);
			}
			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 = [];
		}
	}
	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;
		}
		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.currentCellX > 20) {
				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 () {
		// Debug rendering removed
	};
	self.updateEnemy = function (enemy) {
		// Check if enemy reached the goal (left side of screen)
		if (enemy.currentCellX <= 0) {
			return true;
		}
		// Update shadow position for flying enemies
		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;
			}
		}
		// Handle stop-and-go movement
		enemy.moveTimer++;
		// Don't move if being blown by fan
		if (enemy.isBeingBlown) {
			// Skip normal movement while being blown
		} else if (enemy.canMove) {
			// Moving phase
			if (enemy.moveTimer >= enemy.moveDuration) {
				enemy.canMove = false;
				enemy.moveTimer = 0;
			}
			// Move left during moving phase
			enemy.currentCellX -= enemy.speed;
		} else {
			// Stopping phase
			if (enemy.moveTimer >= enemy.stopDuration) {
				enemy.canMove = true;
				enemy.moveTimer = 0;
			}
			// Don't move during stopping phase
		}
		// Set enemy rotation to face left (no animation, just set it)
		var angle = Math.PI; // Face left
		if (enemy.children[0]) {
			enemy.children[0].rotation = angle;
		}
		// Update enemy's position on screen
		enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
		enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
		// Update cell coordinates for targeting
		enemy.cellX = Math.round(enemy.currentCellX);
		enemy.cellY = Math.round(enemy.currentCellY);
		return false;
	};
});
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: 0x000000,
		weight: 800
	});
	notificationText.anchor.set(0.5, 0.5);
	notificationGraphics.width = notificationText.width + 30;
	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 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 = 0x00FF00;
			break;
		case 'sniper':
			baseGraphics.tint = 0x9900FF;
			break;
		case 'splash':
			baseGraphics.tint = 0xFF0000;
			break;
		case 'slow':
			baseGraphics.tint = 0xB8860B;
			break;
		case 'poison':
			baseGraphics.tint = 0x00FFAA;
			break;
		default:
			baseGraphics.tint = 0x0088FF;
	}
	var towerCost = getTowerCost(self.towerType);
	// Add shadow for tower type label
	var shadowDisplayText = self.towerType === 'default' ? 'Water' : self.towerType === 'rapid' ? 'Gas' : self.towerType === 'sniper' ? 'Air' : self.towerType === 'splash' ? 'Fire' : self.towerType === 'slow' ? 'Electric' : self.towerType === 'poison' ? 'Plasma' : self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1);
	var typeLabelShadow = new Text2(shadowDisplayText, {
		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 displayText = self.towerType === 'default' ? 'Water' : self.towerType === 'rapid' ? 'Gas' : self.towerType === 'sniper' ? 'Air' : self.towerType === 'splash' ? 'Fire' : self.towerType === 'slow' ? 'Electric' : self.towerType === 'poison' ? 'Plasma' : self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1);
	var typeLabel = new Text2(displayText, {
		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 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
		switch (self.id) {
			case 'sniper':
				// Fan tower: fixed 400 pixels straight ahead
				return 400;
			case 'splash':
				// Fire tower: fixed 1300 pixels straight ahead
				return 1300;
			case 'rapid':
				// Gas tower: fixed 1000 pixels straight ahead
				return 1000;
			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: fixed 1500 pixels straight ahead
				return 1500;
		}
	};
	self.cellsInRange = [];
	self.fireRate = 60;
	self.bulletSpeed = 5;
	self.damage = 10;
	self.lastFired = 0;
	self.targetEnemy = null;
	switch (self.id) {
		case 'rapid':
			self.fireRate = 30;
			self.damage = 5;
			self.range = 1000; // Fixed 1000 pixels straight ahead
			self.bulletSpeed = 7;
			break;
		case 'sniper':
			self.fireRate = 90;
			self.damage = 25;
			self.range = 5 * CELL_SIZE;
			self.bulletSpeed = 25;
			break;
		case 'splash':
			self.fireRate = 75;
			self.damage = 15;
			self.range = 2 * CELL_SIZE;
			self.bulletSpeed = 4;
			break;
		case 'slow':
			self.fireRate = 50;
			self.damage = 8;
			self.range = 3.5 * CELL_SIZE;
			self.bulletSpeed = 5;
			break;
		case 'poison':
			self.fireRate = 70;
			self.damage = 12;
			self.range = 3.2 * CELL_SIZE;
			self.bulletSpeed = 5;
			break;
	}
	var baseGraphics = self.attachAsset(self.id === 'rapid' ? 'Dog' : self.id === 'sniper' ? 'Fan' : self.id === 'splash' ? 'Fireworks' : self.id === 'slow' ? 'Bugzapper' : self.id === 'poison' ? 'Plasmaball' : 'Tower1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add fire effect for fire tower (splash)
	var fireEffectGraphics = null;
	if (self.id === 'splash') {
		fireEffectGraphics = self.attachAsset('Fire', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		fireEffectGraphics.y = -80; // Position fire above the fireworks
		fireEffectGraphics.x = -20;
		fireEffectGraphics.scaleX = 1.0;
		fireEffectGraphics.scaleY = 1.0;
		fireEffectGraphics.alpha = 0.85;
		// Animate fire to look like burning fire: flicker alpha, scale, and slight y movement
		var _animateFire = function animateFire() {
			var targetAlpha = 0.7 + Math.random() * 0.3;
			var targetScaleX = 0.95 + Math.random() * 0.15;
			var targetScaleY = 0.95 + Math.random() * 0.18;
			var targetY = -80 + (Math.random() - 0.5) * 8;
			tween(fireEffectGraphics, {
				alpha: targetAlpha,
				scaleX: targetScaleX,
				scaleY: targetScaleY,
				y: targetY
			}, {
				duration: 70 + Math.random() * 60,
				easing: tween.linear,
				onFinish: function onFinish() {
					if (fireEffectGraphics && fireEffectGraphics.parent) {
						_animateFire();
					}
				}
			});
		};
		_animateFire();
	}
	// Add plasma attachment for poison tower
	var plasmaGraphics = null;
	if (self.id === 'poison') {
		plasmaGraphics = self.attachAsset('Plasma', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		plasmaGraphics.y = -70; // Position plasma above the plasmaball (moved up 20)
		plasmaGraphics.x = 0;
		plasmaGraphics.scaleX = 0.9;
		plasmaGraphics.scaleY = 0.9;
		plasmaGraphics.alpha = 0.85;
		// Create pulsating animation for plasma (without flipping)
		var _animatePlasma = function animatePlasma() {
			// Create pulsating effect by varying scale
			var pulseScale = 0.8 + Math.random() * 0.2; // Random scale between 0.8 and 1.0
			tween(plasmaGraphics, {
				scaleX: 0.9 * pulseScale,
				// Keep positive scale (no flipping)
				scaleY: 0.9 * pulseScale,
				alpha: 0.7 + Math.random() * 0.15 // Slight alpha variation for glow effect
			}, {
				duration: 250,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					_animatePlasma(); // Continue animation
				}
			});
		};
		// Start the animation
		_animatePlasma();
	}
	// Add blades to fan for sniper towers
	var bladesGraphics = null;
	if (self.id === 'sniper') {
		bladesGraphics = self.attachAsset('Blades', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		bladesGraphics.y = -150; // Move blades up 150 pixels (down 50 from previous -200)
		bladesGraphics.x = 50; // Move blades right 50 pixels
		// Animate continuous clockwise rotation of blades
		var _rotateBlades = function rotateBlades() {
			tween(bladesGraphics, {
				rotation: bladesGraphics.rotation + Math.PI * 2
			}, {
				duration: 500,
				easing: tween.linear,
				onFinish: function onFinish() {
					_rotateBlades(); // Loop the animation
				}
			});
		};
		_rotateBlades();
	}
	// Add electric effect to electric/slow towers (bug zapper)
	var electricEffectGraphics = null;
	if (self.id === 'slow') {
		electricEffectGraphics = self.attachAsset('Electriceffect', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		electricEffectGraphics.y = -75; // Position above the bug zapper (moved down 45 total)
		electricEffectGraphics.x = 0;
		electricEffectGraphics.scaleX = 1.0;
		electricEffectGraphics.scaleY = 1.0;
		electricEffectGraphics.alpha = 0.9;
		// Create electricity flickering animation
		var _animateElectricity = function animateElectricity() {
			// Randomize target values for flickering effect
			var targetAlpha = 0.6 + Math.random() * 0.4; // Alpha between 0.6 and 1.0
			var targetScaleX = 0.9 + Math.random() * 0.2; // Scale X between 0.9 and 1.1
			var targetScaleY = 0.9 + Math.random() * 0.2; // Scale Y between 0.9 and 1.1
			var targetX = (Math.random() - 0.5) * 4; // X position jitter between -2 and 2
			var targetY = -100 + (Math.random() - 0.5) * 6; // Y position jitter around -100
			tween(electricEffectGraphics, {
				alpha: targetAlpha,
				scaleX: targetScaleX,
				scaleY: targetScaleY,
				x: targetX,
				y: targetY
			}, {
				duration: 80 + Math.random() * 60,
				// Duration between 80-140ms for rapid flickering
				easing: tween.linear,
				onFinish: function onFinish() {
					if (electricEffectGraphics && electricEffectGraphics.parent) {
						_animateElectricity(); // Continue animation
					}
				}
			});
		};
		// Start the electricity flickering animation
		_animateElectricity();
	}
	// Add Dog2 for rapid towers, positioned exactly on Dog
	var baseGraphics2 = null;
	if (self.id === 'rapid') {
		baseGraphics2 = self.attachAsset('Dog2', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		baseGraphics2.visible = false; // Initially hidden
	}
	switch (self.id) {
		case 'rapid':
			// Use default dog color - no tint
			break;
		case 'sniper':
			baseGraphics.tint = 0x9900FF;
			break;
		case 'splash':
			// Remove tint for fire tower - use default asset color
			break;
		case 'slow':
			// Remove tint for electric tower - use default asset color
			break;
		case 'poison':
			// Remove tint for plasma tower - use default asset color
			break;
		default:
			baseGraphics.tint = 0xAAAAAA;
	}
	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);
	}
	var gunContainer = new Container();
	self.addChild(gunContainer);
	var gunGraphics = gunContainer.attachAsset('defense', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	gunGraphics.visible = false;
	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 = 0x9900FF;
						break;
					case 'splash':
						towerLevelIndicator.tint = 0xFF0000;
						break;
					case 'slow':
						towerLevelIndicator.tint = 0xB8860B;
						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);
					}
				}
			}
		}
	};
	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;
			// Make last upgrade level extra expensive
			if (self.level === self.maxLevel - 1) {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.level - 1) * 3.5 / 2); // Half the cost for final upgrade
			} else {
				upgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.level - 1));
			}
			if (gold >= upgradeCost) {
				setGold(gold - upgradeCost);
				self.level++;
				// No need to update self.range here; getRange() is now the source of truth
				// Apply tower-specific upgrades based on type
				if (self.id === 'rapid') {
					if (self.level === self.maxLevel) {
						// Extra powerful last upgrade (double the effect)
						self.fireRate = Math.max(4, 30 - self.level * 9); // double the effect
						self.damage = 5 + self.level * 10; // double the effect
						self.bulletSpeed = 7 + self.level * 2.4; // double the effect
					} else {
						self.fireRate = Math.max(15, 30 - self.level * 3); // Fast tower gets faster with upgrades
						self.damage = 5 + self.level * 3;
						self.bulletSpeed = 7 + self.level * 0.7;
					}
				} else {
					if (self.level === self.maxLevel) {
						// Extra powerful last upgrade for all other towers (double the effect)
						self.fireRate = Math.max(5, 60 - self.level * 24); // double the effect
						self.damage = 10 + self.level * 20; // double the effect
						self.bulletSpeed = 5 + self.level * 2.4; // double the effect
					} else {
						self.fireRate = Math.max(20, 60 - self.level * 8);
						self.damage = 10 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					}
				}
				self.refreshCellsInRange();
				self.updateLevelIndicators();
				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 closestDistance = Infinity;
		var maxRange = self.getRange(); // Use tower's actual range instead of fixed 1200
		// Get the tower's current facing direction (gun rotation)
		var towerFacing = self.children[self.children.length - 1].rotation; // gunContainer rotation
		// For default and rapid/gas towers, use straight ahead targeting
		if (self.id === 'default' || self.id === 'rapid') {
			var colRange = maxRange / CELL_SIZE; // Convert range to grid cells
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				// Skip enemies that are in collision state to prevent system conflicts
				if (enemy.pausedForCollision) {
					continue;
				}
				// Convert positions to grid coordinates
				var towerGridX = Math.floor((self.x - grid.x) / CELL_SIZE);
				var towerGridY = Math.floor((self.y - grid.y) / CELL_SIZE);
				var enemyGridX = Math.floor((enemy.x - grid.x) / CELL_SIZE);
				var enemyGridY = Math.floor((enemy.y - grid.y) / CELL_SIZE);
				// Check if enemy is in front of tower (to the right) and in the same row
				var isInFront = enemyGridX > towerGridX; // Enemy must be to the right of tower
				var isInSameRow = enemyGridY === towerGridY; // Enemy must be in exact same row
				var isWithinRange = enemyGridX - towerGridX <= colRange; // Within range horizontally
				if (isInFront && isInSameRow && isWithinRange) {
					var dx = enemy.x - self.x;
					var dy = enemy.y - self.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					// Prioritize by distance - closest enemy first
					if (distance < closestDistance) {
						closestDistance = distance;
						closestEnemy = enemy;
					}
				}
			}
		} else {
			// Non-default towers use original precise targeting
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				// Skip enemies that are in collision state to prevent system conflicts
				if (enemy.pausedForCollision) {
					continue;
				}
				var dx = enemy.x - self.x;
				var dy = enemy.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				// Check if enemy is within range
				if (distance <= maxRange) {
					// For sniper towers (fan), only target enemies in the same row
					if (self.id === 'sniper') {
						var towerGridY = Math.floor((self.y - grid.y) / CELL_SIZE);
						var enemyGridY = Math.floor((enemy.y - grid.y) / CELL_SIZE);
						// Only target enemies in the same row
						if (enemyGridY === towerGridY) {
							// Prioritize by distance - closest enemy first
							if (distance < closestDistance) {
								closestDistance = distance;
								closestEnemy = enemy;
							}
						}
					} else if (self.id === 'splash') {
						// Fire tower also only targets enemies in the same row
						var towerGridY = Math.floor((self.y - grid.y) / CELL_SIZE);
						var enemyGridY = Math.floor((enemy.y - grid.y) / CELL_SIZE);
						// Only target enemies in the same row
						if (enemyGridY === towerGridY) {
							// Prioritize by distance - closest enemy first
							if (distance < closestDistance) {
								closestDistance = distance;
								closestEnemy = enemy;
							}
						}
					} else {
						// For other towers, use angle-based targeting
						// Calculate angle from tower to enemy
						var angleToEnemy = Math.atan2(dy, dx);
						// Calculate angle difference from tower's facing direction
						var angleDiff = Math.abs(angleToEnemy - towerFacing);
						// Normalize angle difference to 0-PI range
						while (angleDiff > Math.PI) {
							angleDiff -= Math.PI * 2;
						}
						angleDiff = Math.abs(angleDiff);
						if (angleDiff > Math.PI) {
							angleDiff = Math.PI * 2 - angleDiff;
						}
						// Use narrow targeting cone for non-sniper towers
						var targetingCone = 0.01; // Narrow cone for other towers
						if (angleDiff <= targetingCone) {
							// Prioritize by distance - closest enemy first
							if (distance < closestDistance) {
								closestDistance = distance;
								closestEnemy = enemy;
							}
						}
					}
				}
			}
		}
		if (!closestEnemy) {
			self.targetEnemy = null;
		}
		return closestEnemy;
	};
	self.update = function () {
		self.targetEnemy = self.findTarget();
		// --- Plasmaball plasmaray logic ---
		if (self.id === 'poison' && plasmaGraphics) {
			// Track plasmaray state
			if (self._plasmarayActive === undefined) self._plasmarayActive = false;
			if (self._plasmarayCooldown === undefined) self._plasmarayCooldown = 0;
			if (self._plasmarayBlast === undefined) self._plasmarayBlast = null;
			if (self._plasmarayTarget === undefined) self._plasmarayTarget = null;
			// Only check if not already blasting
			if (!self._plasmarayActive && enemies.length > 0 && self._plasmarayCooldown <= 0) {
				// Find any enemy within 900px and within 5 row radius
				var towerGridY = Math.floor((self.y - grid.y) / CELL_SIZE);
				var bestTarget = null;
				var bestDist = Infinity;
				for (var i = 0; i < enemies.length; i++) {
					var enemy = enemies[i];
					if (!enemy.parent) continue;
					var enemyGridY = Math.floor((enemy.y - grid.y) / CELL_SIZE);
					var rowDist = Math.abs(enemyGridY - towerGridY);
					var dx = enemy.x - self.x;
					var dy = enemy.y - self.y;
					var dist = Math.sqrt(dx * dx + dy * dy);
					if (dist <= 900 && rowDist <= 5) {
						if (dist < bestDist) {
							bestDist = dist;
							bestTarget = enemy;
						}
					}
				}
				if (bestTarget) {
					// Start plasmaray blast
					self._plasmarayActive = true;
					self._plasmarayTarget = bestTarget;
					// Create plasmaray1 asset
					var plasmaray = new Container();
					var plasmarayGfx = plasmaray.attachAsset('Plasmaray1', {
						anchorX: 0,
						// Start at left edge
						anchorY: 0.5
					});
					plasmaray.x = self.x;
					plasmaray.y = self.y - 70; // align with plasmaGraphics
					plasmarayGfx.alpha = 0.85;
					plasmarayGfx.scaleY = 0.7 + Math.random() * 0.2;
					plasmarayGfx.scaleX = 1.0;
					plasmarayGfx.rotation = 0;
					// Animate flicker
					var _flicker2 = function _flicker() {
						if (!plasmaray.parent) return;
						var newAlpha = 0.7 + Math.random() * 0.25;
						var newScaleY = 0.7 + Math.random() * 0.2;
						tween(plasmarayGfx, {
							alpha: newAlpha,
							scaleY: newScaleY
						}, {
							duration: 60,
							easing: tween.linear,
							onFinish: _flicker2
						});
					};
					_flicker2();
					// Add to game
					if (!plasmaray.parent) {
						game.addChild(plasmaray);
					}
					self._plasmarayBlast = plasmaray;
					// Damage logic: prolonged blast (e.g. 1.2s)
					var blastDuration = 72; // 1.2s at 60fps
					self._plasmarayTicks = 0;
					self._plasmarayMaxTicks = blastDuration;
					self._plasmarayDamagePerTick = Math.max(10, self.damage * 0.7); // significant damage per tick
					plasmaray.update = function () {
						// Track target
						if (self._plasmarayTarget && self._plasmarayTarget.parent) {
							// Aim plasmaray at target
							var dx = self._plasmarayTarget.x - self.x;
							var dy = self._plasmarayTarget.y - (self.y - 70);
							var angle = Math.atan2(dy, dx);
							plasmaray.rotation = angle;
							// Optionally, stretch plasmaray to reach target
							var len = Math.sqrt(dx * dx + dy * dy);
							plasmarayGfx.width = Math.max(200, Math.min(900, len));
						} else {
							plasmarayGfx.width = 900;
						}
						// Damage enemy if still valid
						if (self._plasmarayTarget && self._plasmarayTarget.parent && !self._plasmarayTarget.isDying) {
							self._plasmarayTarget.health -= self._plasmarayDamagePerTick;
							if (self._plasmarayTarget.health < 0) self._plasmarayTarget.health = 0;
							self._plasmarayTarget.healthBar.width = self._plasmarayTarget.health / self._plasmarayTarget.maxHealth * 70;
						}
						self._plasmarayTicks++;
						if (self._plasmarayTicks >= self._plasmarayMaxTicks || !self._plasmarayTarget || !self._plasmarayTarget.parent) {
							// End blast
							if (plasmaray && plasmaray.parent) plasmaray.destroy();
							// Remove from bullets array if present (defensive)
							var idx = bullets.indexOf(plasmaray);
							if (idx !== -1) bullets.splice(idx, 1);
							self._plasmarayActive = false;
							self._plasmarayCooldown = 90; // 1.5s cooldown
							self._plasmarayBlast = null;
							self._plasmarayTarget = null;
						}
					};
				}
			}
			// Update plasmaray blast if active
			if (self._plasmarayActive && self._plasmarayBlast && self._plasmarayBlast.parent) {
				if (typeof self._plasmarayBlast.update === "function") {
					self._plasmarayBlast.update();
					// If plasmaray was destroyed in update, clear references
					if (!self._plasmarayBlast || !self._plasmarayBlast.parent) {
						self._plasmarayActive = false;
						self._plasmarayBlast = null;
						self._plasmarayTarget = null;
					}
				}
			}
			// Cooldown tick
			if (self._plasmarayCooldown > 0) self._plasmarayCooldown--;
		}
		// Air tower cooldown mechanism
		if (self.id === 'sniper') {
			// Initialize cooldown timer if not set
			if (self.cooldownTimer === undefined) {
				self.cooldownTimer = 0;
				self.isCoolingDown = false;
			}
			// Update cooldown timer
			self.cooldownTimer++;
			// Check if we need to start cooldown (every 20 seconds = 1200 frames at 60 FPS)
			if (!self.isCoolingDown && self.cooldownTimer >= 1200) {
				self.isCoolingDown = true;
				self.cooldownTimer = 0; // Reset timer for cooldown duration
				// Stop the blades during cooldown
				if (bladesGraphics) {
					tween.stop(bladesGraphics, {
						rotation: true
					});
				}
			}
			// Check if cooldown period is over (20 seconds = 1200 frames at 60 FPS)
			if (self.isCoolingDown && self.cooldownTimer >= 1200) {
				self.isCoolingDown = false;
				self.cooldownTimer = 0; // Reset timer for next active period
				// Restart the blades animation
				if (bladesGraphics) {
					var _rotateBlades = function rotateBlades() {
						tween(bladesGraphics, {
							rotation: bladesGraphics.rotation + Math.PI * 2
						}, {
							duration: 500,
							easing: tween.linear,
							onFinish: function onFinish() {
								if (!self.isCoolingDown) {
									_rotateBlades(); // Only continue if not cooling down
								}
							}
						});
					};
					_rotateBlades();
				}
			}
		}
		if (self.targetEnemy) {
			// Tower gun always points ahead (to the right) - no rotation
			gunContainer.rotation = 0;
			// Air tower can only fire when not cooling down
			var canFire = true;
			if (self.id === 'sniper' && self.isCoolingDown) {
				canFire = false;
			}
			if (canFire && LK.ticks - self.lastFired >= self.fireRate) {
				self.fire();
				self.lastFired = LK.ticks;
			}
		}
	};
	self.down = function (x, y, obj) {
		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;
			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
		});
	};
	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) {
			if (self.id === 'rapid') {
				// Swap visibility between Dog and Dog2 when farting
				if (baseGraphics2) {
					baseGraphics.visible = false;
					baseGraphics2.visible = true;
					// Use tween to swap back after a short delay, but check if target enemy is still alive
					tween(baseGraphics2, {}, {
						duration: 300,
						onFinish: function onFinish() {
							// Only swap back if target enemy is still alive and has health > 0
							if (!self.targetEnemy || self.targetEnemy.health <= 0 || !self.targetEnemy.parent) {
								// Target is dead, stop farting immediately
								baseGraphics.visible = true;
								baseGraphics2.visible = false;
							} else {
								// Target is still alive, normal swap back
								baseGraphics.visible = true;
								baseGraphics2.visible = false;
							}
						}
					});
				}
				// Gas tower - dog farts gas cloud
				var gasCloudStartX = self.x + Math.cos(gunContainer.rotation) * 80 + 100;
				var gasCloudStartY = self.y + Math.sin(gunContainer.rotation) * 80;
				var gasCloudEndX = self.targetEnemy.x;
				var gasCloudEndY = self.targetEnemy.y;
				// Create gas cloud with tween animation
				var gasCloud = new Container();
				var gasCloudGraphics = gasCloud.attachAsset('GasCloud', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				// Scale gas cloud for visual impact
				gasCloudGraphics.scaleX = 0.75;
				gasCloudGraphics.scaleY = 0.75;
				gasCloudGraphics.tint = 0x90EE90; // Light green gas color
				gasCloudGraphics.alpha = 0.8;
				gasCloudGraphics.rotation = gunContainer.rotation;
				// Position gas cloud at dog's position
				gasCloud.x = gasCloudStartX;
				gasCloud.y = gasCloudStartY;
				game.addChild(gasCloud);
				// Apply damage directly to enemy
				self.targetEnemy.health -= self.damage;
				if (self.targetEnemy.health <= 0) {
					self.targetEnemy.health = 0;
				} else {
					self.targetEnemy.healthBar.width = self.targetEnemy.health / self.targetEnemy.maxHealth * 70;
				}
				// Make enemy turn green when hit by dog fart - only if not in collision state
				if (self.targetEnemy && !self.targetEnemy.pausedForCollision) {
					var enemyGraphics = self.targetEnemy.children[0];
					if (self.targetEnemy.waveNumber === 1 && self.targetEnemy.walkingFrames) {
						// For wave1 enemies, tint the current frame
						enemyGraphics = self.targetEnemy.walkingFrames[self.targetEnemy.currentFrame];
					}
					// Store original tint to restore later
					if (enemyGraphics.originalTint === undefined) {
						enemyGraphics.originalTint = enemyGraphics.tint;
					}
					// Apply green tint immediately
					enemyGraphics.tint = 0x00FF00;
					// Also tint alien head if it exists
					if (self.targetEnemy && self.targetEnemy.alienHead && self.targetEnemy.alienHead.parent) {
						if (self.targetEnemy.alienHead.originalTint === undefined) {
							self.targetEnemy.alienHead.originalTint = self.targetEnemy.alienHead.tint;
						}
						self.targetEnemy.alienHead.tint = 0x00FF00;
					}
					// Restore original tint after 2 seconds
					tween(enemyGraphics, {}, {
						duration: 2000,
						onFinish: function onFinish() {
							if (enemyGraphics && enemyGraphics.parent && self.targetEnemy && !self.targetEnemy.pausedForCollision) {
								enemyGraphics.tint = enemyGraphics.originalTint;
							}
							if (self.targetEnemy && self.targetEnemy.alienHead && self.targetEnemy.alienHead.parent && !self.targetEnemy.pausedForCollision) {
								self.targetEnemy.alienHead.tint = self.targetEnemy.alienHead.originalTint;
							}
						}
					});
				}
				// Animate gas cloud movement to target
				tween(gasCloud, {
					x: gasCloudEndX,
					y: gasCloudEndY,
					scaleX: 1.25,
					scaleY: 1.25,
					alpha: 0.3
				}, {
					duration: 300,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Create gas explosion effect at target
						var gasExplosion = new Container();
						var explosionGraphics = gasExplosion.attachAsset('rangeCircle', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						explosionGraphics.width = 80;
						explosionGraphics.height = 80;
						explosionGraphics.tint = 0x90EE90;
						explosionGraphics.alpha = 0;
						explosionGraphics.blendMode = 1;
						gasExplosion.x = gasCloudEndX;
						gasExplosion.y = gasCloudEndY;
						game.addChild(gasExplosion);
						// Animate explosion
						tween(gasExplosion, {
							alpha: 0.7,
							scaleX: 1.5,
							scaleY: 1.5
						}, {
							duration: 200,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								tween(gasExplosion, {
									alpha: 0,
									scaleX: 2,
									scaleY: 2
								}, {
									duration: 400,
									easing: tween.easeIn,
									onFinish: function onFinish() {
										if (gasExplosion && gasExplosion.parent) {
											gasExplosion.destroy();
										}
									}
								});
							}
						});
						// Clean up gas cloud
						if (gasCloud && gasCloud.parent) {
							gasCloud.destroy();
						}
					}
				});
			} else if (self.id === 'sniper') {
				// Fan tower - blows enemies away in same row only
				var targetEnemy = self.targetEnemy;
				// Check if enemy is in the same row as the tower
				var towerGridY = Math.floor((self.y - grid.y) / CELL_SIZE);
				var enemyGridY = Math.floor((targetEnemy.y - grid.y) / CELL_SIZE);
				// Only attack if enemy is in the same row
				if (enemyGridY === towerGridY) {
					// Apply damage
					targetEnemy.health -= self.damage;
					if (targetEnemy.health <= 0) {
						targetEnemy.health = 0;
					} else {
						targetEnemy.healthBar.width = targetEnemy.health / targetEnemy.maxHealth * 70;
					}
				} else {
					// Enemy not in same row, don't attack
					return;
				}
				// Create wind effect visual
				var windEffect = new Container();
				var windGraphics = windEffect.attachAsset('rangeCircle', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				// Position wind effect at fan
				windEffect.x = self.x;
				windEffect.y = self.y;
				windGraphics.width = 100;
				windGraphics.height = 100;
				windGraphics.tint = 0x87CEEB; // Sky blue for wind
				windGraphics.alpha = 0.6;
				windGraphics.blendMode = 1;
				game.addChild(windEffect);
				// Calculate blow direction (backwards only - horizontally to the right)
				var dx = targetEnemy.x - self.x;
				var dy = targetEnemy.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				var blowAngle = 0; // Always blow to the right (0 radians)
				// Calculate blow distance based on enemy distance from fan
				var blowDistance = Math.max(300, 800 - distance * 0.3); // Further enemies get blown less, but much further overall
				var targetX = targetEnemy.x + Math.cos(blowAngle) * blowDistance;
				var targetY = targetEnemy.y; // Keep same Y position - don't change rows
				// Store original position for enemy
				if (!targetEnemy.isBeingBlown) {
					targetEnemy.originalCellX = targetEnemy.currentCellX;
					targetEnemy.originalCellY = targetEnemy.currentCellY;
					targetEnemy.isBeingBlown = true;
				}
				// Animate wind effect expanding
				tween(windEffect, {
					scaleX: 4,
					scaleY: 4,
					alpha: 0
				}, {
					duration: 500,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (windEffect && windEffect.parent) {
							windEffect.destroy();
						}
					}
				});
				// Create wind lines for visual effect
				for (var w = 0; w < 5; w++) {
					var windLine = new Container();
					var lineGraphics = windLine.attachAsset('cell', {
						anchorX: 0,
						anchorY: 0.5
					});
					lineGraphics.width = 50 + Math.random() * 50;
					lineGraphics.height = 2;
					lineGraphics.tint = 0x87CEEB;
					lineGraphics.alpha = 0.7;
					windLine.x = self.x;
					windLine.y = self.y + (w - 2) * 20;
					windLine.rotation = blowAngle;
					game.addChild(windLine);
					// Animate wind lines moving outward
					tween(windLine, {
						x: windLine.x + Math.cos(blowAngle) * 300,
						y: windLine.y + Math.sin(blowAngle) * 300,
						alpha: 0
					}, {
						duration: 400 + w * 50,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							if (windLine && windLine.parent) {
								windLine.destroy();
							}
						}
					});
				}
				// Make enemy turn white when blown by fan - only if not in collision state
				if (!targetEnemy.pausedForCollision) {
					var enemyGraphics = targetEnemy.children[0];
					if (targetEnemy.waveNumber === 1 && targetEnemy.walkingFrames) {
						// For wave1 enemies, tint the current frame
						enemyGraphics = targetEnemy.walkingFrames[targetEnemy.currentFrame];
					}
					// Store original tint to restore later
					if (enemyGraphics.originalTint === undefined) {
						enemyGraphics.originalTint = enemyGraphics.tint;
					}
					// Apply white tint immediately
					enemyGraphics.tint = 0xFFFFFF;
					// Also tint alien head if it exists
					if (targetEnemy && targetEnemy.alienHead && targetEnemy.alienHead.parent) {
						if (targetEnemy.alienHead.originalTint === undefined) {
							targetEnemy.alienHead.originalTint = targetEnemy.alienHead.tint;
						}
						targetEnemy.alienHead.tint = 0xFFFFFF;
					}
				}
				// Animate enemy being blown away with flipping rotation
				tween(targetEnemy, {
					x: targetX,
					y: targetY,
					rotation: targetEnemy.rotation + Math.PI * 4 // 2 full rotations (720 degrees)
				}, {
					duration: 600,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Update enemy grid position after being blown
						targetEnemy.currentCellX = (targetEnemy.x - grid.x) / CELL_SIZE;
						targetEnemy.currentCellY = (targetEnemy.y - grid.y) / CELL_SIZE;
						targetEnemy.cellX = Math.round(targetEnemy.currentCellX);
						targetEnemy.cellY = Math.round(targetEnemy.currentCellY);
						targetEnemy.isBeingBlown = false;
						// Reset rotation to 0 after flipping animation
						targetEnemy.rotation = 0;
					}
				});
				// Restore original tint after 2 seconds
				tween(enemyGraphics, {}, {
					duration: 2000,
					onFinish: function onFinish() {
						if (enemyGraphics && enemyGraphics.parent && !targetEnemy.pausedForCollision) {
							enemyGraphics.tint = enemyGraphics.originalTint;
						}
						if (targetEnemy && targetEnemy.alienHead && targetEnemy.alienHead.parent && !targetEnemy.pausedForCollision) {
							targetEnemy.alienHead.tint = targetEnemy.alienHead.originalTint;
						}
					}
				});
				// If enemy has a shadow (flying enemy), animate it too
				if (targetEnemy.shadow) {
					tween(targetEnemy.shadow, {
						x: targetX + 20,
						y: targetY + 20
					}, {
						duration: 600,
						easing: tween.easeOut
					});
				}
			} else if (self.id === 'splash') {
				// Fire tower - shoots fireballs at enemies in same row
				var targetEnemy = self.targetEnemy;
				// Check if enemy is in the same row as the tower
				var towerGridY = Math.floor((self.y - grid.y) / CELL_SIZE);
				var enemyGridY = Math.floor((targetEnemy.y - grid.y) / CELL_SIZE);
				// Only attack if enemy is in the same row
				if (enemyGridY === towerGridY) {
					// Create fireball projectile
					var fireball = new Container();
					var fireballGraphics = fireball.attachAsset('Fireball', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					fireballGraphics.rotation = Math.PI / 4; // Tilt 45° right
					// Scale fireball for appropriate size
					fireballGraphics.scaleX = 0.4;
					fireballGraphics.scaleY = 0.4;
					fireballGraphics.alpha = 0.9;
					// Animate fireball to look like it's on fire: pulsing scale, flickering alpha, and slight rotation
					var _animateFireball = function animateFireball() {
						// Randomize target scale and alpha for a lively fire effect
						var targetScale = 0.35 + Math.random() * 0.15;
						var targetAlpha = 0.7 + Math.random() * 0.2;
						var targetRotation = fireballGraphics.rotation + (Math.random() - 0.5) * 0.2;
						tween(fireballGraphics, {
							scaleX: targetScale,
							scaleY: targetScale,
							alpha: targetAlpha,
							rotation: targetRotation
						}, {
							duration: 60 + Math.random() * 60,
							easing: tween.linear,
							onFinish: _animateFireball
						});
					};
					_animateFireball();
					// Position fireball at tower
					var startX = self.x + Math.cos(gunContainer.rotation) * 40;
					var startY = self.y + Math.sin(gunContainer.rotation) * 40 - 40;
					fireball.x = startX;
					fireball.y = startY;
					// Store target enemy and damage
					fireball.targetEnemy = targetEnemy;
					fireball.damage = self.damage;
					fireball.speed = self.bulletSpeed;
					fireball.splashDamage = self.damage * 0.5; // 50% splash damage
					// Add flame trail effect
					var flameTrail = fireball.attachAsset('rangeCircle', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					flameTrail.width = 30;
					flameTrail.height = 30;
					flameTrail.tint = 0xFF6600;
					flameTrail.alpha = 0.6;
					flameTrail.blendMode = 1;
					// Animate flameTrail for a flickering fire effect
					var _animateFlameTrail = function animateFlameTrail() {
						var targetScale = 0.8 + Math.random() * 0.4;
						var targetAlpha = 0.4 + Math.random() * 0.3;
						var targetRotation = flameTrail.rotation + (Math.random() - 0.5) * 0.3;
						tween(flameTrail, {
							scaleX: targetScale,
							scaleY: targetScale,
							alpha: targetAlpha,
							rotation: targetRotation
						}, {
							duration: 50 + Math.random() * 50,
							easing: tween.linear,
							onFinish: _animateFlameTrail
						});
					};
					_animateFlameTrail();
					game.addChild(fireball);
					bullets.push(fireball);
					targetEnemy.bulletsTargetingThis.push(fireball);
					// Animate flame trail
					tween(flameTrail, {
						scaleX: 0.5,
						scaleY: 0.5,
						alpha: 0
					}, {
						duration: 500,
						easing: tween.easeIn
					});
					// Create custom update method for fireball
					fireball.update = function () {
						if (!fireball.targetEnemy || !fireball.targetEnemy.parent) {
							fireball.destroy();
							return;
						}
						var dx = fireball.targetEnemy.x - fireball.x;
						var dy = fireball.targetEnemy.y - fireball.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance < fireball.speed) {
							// Fireball hits enemy - apply damage
							fireball.targetEnemy.health -= fireball.damage;
							var killedByFireball = false;
							if (fireball.targetEnemy.health <= 0) {
								fireball.targetEnemy.health = 0;
								killedByFireball = true;
							} else {
								fireball.targetEnemy.healthBar.width = fireball.targetEnemy.health / fireball.targetEnemy.maxHealth * 70;
							}
							// Create explosion effect
							var explosion = new Container();
							var explosionGraphics = explosion.attachAsset('rangeCircle', {
								anchorX: 0.5,
								anchorY: 0.5
							});
							explosionGraphics.width = 80;
							explosionGraphics.height = 80;
							explosionGraphics.tint = 0xFF4500;
							explosionGraphics.alpha = 0;
							explosionGraphics.blendMode = 1;
							explosion.x = fireball.targetEnemy.x;
							explosion.y = fireball.targetEnemy.y;
							game.addChild(explosion);
							// Animate explosion
							tween(explosion, {
								alpha: 0.8,
								scaleX: 2,
								scaleY: 2
							}, {
								duration: 200,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									tween(explosion, {
										alpha: 0,
										scaleX: 3,
										scaleY: 3
									}, {
										duration: 300,
										easing: tween.easeIn,
										onFinish: function onFinish() {
											if (explosion.parent) {
												explosion.destroy();
											}
										}
									});
								}
							});
							// If enemy was killed by fireball, make them explode
							if (killedByFireball && fireball.targetEnemy && fireball.targetEnemy.parent) {
								var enemyToExplode = fireball.targetEnemy;
								tween.stop(enemyToExplode);
								// Create explosion using the Explosion asset
								var explosion = new Container();
								var explosionGfx = explosion.attachAsset('Explosion', {
									anchorX: 0.5,
									anchorY: 0.5
								});
								explosion.x = enemyToExplode.x;
								explosion.y = enemyToExplode.y;
								explosionGfx.scaleX = 0.2;
								explosionGfx.scaleY = 0.2;
								explosionGfx.alpha = 0.7;
								explosionGfx.rotation = Math.random() * Math.PI * 2;
								game.addChild(explosion);
								// Animate the explosion asset: scale up, fade out, rotate, then pulse and fade for extended effect
								tween(explosionGfx, {
									scaleX: 1.5 + Math.random() * 0.5,
									scaleY: 1.5 + Math.random() * 0.5,
									alpha: 1,
									// Start fully visible
									rotation: explosionGfx.rotation + Math.PI * (Math.random() > 0.5 ? 1 : -1)
								}, {
									duration: 350,
									easing: tween.cubicOut,
									onFinish: function onFinish() {
										// Pulse the explosion for a more dramatic effect
										tween(explosionGfx, {
											scaleX: 2.2 + Math.random() * 0.3,
											scaleY: 2.2 + Math.random() * 0.3,
											alpha: 0.7
										}, {
											duration: 180,
											easing: tween.bounceOut,
											onFinish: function onFinish() {
												// Fade out and expand for the final part of the explosion
												tween(explosionGfx, {
													scaleX: 3.2 + Math.random() * 0.3,
													scaleY: 3.2 + Math.random() * 0.3,
													alpha: 0
												}, {
													duration: 350,
													easing: tween.easeIn,
													onFinish: function onFinish() {
														if (explosion && explosion.parent) {
															explosion.destroy();
														}
													}
												});
											}
										});
									}
								});
								// Animate enemy: scale up, fade out, rotate
								tween(enemyToExplode, {
									scaleX: 1.8,
									scaleY: 1.8,
									alpha: 0,
									rotation: enemyToExplode.rotation + Math.PI * 2 * (Math.random() > 0.5 ? 1 : -1)
								}, {
									duration: 350,
									easing: tween.easeIn,
									onFinish: function onFinish() {
										if (enemyToExplode.parent) {
											enemyToExplode.parent.removeChild(enemyToExplode);
										}
									}
								});
								// Extra explosion particles for dramatic effect
								for (var ep = 0; ep < 16; ep++) {
									var part = new Container();
									var partG = part.attachAsset('towerLevelIndicator', {
										anchorX: 0.5,
										anchorY: 0.5
									});
									partG.width = 10 + Math.random() * 12;
									partG.height = 10 + Math.random() * 12;
									partG.tint = Math.random() > 0.5 ? 0xFF4500 : 0xFFAA00;
									partG.alpha = 0.9;
									part.x = enemyToExplode.x;
									part.y = enemyToExplode.y;
									game.addChild(part);
									var ang = ep / 16 * Math.PI * 2 + Math.random() * 0.5;
									var spd = 60 + Math.random() * 60;
									tween(part, {
										x: part.x + Math.cos(ang) * spd,
										y: part.y + Math.sin(ang) * spd,
										alpha: 0,
										scaleX: 0.1,
										scaleY: 0.1
									}, {
										duration: 500 + Math.random() * 300,
										easing: tween.easeOut,
										onFinish: function onFinish() {
											if (part.parent) {
												part.destroy();
											}
										}
									});
								}
							}
							// Apply splash damage to nearby enemies
							var splashRadius = CELL_SIZE * 1.5;
							for (var i = 0; i < enemies.length; i++) {
								var otherEnemy = enemies[i];
								if (otherEnemy !== fireball.targetEnemy) {
									var splashDx = otherEnemy.x - fireball.targetEnemy.x;
									var splashDy = otherEnemy.y - fireball.targetEnemy.y;
									var splashDistance = Math.sqrt(splashDx * splashDx + splashDy * splashDy);
									if (splashDistance <= splashRadius) {
										// Apply splash damage
										otherEnemy.health -= fireball.splashDamage;
										if (otherEnemy.health <= 0) {
											otherEnemy.health = 0;
										} else {
											otherEnemy.healthBar.width = otherEnemy.health / otherEnemy.maxHealth * 70;
										}
										// Visual indication of splash damage
										var splashEffect = new EffectIndicator(otherEnemy.x, otherEnemy.y, 'splash');
										game.addChild(splashEffect);
									}
								}
							}
							// Create fire particles
							for (var p = 0; p < 12; p++) {
								var particle = new Container();
								var particleGraphics = particle.attachAsset('towerLevelIndicator', {
									anchorX: 0.5,
									anchorY: 0.5
								});
								particleGraphics.width = 6 + Math.random() * 8;
								particleGraphics.height = 6 + Math.random() * 8;
								particleGraphics.tint = Math.random() > 0.5 ? 0xFF4500 : 0xFFAA00;
								particleGraphics.alpha = 0.8;
								particle.x = explosion.x;
								particle.y = explosion.y;
								game.addChild(particle);
								var angle = p / 12 * Math.PI * 2 + Math.random() * 0.5;
								var speed = 50 + Math.random() * 50;
								tween(particle, {
									x: particle.x + Math.cos(angle) * speed,
									y: particle.y + Math.sin(angle) * speed,
									alpha: 0,
									scaleX: 0.1,
									scaleY: 0.1
								}, {
									duration: 600 + Math.random() * 400,
									easing: tween.easeOut,
									onFinish: function onFinish() {
										if (particle.parent) {
											particle.destroy();
										}
									}
								});
							}
							fireball.destroy();
						} else {
							// Move fireball towards enemy
							var angle = Math.atan2(dy, dx);
							fireball.x += Math.cos(angle) * fireball.speed;
							fireball.y += Math.sin(angle) * fireball.speed;
							// Add flame particles while moving
							if (LK.ticks % 3 === 0) {
								var trailParticle = new Container();
								var trailGraphics = trailParticle.attachAsset('towerLevelIndicator', {
									anchorX: 0.5,
									anchorY: 0.5
								});
								trailGraphics.width = 8;
								trailGraphics.height = 8;
								trailGraphics.tint = 0xFF6600;
								trailGraphics.alpha = 0.7;
								trailParticle.x = fireball.x - Math.cos(angle) * 20;
								trailParticle.y = fireball.y - Math.sin(angle) * 20;
								game.addChild(trailParticle);
								tween(trailParticle, {
									alpha: 0,
									scaleX: 0.2,
									scaleY: 0.2
								}, {
									duration: 300,
									easing: tween.easeOut,
									onFinish: function onFinish() {
										if (trailParticle.parent) {
											trailParticle.destroy();
										}
									}
								});
							}
						}
					};
				}
			} else if (self.id === 'default') {
				// Default tower - creates water projectile that travels to enemy
				var potentialDamage = 0;
				for (var i = 0; i < self.targetEnemy.bulletsTargetingThis.length; i++) {
					potentialDamage += self.targetEnemy.bulletsTargetingThis[i].damage;
				}
				if (self.targetEnemy.health > potentialDamage) {
					// Create water projectile using Water asset
					var waterProjectile = new Container();
					var waterGraphics = waterProjectile.attachAsset('Water', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					// Scale water projectile for visibility
					waterGraphics.scaleX = 0.3;
					waterGraphics.scaleY = 0.3;
					waterGraphics.tint = 0x4488FF; // Blue water color
					waterGraphics.alpha = 0.9;
					waterGraphics.rotation = gunContainer.rotation;
					// Position water projectile at gun tip
					var startX = self.x + Math.cos(gunContainer.rotation) * 40;
					var startY = self.y + Math.sin(gunContainer.rotation) * 40;
					waterProjectile.x = startX;
					waterProjectile.y = startY;
					// Store target enemy and damage
					waterProjectile.targetEnemy = self.targetEnemy;
					waterProjectile.damage = self.damage;
					waterProjectile.speed = self.bulletSpeed;
					game.addChild(waterProjectile);
					// Add to bullets array for cleanup
					bullets.push(waterProjectile);
					self.targetEnemy.bulletsTargetingThis.push(waterProjectile);
					// Create custom update method for water projectile
					waterProjectile.update = function () {
						if (!waterProjectile.targetEnemy || !waterProjectile.targetEnemy.parent) {
							waterProjectile.destroy();
							return;
						}
						var dx = waterProjectile.targetEnemy.x - waterProjectile.x;
						var dy = waterProjectile.targetEnemy.y - waterProjectile.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance < waterProjectile.speed) {
							// Water hits enemy - apply damage
							waterProjectile.targetEnemy.health -= waterProjectile.damage;
							if (waterProjectile.targetEnemy.health <= 0) {
								waterProjectile.targetEnemy.health = 0;
							} else {
								waterProjectile.targetEnemy.healthBar.width = waterProjectile.targetEnemy.health / waterProjectile.targetEnemy.maxHealth * 70;
							}
							// Make enemy turn light blue when hit by water - only if not in collision state
							if (!waterProjectile.targetEnemy.pausedForCollision) {
								var enemyGraphics = waterProjectile.targetEnemy.children[0];
								if (waterProjectile.targetEnemy.waveNumber === 1 && waterProjectile.targetEnemy.walkingFrames) {
									// For wave1 enemies, tint the current frame
									enemyGraphics = waterProjectile.targetEnemy.walkingFrames[waterProjectile.targetEnemy.currentFrame];
								}
								// Store original tint to restore later
								if (enemyGraphics.originalTint === undefined) {
									enemyGraphics.originalTint = enemyGraphics.tint;
								}
								// Apply light blue tint immediately
								enemyGraphics.tint = 0x87CEEB;
								// Also tint alien head if it exists
								if (waterProjectile.targetEnemy && waterProjectile.targetEnemy.alienHead && waterProjectile.targetEnemy.alienHead.parent) {
									if (waterProjectile.targetEnemy.alienHead.originalTint === undefined) {
										waterProjectile.targetEnemy.alienHead.originalTint = waterProjectile.targetEnemy.alienHead.tint;
									}
									waterProjectile.targetEnemy.alienHead.tint = 0x87CEEB;
								}
								// Restore original tint after 2 seconds
								tween(enemyGraphics, {}, {
									duration: 2000,
									onFinish: function onFinish() {
										if (enemyGraphics && enemyGraphics.parent && waterProjectile.targetEnemy && !waterProjectile.targetEnemy.pausedForCollision) {
											enemyGraphics.tint = enemyGraphics.originalTint;
										}
										if (waterProjectile.targetEnemy && waterProjectile.targetEnemy.alienHead && waterProjectile.targetEnemy.alienHead.parent && !waterProjectile.targetEnemy.pausedForCollision) {
											waterProjectile.targetEnemy.alienHead.tint = waterProjectile.targetEnemy.alienHead.originalTint;
										}
									}
								});
							}
							// Create splatter effect at enemy position
							var splatterX = waterProjectile.targetEnemy.x;
							var splatterY = waterProjectile.targetEnemy.y;
							// Create splatter particles radiating from impact point
							for (var splat = 0; splat < 8; splat++) {
								var splatterParticle = new Container();
								var splatterGraphics = splatterParticle.attachAsset('towerLevelIndicator', {
									anchorX: 0.5,
									anchorY: 0.5
								});
								// Create varied splatter droplet sizes
								splatterGraphics.width = 8 + Math.random() * 12;
								splatterGraphics.height = 8 + Math.random() * 12;
								splatterGraphics.tint = 0x2288FF; // Slightly darker blue for splatter
								splatterGraphics.alpha = 0.7 + Math.random() * 0.3;
								// Position at impact point
								splatterParticle.x = splatterX;
								splatterParticle.y = splatterY;
								splatterParticle.scaleX = 0.5;
								splatterParticle.scaleY = 0.5;
								game.addChild(splatterParticle);
								// Calculate splatter direction - radial outward from impact
								var splatterAngle = splat / 8 * Math.PI * 2 + (Math.random() - 0.5) * 0.8;
								var splatterDistance = 30 + Math.random() * 40;
								var splatterTargetX = splatterX + Math.cos(splatterAngle) * splatterDistance;
								var splatterTargetY = splatterY + Math.sin(splatterAngle) * splatterDistance;
								// Animate splatter particles flying outward
								tween(splatterParticle, {
									x: splatterTargetX,
									y: splatterTargetY,
									scaleX: 1.2,
									scaleY: 1.2,
									alpha: 0
								}, {
									duration: 300 + Math.random() * 200,
									easing: tween.easeOut,
									onFinish: function onFinish() {
										if (splatterParticle && splatterParticle.parent) {
											splatterParticle.destroy();
										}
									}
								});
							}
							// Create main splatter burst effect
							var splatterBurst = new Container();
							var burstGraphics = splatterBurst.attachAsset('rangeCircle', {
								anchorX: 0.5,
								anchorY: 0.5
							});
							burstGraphics.width = 60;
							burstGraphics.height = 60;
							burstGraphics.tint = 0x3399FF;
							burstGraphics.alpha = 0;
							burstGraphics.blendMode = 1; // Additive blending for bright effect
							splatterBurst.x = splatterX;
							splatterBurst.y = splatterY;
							game.addChild(splatterBurst);
							// Animate burst effect
							tween(splatterBurst, {
								alpha: 0.8,
								scaleX: 2,
								scaleY: 2
							}, {
								duration: 150,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									tween(splatterBurst, {
										alpha: 0,
										scaleX: 3,
										scaleY: 3
									}, {
										duration: 300,
										easing: tween.easeIn,
										onFinish: function onFinish() {
											if (splatterBurst && splatterBurst.parent) {
												splatterBurst.destroy();
											}
										}
									});
								}
							});
							waterProjectile.destroy();
						} else {
							// Move water projectile towards enemy
							var angle = Math.atan2(dy, dx);
							waterProjectile.x += Math.cos(angle) * waterProjectile.speed;
							waterProjectile.y += Math.sin(angle) * waterProjectile.speed;
						}
					};
				}
			} else {
				// Non-default towers use bullet system
				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;
					var bullet = new Bullet(bulletX, bulletY, self.targetEnemy, self.damage, 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 = 0x9900FF;
							bullet.children[0].width = 15;
							bullet.children[0].height = 15;
							break;
						case 'splash':
							bullet.children[0].tint = 0xFF0000;
							bullet.children[0].width = 40;
							bullet.children[0].height = 40;
							break;
						case 'slow':
							bullet.children[0].tint = 0xB8860B;
							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);
				}
			}
			// --- Fire recoil effect for gunContainer ---
			// Stop any ongoing recoil tweens before starting a new one
			tween.stop(gunContainer, {
				x: true,
				y: true,
				scaleX: true,
				scaleY: true
			});
			// 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();
	};
	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 = 0x9900FF;
				break;
			case 'splash':
				previewGraphics.tint = 0xFF0000;
				break;
			case 'slow':
				previewGraphics.tint = 0xB8860B;
				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;
		// Check if tower is being placed in allowed columns (0, 1, 2, 5, 6, or 7)
		if (self.gridX < 0 || self.gridX > 2 && self.gridX < 5 || self.gridX > 7) {
			validGridPlacement = false;
		}
		// Check if tower is being placed in allowed enemy path rows (2, 6, 11, 16, 21)
		var allowedRows = [2, 6, 11, 16, 21];
		var validRowPlacement = false;
		for (var r = 0; r < allowedRows.length; r++) {
			if (self.gridY === allowedRows[r] || self.gridY + 1 === allowedRows[r]) {
				validRowPlacement = true;
				break;
			}
		}
		if (!validRowPlacement) {
			validGridPlacement = false;
		}
		// Check if all cells for the tower are within grid bounds and allowed columns
		if (validGridPlacement) {
			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) {
						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.currentCellX > 20) {
					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 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: 0xFFFFFF,
		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();
		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;
	};
	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;
			var notification = game.addChild(new Notification("Game started! Wave 1 incoming!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 150;
		}
	};
	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 = 4;
		waveTypeShadow.y = 4;
		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) {
				// Check if current wave enemies are all cleared
				var currentWaveEnemiesRemaining = false;
				for (var i = 0; i < enemies.length; i++) {
					if (enemies[i].waveNumber === currentWave) {
						currentWaveEnemiesRemaining = true;
						break;
					}
				}
				// Auto-advance to next wave immediately when all enemies are defeated
				if (currentWave === 0 || !currentWaveEnemiesRemaining && waveSpawned) {
					// No timer delay - advance immediately
					currentWave++;
					waveTimer = 0;
					waveInProgress = true;
					waveSpawned = false;
					// Show notification for all waves including wave 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;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x333333
});

/**** 
* Game Code
****/ 
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 = [];
var defenses = [];
var selectedTower = null;
var gold = 80;
var lives = 20;
var score = 0;
var currentWave = 0;
var totalWaves = 50;
var waveTimer = 0;
var waveInProgress = false;
var waveSpawned = false;
var nextWaveTime = 1800; // 30 seconds at 60fps instead of 100 seconds
var sourceTower = null;
var enemiesToSpawn = 10; // Default number of enemies per wave
var enemySpawnTimer = 0; // Timer for spawning enemies at intervals
var enemiesSpawnedThisWave = 0; // Count of enemies spawned in current wave
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();
}
var backdrop = LK.getAsset('Backdrop1', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	scaleX: 0.5,
	scaleY: 0.5
});
game.addChild(backdrop);
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, 19 + 6);
grid.x = 150;
grid.y = 200 - CELL_SIZE * 4 + 500 + 100;
grid.pathFind();
// Add visual grid to scene
var gridLayer = new Container();
for (var i = 0; i < 24; i++) {
	for (var j = 0; j < 19 + 6; j++) {
		var gridCell = new Container();
		var cellGraphics = gridCell.attachAsset('cell', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		cellGraphics.alpha = 0.3;
		cellGraphics.tint = 0x888888;
		gridCell.x = grid.x + i * CELL_SIZE + CELL_SIZE / 2;
		gridCell.y = grid.y + j * CELL_SIZE + CELL_SIZE / 2;
		gridLayer.addChild(gridCell);
	}
}
// Add grid lines for visibility
var gridLinesLayer = new Container();
// Vertical lines
for (var i = 0; i <= 24; i++) {
	var verticalLine = new Container();
	var lineGraphics = verticalLine.attachAsset('cell', {
		anchorX: 0.5,
		anchorY: 0
	});
	lineGraphics.width = 2;
	lineGraphics.height = (19 + 6) * CELL_SIZE;
	lineGraphics.tint = 0xFFFFFF;
	lineGraphics.alpha = 0.4;
	verticalLine.x = grid.x + i * CELL_SIZE;
	verticalLine.y = grid.y;
	gridLinesLayer.addChild(verticalLine);
}
// Horizontal lines
for (var j = 0; j <= 19 + 6; j++) {
	var horizontalLine = new Container();
	var lineGraphics = horizontalLine.attachAsset('cell', {
		anchorX: 0,
		anchorY: 0.5
	});
	lineGraphics.width = 24 * CELL_SIZE;
	lineGraphics.height = 2;
	lineGraphics.tint = 0xFFFFFF;
	lineGraphics.alpha = 0.4;
	horizontalLine.x = grid.x;
	horizontalLine.y = grid.y + j * CELL_SIZE;
	gridLinesLayer.addChild(horizontalLine);
}
game.addChild(gridLayer);
game.addChild(gridLinesLayer);
// Add grid edge numbers for identification
var gridNumbersLayer = new Container();
// Add column numbers (0-23) along the top edge
for (var i = 0; i < 24; i++) {
	var columnNumber = new Text2(i.toString(), {
		size: 40,
		fill: 0xFFFFFF,
		weight: 800
	});
	columnNumber.anchor.set(0.5, 0.5);
	columnNumber.x = grid.x + i * CELL_SIZE + CELL_SIZE / 2;
	columnNumber.y = grid.y - 30; // Position above the grid
	gridNumbersLayer.addChild(columnNumber);
}
// Add row numbers (24-1) along the left edge - countdown from 24 to 1
for (var j = 0; j < 19 + 6; j++) {
	var displayNumber = 19 + 6 - j; // Convert 0-24 to 25-1, then subtract 1 to get 24-0, but we want 24-1
	var rowNumber = new Text2(displayNumber.toString(), {
		size: 40,
		fill: 0xFFFFFF,
		weight: 800
	});
	rowNumber.anchor.set(0.5, 0.5);
	rowNumber.x = grid.x - 30; // Position to the left of the grid
	rowNumber.y = grid.y + j * CELL_SIZE + CELL_SIZE / 2;
	gridNumbersLayer.addChild(rowNumber);
}
game.addChild(gridNumbersLayer);
game.addChild(enemyLayer);
game.addChild(towerLayer);
var offset = 0;
var towerPreview = new TowerPreview();
game.addChild(towerPreview);
towerPreview.visible = false;
// Create small green placemats for tower placement indicators
var placementHighlights = [];
var validColumns = [0, 1, 2, 5, 6, 7];
var validRows = [2, 6, 11, 16, 21]; // Enemy path rows
for (var i = 0; i < validColumns.length; i++) {
	for (var j = 0; j < validRows.length; j++) {
		var col = validColumns[i];
		var row = validRows[j];
		var placemat = new Container();
		var placematGraphics = placemat.attachAsset('Placemat', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Small green placemat size (2x2 cells for tower placement)
		placematGraphics.width = CELL_SIZE * 2;
		placematGraphics.height = CELL_SIZE * 2;
		placematGraphics.tint = 0x33cb0b; // Green placemat color
		placematGraphics.alpha = 0.6;
		// Position at center of each valid placement location
		placemat.x = grid.x + col * CELL_SIZE + CELL_SIZE;
		placemat.y = grid.y + row * CELL_SIZE + CELL_SIZE;
		placemat.visible = false;
		game.addChild(placemat);
		placementHighlights.push(placemat);
	}
}
var isDragging = false;
var selectedTowerType = null;
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();
	return blocked;
}
function getTowerCost(towerType) {
	var cost = 5;
	switch (towerType) {
		case 'rapid':
			cost = 15;
			break;
		case 'sniper':
			cost = 25;
			break;
		case 'splash':
			cost = 35;
			break;
		case 'slow':
			cost = 45;
			break;
		case 'poison':
			cost = 55;
			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();
		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) {
	var upgradeMenuVisible = game.children.some(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenuVisible) {
		return;
	}
	// Check if clicking on a source tower button
	for (var i = 0; i < sourceTowers.length; i++) {
		var tower = sourceTowers[i];
		if (x >= tower.x - tower.width / 2 && x <= tower.x + tower.width / 2 && y >= tower.y - tower.height / 2 && y <= tower.y + tower.height / 2) {
			// Check if player can afford this tower
			var towerCost = getTowerCost(tower.towerType);
			if (gold < towerCost) {
				var notification = game.addChild(new Notification("Not enough gold!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return;
			}
			// Enable placement mode
			selectedTowerType = tower.towerType;
			towerPreview.visible = false; // Hide preview initially
			// Show placement highlights for valid tower positions
			for (var h = 0; h < placementHighlights.length; h++) {
				placementHighlights[h].visible = true;
			}
			return;
		}
	}
	// Check if clicking on highlighted placement area when tower type is selected
	if (selectedTowerType) {
		// Convert screen coordinates to grid coordinates
		var gridPosX = x - grid.x;
		var gridPosY = y - grid.y;
		var gridX = Math.floor(gridPosX / CELL_SIZE);
		var gridY = Math.floor(gridPosY / CELL_SIZE);
		// Check if clicking in valid placement area (columns 0, 1, 2, 5, 6, 7 and enemy path rows 2, 6, 11, 16, 21)
		var allowedRows = [2, 6, 11, 16, 21];
		var validRowPlacement = false;
		for (var r = 0; r < allowedRows.length; r++) {
			if (gridY === allowedRows[r] || gridY + 1 === allowedRows[r]) {
				validRowPlacement = true;
				break;
			}
		}
		if ((gridX >= 0 && gridX <= 2 || gridX >= 5 && gridX <= 7) && gridY >= 0 && gridY < 19 + 6 && validRowPlacement) {
			// Attempt to place tower
			if (!wouldBlockPath(gridX, gridY)) {
				// Check if area is clear of enemies
				var blockedByEnemy = false;
				for (var e = 0; e < enemies.length; e++) {
					var enemy = enemies[e];
					if (enemy.currentCellX > 20) continue;
					// Only check non-flying enemies
					if (!enemy.isFlying) {
						if (enemy.cellX >= gridX && enemy.cellX < gridX + 2 && enemy.cellY >= gridY && enemy.cellY < gridY + 2) {
							blockedByEnemy = true;
							break;
						}
						if (enemy.currentTarget) {
							var targetX = enemy.currentTarget.x;
							var targetY = enemy.currentTarget.y;
							if (targetX >= gridX && targetX < gridX + 2 && targetY >= gridY && targetY < gridY + 2) {
								blockedByEnemy = true;
								break;
							}
						}
					}
				}
				if (!blockedByEnemy) {
					// Place the tower
					if (placeTower(gridX, gridY, selectedTowerType)) {
						// Successfully placed tower, clear selection
						selectedTowerType = null;
						// Hide placement highlights
						for (var h = 0; h < placementHighlights.length; h++) {
							placementHighlights[h].visible = false;
						}
					}
				} else {
					var notification = game.addChild(new Notification("Cannot build: Enemy in the way!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 50;
				}
			} else {
				var notification = game.addChild(new Notification("Tower would block the path!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
		} else {
			// Clicking outside valid area cancels tower placement
			selectedTowerType = null;
			// Hide placement highlights
			for (var h = 0; h < placementHighlights.length; h++) {
				placementHighlights[h].visible = false;
			}
		}
	}
};
game.move = function (x, y, obj) {
	// Tower preview movement removed - now using click-to-place system
};
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;
		}
	}
};
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;
	game.addChild(tower);
	sourceTowers.push(tower);
}
sourceTower = null;
enemiesToSpawn = 10;
game.update = function () {
	if (waveInProgress && currentWave > 0) {
		if (!waveSpawned) {
			waveSpawned = true;
			enemySpawnTimer = 0; // Reset spawn timer
			enemiesSpawnedThisWave = 0; // Reset enemies spawned count
			// 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;
			}
			// Store enemy count for spawning
			enemiesToSpawn = enemyCount;
		}
		// Spawn enemies at 15-second intervals (900 frames at 60 FPS) 
		if (enemiesSpawnedThisWave < enemiesToSpawn) {
			enemySpawnTimer++;
			if (enemySpawnTimer >= 900 || enemiesSpawnedThisWave === 0) {
				// First enemy spawns immediately
				enemySpawnTimer = 0; // Reset timer
				var waveType = waveIndicator.getWaveType(currentWave);
				var enemy = new Enemy(waveType);
				// Set enemy number for identification
				enemy.setEnemyNumber(enemiesSpawnedThisWave + 1);
				// 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 exponential scaling for health
				var healthMultiplier = Math.pow(1.12, currentWave); // ~20% increase per wave
				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 from the right side of the screen
				var gridHeight = 19 + 6;
				var midPoint = Math.floor(gridHeight / 2); // Around middle of the grid
				// Find a row that isn't occupied by another enemy that's not yet in view
				var availableRows = [];
				for (var row = midPoint - 3; row < midPoint + 3; row++) {
					var rowOccupied = false;
					// Check if any enemy is already in this row but not yet in view
					for (var e = 0; e < enemies.length; e++) {
						if (enemies[e].cellY === row && enemies[e].currentCellX > 20) {
							rowOccupied = true;
							break;
						}
					}
					if (!rowOccupied) {
						availableRows.push(row);
					}
				}
				// If all rows are occupied, use original random method
				var spawnY;
				// Enemy 1 always spawns on row 22 (grid index 2)
				if (enemiesSpawnedThisWave === 0) {
					spawnY = 2; // Row 22 in the display (24-22 = 2)
				} else if (enemiesSpawnedThisWave === 1) {
					spawnY = 6; // Row 18 in the display (24-18 = 6)
				} else if (enemiesSpawnedThisWave === 2) {
					spawnY = 21; // Row 3 in the display (24-21 = 3)
				} else if (enemiesSpawnedThisWave === 3) {
					spawnY = 16; // Row 8 in the display (24-16 = 8)
				} else if (enemiesSpawnedThisWave === 4) {
					spawnY = 11; // Row 13 in the display (24-11 = 13)
				} else if (enemiesSpawnedThisWave === 5) {
					spawnY = 2; // Row 22 in the display (24-2 = 22)
				} else if (enemiesSpawnedThisWave === 6) {
					spawnY = 21; // Row 3 in the display (24-21 = 3)
				} else if (enemiesSpawnedThisWave === 7) {
					spawnY = 11; // Row 13 in the display (24-11 = 13)
				} else if (enemiesSpawnedThisWave === 8) {
					spawnY = 16; // Row 8 in the display (24-16 = 8)
				} else if (enemiesSpawnedThisWave === 9) {
					spawnY = 2; // Row 22 in the display (24-2 = 22)
				} else if (availableRows.length > 0) {
					// Choose a random unoccupied row
					spawnY = availableRows[Math.floor(Math.random() * availableRows.length)];
				} else {
					// Fallback to random if all rows are occupied
					spawnY = midPoint - 3 + Math.floor(Math.random() * 6);
				}
				var spawnX = 25 + Math.random() * 5; // Random distance to the right of the grid for spreading
				enemy.cellX = 20; // Position after entry from right
				enemy.cellY = spawnY;
				enemy.currentCellX = spawnX;
				enemy.currentCellY = spawnY;
				enemy.waveNumber = currentWave;
				enemies.push(enemy);
				enemiesSpawnedThisWave++;
			}
		}
		var currentWaveEnemiesRemaining = false;
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i].waveNumber === currentWave) {
				currentWaveEnemiesRemaining = true;
				break;
			}
		}
		if (waveSpawned && enemiesSpawnedThisWave >= enemiesToSpawn && !currentWaveEnemiesRemaining) {
			waveInProgress = false;
		}
	}
	for (var t = towers.length - 1; t >= 0; t--) {
		var tower = towers[t];
		// If tower is poison and has an active plasmaray, destroy it if tower is removed
		if (tower.id === 'poison' && tower._plasmarayBlast && tower._plasmarayBlast.parent && (!tower.parent || tower.destroyed)) {
			tower._plasmarayBlast.destroy();
			tower._plasmarayActive = false;
			tower._plasmarayBlast = null;
			tower._plasmarayTarget = null;
		}
		// Defensive: if tower is poison and plasmaray is active but plasmarayBlast is missing, clear state
		if (tower.id === 'poison' && tower._plasmarayActive && (!tower._plasmarayBlast || !tower._plasmarayBlast.parent)) {
			tower._plasmarayActive = false;
			tower._plasmarayBlast = null;
			tower._plasmarayTarget = null;
		}
	}
	for (var a = enemies.length - 1; a >= 0; a--) {
		var enemy = enemies[a];
		if (enemy.health <= 0 && !enemy.isDying) {
			// Mark enemy as dying immediately to prevent multiple death animations
			enemy.isDying = true;
			// Stop all tweens on enemy to prevent conflicts
			tween.stop(enemy);
			// Remove enemy from enemies array immediately to prevent further processing this frame
			enemies.splice(a, 1);
			// Clean up electricity effect if exists
			if (enemy.electricityEffect && enemy.electricityEffect.parent) {
				game.removeChild(enemy.electricityEffect);
				enemy.electricityEffect = null;
			}
			// Stop any tweens on the enemy
			tween.stop(enemy);
			// Clean up all bullet targeting references
			for (var i = 0; i < enemy.bulletsTargetingThis.length; i++) {
				var bullet = enemy.bulletsTargetingThis[i];
				if (bullet && bullet.parent) {
					bullet.targetEnemy = null;
					tween.stop(bullet); // Stop any bullet tweens
				}
			}
			enemy.bulletsTargetingThis = []; // Clear the array
			// Boss enemies give more gold and score
			var goldEarned;
			if (enemy.waveNumber === 1 && !enemy.isBoss) {
				goldEarned = 5;
			} else if (enemy.waveNumber === 2 && !enemy.isBoss) {
				goldEarned = 7;
			} else {
				goldEarned = enemy.isBoss ? Math.floor(50 + (enemy.waveNumber - 1) * 5) : Math.floor(1 + (enemy.waveNumber - 1) * 0.5);
			}
			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();
			// Check if enemy was killed by water (default tower)
			var killedByWater = false;
			if (enemy.bulletsTargetingThis && enemy.bulletsTargetingThis.length > 0) {
				for (var b = 0; b < enemy.bulletsTargetingThis.length; b++) {
					var bullet = enemy.bulletsTargetingThis[b];
					if (bullet && bullet.parent && bullet.type === undefined) {
						// Default tower (water) does not set bullet.type
						killedByWater = true;
						break;
					}
				}
			}
			// If killed by water, do blue fade and dripping effect
			if (killedByWater) {
				// Stop ALL tweens on the enemy to prevent conflicts
				tween.stop(enemy);
				// Also stop tweens on all child elements
				for (var childIndex = 0; childIndex < enemy.children.length; childIndex++) {
					tween.stop(enemy.children[childIndex]);
				}
				if (enemy.alienHead) {
					tween.stop(enemy.alienHead);
				}
				// Tint enemy blue and fade out
				var enemyGraphics = enemy.children[0];
				if (enemy.waveNumber === 1 && enemy.walkingFrames) {
					enemyGraphics = enemy.walkingFrames[enemy.currentFrame];
				}
				// Also tint alien head if present
				if (enemy.alienHead) {
					tween(enemy.alienHead, {
						tint: 0x3399FF
					}, {
						duration: 120
					});
				}
				tween(enemyGraphics, {
					tint: 0x3399FF
				}, {
					duration: 120
				});
				// Animate fade out and slight shrink
				tween(enemy, {
					alpha: 0,
					scaleY: 0.7
				}, {
					duration: 700,
					easing: tween.easeIn,
					onFinish: function onFinish() {
						// Clean up shadow if it's a flying enemy
						if (enemy.isFlying && enemy.shadow) {
							enemyLayerMiddle.removeChild(enemy.shadow);
							enemy.shadow = null;
						}
						// Remove enemy from the appropriate layer
						if (enemy.isFlying) {
							enemyLayerTop.removeChild(enemy);
						} else {
							enemyLayerBottom.removeChild(enemy);
						}
						// Already removed from enemies array above to prevent double-processing
					}
				});
				// Dripping effect: spawn blue droplets falling from enemy
				for (var drip = 0; drip < 7; drip++) {
					(function (drip) {
						var droplet = new Container();
						var dropletGfx = droplet.attachAsset('towerLevelIndicator', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						dropletGfx.width = 8 + Math.random() * 8;
						dropletGfx.height = 12 + Math.random() * 8;
						dropletGfx.tint = 0x2288FF;
						dropletGfx.alpha = 0.8;
						droplet.x = enemy.x + (Math.random() - 0.5) * 30;
						droplet.y = enemy.y + (enemy.height ? enemy.height / 2 : 40) + Math.random() * 10;
						droplet.scaleX = 0.7 + Math.random() * 0.5;
						droplet.scaleY = 0.7 + Math.random() * 0.5;
						game.addChild(droplet);
						var dripDistance = 60 + Math.random() * 40;
						tween(droplet, {
							y: droplet.y + dripDistance,
							alpha: 0
						}, {
							duration: 400 + Math.random() * 200,
							delay: drip * 40,
							easing: tween.easeIn,
							onFinish: function onFinish() {
								if (droplet && droplet.parent) droplet.destroy();
							}
						});
					})(drip);
				}
				continue;
			}
			// Apply falling death animation for all enemies
			// Stop any existing tweens on the enemy
			tween.stop(enemy, {
				y: true,
				rotation: true,
				alpha: true
			});
			// Create falling animation with rotation and fade
			tween(enemy, {
				y: enemy.y + 300,
				// Fall down 300 pixels
				rotation: enemy.rotation + Math.PI * 2 * (Math.random() > 0.5 ? 1 : -1),
				// Random spin direction
				alpha: 0 // Fade out
			}, {
				duration: 800,
				// Fall for 800ms
				easing: tween.easeIn,
				onFinish: function onFinish() {
					// Clean up shadow if it's a flying enemy
					if (enemy.isFlying && enemy.shadow) {
						enemyLayerMiddle.removeChild(enemy.shadow);
						enemy.shadow = null;
					}
					// Remove enemy from the appropriate layer
					if (enemy.isFlying) {
						enemyLayerTop.removeChild(enemy);
					} else {
						enemyLayerBottom.removeChild(enemy);
					}
					// Already removed from enemies array above to prevent double-processing
				}
			});
			continue;
		}
		// Check collision with towers before movement
		var collidedTower = null;
		for (var t = 0; t < towers.length; t++) {
			var tower = towers[t];
			// Check if enemy is touching tower (within tower's bounds)
			var dx = enemy.x - tower.x;
			var dy = enemy.y - tower.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Tower size is 2x2 cells (152x152 pixels), so collision radius should be about 120 for better detection
			if (distance < 120) {
				collidedTower = tower;
				break;
			}
		}
		// Handle tower collision
		if (collidedTower) {
			// Initialize collision state if not already set
			if (!enemy.collidingWithTower) {
				enemy.collidingWithTower = true;
				enemy.pausedForCollision = true;
				enemy.collisionTimer = 0;
				// Create electricity effect only if one doesn't exist
				if (!enemy.electricityEffect) {
					enemy.collisionTower = collidedTower; // Store reference to colliding tower
					var electricityEffect = new Container();
					electricityEffect.x = collidedTower.x;
					electricityEffect.y = collidedTower.y;
					enemy.electricityEffect = electricityEffect;
					// Create multiple electric sparks
					for (var spark = 0; spark < 8; spark++) {
						var sparkContainer = new Container();
						var sparkGraphics = sparkContainer.attachAsset('towerLevelIndicator', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						sparkGraphics.width = 8 + Math.random() * 12;
						sparkGraphics.height = 8 + Math.random() * 12;
						sparkGraphics.tint = 0xFFFF00; // Yellow electric color
						sparkGraphics.alpha = 0.8 + Math.random() * 0.2;
						// Position sparks randomly around the tower
						var sparkAngle = spark / 8 * Math.PI * 2 + Math.random() * 0.5;
						var sparkDistance = 20 + Math.random() * 40;
						sparkContainer.x = Math.cos(sparkAngle) * sparkDistance;
						sparkContainer.y = Math.sin(sparkAngle) * sparkDistance;
						sparkContainer.scaleX = 0.1;
						sparkContainer.scaleY = 0.1;
						electricityEffect.addChild(sparkContainer);
						// Animate spark with quick flash
						tween(sparkContainer, {
							scaleX: 1.5,
							scaleY: 1.5,
							alpha: 1
						}, {
							duration: 100,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								tween(sparkContainer, {
									scaleX: 0.1,
									scaleY: 0.1,
									alpha: 0
								}, {
									duration: 200,
									easing: tween.easeIn,
									onFinish: function onFinish() {
										if (sparkContainer.parent) {
											sparkContainer.parent.removeChild(sparkContainer);
										}
									}
								});
							}
						});
					}
					// Add main electric flash effect
					var mainFlash = electricityEffect.attachAsset('rangeCircle', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					mainFlash.width = 120;
					mainFlash.height = 120;
					mainFlash.tint = 0x00FFFF; // Cyan electric color
					mainFlash.alpha = 0;
					mainFlash.blendMode = 1; // Additive blending
					// Flash animation
					tween(mainFlash, {
						alpha: 0.6,
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 150,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(mainFlash, {
								alpha: 0,
								scaleX: 2,
								scaleY: 2
							}, {
								duration: 400,
								easing: tween.easeIn,
								onFinish: function onFinish() {
									if (electricityEffect.parent) {
										game.removeChild(electricityEffect);
									}
									// Clear reference
									if (enemy.electricityEffect === electricityEffect) {
										enemy.electricityEffect = null;
									}
								}
							});
						}
					});
					game.addChild(electricityEffect);
				}
			}
			// Handle collision timer
			if (enemy.pausedForCollision && enemy.collisionTower) {
				enemy.collisionTimer++;
				// Create destructive effects animation while attacking
				var destructionProgress = enemy.collisionTimer / 120; // 0 to 1 progress
				var towerToShake = enemy.collisionTower;
				// Initialize destruction effects if not already done
				if (!enemy.destructionEffects) {
					enemy.destructionEffects = [];
					// Create debris particles around the tower
					for (var debris = 0; debris < 15; debris++) {
						var debrisParticle = new Container();
						var debrisGraphics = debrisParticle.attachAsset('towerLevelIndicator', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						debrisGraphics.width = 4 + Math.random() * 10;
						debrisGraphics.height = 4 + Math.random() * 10;
						// Vary debris colors for more realistic destruction
						var debrisColors = [0x8B4513, 0x696969, 0xA0522D, 0x654321, 0x808080];
						debrisGraphics.tint = debrisColors[Math.floor(Math.random() * debrisColors.length)];
						debrisGraphics.alpha = 0.7 + Math.random() * 0.3;
						// Position debris around the tower
						var debrisAngle = debris / 15 * Math.PI * 2 + Math.random() * 0.5;
						var debrisDistance = 25 + Math.random() * 25;
						debrisParticle.x = towerToShake.x + Math.cos(debrisAngle) * debrisDistance;
						debrisParticle.y = towerToShake.y + Math.sin(debrisAngle) * debrisDistance;
						debrisParticle.scaleX = 0.1;
						debrisParticle.scaleY = 0.1;
						debrisParticle.originalX = debrisParticle.x;
						debrisParticle.originalY = debrisParticle.y;
						// Add rotation property for spinning debris
						debrisParticle.rotation = Math.random() * Math.PI * 2;
						debrisParticle.originalRotation = debrisParticle.rotation;
						game.addChild(debrisParticle);
						enemy.destructionEffects.push(debrisParticle);
					}
				}
				// Update destruction effects based on progress
				if (enemy.destructionEffects) {
					for (var d = 0; d < enemy.destructionEffects.length; d++) {
						var debrisParticle = enemy.destructionEffects[d];
						if (debrisParticle && debrisParticle.parent) {
							// Scale up debris particles as destruction progresses
							debrisParticle.scaleX = destructionProgress * 1.8;
							debrisParticle.scaleY = destructionProgress * 1.8;
							debrisParticle.alpha = 0.8 - destructionProgress * 0.4;
							// Add varied movement to debris with floating effect
							var wobbleX = Math.sin(enemy.collisionTimer * 0.2 + d * 0.5) * 4;
							var wobbleY = Math.cos(enemy.collisionTimer * 0.25 + d * 0.3) * 3;
							var floatY = Math.sin(enemy.collisionTimer * 0.1 + d) * 2;
							debrisParticle.x = debrisParticle.originalX + wobbleX;
							debrisParticle.y = debrisParticle.originalY + wobbleY + floatY;
							// Add spinning motion to debris
							debrisParticle.rotation = debrisParticle.originalRotation + enemy.collisionTimer * 0.05 * (d % 2 === 0 ? 1 : -1);
						}
					}
				}
				// Create tower shake effect
				if (towerToShake && towerToShake.parent) {
					// Initialize shake properties if not set
					if (towerToShake.originalX === undefined) {
						towerToShake.originalX = towerToShake.x;
						towerToShake.originalY = towerToShake.y;
					}
					// Shake intensity increases with destruction progress
					var shakeIntensity = destructionProgress * 8;
					var shakeX = (Math.random() - 0.5) * shakeIntensity;
					var shakeY = (Math.random() - 0.5) * shakeIntensity;
					towerToShake.x = towerToShake.originalX + shakeX;
					towerToShake.y = towerToShake.originalY + shakeY;
					// Add pulsing damage effect to show damage
					var damageRed = Math.floor(destructionProgress * 255);
					var pulseIntensity = Math.sin(enemy.collisionTimer * 0.3) * 0.3 + 0.7;
					var pulsedRed = Math.floor(damageRed * pulseIntensity);
					towerToShake.tint = 255 << 16 | 255 - pulsedRed << 8 | 255 - pulsedRed; // Pulsing red tint
					// Create destruction sparks periodically with varying frequency
					var sparkFrequency = Math.max(5, 15 - Math.floor(destructionProgress * 10));
					if (enemy.collisionTimer % sparkFrequency === 0) {
						// Create multiple sparks per cycle as destruction progresses
						var sparksToCreate = Math.floor(1 + destructionProgress * 3);
						for (var sparkCount = 0; sparkCount < sparksToCreate; sparkCount++) {
							var destructionSpark = new Container();
							var sparkGraphics = destructionSpark.attachAsset('towerLevelIndicator', {
								anchorX: 0.5,
								anchorY: 0.5
							});
							sparkGraphics.width = 3 + Math.random() * 8;
							sparkGraphics.height = 3 + Math.random() * 8;
							// Vary spark colors for more dynamic destruction
							var sparkColors = [0xFF4500, 0xFF6600, 0xFF8800, 0xFFAA00, 0xFFCC00];
							sparkGraphics.tint = sparkColors[Math.floor(Math.random() * sparkColors.length)];
							sparkGraphics.alpha = 0.8 + Math.random() * 0.2;
							// Position spark at tower location with random offset
							var sparkRadius = 40 + destructionProgress * 40;
							destructionSpark.x = towerToShake.x + (Math.random() - 0.5) * sparkRadius;
							destructionSpark.y = towerToShake.y + (Math.random() - 0.5) * sparkRadius;
							destructionSpark.scaleX = 0.3 + Math.random() * 0.4;
							destructionSpark.scaleY = 0.3 + Math.random() * 0.4;
							game.addChild(destructionSpark);
							// Animate spark with varied trajectories
							var sparkDirection = Math.random() * Math.PI * 2;
							var sparkDistance = 20 + Math.random() * 30;
							tween(destructionSpark, {
								scaleX: 1.5 + Math.random() * 1,
								scaleY: 1.5 + Math.random() * 1,
								alpha: 0,
								x: destructionSpark.x + Math.cos(sparkDirection) * sparkDistance,
								y: destructionSpark.y + Math.sin(sparkDirection) * sparkDistance - 20 - Math.random() * 15
							}, {
								duration: 350 + Math.random() * 150,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									if (destructionSpark.parent) {
										destructionSpark.destroy();
									}
								}
							});
						}
					}
				}
				// Keep enemy paused for 2 seconds (120 frames at 60fps)
				if (enemy.collisionTimer >= 120) {
					// Destroy the tower after collision timer expires
					var towerToDestroy = enemy.collisionTower;
					var towerIndex = towers.indexOf(towerToDestroy);
					if (towerIndex !== -1 && towerToDestroy.parent) {
						// Remove tower from grid
						for (var i = 0; i < 2; i++) {
							for (var j = 0; j < 2; j++) {
								var cell = grid.getCell(collidedTower.gridX + i, collidedTower.gridY + j);
								if (cell) {
									cell.type = 0; // Reset cell to passable
									var towerCellIndex = cell.towersInRange.indexOf(collidedTower);
									if (towerCellIndex !== -1) {
										cell.towersInRange.splice(towerCellIndex, 1);
									}
								}
							}
						}
						// Remove from towers array and display
						towers.splice(towerIndex, 1);
						towerLayer.removeChild(collidedTower);
						// Create final destruction explosion effect
						var finalExplosion = new Container();
						var explosionGraphics = finalExplosion.attachAsset('rangeCircle', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						explosionGraphics.width = 100;
						explosionGraphics.height = 100;
						explosionGraphics.tint = 0xFF6600; // Orange explosion
						explosionGraphics.alpha = 0;
						explosionGraphics.blendMode = 1; // Additive blending
						finalExplosion.x = collidedTower.x;
						finalExplosion.y = collidedTower.y;
						game.addChild(finalExplosion);
						// Animate final explosion
						tween(finalExplosion, {
							alpha: 0.8,
							scaleX: 3,
							scaleY: 3
						}, {
							duration: 300,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								tween(finalExplosion, {
									alpha: 0,
									scaleX: 5,
									scaleY: 5
								}, {
									duration: 500,
									easing: tween.easeIn,
									onFinish: function onFinish() {
										if (finalExplosion.parent) {
											finalExplosion.destroy();
										}
									}
								});
							}
						});
						// Clean up any range indicators
						for (var r = game.children.length - 1; r >= 0; r--) {
							if (game.children[r].isTowerRange && game.children[r].tower === collidedTower) {
								game.removeChild(game.children[r]);
							}
						}
						// Clear selected tower if it was the destroyed one
						if (selectedTower === collidedTower) {
							selectedTower = null;
						}
						// Recalculate paths
						grid.pathFind();
						// Show destruction notification
						var notification = game.addChild(new Notification("Tower destroyed by enemy!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 50;
					}
					// Resume enemy movement
					enemy.pausedForCollision = false;
					enemy.collidingWithTower = false;
					enemy.collisionTimer = 0;
					enemy.collisionTower = null;
					// Clean up electricity effect
					if (enemy.electricityEffect && enemy.electricityEffect.parent) {
						game.removeChild(enemy.electricityEffect);
						enemy.electricityEffect = null;
					}
					// Clean up destructive effects
					if (enemy.destructionEffects) {
						for (var d = 0; d < enemy.destructionEffects.length; d++) {
							if (enemy.destructionEffects[d] && enemy.destructionEffects[d].parent) {
								enemy.destructionEffects[d].destroy();
							}
						}
						enemy.destructionEffects = null;
					}
				}
			}
		} else {
			// Reset collision state when not touching tower
			if (enemy.collidingWithTower || enemy.pausedForCollision) {
				enemy.collidingWithTower = false;
				enemy.pausedForCollision = false;
				enemy.collisionTimer = 0;
				// Stop any tweens on the previous collision tower
				if (enemy.collisionTower) {
					tween.stop(enemy.collisionTower);
				}
				enemy.collisionTower = null;
			}
			// Clean up electricity effect if not colliding
			if (enemy.electricityEffect && enemy.electricityEffect.parent) {
				game.removeChild(enemy.electricityEffect);
				enemy.electricityEffect = null;
			}
			// Clean up destructive effects if not colliding
			if (enemy.destructionEffects) {
				for (var d = 0; d < enemy.destructionEffects.length; d++) {
					if (enemy.destructionEffects[d] && enemy.destructionEffects[d].parent) {
						enemy.destructionEffects[d].destroy();
					}
				}
				enemy.destructionEffects = null;
			}
			// Reset tower shake and tint if it still exists
			if (enemy.collisionTower && enemy.collisionTower.parent) {
				if (enemy.collisionTower.originalX !== undefined) {
					enemy.collisionTower.x = enemy.collisionTower.originalX;
					enemy.collisionTower.y = enemy.collisionTower.originalY;
				}
				// Reset tower tint based on tower type
				switch (enemy.collisionTower.id) {
					case 'rapid':
						enemy.collisionTower.tint = 0xFFFFFF; // Default dog color
						break;
					case 'sniper':
						enemy.collisionTower.tint = 0x9900FF;
						break;
					case 'splash':
						// Remove tint for fire tower - use default asset color
						break;
					case 'slow':
						enemy.collisionTower.tint = 0xB8860B;
						break;
					case 'poison':
						enemy.collisionTower.tint = 0x00FFAA;
						break;
					default:
						enemy.collisionTower.tint = 0xAAAAAA;
				}
			}
		}
		// Only update enemy position if not paused for collision
		if (!enemy.pausedForCollision) {
			if (grid.updateEnemy(enemy)) {
				// Clean up shadow if it's a flying enemy
				if (enemy.isFlying && enemy.shadow) {
					enemyLayerMiddle.removeChild(enemy.shadow);
					enemy.shadow = null;
				}
				// Remove enemy from the appropriate layer
				if (enemy.isFlying) {
					enemyLayerTop.removeChild(enemy);
				} else {
					enemyLayerBottom.removeChild(enemy);
				}
				enemies.splice(a, 1);
				lives = Math.max(0, lives - 1);
				updateUI();
				if (lives <= 0) {
					LK.showGameOver();
				}
			}
		}
	}
	// Clean up bullets - iterate backwards to avoid index issues
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		if (!bullet || !bullet.parent || bullet.destroyed) {
			// Clean up targeting reference if it exists
			if (bullet && bullet.targetEnemy && bullet.targetEnemy.bulletsTargetingThis) {
				var bulletIndex = bullet.targetEnemy.bulletsTargetingThis.indexOf(bullet);
				if (bulletIndex !== -1) {
					bullet.targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
				}
			}
			// Defensive: skip plasmaray blast containers (not real bullets)
			if (bullet && bullet.children && bullet.children.length > 0 && bullet.children[0].assetId === 'Plasmaray1') {
				// Remove from array, do not treat as bullet
				bullets.splice(i, 1);
				continue;
			}
			bullets.splice(i, 1);
		}
	}
	if (towerPreview.visible) {
		towerPreview.checkPlacement();
	}
	// Control backdrop visibility - show for first 10 waves only
	if (backdrop) {
		backdrop.visible = currentWave <= 10;
	}
	// Sort enemies within each layer by Y position for proper depth rendering
	// Enemies with higher Y values (lower on screen) should appear in front
	var sortChildrenByY = function sortChildrenByY(container) {
		var children = container.children.slice(); // Create a copy of children array
		children.sort(function (a, b) {
			return a.y - b.y; // Sort by Y position (ascending)
		});
		// Remove and re-add children in sorted order
		for (var i = 0; i < children.length; i++) {
			container.removeChild(children[i]);
			container.addChild(children[i]);
		}
	};
	// Sort all enemy layers
	sortChildrenByY(enemyLayerBottom);
	sortChildrenByY(enemyLayerMiddle);
	sortChildrenByY(enemyLayerTop);
	// Sort towers by Y position for proper depth rendering
	sortChildrenByY(towerLayer);
	// Sort the main game layers to ensure proper overall depth ordering
	// Objects in lower rows (higher Y values) should render in front
	var gameLayers = [];
	// Collect all main layers with their Y positions
	if (enemyLayer && enemyLayer.parent) {
		gameLayers.push({
			layer: enemyLayer,
			minY: getMinYFromLayer(enemyLayer)
		});
	}
	if (towerLayer && towerLayer.parent) {
		gameLayers.push({
			layer: towerLayer,
			minY: getMinYFromLayer(towerLayer)
		});
	}
	// Helper function to get minimum Y position from a layer
	function getMinYFromLayer(layer) {
		var minY = Infinity;
		var _checkChildren = function checkChildren(container) {
			for (var i = 0; i < container.children.length; i++) {
				var child = container.children[i];
				if (child.y !== undefined && child.y < minY) {
					minY = child.y;
				}
				if (child.children && child.children.length > 0) {
					_checkChildren(child);
				}
			}
		};
		_checkChildren(layer);
		return minY === Infinity ? 0 : minY;
	}
	// Sort layers by their minimum Y position and re-add to game
	gameLayers.sort(function (a, b) {
		return a.minY - b.minY;
	});
	// Remove and re-add layers in sorted order
	for (var i = 0; i < gameLayers.length; i++) {
		var layer = gameLayers[i].layer;
		if (layer.parent) {
			game.removeChild(layer);
			game.addChild(layer);
		}
	}
	if (currentWave >= totalWaves && enemies.length === 0 && !waveInProgress) {
		LK.showYouWin();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -1144,9 +1144,9 @@
 			anchorX: 0.5,
 			anchorY: 0.5
 		});
 		fireEffectGraphics.y = -80; // Position fire above the fireworks
-		fireEffectGraphics.x = 0;
+		fireEffectGraphics.x = -20;
 		fireEffectGraphics.scaleX = 1.0;
 		fireEffectGraphics.scaleY = 1.0;
 		fireEffectGraphics.alpha = 0.85;
 		// Animate fire to look like burning fire: flicker alpha, scale, and slight y movement