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

/**** 
* Classes
****/ 
var BaseCastle = Container.expand(function () {
	var self = Container.call(this);
	// Castle stats
	self.maxHealth = 100;
	self.health = self.maxHealth;
	// Create castle graphics
	var castleGraphics = self.attachAsset('base', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create health bar background
	var healthBarBg = self.attachAsset('castleHealthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -castleGraphics.height / 2 - 40;
	// Create health bar
	var healthBar = self.attachAsset('castleHealthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBar.x = -healthBarBg.width / 2;
	healthBar.y = -castleGraphics.height / 2 - 40;
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			// Play destruction sound
			LK.getSound('castle_destroy').play();
			// Game over - castle destroyed
			LK.showGameOver();
		} else {
			// Play damage sound
			LK.getSound('castle_damage').play();
			// Flash castle red when taking damage
			LK.effects.flashObject(self, 0xff0000, 500);
		}
		// Update health bar visual
		var healthPercent = self.health / self.maxHealth;
		healthBar.width = healthBarBg.width * healthPercent;
		// Change health bar color based on health level
		if (healthPercent > 0.6) {
			healthBar.tint = 0x00ff00; // Green 
		} else if (healthPercent > 0.3) {
			healthBar.tint = 0xffff00; // Yellow 
		} else {
			healthBar.tint = 0xff0000; // Red 
		}
	};
	return self;
});
var Bullet = Container.expand(function (startX, startY, targetEnemy, damage, speed) {
	var self = Container.call(this);
	self.targetEnemy = targetEnemy;
	self.damage = damage || 10;
	self.speed = speed || 5;
	self.x = startX;
	self.y = startY;
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (!self.targetEnemy || !self.targetEnemy.parent) {
			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;
			}
			grid.renderDebug();
		}
	};
	self.removeArrows = function () {
		while (debugArrows.length) {
			self.removeChild(debugArrows.pop());
		}
	};
	self.render = function (data) {
		switch (data.type) {
			case 0:
			case 2:
				{
					if (data.pathId != pathId) {
						self.removeArrows();
						numberLabel.setText("-");
						cellGraphics.tint = 0x880000;
						return;
					}
					numberLabel.visible = false;
					var tint = Math.floor(data.score / maxScore * 0x88);
					var towerInRangeHighlight = false;
					if (selectedTower && data.towersInRange && data.towersInRange.indexOf(selectedTower) !== -1) {
						towerInRangeHighlight = true;
						cellGraphics.alpha = 0.3;
						cellGraphics.tint = 0x8B4513; // Brown road color
					} else {
						cellGraphics.alpha = 0.3;
						cellGraphics.tint = 0x8B4513; // Brown road color
					}
					while (debugArrows.length > data.targets.length) {
						self.removeChild(debugArrows.pop());
					}
					// Remove arrow rendering - arrows no longer displayed
					break;
				}
			case 1:
				{
					self.removeArrows();
					cellGraphics.alpha = 0;
					numberLabel.visible = false;
					break;
				}
			case 3:
				{
					self.removeArrows();
					cellGraphics.alpha = 0;
					numberLabel.visible = false;
					break;
				}
		}
		numberLabel.setText(Math.floor(data.score / 1000) / 10);
	};
});
// This update method was incorrectly placed here and should be removed
var EffectIndicator = Container.expand(function (x, y, type) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	var effectGraphics = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	effectGraphics.blendMode = 1;
	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;
		case 'slash':
			effectGraphics.tint = 0xFFFFFF;
			effectGraphics.width = effectGraphics.height = CELL_SIZE * 1.5;
			break;
	}
	effectGraphics.alpha = 0.7;
	self.alpha = 0;
	// Animate the effect
	tween(self, {
		alpha: 0.8,
		scaleX: 1.5,
		scaleY: 1.5
	}, {
		duration: 200,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(self, {
				alpha: 0,
				scaleX: 2,
				scaleY: 2
			}, {
				duration: 300,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					self.destroy();
				}
			});
		}
	});
	return self;
});
// Base enemy class for common functionality
var Enemy = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'normal';
	self.speed = .01;
	self.cellX = 0;
	self.cellY = 0;
	self.currentCellX = 0;
	self.currentCellY = 0;
	self.currentTarget = undefined;
	self.maxHealth = 100;
	self.health = self.maxHealth;
	self.bulletsTargetingThis = [];
	self.waveNumber = currentWave;
	self.isFlying = false;
	self.isImmune = false;
	self.isBoss = false;
	// Check if this is a boss wave
	// Check if this is a boss wave
	// Apply different stats based on enemy type
	switch (self.type) {
		case 'fast':
			self.speed *= 2; // Twice as fast
			self.maxHealth = 100;
			break;
		case 'immune':
			self.isImmune = true;
			self.maxHealth = 80;
			break;
		case 'flying':
			self.isFlying = true;
			self.maxHealth = 80;
			break;
		case 'swarm':
			self.maxHealth = 50; // Weaker enemies
			break;
		case 'normal':
		default:
			// Normal enemy uses default values
			break;
	}
	if (currentWave % 10 === 0 && currentWave > 0 && type !== 'swarm') {
		self.isBoss = true;
		// Boss enemies have 20x health and are larger
		self.maxHealth *= 20;
		// Slower speed for bosses
		self.speed = self.speed * 0.7;
	}
	self.health = self.maxHealth;
	// Get appropriate asset for this enemy type
	var assetId = 'enemy';
	if (self.type !== 'normal') {
		assetId = 'enemy_' + self.type;
	}
	var enemyGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Scale up boss enemies
	if (self.isBoss) {
		enemyGraphics.scaleX = 1.8;
		enemyGraphics.scaleY = 1.8;
	}
	// Fall back to regular enemy asset if specific type asset not found
	// Apply tint to differentiate enemy types
	/*switch (self.type) {
		case 'fast':
			enemyGraphics.tint = 0x00AAFF; // Blue for fast enemies
			break;
		case 'immune':
			enemyGraphics.tint = 0xAA0000; // Red for immune enemies
			break;
		case 'flying':
			enemyGraphics.tint = 0xFFFF00; // Yellow for flying enemies
			break;
		case 'swarm':
			enemyGraphics.tint = 0xFF00FF; // Pink for swarm enemies
			break;
	}*/
	// Create shadow for flying enemies
	if (self.isFlying) {
		// Create a shadow container that will be added to the shadow layer
		self.shadow = new Container();
		// Clone the enemy graphics for the shadow
		var shadowGraphics = self.shadow.attachAsset(assetId || 'enemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Apply shadow effect
		shadowGraphics.tint = 0x000000; // Black shadow
		shadowGraphics.alpha = 0.4; // Semi-transparent
		// If this is a boss, scale up the shadow to match
		if (self.isBoss) {
			shadowGraphics.scaleX = 1.8;
			shadowGraphics.scaleY = 1.8;
		}
		// Position shadow slightly offset
		self.shadow.x = 20; // Offset right
		self.shadow.y = 20; // Offset down
		// Ensure shadow has the same rotation as the enemy
		shadowGraphics.rotation = enemyGraphics.rotation;
	}
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBarBG = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBarBG.y = healthBarOutline.y = healthBar.y = -enemyGraphics.height / 2 - 10;
	healthBarOutline.x = -healthBarOutline.width / 2;
	healthBarBG.x = healthBar.x = -healthBar.width / 2 - .5;
	healthBar.tint = 0x00ff00;
	healthBarBG.tint = 0xff0000;
	self.healthBar = healthBar;
	self.update = function () {
		if (self.health <= 0) {
			self.health = 0;
			self.healthBar.width = 0;
		}
		// Handle slow effect
		if (self.isImmune) {
			// Immune enemies cannot be slowed or poisoned, clear any such effects
			self.slowed = false;
			self.slowEffect = false;
			self.poisoned = false;
			self.poisonEffect = false;
			// Reset speed to original if needed
			if (self.originalSpeed !== undefined) {
				self.speed = self.originalSpeed;
			}
		} else {
			// Handle slow effect
			if (self.slowed) {
				// Visual indication of slowed status
				if (!self.slowEffect) {
					self.slowEffect = true;
				}
				self.slowDuration--;
				if (self.slowDuration <= 0) {
					self.speed = self.originalSpeed;
					self.slowed = false;
					self.slowEffect = false;
					// Only reset tint if not poisoned
					if (!self.poisoned) {
						enemyGraphics.tint = 0xFFFFFF; // Reset tint
					}
				}
			}
			// Handle poison effect
			if (self.poisoned) {
				// Visual indication of poisoned status
				if (!self.poisonEffect) {
					self.poisonEffect = true;
				}
				// Apply poison damage every 30 frames (twice per second)
				if (LK.ticks % 30 === 0) {
					self.health -= self.poisonDamage;
					if (self.health <= 0) {
						self.health = 0;
					}
					self.healthBar.width = self.health / self.maxHealth * 70;
				}
				self.poisonDuration--;
				if (self.poisonDuration <= 0) {
					self.poisoned = false;
					self.poisonEffect = false;
					// Only reset tint if not slowed
					if (!self.slowed) {
						enemyGraphics.tint = 0xFFFFFF; // Reset tint
					}
				}
			}
		}
		// 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 {
			enemyGraphics.tint = 0xFFFFFF;
		}
		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
						});
					}
				}
			}
		}
		healthBarOutline.y = healthBarBG.y = healthBar.y = -enemyGraphics.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 = i === 0 || i === gridWidth - 1 || j <= 4 || j >= gridHeight - 4 ? 1 : 0;
			if (i > 11 - 3 && i <= 11 + 3) {
				if (j === 0) {
					cellType = 2;
					self.spawns.push(cell);
				} else if (j <= 4) {
					cellType = 0;
				} else if (j === gridHeight - 1) {
					cellType = 3;
					self.goals.push(cell);
				} else if (j >= gridHeight - 4) {
					cellType = 0;
				}
			}
			// Set castle area as goal (2x2 area around castle position)
			var castleGridX = gridWidth - 3; // 2 cells from right edge 
			var castleGridY = gridHeight - 8; // 7 cells up from bottom 
			for (var ci = 0; ci < 2; ci++) {
				for (var cj = 0; cj < 2; cj++) {
					var castleCell = self.cells[castleGridX + ci] && self.cells[castleGridX + ci][castleGridY + cj];
					if (castleCell) {
						castleCell.type = 3; // Set as goal 
						self.goals.push(castleCell);
					}
				}
			}
			cell.type = cellType;
			cell.x = i;
			cell.y = j;
			cell.upLeft = self.cells[i - 1] && self.cells[i - 1][j - 1];
			cell.up = self.cells[i - 1] && self.cells[i - 1][j];
			cell.upRight = self.cells[i - 1] && self.cells[i - 1][j + 1];
			cell.left = self.cells[i][j - 1];
			cell.right = self.cells[i][j + 1];
			cell.downLeft = self.cells[i + 1] && self.cells[i + 1][j - 1];
			cell.down = self.cells[i + 1] && self.cells[i + 1][j];
			cell.downRight = self.cells[i + 1] && self.cells[i + 1][j + 1];
			cell.neighbors = [cell.upLeft, cell.up, cell.upRight, cell.right, cell.downRight, cell.down, cell.downLeft, cell.left];
			cell.targets = [];
			if (j > 3 && j <= gridHeight - 4) {
				var debugCell = new DebugCell();
				self.addChild(debugCell);
				debugCell.cell = cell;
				debugCell.x = i * CELL_SIZE;
				debugCell.y = j * CELL_SIZE;
				cell.debugCell = debugCell;
			}
		}
	}
	self.getCell = function (x, y) {
		return self.cells[x] && self.cells[x][y];
	};
	self.pathFind = function () {
		var before = new Date().getTime();
		var toProcess = self.goals.concat([]);
		maxScore = 0;
		pathId += 1;
		for (var a = 0; a < toProcess.length; a++) {
			toProcess[a].pathId = pathId;
		}
		function processNode(node, targetValue, targetNode) {
			if (node && node.type != 1) {
				if (node.pathId < pathId || targetValue < node.score) {
					node.targets = [targetNode];
				} else if (node.pathId == pathId && targetValue == node.score) {
					node.targets.push(targetNode);
				}
				if (node.pathId < pathId || targetValue < node.score) {
					node.score = targetValue;
					if (node.pathId != pathId) {
						toProcess.push(node);
					}
					node.pathId = pathId;
					if (targetValue > maxScore) {
						maxScore = targetValue;
					}
				}
			}
		}
		while (toProcess.length) {
			var nodes = toProcess;
			toProcess = [];
			for (var a = 0; a < nodes.length; a++) {
				var node = nodes[a];
				var targetScore = node.score + 14142;
				if (node.up && node.left && node.up.type != 1 && node.left.type != 1) {
					processNode(node.upLeft, targetScore, node);
				}
				if (node.up && node.right && node.up.type != 1 && node.right.type != 1) {
					processNode(node.upRight, targetScore, node);
				}
				if (node.down && node.right && node.down.type != 1 && node.right.type != 1) {
					processNode(node.downRight, targetScore, node);
				}
				if (node.down && node.left && node.down.type != 1 && node.left.type != 1) {
					processNode(node.downLeft, targetScore, node);
				}
				targetScore = node.score + 10000;
				processNode(node.up, targetScore, node);
				processNode(node.right, targetScore, node);
				processNode(node.down, targetScore, node);
				processNode(node.left, targetScore, node);
			}
		}
		for (var a = 0; a < self.spawns.length; a++) {
			if (self.spawns[a].pathId != pathId) {
				console.warn("Spawn blocked");
				return true;
			}
		}
		for (var a = 0; a < enemies.length; a++) {
			var enemy = enemies[a];
			// Skip enemies that haven't entered the viewable area yet
			if (enemy.currentCellY < 4) {
				continue;
			}
			// Skip flying enemies from path check as they can fly over obstacles
			if (enemy.isFlying) {
				continue;
			}
			var target = self.getCell(enemy.cellX, enemy.cellY);
			if (enemy.currentTarget) {
				if (enemy.currentTarget.pathId != pathId) {
					if (!target || target.pathId != pathId) {
						console.warn("Enemy blocked 1 ");
						return true;
					}
				}
			} else if (!target || target.pathId != pathId) {
				console.warn("Enemy blocked 2");
				return true;
			}
		}
		console.log("Speed", new Date().getTime() - before);
	};
	self.renderDebug = function () {
		for (var i = 0; i < gridWidth; i++) {
			for (var j = 0; j < gridHeight; j++) {
				var debugCell = self.cells[i][j].debugCell;
				if (debugCell) {
					debugCell.render(self.cells[i][j]);
				}
			}
		}
	};
	self.updateEnemy = function (enemy) {
		var cell = grid.getCell(enemy.cellX, enemy.cellY);
		if (cell.type == 3) {
			// Enemy reached castle - damage it 
			if (baseCastle) {
				var damage = enemy.isBoss ? 20 : 5; // Boss enemies deal more damage 
				baseCastle.takeDamage(damage);
				// Show damage indicator 
				var damageIndicator = new Notification("-" + damage + " Castle HP");
				damageIndicator.x = baseCastle.x;
				damageIndicator.y = baseCastle.y - 100;
				game.addChild(damageIndicator);
			}
			return true;
		}
		if (enemy.isFlying && enemy.shadow) {
			enemy.shadow.x = enemy.x + 20; // Match enemy x-position + offset
			enemy.shadow.y = enemy.y + 20; // Match enemy y-position + offset
			// Match shadow rotation with enemy rotation
			if (enemy.children[0] && enemy.shadow.children[0]) {
				enemy.shadow.children[0].rotation = enemy.children[0].rotation;
			}
		}
		// Check if the enemy has reached the entry area (y position is at least 5)
		var hasReachedEntryArea = enemy.currentCellY >= 4;
		// If enemy hasn't reached the entry area yet, just move down vertically
		if (!hasReachedEntryArea) {
			// Move directly downward
			enemy.currentCellY += enemy.speed;
			// Rotate enemy graphic to face downward (PI/2 radians = 90 degrees)
			var angle = Math.PI / 2;
			if (enemy.children[0] && enemy.children[0].targetRotation === undefined) {
				enemy.children[0].targetRotation = angle;
				enemy.children[0].rotation = angle;
			} else if (enemy.children[0]) {
				if (Math.abs(angle - enemy.children[0].targetRotation) > 0.05) {
					tween.stop(enemy.children[0], {
						rotation: true
					});
					// Calculate the shortest angle to rotate
					var currentRotation = enemy.children[0].rotation;
					var angleDiff = angle - currentRotation;
					// Normalize angle difference to -PI to PI range for shortest path
					while (angleDiff > Math.PI) {
						angleDiff -= Math.PI * 2;
					}
					while (angleDiff < -Math.PI) {
						angleDiff += Math.PI * 2;
					}
					// Set target rotation and animate to it
					enemy.children[0].targetRotation = angle;
					tween(enemy.children[0], {
						rotation: currentRotation + angleDiff
					}, {
						duration: 250,
						easing: tween.easeOut
					});
				}
			}
			// Update enemy's position
			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			// If enemy has now reached the entry area, update cell coordinates
			if (enemy.currentCellY >= 4) {
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
			}
			return false;
		}
		// After reaching entry area, handle flying enemies differently
		if (enemy.isFlying) {
			// Flying enemies head straight to the closest goal
			if (!enemy.flyingTarget) {
				// Set flying target to the closest goal
				enemy.flyingTarget = self.goals[0];
				// Find closest goal if there are multiple
				if (self.goals.length > 1) {
					var closestDist = Infinity;
					for (var i = 0; i < self.goals.length; i++) {
						var goal = self.goals[i];
						var dx = goal.x - enemy.cellX;
						var dy = goal.y - enemy.cellY;
						var dist = dx * dx + dy * dy;
						if (dist < closestDist) {
							closestDist = dist;
							enemy.flyingTarget = goal;
						}
					}
				}
			}
			// Move directly toward the goal
			var ox = enemy.flyingTarget.x - enemy.currentCellX;
			var oy = enemy.flyingTarget.y - enemy.currentCellY;
			var dist = Math.sqrt(ox * ox + oy * oy);
			if (dist < enemy.speed) {
				// Reached the goal
				return true;
			}
			var angle = Math.atan2(oy, ox);
			// Rotate enemy graphic to match movement direction
			if (enemy.children[0] && enemy.children[0].targetRotation === undefined) {
				enemy.children[0].targetRotation = angle;
				enemy.children[0].rotation = angle;
			} else if (enemy.children[0]) {
				if (Math.abs(angle - enemy.children[0].targetRotation) > 0.05) {
					tween.stop(enemy.children[0], {
						rotation: true
					});
					// Calculate the shortest angle to rotate
					var currentRotation = enemy.children[0].rotation;
					var angleDiff = angle - currentRotation;
					// Normalize angle difference to -PI to PI range for shortest path
					while (angleDiff > Math.PI) {
						angleDiff -= Math.PI * 2;
					}
					while (angleDiff < -Math.PI) {
						angleDiff += Math.PI * 2;
					}
					// Set target rotation and animate to it
					enemy.children[0].targetRotation = angle;
					tween(enemy.children[0], {
						rotation: currentRotation + angleDiff
					}, {
						duration: 250,
						easing: tween.easeOut
					});
				}
			}
			// Update the cell position to track where the flying enemy is
			enemy.cellX = Math.round(enemy.currentCellX);
			enemy.cellY = Math.round(enemy.currentCellY);
			enemy.currentCellX += Math.cos(angle) * enemy.speed;
			enemy.currentCellY += Math.sin(angle) * enemy.speed;
			enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
			enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			// Update shadow position if this is a flying enemy
			return false;
		}
		// Handle normal pathfinding enemies
		if (!enemy.currentTarget) {
			enemy.currentTarget = cell.targets[0];
		}
		if (enemy.currentTarget) {
			if (cell.score < enemy.currentTarget.score) {
				enemy.currentTarget = cell;
			}
			var ox = enemy.currentTarget.x - enemy.currentCellX;
			var oy = enemy.currentTarget.y - enemy.currentCellY;
			var dist = Math.sqrt(ox * ox + oy * oy);
			if (dist < enemy.speed) {
				enemy.cellX = Math.round(enemy.currentCellX);
				enemy.cellY = Math.round(enemy.currentCellY);
				enemy.currentTarget = undefined;
				return;
			}
			var angle = Math.atan2(oy, ox);
			enemy.currentCellX += Math.cos(angle) * enemy.speed;
			enemy.currentCellY += Math.sin(angle) * enemy.speed;
		}
		enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
		enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
	};
});
var 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 Player = Container.expand(function () {
	var self = Container.call(this);
	// Player stats
	self.maxStamina = 80;
	self.stamina = self.maxStamina;
	self.staminaRegenRate = 0.2; // Points per frame when not attacking
	self.attackCost = 25; // Stamina cost per attack
	self.attackDamage = 15;
	self.attackRange = CELL_SIZE * 1.0; // Attack range in pixels
	self.attackCooldown = 0;
	self.attackCooldownMax = 30; // Frames between attacks
	self.moveSpeed = 3;
	// Movement bounds (keep player within map area)
	self.minX = grid.x + CELL_SIZE;
	self.maxX = grid.x + grid.cells.length * CELL_SIZE - CELL_SIZE;
	self.minY = grid.y + CELL_SIZE * 4;
	self.maxY = grid.y + (grid.cells[0].length - 4) * CELL_SIZE - CELL_SIZE;
	// Create player graphics
	var playerGraphics = self.attachAsset('PlayerCh', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	// Create stamina bar background
	var staminaBarBg = self.attachAsset('staminaBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	staminaBarBg.y = -playerGraphics.height / 2 - 30;
	// Create stamina bar
	var staminaBar = self.attachAsset('staminaBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	staminaBar.x = -staminaBarBg.width / 2;
	staminaBar.y = -playerGraphics.height / 2 - 30;
	// Movement state
	self.targetX = 0;
	self.targetY = 0;
	self.isMoving = false;
	self.update = function () {
		// Handle movement
		if (self.isMoving) {
			var dx = self.targetX - self.x;
			var dy = self.targetY - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > self.moveSpeed) {
				// Move towards target
				var angle = Math.atan2(dy, dx);
				self.x += Math.cos(angle) * self.moveSpeed;
				self.y += Math.sin(angle) * self.moveSpeed;
				// Rotate player to face movement direction
				playerGraphics.rotation = angle;
			} else {
				// Reached target
				self.x = self.targetX;
				self.y = self.targetY;
				self.isMoving = false;
			}
		}
		// Handle attack cooldown
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
		// Regenerate stamina when not attacking
		if (self.attackCooldown <= 0 && self.stamina < self.maxStamina) {
			self.stamina = Math.min(self.maxStamina, self.stamina + self.staminaRegenRate);
		}
		// Update stamina bar visual
		var staminaPercent = self.stamina / self.maxStamina;
		staminaBar.width = staminaBarBg.width * staminaPercent;
		// Change stamina bar color based on stamina level
		if (staminaPercent > 0.6) {
			staminaBar.tint = 0x00ff00; // Green
		} else if (staminaPercent > 0.3) {
			staminaBar.tint = 0xffff00; // Yellow
		} else {
			staminaBar.tint = 0xff0000; // Red
		}
	};
	self.moveTo = function (x, y) {
		// Clamp movement within bounds
		self.targetX = Math.max(self.minX, Math.min(self.maxX, x));
		self.targetY = Math.max(self.minY, Math.min(self.maxY, y));
		self.isMoving = true;
	};
	self.attack = function () {
		// Check if can attack (has stamina and not on cooldown)
		if (self.stamina >= self.attackCost && self.attackCooldown <= 0) {
			// Consume stamina
			self.stamina -= self.attackCost;
			self.attackCooldown = self.attackCooldownMax;
			// Find enemies in range
			var enemiesHit = [];
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				var dx = enemy.x - self.x;
				var dy = enemy.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= self.attackRange) {
					enemiesHit.push(enemy);
				}
			}
			// Switch to attack animation asset
			var attackGraphics = self.attachAsset('Attackanim', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 0.8,
				scaleY: 0.8
			});
			// Hide the original player graphics
			playerGraphics.visible = false;
			// Attack all enemies in range
			for (var i = 0; i < enemiesHit.length; i++) {
				var enemy = enemiesHit[i];
				enemy.health -= self.attackDamage;
				if (enemy.health <= 0) {
					enemy.health = 0;
				} else {
					enemy.healthBar.width = enemy.health / enemy.maxHealth * 70;
				}
				// Create attack effect
				var attackEffect = new EffectIndicator(enemy.x, enemy.y, 'slash');
				game.addChild(attackEffect);
			}
			// Create slash animation around player
			var slashEffect = new EffectIndicator(self.x, self.y, 'slash');
			game.addChild(slashEffect);
			// After attack animation duration, switch back to normal graphics
			LK.setTimeout(function () {
				// Remove attack graphics
				if (attackGraphics && attackGraphics.parent) {
					self.removeChild(attackGraphics);
				}
				// Show original player graphics again
				playerGraphics.visible = true;
			}, 500); // 500ms attack animation duration
			return true; // Attack successful
		}
		return false; // Attack failed (no stamina or on cooldown)
	};
	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;
	switch (self.towerType) {
		case 'rapid':
			baseGraphics = self.attachAsset('eren', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 1.3,
				scaleY: 1.3
			});
			break;
		case 'sniper':
			baseGraphics = self.attachAsset('sasha', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 1.3,
				scaleY: 1.3
			});
			break;
		case 'splash':
			baseGraphics = self.attachAsset('mikasa', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 1.3,
				scaleY: 1.3
			});
			break;
		case 'slow':
			baseGraphics = self.attachAsset('Erwin', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 1.3,
				scaleY: 1.3
			});
			break;
		case 'poison':
			baseGraphics = self.attachAsset('levi', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 1.3,
				scaleY: 1.3
			});
			break;
		default:
			baseGraphics = self.attachAsset('jean', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 1.3,
				scaleY: 1.3
			});
	}
	var towerCost = getTowerCost(self.towerType);
	// Get character name based on tower type
	var characterName;
	switch (self.towerType) {
		case 'rapid':
			characterName = 'Eren';
			break;
		case 'sniper':
			characterName = 'Sasha';
			break;
		case 'splash':
			characterName = 'Mikasa';
			break;
		case 'slow':
			characterName = 'Erwin';
			break;
		case 'poison':
			characterName = 'Levi';
			break;
		default:
			characterName = 'Armin';
	}
	// Create decorative background for name
	var nameBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	nameBackground.width = 220;
	nameBackground.height = 80;
	nameBackground.y = -180; // Move higher for Mikasa and Levi
	// Set background color based on tower type with more aesthetic colors
	switch (self.towerType) {
		case 'rapid':
			nameBackground.tint = 0x1B4F72; // Darker Rich Blue
			nameBackground.y = -185; // Adjust for Eren
			break;
		case 'sniper':
			nameBackground.tint = 0x1E8449; // Darker Forest Green
			nameBackground.y = -190; // Move higher for Sasha
			break;
		case 'splash':
			nameBackground.tint = 0x922B21; // Deeper Red for Mikasa
			break;
		case 'slow':
			nameBackground.tint = 0x6C3483; // Darker Royal Purple
			break;
		case 'poison':
			nameBackground.tint = 0x0E6655; // Deeper Teal for Levi
			nameBackground.y = -190; // Move higher for Levi
			break;
		default:
			nameBackground.tint = 0x424949; // Darker Steel Gray
			nameBackground.y = -185;
		// Adjust for Jean
	}
	nameBackground.alpha = 0.95;
	// Add shadow for tower type label
	var typeLabelShadow = new Text2(characterName, {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	typeLabelShadow.anchor.set(0.5, 0.5);
	typeLabelShadow.x = 3;
	// Adjust shadow position based on tower type
	if (self.towerType === 'rapid' || self.towerType === 'default') {
		typeLabelShadow.y = -182;
	} else if (self.towerType === 'sniper' || self.towerType === 'poison') {
		typeLabelShadow.y = -187; // Higher position for Sasha and Levi
	} else {
		typeLabelShadow.y = -177;
	}
	self.addChild(typeLabelShadow);
	// Add tower type label
	var typeLabel = new Text2(characterName, {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	typeLabel.anchor.set(0.5, 0.5);
	// Adjust text position based on tower type
	if (self.towerType === 'rapid' || self.towerType === 'default') {
		typeLabel.y = -185; // Position higher for Eren and Jean
	} else if (self.towerType === 'sniper' || self.towerType === 'poison') {
		typeLabel.y = -190; // Position even higher for Sasha and Levi
	} else {
		typeLabel.y = -180; // Standard position for others
	}
	self.addChild(typeLabel);
	// Create decorative background for cost
	var costBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	costBackground.width = 140;
	costBackground.height = 60;
	costBackground.y = 160; // Move higher
	costBackground.tint = 0x1C2833; // Darker, more elegant background
	costBackground.alpha = 0.95;
	// Add decorative gold coin squares around cost
	var leftCoin = self.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	leftCoin.width = 18;
	leftCoin.height = 18;
	leftCoin.tint = 0xF1C40F; // Brighter gold
	leftCoin.x = -55;
	leftCoin.y = 160;
	var rightCoin = self.attachAsset('towerLevelIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	rightCoin.width = 18;
	rightCoin.height = 18;
	rightCoin.tint = 0xF1C40F; // Brighter gold
	rightCoin.x = 55;
	rightCoin.y = 160;
	// Add cost shadow
	var costLabelShadow = new Text2(towerCost, {
		size: 44,
		fill: 0x000000,
		weight: 800
	});
	costLabelShadow.anchor.set(0.5, 0.5);
	costLabelShadow.x = 3;
	costLabelShadow.y = 163;
	self.addChild(costLabelShadow);
	// Add cost label
	var costLabel = new Text2(towerCost, {
		size: 44,
		fill: 0xF1C40F,
		weight: 800
	});
	costLabel.anchor.set(0.5, 0.5);
	costLabel.y = 160;
	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':
				// Sniper: base 5, +0.8 per level, but final upgrade gets a huge boost
				if (self.level === self.maxLevel) {
					return 12 * CELL_SIZE; // Significantly increased range for max level
				}
				return (5 + (self.level - 1) * 0.8) * CELL_SIZE;
			case 'splash':
				// Splash: base 2, +0.2 per level (max ~4 blocks at max level)
				return (2 + (self.level - 1) * 0.2) * CELL_SIZE;
			case 'rapid':
				// Rapid: base 2.5, +0.5 per level
				return (2.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'slow':
				// Slow: base 3.5, +0.5 per level
				return (3.5 + (self.level - 1) * 0.5) * CELL_SIZE;
			case 'poison':
				// Poison: base 3.2, +0.5 per level
				return (3.2 + (self.level - 1) * 0.5) * CELL_SIZE;
			default:
				// Default: base 3, +0.5 per level
				return (3 + (self.level - 1) * 0.5) * CELL_SIZE;
		}
	};
	self.cellsInRange = [];
	self.fireRate = 60;
	self.bulletSpeed = 5;
	self.damage = 10;
	self.lastFired = 0;
	self.targetEnemy = null;
	// Initialize channeling properties for Erwin tower
	self.isChanneling = false;
	self.channelingTimer = 0;
	self.hangeActive = false;
	self.hangeSummoned = false;
	self.hangeInstance = null;
	// Initialize transformation properties for Eren tower
	self.isTransforming = false;
	self.transformationTimer = 0;
	self.isTitan = false;
	self.titanDuration = 0;
	// Declare baseGraphics early to avoid undefined errors
	var baseGraphics;
	switch (self.id) {
		case 'rapid':
			baseGraphics = self.attachAsset('erentower', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			break;
		case 'sniper':
			baseGraphics = self.attachAsset('sashatower', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			break;
		case 'splash':
			baseGraphics = self.attachAsset('mikasatower', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			break;
		case 'slow':
			baseGraphics = self.attachAsset('erwintower', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			break;
		case 'poison':
			baseGraphics = self.attachAsset('levitower', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			break;
		default:
			baseGraphics = self.attachAsset('jeantower', {
				anchorX: 0.5,
				anchorY: 0.5
			});
	}
	// Create channel bar for Erwin tower (initially hidden)
	self.channelBarBg = null;
	self.channelBar = null;
	if (self.id === 'slow') {
		// Create channel bar background
		self.channelBarBg = self.attachAsset('staminaBarBg', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.channelBarBg.y = -baseGraphics.height / 2 - 40;
		self.channelBarBg.width = 150;
		self.channelBarBg.height = 16;
		self.channelBarBg.visible = false;
		// Create channel bar
		self.channelBar = self.attachAsset('staminaBar', {
			anchorX: 0,
			anchorY: 0.5
		});
		self.channelBar.x = -self.channelBarBg.width / 2;
		self.channelBar.y = -baseGraphics.height / 2 - 40;
		self.channelBar.width = 0;
		self.channelBar.height = 16;
		self.channelBar.tint = 0x00ff00; // Green color
		self.channelBar.visible = false;
	}
	// Create transformation meter for Eren tower (initially hidden)
	self.transformBarBg = null;
	self.transformBar = null;
	if (self.id === 'rapid') {
		// Create transformation bar background
		self.transformBarBg = self.attachAsset('staminaBarBg', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.transformBarBg.y = -baseGraphics.height / 2 - 40;
		self.transformBarBg.width = 150;
		self.transformBarBg.height = 16;
		self.transformBarBg.visible = false;
		// Create transformation bar
		self.transformBar = self.attachAsset('staminaBar', {
			anchorX: 0,
			anchorY: 0.5
		});
		self.transformBar.x = -self.transformBarBg.width / 2;
		self.transformBar.y = -baseGraphics.height / 2 - 40;
		self.transformBar.width = 0;
		self.transformBar.height = 16;
		self.transformBar.tint = 0xff0000; // Red color for transformation
		self.transformBar.visible = false;
	}
	switch (self.id) {
		case 'rapid':
			self.fireRate = 30;
			self.damage = 5;
			self.range = 2.5 * CELL_SIZE;
			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;
	}
	// Remove level indicators - all towers now use only character images without dots
	var levelIndicators = []; // Keep empty array for existing code compatibility
	// Remove gunContainer - all towers now use only character images without arrows
	var gunContainer = new Container(); // Keep reference for existing code but don't add graphics
	self.updateLevelIndicators = function () {
		// No level indicators for any towers - all use only character images
		return;
	};
	self.updateLevelIndicators();
	self.refreshCellsInRange = function () {
		for (var i = 0; i < self.cellsInRange.length; i++) {
			var cell = self.cellsInRange[i];
			var towerIndex = cell.towersInRange.indexOf(self);
			if (towerIndex !== -1) {
				cell.towersInRange.splice(towerIndex, 1);
			}
		}
		self.cellsInRange = [];
		var rangeRadius = self.getRange() / CELL_SIZE;
		var centerX = self.gridX + 1;
		var centerY = self.gridY + 1;
		var minI = Math.floor(centerX - rangeRadius - 0.5);
		var maxI = Math.ceil(centerX + rangeRadius + 0.5);
		var minJ = Math.floor(centerY - rangeRadius - 0.5);
		var maxJ = Math.ceil(centerY + rangeRadius + 0.5);
		for (var i = minI; i <= maxI; i++) {
			for (var j = minJ; j <= maxJ; j++) {
				var closestX = Math.max(i, Math.min(centerX, i + 1));
				var closestY = Math.max(j, Math.min(centerY, j + 1));
				var deltaX = closestX - centerX;
				var deltaY = closestY - centerY;
				var distanceSquared = deltaX * deltaX + deltaY * deltaY;
				if (distanceSquared <= rangeRadius * rangeRadius) {
					var cell = grid.getCell(i, j);
					if (cell) {
						self.cellsInRange.push(cell);
						cell.towersInRange.push(self);
					}
				}
			}
		}
		grid.renderDebug();
	};
	self.getTotalValue = function () {
		var baseTowerCost = getTowerCost(self.id);
		var totalInvestment = baseTowerCost;
		var baseUpgradeCost = baseTowerCost; // Upgrade cost now scales with base tower cost
		for (var i = 1; i < self.level; i++) {
			totalInvestment += Math.floor(baseUpgradeCost * Math.pow(2, i - 1));
		}
		return totalInvestment;
	};
	self.upgrade = function () {
		if (self.level < self.maxLevel) {
			// Exponential upgrade cost: base cost * (2 ^ (level-1)), scaled by tower base cost
			var baseUpgradeCost = getTowerCost(self.id);
			var upgradeCost;
			// 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();
				// No upgrade animation needed - all towers use only character images without level indicators
				return true;
			} else {
				var notification = game.addChild(new Notification("Not enough gold to upgrade!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return false;
			}
		}
		return false;
	};
	self.findTarget = function () {
		var closestEnemy = null;
		var closestScore = Infinity;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Check if enemy is in range
			if (distance <= self.getRange()) {
				// Handle flying enemies differently - they can be targeted regardless of path
				if (enemy.isFlying) {
					// For flying enemies, prioritize by distance to the goal
					if (enemy.flyingTarget) {
						var goalX = enemy.flyingTarget.x;
						var goalY = enemy.flyingTarget.y;
						var distToGoal = Math.sqrt((goalX - enemy.cellX) * (goalX - enemy.cellX) + (goalY - enemy.cellY) * (goalY - enemy.cellY));
						// Use distance to goal as score
						if (distToGoal < closestScore) {
							closestScore = distToGoal;
							closestEnemy = enemy;
						}
					} else {
						// If no flying target yet (shouldn't happen), prioritize by distance to tower
						if (distance < closestScore) {
							closestScore = distance;
							closestEnemy = enemy;
						}
					}
				} else {
					// For ground enemies, use the original path-based targeting
					// Get the cell for this enemy
					var cell = grid.getCell(enemy.cellX, enemy.cellY);
					if (cell && cell.pathId === pathId) {
						// Use the cell's score (distance to exit) for prioritization
						// Lower score means closer to exit
						if (cell.score < closestScore) {
							closestScore = cell.score;
							closestEnemy = enemy;
						}
					}
				}
			}
		}
		if (!closestEnemy) {
			self.targetEnemy = null;
		}
		return closestEnemy;
	};
	self.update = function () {
		// Handle Eren tower transformation
		if (self.id === 'rapid') {
			if (!self.isTransforming && !self.isTitan) {
				// Normal Eren tower - start transformation timer after spawning
				self.transformationTimer++;
				// Show transformation meter
				if (self.transformBarBg && self.transformBar) {
					self.transformBarBg.visible = true;
					self.transformBar.visible = true;
					// Calculate progress (transformation takes 600 frames = 10 seconds)
					var progress = self.transformationTimer / 600;
					self.transformBar.width = self.transformBarBg.width * progress;
				}
				// Transform to titan after 10 seconds
				if (self.transformationTimer >= 600) {
					self.isTitan = true;
					self.titanDuration = 600; // Stay as titan for 10 seconds
					self.transformationTimer = 0;
					// Switch to titan asset
					baseGraphics.visible = false;
					var titanGraphics = self.attachAsset('erentitan', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					self.titanGraphics = titanGraphics;
					// Hide transformation meter when transformed
					if (self.transformBarBg && self.transformBar) {
						self.transformBarBg.visible = false;
						self.transformBar.visible = false;
					}
				}
			} else if (self.isTitan) {
				// In titan form - countdown to transform back
				self.titanDuration--;
				if (self.titanDuration <= 0) {
					// Transform back to normal Eren tower
					self.isTitan = false;
					self.transformationTimer = 0;
					// Remove titan graphics and show normal graphics
					if (self.titanGraphics && self.titanGraphics.parent) {
						self.removeChild(self.titanGraphics);
					}
					baseGraphics.visible = true;
				}
			}
		}
		// Handle Erwin tower channeling and Hange summoning
		if (self.id === 'slow' && self.isChanneling) {
			self.channelingTimer--;
			// Update channel bar progress
			if (self.channelBarBg && self.channelBar) {
				self.channelBarBg.visible = true;
				self.channelBar.visible = true;
				// Calculate progress (channeling starts at 600 and counts down to 0)
				var progress = (600 - self.channelingTimer) / 600;
				self.channelBar.width = self.channelBarBg.width * progress;
			}
			// After 5 seconds (300 frames), summon Hange
			if (!self.hangeSummoned && self.channelingTimer <= 300) {
				self.hangeSummoned = true;
				self.hangeActive = true;
				// Switch Erwin tower to attack asset at the exact moment of spawning
				var attackGraphics = self.attachAsset('erwinattack', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				// Hide the original tower graphics
				baseGraphics.visible = false;
				// Switch back to normal graphics after 1 second (60 frames)
				LK.setTimeout(function () {
					// Remove attack graphics
					if (attackGraphics && attackGraphics.parent) {
						self.removeChild(attackGraphics);
					}
					// Show original tower graphics again
					baseGraphics.visible = true;
				}, 1000); // 1000ms attack animation duration
				// Create Hange near the tower
				self.hangeInstance = new Container();
				var hangeGraphics = self.hangeInstance.attachAsset('hange', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				// Position Hange next to the tower
				self.hangeInstance.x = self.x + 50;
				self.hangeInstance.y = self.y;
				game.addChild(self.hangeInstance);
				// Initialize Hange properties
				self.hangeInstance.attackTimer = 0;
				self.hangeInstance.attackRate = 48; // Attack every 0.8 seconds
				self.hangeInstance.damage = self.damage * 2; // Hange deals double damage
				self.hangeInstance.range = self.getRange() * 1.5; // Hange has 1.5x range
				self.hangeInstance.lifetime = 300; // Dies after 5 seconds
			}
			// Handle Hange's attacks if summoned
			if (self.hangeSummoned && self.hangeInstance && self.hangeInstance.parent) {
				self.hangeInstance.attackTimer++;
				self.hangeInstance.lifetime--;
				// Hange attacks enemies
				if (self.hangeInstance.attackTimer >= self.hangeInstance.attackRate) {
					self.hangeInstance.attackTimer = 0;
					// Find closest enemy in range
					var closestEnemy = null;
					var closestDistance = Infinity;
					for (var i = 0; i < enemies.length; i++) {
						var enemy = enemies[i];
						var dx = enemy.x - self.hangeInstance.x;
						var dy = enemy.y - self.hangeInstance.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance <= self.hangeInstance.range && distance < closestDistance) {
							closestDistance = distance;
							closestEnemy = enemy;
						}
					}
					// Attack the closest enemy
					if (closestEnemy) {
						// Switch to attack asset
						var attackGraphics = self.hangeInstance.attachAsset('hangeattack', {
							anchorX: 0.5,
							anchorY: 0.5
						});
						// Hide the original hange graphics
						var hangeGraphics = self.hangeInstance.children[0];
						hangeGraphics.visible = false;
						// Switch back to normal graphics after attack duration
						LK.setTimeout(function () {
							// Remove attack graphics
							if (attackGraphics && attackGraphics.parent && self.hangeInstance && self.hangeInstance.parent) {
								self.hangeInstance.removeChild(attackGraphics);
							}
							// Show original hange graphics again
							if (hangeGraphics && self.hangeInstance && self.hangeInstance.parent) {
								hangeGraphics.visible = true;
							}
						}, 500); // 500ms attack animation duration
						var bullet = new Bullet(self.hangeInstance.x, self.hangeInstance.y, closestEnemy, self.hangeInstance.damage, self.bulletSpeed * 1.5);
						bullet.type = 'splash'; // Hange uses splash attacks
						game.addChild(bullet);
						bullets.push(bullet);
						closestEnemy.bulletsTargetingThis.push(bullet);
					}
				}
				// Remove Hange after lifetime expires
				if (self.hangeInstance.lifetime <= 0) {
					game.removeChild(self.hangeInstance);
					self.hangeInstance = null;
					self.hangeActive = false;
				}
			}
			// End channeling after 10 seconds
			if (self.channelingTimer <= 0) {
				self.isChanneling = false;
				// Hide channel bar when channeling ends
				if (self.channelBarBg && self.channelBar) {
					self.channelBarBg.visible = false;
					self.channelBar.visible = false;
				}
			}
			return; // Skip normal tower behavior while channeling
		}
		// Hide channel bar when not channeling (for Erwin towers)
		if (self.id === 'slow' && !self.isChanneling && self.channelBarBg && self.channelBar) {
			self.channelBarBg.visible = false;
			self.channelBar.visible = false;
		}
		self.targetEnemy = self.findTarget();
		if (self.targetEnemy) {
			var dx = self.targetEnemy.x - self.x;
			var dy = self.targetEnemy.y - self.y;
			var angle = Math.atan2(dy, dx);
			// All towers now use static character images without rotation
			if (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;
			grid.renderDebug();
			return;
		}
		for (var i = 0; i < existingMenus.length; i++) {
			existingMenus[i].destroy();
		}
		for (var i = game.children.length - 1; i >= 0; i--) {
			if (game.children[i].isTowerRange) {
				game.removeChild(game.children[i]);
			}
		}
		selectedTower = self;
		// Show upgrade menu without creating range indicators that block dragging
		var upgradeMenu = new UpgradeMenu(self);
		game.addChild(upgradeMenu);
		upgradeMenu.x = 2048 / 2;
		tween(upgradeMenu, {
			y: 2732 - 225
		}, {
			duration: 200,
			easing: tween.backOut
		});
		grid.renderDebug();
	};
	self.isInRange = function (enemy) {
		if (!enemy) {
			return false;
		}
		var dx = enemy.x - self.x;
		var dy = enemy.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		return distance <= self.getRange();
	};
	self.fire = function () {
		// Special handling for Eren tower - can only attack in titan form
		if (self.id === 'rapid') {
			if (!self.isTitan) {
				return; // Cannot attack in normal form
			}
		}
		// Special handling for Erwin tower
		if (self.id === 'slow') {
			// Check if already channeling or if Hange is active
			if (self.isChanneling || self.hangeActive) {
				return; // Cannot attack while channeling or Hange is active
			}
			// Start channeling process
			self.isChanneling = true;
			self.channelingTimer = 600; // 10 seconds at 60 FPS
			self.hangeActive = false;
			self.hangeSummoned = false;
			// Show channel bar when starting to channel
			if (self.channelBarBg && self.channelBar) {
				self.channelBarBg.visible = true;
				self.channelBar.visible = true;
				self.channelBar.width = 0; // Start with empty bar
			}
			return;
		}
		if (self.targetEnemy) {
			var potentialDamage = 0;
			for (var i = 0; i < self.targetEnemy.bulletsTargetingThis.length; i++) {
				potentialDamage += self.targetEnemy.bulletsTargetingThis[i].damage;
			}
			if (self.targetEnemy.health > potentialDamage) {
				var bulletX = self.x + Math.cos(gunContainer.rotation) * 40;
				var bulletY = self.y + Math.sin(gunContainer.rotation) * 40;
				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;
				}
				// Handle Eren titan tower attack animation
				if (self.id === 'rapid' && self.isTitan) {
					// Switch to attack asset
					var attackGraphics = self.attachAsset('erentitanattack', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					// Hide the titan graphics
					if (self.titanGraphics) {
						self.titanGraphics.visible = false;
					}
					// Switch back to titan graphics after attack duration
					LK.setTimeout(function () {
						// Remove attack graphics
						if (attackGraphics && attackGraphics.parent) {
							self.removeChild(attackGraphics);
						}
						// Show titan graphics again
						if (self.titanGraphics) {
							self.titanGraphics.visible = true;
						}
					}, 500); // 500ms attack animation duration
				}
				// Handle Sasha tower attack animation
				if (self.id === 'sniper') {
					// Switch to attack asset
					var attackGraphics = self.attachAsset('sashaattack', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					// Hide the original tower graphics
					baseGraphics.visible = false;
					// Switch back to normal graphics after attack duration
					LK.setTimeout(function () {
						// Remove attack graphics
						if (attackGraphics && attackGraphics.parent) {
							self.removeChild(attackGraphics);
						}
						// Show original tower graphics again
						baseGraphics.visible = true;
					}, 500); // 500ms attack animation duration
				}
				// Handle Mikasa tower attack animation
				if (self.id === 'splash') {
					// Switch to attack asset
					var attackGraphics = self.attachAsset('mikasaattack', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					// Hide the original tower graphics
					baseGraphics.visible = false;
					// Switch back to normal graphics after attack duration
					LK.setTimeout(function () {
						// Remove attack graphics
						if (attackGraphics && attackGraphics.parent) {
							self.removeChild(attackGraphics);
						}
						// Show original tower graphics again
						baseGraphics.visible = true;
					}, 500); // 500ms attack animation duration
				}
				// Customize bullet appearance based on tower type
				switch (self.id) {
					case 'rapid':
						bullet.children[0].tint = 0x00AAFF;
						bullet.children[0].width = 20;
						bullet.children[0].height = 20;
						break;
					case 'sniper':
						bullet.children[0].tint = 0xFF5500;
						bullet.children[0].width = 15;
						bullet.children[0].height = 15;
						break;
					case 'splash':
						bullet.children[0].tint = 0x33CC00;
						bullet.children[0].width = 40;
						bullet.children[0].height = 40;
						break;
					case 'slow':
						bullet.children[0].tint = 0x9900FF;
						bullet.children[0].width = 35;
						bullet.children[0].height = 35;
						break;
					case 'poison':
						bullet.children[0].tint = 0x00FFAA;
						bullet.children[0].width = 35;
						bullet.children[0].height = 35;
						break;
				}
				game.addChild(bullet);
				bullets.push(bullet);
				self.targetEnemy.bulletsTargetingThis.push(bullet);
				// --- 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;
		// Reset tint first
		previewGraphics.tint = 0xFFFFFF;
		// Apply red tint only if cannot place OR not enough gold
		// Apply green tint if can place AND has enough gold
		if (self.canPlace && self.hasEnoughGold) {
			previewGraphics.tint = 0x00FF00; // Green for valid placement
		} else {
			previewGraphics.tint = 0xFF0000; // Red for invalid placement or insufficient gold
		}
	};
	self.updatePlacementStatus = function () {
		// Check if tower fits in grid bounds and doesn't block path or overlap roads
		self.canPlace = self.gridX >= 0 && self.gridY >= 0 && self.gridX + 1 < grid.cells.length && self.gridY + 1 < grid.cells[0].length && !wouldBlockPath(self.gridX, self.gridY);
		self.blockedByEnemy = false;
		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;
	// Get character name based on tower type
	var characterName;
	switch (self.tower.id) {
		case 'rapid':
			characterName = 'Eren';
			break;
		case 'sniper':
			characterName = 'Sasha';
			break;
		case 'splash':
			characterName = 'Mikasa';
			break;
		case 'slow':
			characterName = 'Erwin';
			break;
		case 'poison':
			characterName = 'Levi';
			break;
		default:
			characterName = 'Armin';
	}
	// Add background for tower type text for better readability
	var towerTypeBackground = self.attachAsset('notification', {
		anchorX: 0,
		anchorY: 0.5
	});
	towerTypeBackground.width = 600;
	towerTypeBackground.height = 100;
	towerTypeBackground.x = -870;
	towerTypeBackground.y = -160;
	towerTypeBackground.tint = 0x2C3E50;
	towerTypeBackground.alpha = 0.9;
	var towerTypeText = new Text2(characterName + ' Tower', {
		size: 80,
		fill: 0xFFFFFF,
		weight: 800
	});
	towerTypeText.anchor.set(0, 0.5);
	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();
		grid.renderDebug();
		self.destroy();
		for (var i = 0; i < game.children.length; i++) {
			if (game.children[i].isTowerRange && game.children[i].tower === self.tower) {
				game.removeChild(game.children[i]);
				break;
			}
		}
	};
	closeButton.down = function (x, y, obj) {
		hideUpgradeMenu(self);
		selectedTower = null;
		grid.renderDebug();
	};
	self.update = function () {
		if (self.tower.level >= self.tower.maxLevel) {
			if (buttonText.text !== 'Max Level') {
				buttonText.setText('Max Level');
				buttonBackground.tint = 0x888888;
			}
			return;
		}
		// Exponential upgrade cost: base cost * (2 ^ (level-1)), scaled by tower base cost
		var baseUpgradeCost = getTowerCost(self.tower.id);
		var currentUpgradeCost;
		if (self.tower.level >= self.tower.maxLevel) {
			currentUpgradeCost = 0;
		} else if (self.tower.level === self.tower.maxLevel - 1) {
			currentUpgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1) * 3.5 / 2);
		} else {
			currentUpgradeCost = Math.floor(baseUpgradeCost * Math.pow(2, self.tower.level - 1));
		}
		var canAfford = gold >= currentUpgradeCost;
		buttonBackground.tint = canAfford ? 0x00AA00 : 0x888888;
		var newText = 'Upgrade: ' + currentUpgradeCost + ' gold';
		if (buttonText.text !== newText) {
			buttonText.setText(newText);
		}
	};
	return self;
});
var WaveIndicator = Container.expand(function () {
	var self = Container.call(this);
	self.gameStarted = false;
	self.waveMarkers = [];
	self.waveTypes = [];
	self.enemyCounts = [];
	self.indicatorWidth = 0;
	self.lastBossType = null; // Track the last boss type to avoid repeating
	var blockWidth = 400;
	var totalBlocksWidth = blockWidth * totalWaves;
	var startMarker = new Container();
	var startBlock = startMarker.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	startBlock.width = blockWidth - 10;
	startBlock.height = 70 * 2;
	startBlock.tint = 0x00AA00;
	// Add shadow for start text
	var startTextShadow = new Text2("Start Game", {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	startTextShadow.anchor.set(0.5, 0.5);
	startTextShadow.x = 4;
	startTextShadow.y = 4;
	startMarker.addChild(startTextShadow);
	var startText = new Text2("Start Game", {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	startText.anchor.set(0.5, 0.5);
	startMarker.addChild(startText);
	startMarker.x = -self.indicatorWidth;
	self.addChild(startMarker);
	self.waveMarkers.push(startMarker);
	startMarker.down = function () {
		if (!self.gameStarted) {
			self.gameStarted = true;
			currentWave = 0;
			waveTimer = nextWaveTime;
			startBlock.tint = 0x00FF00;
			startText.setText("Started!");
			startTextShadow.setText("Started!");
			// Make sure shadow position remains correct after text change
			startTextShadow.x = 4;
			startTextShadow.y = 4;
			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) {
				waveTimer++;
				if (waveTimer >= nextWaveTime) {
					waveTimer = 0;
					currentWave++;
					waveInProgress = true;
					waveSpawned = false;
					if (currentWave != 1) {
						var waveType = self.getWaveTypeName(currentWave);
						var enemyCount = self.getEnemyCount(currentWave);
						var notification = game.addChild(new Notification("Wave " + currentWave + " (" + waveType + " - " + enemyCount + " enemies) incoming!"));
						notification.x = 2048 / 2;
						notification.y = grid.height - 150;
					}
				}
			}
		};
		self.handleWaveProgression();
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var isHidingUpgradeMenu = false;
var gameStarted = false;
var mainMenuContainer = null;
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;
		}
	});
}
function createMainMenu() {
	mainMenuContainer = new Container();
	game.addChild(mainMenuContainer);
	// Add black background behind main menu
	var blackBackground = mainMenuContainer.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	blackBackground.width = 2048;
	blackBackground.height = 2732;
	blackBackground.tint = 0x000000;
	blackBackground.x = 2048 / 2;
	blackBackground.y = 2732 / 2;
	// Add main menu background
	var menuBackground = mainMenuContainer.attachAsset('Mainmenu', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBackground.x = 2048 / 2;
	menuBackground.y = 2732 / 2;
	// Create start button
	var startButton = new Container();
	mainMenuContainer.addChild(startButton);
	// Add button background for better visual feedback
	var startButtonBg = startButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	startButtonBg.width = 350;
	startButtonBg.height = 120;
	startButtonBg.tint = 0x2C3E50;
	startButtonBg.alpha = 0.8;
	var startText = new Text2("START", {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800,
		font: "'Copperplate Gothic'"
	});
	startText.anchor.set(0.5, 0.5);
	startButton.addChild(startText);
	// Add hover effect asset
	var hoverEffect = startButton.attachAsset('menuhover', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	hoverEffect.visible = false; // Initially hidden
	hoverEffect.width = 370;
	hoverEffect.height = 140;
	startButton.x = 2048 - 150 - 189 + 76; // Move 2cm right (2cm * 37.8 pixels/cm)
	startButton.y = 2732 - 150 - 567 - 189 - 189 + 76; // Move 1cm lower (1cm * 37.8 pixels/cm)
	// Remove the button's move handler - we'll handle everything in the global handler
	// Move handling is now done in the main game.move handler
	startButton.down = function () {
		startGame();
	};
	// Create options button
	var optionsButton = new Container();
	mainMenuContainer.addChild(optionsButton);
	// Add button background for options
	var optionsButtonBg = optionsButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	optionsButtonBg.width = 350;
	optionsButtonBg.height = 120;
	optionsButtonBg.tint = 0x2C3E50;
	optionsButtonBg.alpha = 0.8;
	var optionsText = new Text2("OPTIONS", {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800,
		font: "'Copperplate Gothic'"
	});
	optionsText.anchor.set(0.5, 0.5);
	optionsButton.addChild(optionsText);
	// Add hover effect asset for options button
	var optionsHoverEffect = optionsButton.attachAsset('menuhover', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	optionsHoverEffect.visible = false; // Initially hidden
	optionsHoverEffect.width = 370;
	optionsHoverEffect.height = 140;
	optionsButton.x = 2048 - 150 - 189 + 76; // Same X position as start button
	optionsButton.y = 2732 - 150 - 567 - 189 - 189 + 76 - 38 + 189; // 5cm (189 pixels) lower than start button
	optionsButton.down = function () {
		// Options functionality can be added here later
		var notification = game.addChild(new Notification("Options menu coming soon!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 150;
	};
	// Create story button
	var storyButton = new Container();
	mainMenuContainer.addChild(storyButton);
	// Add button background for story
	var storyButtonBg = storyButton.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	storyButtonBg.width = 350;
	storyButtonBg.height = 120;
	storyButtonBg.tint = 0x2C3E50;
	storyButtonBg.alpha = 0.8;
	var storyText = new Text2("STORY", {
		size: 60,
		fill: 0xFFFFFF,
		weight: 800,
		font: "'Coplerplate Gothic'"
	});
	storyText.anchor.set(0.5, 0.5);
	storyButton.addChild(storyText);
	// Add hover effect asset for story button
	var storyHoverEffect = storyButton.attachAsset('menuhover', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	storyHoverEffect.visible = false; // Initially hidden
	storyHoverEffect.width = 370;
	storyHoverEffect.height = 140;
	storyButton.x = 2048 - 150 - 189 + 76; // Same X position as start and options buttons
	storyButton.y = 2732 - 150 - 567 - 189 - 189 + 76 - 38 + 189 + 189; // 5cm (189 pixels) lower than options button
	storyButton.down = function () {
		// Story functionality can be added here later
		var notification = game.addChild(new Notification("Story mode coming soon!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 150;
	};
}
function startGame() {
	if (gameStarted) return;
	// Show difficulty page instead of starting game directly
	showDifficultyPage();
}
function showDifficultyPage() {
	// Hide main menu
	if (mainMenuContainer) {
		mainMenuContainer.visible = false;
	}
	// Create difficulty page container
	var difficultyContainer = new Container();
	game.addChild(difficultyContainer);
	// Add black background
	var blackBackground = difficultyContainer.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	blackBackground.width = 2048;
	blackBackground.height = 2732;
	blackBackground.tint = 0x000000;
	blackBackground.x = 2048 / 2;
	blackBackground.y = 2732 / 2;
	// Add difficulty page background
	var difficultyBackground = difficultyContainer.attachAsset('Difficulty', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	difficultyBackground.x = 2048 / 2;
	difficultyBackground.y = 2732 / 2;
	// Create difficulty buttons
	var difficulties = [{
		name: "CADET",
		y: 862 // Move 40 pixels lower
	}, {
		name: "SQUAD LEADER",
		y: 1287 // 3cm higher (113 pixels)
	}, {
		name: "CAPTAIN",
		y: 1789 // Move 2cm lower (76 pixels)
	}, {
		name: "TATAKAE",
		y: 2253 // Move 3cm lower (113 pixels)
	}];
	for (var i = 0; i < difficulties.length; i++) {
		var difficulty = difficulties[i];
		var difficultyButton = new Container();
		difficultyContainer.addChild(difficultyButton);
		// Add button background
		var buttonBg = difficultyButton.attachAsset('notification', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		buttonBg.width = 600;
		buttonBg.height = 120;
		// Apply specific colors for difficulty buttons
		if (difficulty.name === "CADET") {
			buttonBg.tint = 0xD2B48C; // Tan color
		} else if (difficulty.name === "SQUAD LEADER") {
			buttonBg.tint = 0x93C47D; // Pistachio green color
		} else if (difficulty.name === "CAPTAIN") {
			buttonBg.tint = 0x8B0000; // Dark red color
		} else if (difficulty.name === "TATAKAE") {
			buttonBg.tint = 0x4682B4; // Darker steel blue color
		} else {
			buttonBg.tint = 0x2C3E50;
		}
		buttonBg.alpha = 0.8;
		var buttonText = new Text2(difficulty.name, {
			size: 52,
			fill: 0xFFFFFF,
			weight: 800
		});
		buttonText.anchor.set(0.5, 0.5);
		difficultyButton.addChild(buttonText);
		difficultyButton.x = 2048 / 2;
		difficultyButton.y = difficulty.y;
		// Add tween animation for all difficulty buttons
		if (difficulty.name === "CADET") {
			// Start slightly higher and animate to final position
			difficultyButton.y = difficulty.y - 50;
			tween(difficultyButton, {
				y: difficulty.y
			}, {
				duration: 800,
				easing: tween.bounceOut
			});
		} else if (difficulty.name === "SQUAD LEADER") {
			// Start slightly higher and animate to final position
			difficultyButton.y = difficulty.y - 50;
			tween(difficultyButton, {
				y: difficulty.y
			}, {
				duration: 800,
				easing: tween.bounceOut
			});
		} else if (difficulty.name === "CAPTAIN") {
			// Start slightly higher and animate to final position
			difficultyButton.y = difficulty.y - 50;
			tween(difficultyButton, {
				y: difficulty.y
			}, {
				duration: 800,
				easing: tween.bounceOut
			});
		} else if (difficulty.name === "TATAKAE") {
			// Start slightly higher and animate to final position
			difficultyButton.y = difficulty.y - 50;
			tween(difficultyButton, {
				y: difficulty.y
			}, {
				duration: 800,
				easing: tween.bounceOut
			});
		}
		// Store difficulty name for button handler
		difficultyButton.difficultyName = difficulty.name;
		// Add hover animation for each difficulty button
		difficultyButton.move = function (x, y, obj) {
			// Check if mouse is within button bounds
			var buttonLeft = this.x - 300; // half of button width (600/2)  
			var buttonRight = this.x + 300;
			var buttonTop = this.y - 60; // half of button height (120/2)
			var buttonBottom = this.y + 60;
			var mouseInButton = x >= buttonLeft && x <= buttonRight && y >= buttonTop && y <= buttonBottom;
			if (mouseInButton) {
				// Stop any existing scale tweens
				tween.stop(this, {
					scaleX: true,
					scaleY: true
				});
				// Scale up on hover
				tween(this, {
					scaleX: 1.1,
					scaleY: 1.1
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			} else {
				// Stop any existing scale tweens  
				tween.stop(this, {
					scaleX: true,
					scaleY: true
				});
				// Scale back to normal
				tween(this, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		};
		difficultyButton.down = function () {
			// Start game with selected difficulty
			startGameWithDifficulty(this.difficultyName);
			// Remove difficulty page
			difficultyContainer.destroy();
		};
	}
}
function startGameWithDifficulty(selectedDifficulty) {
	if (gameStarted) return;
	gameStarted = true;
	// Stop main menu music immediately
	LK.stopMusic();
	// Store selected difficulty (can be used for game balancing)
	game.selectedDifficulty = selectedDifficulty;
	// Initialize game elements that were previously created at startup
	initializeGameElements();
	// Start the first wave
	if (waveIndicator) {
		waveIndicator.gameStarted = true;
		currentWave = 0;
		waveTimer = nextWaveTime;
	}
	// Show difficulty selection notification
	var notification = game.addChild(new Notification("Difficulty: " + selectedDifficulty + " selected!"));
	notification.x = 2048 / 2;
	notification.y = grid.height - 150;
}
function initializeGameElements() {
	// Show previously hidden UI elements
	// waveIndicator.visible = true; // Removed - keep wave indicator hidden
	nextWaveButton.visible = true;
	towerLayer.visible = true;
	enemyLayer.visible = true;
	goldImage.visible = true;
	goldText.visible = true;
	// Update gold text to show current gold amount
	updateUI();
	// Show source towers
	for (var i = 0; i < sourceTowers.length; i++) {
		sourceTowers[i].visible = true;
	}
	// Show player character
	if (player) {
		player.visible = true;
	}
	// Show spawn point
	if (spawnPoint) {
		spawnPoint.visible = true;
	}
	// Show base castle
	if (baseCastle) {
		baseCastle.visible = true;
	}
	// Any other game initialization that should happen when starting
}
var CELL_SIZE = 76;
var pathId = 1;
var maxScore = 0;
var enemies = [];
var towers = [];
var bullets = [];
var defenses = [];
var selectedTower = null;
var gold = 60;
var lives = 20;
var score = 0;
var currentWave = 0;
var totalWaves = 50;
var waveTimer = 0;
var waveInProgress = false;
var waveSpawned = false;
var nextWaveTime = 12000 / 2;
var sourceTower = null;
var enemiesToSpawn = 10; // Default number of enemies per wave
var goldImage = LK.getAsset('gold', {
	anchorX: 0.5,
	anchorY: 0.5
});
goldImage.visible = false; // Hide gold image initially
LK.gui.left.addChild(goldImage);
goldImage.x = 38; // Move 1 cm right (1cm * 37.8 pixels/cm)
goldImage.y = 0;
var goldText = new Text2('0', {
	size: 60,
	fill: 0xFFD700,
	weight: 800
});
goldText.anchor.set(0, 0.5);
goldText.visible = false; // Hide gold text initially
LK.gui.left.addChild(goldText);
goldText.x = goldImage.x + goldImage.width / 2 + 10; // Position next to gold image with small gap
goldText.y = 0;
function updateUI() {
	goldText.setText(gold.toString());
}
function setGold(value) {
	gold = value;
	updateUI();
}
var debugLayer = new Container();
var towerLayer = new Container();
// Create three separate layers for enemy hierarchy
var enemyLayerBottom = new Container(); // For normal enemies
var enemyLayerMiddle = new Container(); // For shadows
var enemyLayerTop = new Container(); // For flying enemies
var enemyLayer = new Container(); // Main container to hold all enemy layers
// Add layers in correct order (bottom first, then middle for shadows, then top)
enemyLayer.addChild(enemyLayerBottom);
enemyLayer.addChild(enemyLayerMiddle);
enemyLayer.addChild(enemyLayerTop);
var grid = new Grid(24, 29 + 6);
grid.x = 150;
grid.y = 200 - CELL_SIZE * 4;
// Create road path from spawn to base
function createRoadPath() {
	// Clear existing path cells (set them to grass/floor)
	for (var i = 0; i < grid.cells.length; i++) {
		for (var j = 0; j < grid.cells[0].length; j++) {
			var cell = grid.cells[i][j];
			if (cell.type === 0) {
				// Convert floor cells to walls first
				cell.type = 1;
			}
		}
	}
	// Define the maze-like road path coordinates with longer turns
	var roadPath = [
	// Start from spawn point (column 11) - extended downward
	{
		x: 11,
		y: 0
	}, {
		x: 11,
		y: 1
	}, {
		x: 11,
		y: 2
	}, {
		x: 11,
		y: 3
	}, {
		x: 11,
		y: 4
	}, {
		x: 11,
		y: 5
	}, {
		x: 11,
		y: 6
	}, {
		x: 11,
		y: 7
	}, {
		x: 11,
		y: 8
	},
	// First turn right - extended rightward
	{
		x: 12,
		y: 8
	}, {
		x: 13,
		y: 8
	}, {
		x: 14,
		y: 8
	}, {
		x: 15,
		y: 8
	}, {
		x: 16,
		y: 8
	}, {
		x: 17,
		y: 8
	},
	// Turn down - extended downward
	{
		x: 17,
		y: 9
	}, {
		x: 17,
		y: 10
	}, {
		x: 17,
		y: 11
	}, {
		x: 17,
		y: 12
	}, {
		x: 17,
		y: 13
	}, {
		x: 17,
		y: 14
	},
	// Turn left - extended leftward
	{
		x: 16,
		y: 14
	}, {
		x: 15,
		y: 14
	}, {
		x: 14,
		y: 14
	}, {
		x: 13,
		y: 14
	}, {
		x: 12,
		y: 14
	}, {
		x: 11,
		y: 14
	}, {
		x: 10,
		y: 14
	}, {
		x: 9,
		y: 14
	}, {
		x: 8,
		y: 14
	}, {
		x: 7,
		y: 14
	},
	// Turn down - extended downward
	{
		x: 7,
		y: 15
	}, {
		x: 7,
		y: 16
	}, {
		x: 7,
		y: 17
	}, {
		x: 7,
		y: 18
	}, {
		x: 7,
		y: 19
	},
	// Turn right - extended rightward
	{
		x: 8,
		y: 19
	}, {
		x: 9,
		y: 19
	}, {
		x: 10,
		y: 19
	}, {
		x: 11,
		y: 19
	}, {
		x: 12,
		y: 19
	}, {
		x: 13,
		y: 19
	}, {
		x: 14,
		y: 19
	}, {
		x: 15,
		y: 19
	}, {
		x: 16,
		y: 19
	}, {
		x: 17,
		y: 19
	}, {
		x: 18,
		y: 19
	},
	// Turn down - extended downward
	{
		x: 18,
		y: 20
	}, {
		x: 18,
		y: 21
	}, {
		x: 18,
		y: 22
	}, {
		x: 18,
		y: 23
	}, {
		x: 18,
		y: 24
	},
	// Turn left - extended leftward
	{
		x: 17,
		y: 24
	}, {
		x: 16,
		y: 24
	}, {
		x: 15,
		y: 24
	}, {
		x: 14,
		y: 24
	}, {
		x: 13,
		y: 24
	}, {
		x: 12,
		y: 24
	},
	// Turn down - extended downward
	{
		x: 12,
		y: 25
	}, {
		x: 12,
		y: 26
	}, {
		x: 12,
		y: 27
	},
	// Turn right towards base - extended rightward
	{
		x: 13,
		y: 27
	}, {
		x: 14,
		y: 27
	}, {
		x: 15,
		y: 27
	}, {
		x: 16,
		y: 27
	}, {
		x: 17,
		y: 27
	}, {
		x: 18,
		y: 27
	}, {
		x: 19,
		y: 27
	}, {
		x: 20,
		y: 27
	}, {
		x: 21,
		y: 27
	}];
	// Set road tiles along the path
	for (var i = 0; i < roadPath.length; i++) {
		var pathPoint = roadPath[i];
		var cell = grid.getCell(pathPoint.x, pathPoint.y);
		if (cell) {
			cell.type = 0; // Set as passable road
		}
	}
	// Ensure spawn and goal areas remain correct
	for (var i = 11 - 3; i <= 11 + 3; i++) {
		var spawnCell = grid.getCell(i, 0);
		if (spawnCell) {
			spawnCell.type = 2; // Spawn
		}
	}
	// Set castle area as goal (2x2 area around castle position)
	var castleGridX = grid.cells.length - 3; // 2 cells from right edge
	var castleGridY = grid.cells[0].length - 8; // 7 cells up from bottom
	for (var ci = 0; ci < 2; ci++) {
		for (var cj = 0; cj < 2; cj++) {
			var castleCell = grid.getCell(castleGridX + ci, castleGridY + cj);
			if (castleCell) {
				castleCell.type = 3; // Set as goal
			}
		}
	}
}
// Create the road path
createRoadPath();
grid.pathFind();
grid.renderDebug();
debugLayer.addChild(grid);
debugLayer.visible = true; // Show the debug layer so road tiles are visible
game.addChild(debugLayer);
towerLayer.visible = false; // Hide tower layer initially
enemyLayer.visible = false; // Hide enemy layer initially
game.addChild(towerLayer);
game.addChild(enemyLayer);
var offset = 0;
var towerPreview = new TowerPreview();
game.addChild(towerPreview);
towerPreview.visible = false;
var isDragging = false;
function wouldBlockPath(gridX, gridY) {
	// First check if any cell in the 2x2 tower footprint is a road tile (type 0)
	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) {
				// Cannot build on road tiles
				return true;
			}
		}
	}
	var cells = [];
	for (var i = 0; i < 2; i++) {
		for (var j = 0; j < 2; j++) {
			var cell = grid.getCell(gridX + i, gridY + j);
			if (cell) {
				cells.push({
					cell: cell,
					originalType: cell.type
				});
				cell.type = 1;
			}
		}
	}
	var blocked = grid.pathFind();
	for (var i = 0; i < cells.length; i++) {
		cells[i].cell.type = cells[i].originalType;
	}
	grid.pathFind();
	grid.renderDebug();
	return blocked;
}
function getTowerCost(towerType) {
	var cost = 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();
		grid.renderDebug();
		return true;
	} else {
		var notification = game.addChild(new Notification("Not enough gold!"));
		notification.x = 2048 / 2;
		notification.y = grid.height - 50;
		return false;
	}
}
var draggedTower = null;
var dragStartTime = 0;
game.down = function (x, y, obj) {
	if (!gameStarted) {
		return;
	}
	var upgradeMenuVisible = game.children.some(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenuVisible) {
		return;
	}
	// Record drag start time for distinguishing between drag and click
	dragStartTime = LK.ticks;
	// Handle contextual player actions based on distance
	if (player && player.visible) {
		// Check if clicking in a valid game area (not on UI elements)
		var inGameArea = x >= grid.x && x <= grid.x + grid.cells.length * CELL_SIZE && y >= grid.y + CELL_SIZE * 4 && y <= grid.y + (grid.cells[0].length - 4) * CELL_SIZE;
		if (inGameArea) {
			// Calculate distance from player to tap location
			var dx = x - player.x;
			var dy = y - player.y;
			var distanceToTap = Math.sqrt(dx * dx + dy * dy);
			// If tapping close to hero (within attack range): attack
			if (distanceToTap <= player.attackRange) {
				// Trigger attack
				if (player.attack()) {
					// Attack successful - show feedback
					var notification = game.addChild(new Notification("Slash attack!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 50;
				} else {
					// Attack failed - not enough stamina
					var notification = game.addChild(new Notification("Not enough stamina!"));
					notification.x = 2048 / 2;
					notification.y = grid.height - 50;
				}
			} else {
				// If tapping far from hero: move to that location
				player.moveTo(x, y);
			}
		}
	}
	// Check if clicking on existing towers (no dragging allowed - towers are permanent)
	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) {
			// Store the clicked tower for upgrade menu only (no dragging)
			draggedTower = tower;
			return; // Exit early to prevent other interactions
		}
	}
	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 type first
			if (gold >= getTowerCost(tower.towerType)) {
				// Initialize dragging state
				isDragging = true;
				towerPreview.towerType = tower.towerType;
				towerPreview.visible = true;
				// Position the preview at the initial drag position and update its status
				towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
				towerPreview.updatePlacementStatus();
			} else {
				// Show notification if can't afford
				var notification = game.addChild(new Notification("Not enough gold!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
			break;
		}
	}
};
game.move = function (x, y, obj) {
	if (!gameStarted) {
		// Handle main menu hover effects when game hasn't started
		if (mainMenuContainer && mainMenuContainer.visible) {
			// Get button references from the main menu container
			var startButton = mainMenuContainer.children[2]; // third child after backgrounds
			var optionsButton = mainMenuContainer.children[3]; // fourth child 
			var storyButton = mainMenuContainer.children[4]; // fifth child
			var startText = startButton.children[1]; // text is second child after background
			var optionsText = optionsButton.children[1]; // text is second child after background  
			var storyText = storyButton.children[1]; // text is second child after background
			var hoverEffect = startButton.children[2]; // hover effect is third child
			var optionsHoverEffect = optionsButton.children[2]; // hover effect is third child
			var storyHoverEffect = storyButton.children[2]; // hover effect is third child
			// Calculate start button bounds more precisely - use button background size
			var buttonLeft = startButton.x - 175; // half of button background width (350/2)
			var buttonRight = startButton.x + 175;
			var buttonTop = startButton.y - 60; // half of button background height (120/2)
			var buttonBottom = startButton.y + 60;
			// Check if mouse is within start button bounds
			var mouseInButton = x >= buttonLeft && x <= buttonRight && y >= buttonTop && y <= buttonBottom;
			// Only show hover effect when mouse is precisely over the button
			hoverEffect.visible = mouseInButton;
			// Animate text color change with tween
			if (mouseInButton) {
				// Stop any existing tween on the text
				tween.stop(startText, {
					tint: true
				});
				// Tween to red color
				tween(startText, {
					tint: 0xFF0000
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			} else {
				// Stop any existing tween on the text
				tween.stop(startText, {
					tint: true
				});
				// Tween back to white color
				tween(startText, {
					tint: 0xFFFFFF
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
			// Calculate options button bounds more precisely
			var optionsButtonLeft = optionsButton.x - 175;
			var optionsButtonRight = optionsButton.x + 175;
			var optionsButtonTop = optionsButton.y - 60;
			var optionsButtonBottom = optionsButton.y + 60;
			// Check if mouse is within options button bounds
			var mouseInOptionsButton = x >= optionsButtonLeft && x <= optionsButtonRight && y >= optionsButtonTop && y <= optionsButtonBottom;
			// Only show hover effect when mouse is precisely over the options button
			optionsHoverEffect.visible = mouseInOptionsButton;
			// Calculate story button bounds more precisely
			var storyButtonLeft = storyButton.x - 175;
			var storyButtonRight = storyButton.x + 175;
			var storyButtonTop = storyButton.y - 60;
			var storyButtonBottom = storyButton.y + 60;
			// Check if mouse is within story button bounds
			var mouseInStoryButton = x >= storyButtonLeft && x <= storyButtonRight && y >= storyButtonTop && y <= storyButtonBottom;
			// Only show hover effect when mouse is precisely over the story button
			storyHoverEffect.visible = mouseInStoryButton;
			// Animate options text color change with tween
			if (mouseInOptionsButton) {
				// Stop any existing tween on the options text
				tween.stop(optionsText, {
					tint: true
				});
				// Tween to green color
				tween(optionsText, {
					tint: 0x00FF00
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			} else {
				// Stop any existing tween on the options text
				tween.stop(optionsText, {
					tint: true
				});
				// Tween back to white color
				tween(optionsText, {
					tint: 0xFFFFFF
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
			// Animate story text color change with tween
			if (mouseInStoryButton) {
				// Stop any existing tween on the story text
				tween.stop(storyText, {
					tint: true
				});
				// Tween to blue color
				tween(storyText, {
					tint: 0x4444FF
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			} else {
				// Stop any existing tween on the story text
				tween.stop(storyText, {
					tint: true
				});
				// Tween back to white color
				tween(storyText, {
					tint: 0xFFFFFF
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		} else {
			// Hide hover effect when not in main menu - but check if elements exist first
			if (mainMenuContainer && mainMenuContainer.children.length > 2) {
				var startButton = mainMenuContainer.children[2];
				var optionsButton = mainMenuContainer.children[3];
				var storyButton = mainMenuContainer.children[4];
				if (startButton && startButton.children.length > 2) {
					startButton.children[2].visible = false; // hoverEffect
				}
				if (optionsButton && optionsButton.children.length > 2) {
					optionsButton.children[2].visible = false; // optionsHoverEffect
				}
				if (storyButton && storyButton.children.length > 2) {
					storyButton.children[2].visible = false; // storyHoverEffect
				}
			}
		}
		return;
	}
	// Handle tower dragging when game is started
	if (isDragging && towerPreview.visible) {
		// Shift the y position upward by 1.5 tiles to show preview above finger
		towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
		// Force update the preview appearance after position change
		towerPreview.updatePlacementStatus();
	}
};
game.up = function (x, y, obj) {
	if (!gameStarted) {
		return;
	}
	var dragDuration = LK.ticks - dragStartTime;
	var wasQuickClick = dragDuration < 10; // Less than ~1/6 second is considered a click
	var clickedOnTower = false;
	var clickedTower = null;
	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;
			clickedTower = tower;
			break;
		}
	}
	var upgradeMenus = game.children.filter(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenus.length > 0 && !isDragging && !clickedOnTower) {
		var clickedOnMenu = false;
		for (var i = 0; i < upgradeMenus.length; i++) {
			var menu = upgradeMenus[i];
			var menuWidth = 2048;
			var menuHeight = 450;
			var menuLeft = menu.x - menuWidth / 2;
			var menuRight = menu.x + menuWidth / 2;
			var menuTop = menu.y - menuHeight / 2;
			var menuBottom = menu.y + menuHeight / 2;
			if (x >= menuLeft && x <= menuRight && y >= menuTop && y <= menuBottom) {
				clickedOnMenu = true;
				break;
			}
		}
		if (!clickedOnMenu) {
			for (var i = 0; i < upgradeMenus.length; i++) {
				var menu = upgradeMenus[i];
				hideUpgradeMenu(menu);
			}
			for (var i = game.children.length - 1; i >= 0; i--) {
				if (game.children[i].isTowerRange) {
					game.removeChild(game.children[i]);
				}
			}
			selectedTower = null;
			grid.renderDebug();
		}
	}
	if (isDragging) {
		isDragging = false;
		// Only allow placing new towers from source towers (no tower repositioning)
		if (!draggedTower && towerPreview.canPlace && towerPreview.hasEnoughGold) {
			// This is placing a new tower from source towers
			placeTower(towerPreview.gridX, towerPreview.gridY, towerPreview.towerType);
		} else if (!towerPreview.hasEnoughGold) {
			var notification = game.addChild(new Notification("Not enough gold!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		} else if (towerPreview.visible) {
			var notification = game.addChild(new Notification("Cannot build here!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		}
		towerPreview.visible = false;
		// For existing towers, show upgrade menu on quick click
		if (draggedTower && wasQuickClick) {
			clickedTower = draggedTower;
			clickedOnTower = true;
		}
		draggedTower = null;
		var upgradeMenus = game.children.filter(function (child) {
			return child instanceof UpgradeMenu;
		});
		for (var i = 0; i < upgradeMenus.length; i++) {
			upgradeMenus[i].destroy();
		}
	}
	// Handle tower click for upgrade menu (only if it was a quick click)
	if (clickedOnTower && clickedTower && wasQuickClick) {
		// Trigger the tower's down method to show upgrade menu
		clickedTower.down(x, y, obj);
	}
};
var waveIndicator = new WaveIndicator();
waveIndicator.visible = false; // Hide the wave indicator UI - permanently hidden
game.addChild(waveIndicator);
var nextWaveButtonContainer = new Container();
var nextWaveButton = new NextWaveButton();
nextWaveButton.visible = false; // Hide the next wave button
nextWaveButton.x = 189; // Move 5cm right (5cm * 37.8 pixels/cm)
nextWaveButton.y = 378; // Move 10cm down (10cm * 37.8 pixels/cm)
nextWaveButtonContainer.addChild(nextWaveButton);
game.addChild(nextWaveButtonContainer);
// Start playing main menu music immediately
LK.playMusic('MainMenuSt');
// Create main menu when game loads
createMainMenu();
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;
	tower.visible = false; // Hide source towers initially
	towerLayer.addChild(tower);
	sourceTowers.push(tower);
}
sourceTower = null;
enemiesToSpawn = 10;
// Create spawn point image at the enemy spawn location
var spawnPoint = LK.getAsset('spawnpoint', {
	anchorX: 0.5,
	anchorY: 0.5
});
spawnPoint.x = grid.x + 11 * CELL_SIZE + CELL_SIZE / 2 - 38; // Center of spawn area (middle of 6 tiles), moved 1cm left (38 pixels)
spawnPoint.y = grid.y + 264 - 76; // Top of the grid where enemies spawn, moved 7cm (264 pixels) lower, then 2cm up (76 pixels)
spawnPoint.visible = false; // Hide initially until game starts
game.addChild(spawnPoint);
// Create base castle - positioned 7cm (264 pixels) up from bottom right
var baseCastle = new BaseCastle();
baseCastle.x = grid.x + (grid.cells.length - 2) * CELL_SIZE; // 2 cells from right edge
baseCastle.y = grid.y + (grid.cells[0].length - 7) * CELL_SIZE; // 7 cells up from bottom
baseCastle.visible = false; // Hide initially until game starts
game.addChild(baseCastle);
// Create player character
var player = new Player();
player.x = grid.x + grid.cells.length * CELL_SIZE / 2; // Center X of the map
player.y = grid.y + grid.cells[0].length * CELL_SIZE / 2; // Center Y of the map
player.visible = false; // Hide initially until game starts
game.addChild(player);
game.update = function () {
	if (!gameStarted) {
		return;
	}
	if (waveInProgress) {
		if (!waveSpawned) {
			waveSpawned = true;
			// Get wave type and enemy count from the wave indicator
			var waveType = waveIndicator.getWaveType(currentWave);
			var enemyCount = waveIndicator.getEnemyCount(currentWave);
			// Check if this is a boss wave
			var isBossWave = currentWave % 10 === 0 && currentWave > 0;
			if (isBossWave && waveType !== 'swarm') {
				// Boss waves have just 1 enemy regardless of what the wave indicator says
				enemyCount = 1;
				// Show boss announcement
				var notification = game.addChild(new Notification("⚠️ BOSS WAVE! ⚠️"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 200;
			}
			// Initialize enemy spawn tracking if not already set
			if (!game.enemySpawnQueue) {
				game.enemySpawnQueue = [];
				game.enemySpawnTimer = 0;
				game.enemySpawnDelay = 120; // 2 second delay (120 frames = 2 seconds at 60 FPS)
			}
			// Create spawn queue for this wave
			for (var i = 0; i < enemyCount; i++) {
				game.enemySpawnQueue.push({
					waveType: waveType,
					waveNumber: currentWave
				});
			}
		}
		var currentWaveEnemiesRemaining = false;
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i].waveNumber === currentWave) {
				currentWaveEnemiesRemaining = true;
				break;
			}
		}
		if (waveSpawned && !currentWaveEnemiesRemaining) {
			waveInProgress = false;
			waveSpawned = false;
		}
	}
	// Handle enemy spawning from queue one by one
	if (game.enemySpawnQueue && game.enemySpawnQueue.length > 0) {
		game.enemySpawnTimer++;
		if (game.enemySpawnTimer >= game.enemySpawnDelay) {
			game.enemySpawnTimer = 0;
			// Spawn one enemy from the queue
			var spawnData = game.enemySpawnQueue.shift();
			var enemy = new Enemy(spawnData.waveType);
			// Add enemy to the appropriate layer based on type
			if (enemy.isFlying) {
				// Add flying enemy to the top layer
				enemyLayerTop.addChild(enemy);
				// If it's a flying enemy, add its shadow to the middle layer
				if (enemy.shadow) {
					enemyLayerMiddle.addChild(enemy.shadow);
				}
			} else {
				// Add normal/ground enemies to the bottom layer
				enemyLayerBottom.addChild(enemy);
			}
			// Scale difficulty with wave number
			var healthMultiplier = Math.pow(1.12, spawnData.waveNumber); // ~20% increase per wave
			enemy.maxHealth = Math.round(enemy.maxHealth * healthMultiplier);
			enemy.health = enemy.maxHealth;
			// Position enemy exactly on top of spawnpoint image
			var spawnX = 11; // Center column where spawnpoint is located
			var spawnY = 0; // Exactly at the spawnpoint position
			enemy.cellX = spawnX;
			enemy.cellY = spawnY;
			enemy.currentCellX = spawnX;
			enemy.currentCellY = spawnY;
			// Set enemy position to match spawnpoint exactly, then move 3cm lower and 1cm right
			enemy.x = spawnPoint.x + 38; // Move 1cm right (1cm * 37.8 pixels/cm)
			enemy.y = spawnPoint.y + 113; // Move 3cm lower (3cm * 37.8 pixels/cm) 
			enemy.waveNumber = spawnData.waveNumber;
			enemies.push(enemy);
		}
	}
	for (var a = enemies.length - 1; a >= 0; a--) {
		var enemy = enemies[a];
		if (enemy.health <= 0) {
			for (var i = 0; i < enemy.bulletsTargetingThis.length; i++) {
				var bullet = enemy.bulletsTargetingThis[i];
				bullet.targetEnemy = null;
			}
			// Boss enemies give more gold and score
			var 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);
			// 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();
			// 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);
			continue;
		}
		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);
		}
	}
	for (var i = bullets.length - 1; i >= 0; i--) {
		if (!bullets[i].parent) {
			if (bullets[i].targetEnemy) {
				var targetEnemy = bullets[i].targetEnemy;
				var bulletIndex = targetEnemy.bulletsTargetingThis.indexOf(bullets[i]);
				if (bulletIndex !== -1) {
					targetEnemy.bulletsTargetingThis.splice(bulletIndex, 1);
				}
			}
			bullets.splice(i, 1);
		}
	}
	if (towerPreview.visible) {
		towerPreview.checkPlacement();
	}
	if (currentWave >= totalWaves && enemies.length === 0 && !waveInProgress) {
		LK.showYouWin();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -1374,8 +1374,13 @@
 	self.channelingTimer = 0;
 	self.hangeActive = false;
 	self.hangeSummoned = false;
 	self.hangeInstance = null;
+	// Initialize transformation properties for Eren tower
+	self.isTransforming = false;
+	self.transformationTimer = 0;
+	self.isTitan = false;
+	self.titanDuration = 0;
 	// Declare baseGraphics early to avoid undefined errors
 	var baseGraphics;
 	switch (self.id) {
 		case 'rapid':
@@ -1438,8 +1443,33 @@
 		self.channelBar.height = 16;
 		self.channelBar.tint = 0x00ff00; // Green color
 		self.channelBar.visible = false;
 	}
+	// Create transformation meter for Eren tower (initially hidden)
+	self.transformBarBg = null;
+	self.transformBar = null;
+	if (self.id === 'rapid') {
+		// Create transformation bar background
+		self.transformBarBg = self.attachAsset('staminaBarBg', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.transformBarBg.y = -baseGraphics.height / 2 - 40;
+		self.transformBarBg.width = 150;
+		self.transformBarBg.height = 16;
+		self.transformBarBg.visible = false;
+		// Create transformation bar
+		self.transformBar = self.attachAsset('staminaBar', {
+			anchorX: 0,
+			anchorY: 0.5
+		});
+		self.transformBar.x = -self.transformBarBg.width / 2;
+		self.transformBar.y = -baseGraphics.height / 2 - 40;
+		self.transformBar.width = 0;
+		self.transformBar.height = 16;
+		self.transformBar.tint = 0xff0000; // Red color for transformation
+		self.transformBar.visible = false;
+	}
 	switch (self.id) {
 		case 'rapid':
 			self.fireRate = 30;
 			self.damage = 5;
@@ -1624,8 +1654,54 @@
 		}
 		return closestEnemy;
 	};
 	self.update = function () {
+		// Handle Eren tower transformation
+		if (self.id === 'rapid') {
+			if (!self.isTransforming && !self.isTitan) {
+				// Normal Eren tower - start transformation timer after spawning
+				self.transformationTimer++;
+				// Show transformation meter
+				if (self.transformBarBg && self.transformBar) {
+					self.transformBarBg.visible = true;
+					self.transformBar.visible = true;
+					// Calculate progress (transformation takes 600 frames = 10 seconds)
+					var progress = self.transformationTimer / 600;
+					self.transformBar.width = self.transformBarBg.width * progress;
+				}
+				// Transform to titan after 10 seconds
+				if (self.transformationTimer >= 600) {
+					self.isTitan = true;
+					self.titanDuration = 600; // Stay as titan for 10 seconds
+					self.transformationTimer = 0;
+					// Switch to titan asset
+					baseGraphics.visible = false;
+					var titanGraphics = self.attachAsset('erentitan', {
+						anchorX: 0.5,
+						anchorY: 0.5
+					});
+					self.titanGraphics = titanGraphics;
+					// Hide transformation meter when transformed
+					if (self.transformBarBg && self.transformBar) {
+						self.transformBarBg.visible = false;
+						self.transformBar.visible = false;
+					}
+				}
+			} else if (self.isTitan) {
+				// In titan form - countdown to transform back
+				self.titanDuration--;
+				if (self.titanDuration <= 0) {
+					// Transform back to normal Eren tower
+					self.isTitan = false;
+					self.transformationTimer = 0;
+					// Remove titan graphics and show normal graphics
+					if (self.titanGraphics && self.titanGraphics.parent) {
+						self.removeChild(self.titanGraphics);
+					}
+					baseGraphics.visible = true;
+				}
+			}
+		}
 		// Handle Erwin tower channeling and Hange summoning
 		if (self.id === 'slow' && self.isChanneling) {
 			self.channelingTimer--;
 			// Update channel bar progress
@@ -1817,8 +1893,14 @@
 		var distance = Math.sqrt(dx * dx + dy * dy);
 		return distance <= self.getRange();
 	};
 	self.fire = function () {
+		// Special handling for Eren tower - can only attack in titan form
+		if (self.id === 'rapid') {
+			if (!self.isTitan) {
+				return; // Cannot attack in normal form
+			}
+		}
 		// Special handling for Erwin tower
 		if (self.id === 'slow') {
 			// Check if already channeling or if Hange is active
 			if (self.isChanneling || self.hangeActive) {
@@ -1851,8 +1933,31 @@
 				// For slow tower, pass level for scaling slow effect
 				if (self.id === 'slow') {
 					bullet.sourceTowerLevel = self.level;
 				}
+				// Handle Eren titan tower attack animation
+				if (self.id === 'rapid' && self.isTitan) {
+					// Switch to attack asset
+					var attackGraphics = self.attachAsset('erentitanattack', {
+						anchorX: 0.5,
+						anchorY: 0.5
+					});
+					// Hide the titan graphics
+					if (self.titanGraphics) {
+						self.titanGraphics.visible = false;
+					}
+					// Switch back to titan graphics after attack duration
+					LK.setTimeout(function () {
+						// Remove attack graphics
+						if (attackGraphics && attackGraphics.parent) {
+							self.removeChild(attackGraphics);
+						}
+						// Show titan graphics again
+						if (self.titanGraphics) {
+							self.titanGraphics.visible = true;
+						}
+					}, 500); // 500ms attack animation duration
+				}
 				// Handle Sasha tower attack animation
 				if (self.id === 'sniper') {
 					// Switch to attack asset
 					var attackGraphics = self.attachAsset('sashaattack', {