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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function (startX, startY, targetEnemy, damage, speed) {
	var self = Container.call(this);
	self.targetEnemy = targetEnemy;
	self.damage = damage || 10;
	self.speed = speed || 5;
	self.x = startX;
	self.y = startY;
	var assetName = 'bullet'; // default bullet asset
	if (self.type === 'splash') {
		assetName = 'bola';
	}
	var bulletGraphics = self.attachAsset(assetName, {
		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 distanceSquared = dx * dx + dy * dy; // Use squared distance
		if (distanceSquared < self.speed * 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 * 3;
				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 percentage-based damage
					var damagePercentage = 0.1; // Base 10% damage
					if (self.sourceTowerLevel !== undefined) {
						// Scale damage percentage with tower level: 10% at level 1, up to 20% at level 6
						var damagePercentages = [0.1, 0.12, 0.14, 0.16, 0.18, 0.2];
						var idx = Math.max(0, Math.min(5, self.sourceTowerLevel - 1));
						damagePercentage = damagePercentages[idx];
					}
					// Apply percentage damage based on enemy's max health
					var percentageDamage = Math.floor(self.targetEnemy.maxHealth * damagePercentage);
					self.targetEnemy.health -= percentageDamage;
					if (self.targetEnemy.health <= 0) {
						self.targetEnemy.health = 0;
					} else {
						self.targetEnemy.healthBar.width = self.targetEnemy.health / self.targetEnemy.maxHealth * 70;
					}
					// 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') {
				// Create visual poison effect at impact location
				var poisonEffect = new EffectIndicator(self.targetEnemy.x, self.targetEnemy.y, 'poison');
				game.addChild(poisonEffect);
				// Poison area damage to nearby enemies (including the target)
				var poisonRadius = CELL_SIZE * 1.4; // 2x2 cells area (sqrt(2) * CELL_SIZE for diagonal coverage)
				// Collect enemies in range and sort by distance
				var enemiesInRange = [];
				for (var i = 0; i < enemies.length; i++) {
					var otherEnemy = enemies[i];
					var poisonDx = otherEnemy.x - self.targetEnemy.x;
					var poisonDy = otherEnemy.y - self.targetEnemy.y;
					var poisonDistance = Math.sqrt(poisonDx * poisonDx + poisonDy * poisonDy);
					if (poisonDistance <= poisonRadius && !otherEnemy.isImmune) {
						enemiesInRange.push({
							enemy: otherEnemy,
							distance: poisonDistance
						});
					}
				}
				// Sort by distance (closest first) and limit based on tower level
				enemiesInRange.sort(function (a, b) {
					return a.distance - b.distance;
				});
				// Base limit is 5, +1 per level (sourceTowerLevel from tower)
				var maxEnemies = 5;
				if (self.sourceTowerLevel !== undefined) {
					maxEnemies = 5 + (self.sourceTowerLevel - 1);
				}
				var enemiesToAffect = Math.min(maxEnemies, enemiesInRange.length);
				// Apply poison effect to the closest enemies within limit
				for (var i = 0; i < enemiesToAffect; i++) {
					var otherEnemy = enemiesInRange[i].enemy;
					// Apply poison effect
					otherEnemy.poisoned = true;
					otherEnemy.poisonDamage = self.damage * 0.2; // 20% of original damage per tick
					otherEnemy.poisonDuration = 300; // 5 seconds at 60 FPS
					// Apply permanent slow effect from poison
					if (!otherEnemy.poisonSlowed) {
						if (!otherEnemy.originalSpeed) {
							otherEnemy.originalSpeed = otherEnemy.speed;
						}
						otherEnemy.speed *= 0.5; // Permanently slow by 50%
						otherEnemy.poisonSlowed = true;
					}
				}
			} 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);
	// List of cell numbers to exclude from having 'cell' asset (except those with '-b' suffix)
	var excludedCells = [1, 2, 41, 42, 63, 64, 85, 86, 107, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 165, 166, 187, 188, 209, 210, 231, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 51, 52, 73, 74, 95, 96, 117, 118, 139, 140, 161, 162, 183, 184, 205, 206, 227, 228, 249, 250, 45, 46, 47, 48, 49, 50, 67, 68, 69, 70, 71, 72, 89, 90, 111, 112, 133, 134, 155, 156, 177, 178, 199, 200, 221, 222, 243, 244, 309, 310, 331, 332, 353, 354, 375, 376, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 429, 430, 451, 452, 473, 474, 495, 496, 517, 518, 539, 540, 519, 520, 521, 522, 523, 524, 525, 526, 541, 542, 543, 544, 545, 546, 547, 548, 569, 570, 591, 592, 605, 606];
	var cellGraphics = null;
	// We'll determine whether to show the cell asset later in the render method based on the cell's sequential number and suffix
	var debugArrows = [];
	var numberLabel = new Text2('0', {
		size: 30,
		fill: 0x000000,
		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) {
		// Check if we need to show cell asset for this cell
		var shouldShowCell = true;
		if (data.sequentialNumber) {
			var hasBSuffix = false;
			// Check if this cell would have '-b' suffix
			if (data.type === 0 || data.type === 2) {
				// path cells
				var isBorderCell = data.x === 0 || data.x === 23 || data.y === 4;
				hasBSuffix = isBorderCell && data.sequentialNumber;
			} else if (data.type === 1) {
				// wall cells (all have '-b')
				hasBSuffix = data.sequentialNumber;
			} else if (data.type === 3) {
				// goal cells
				var isBorderCell = data.x === 0 || data.x === 23 || data.y === 4;
				hasBSuffix = isBorderCell && data.sequentialNumber;
			}
			// Only hide cell asset if the sequential number is in excluded list AND it doesn't have '-b' suffix
			if (excludedCells.indexOf(data.sequentialNumber) !== -1 && !hasBSuffix) {
				shouldShowCell = false;
			}
		}
		// Create or remove cell graphics based on shouldShowCell
		if (shouldShowCell && !cellGraphics) {
			cellGraphics = self.attachAsset('cell', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			cellGraphics.tint = Math.random() * 0xffffff;
			// Make 10% of cells darker randomly
			if (Math.random() < 0.1) {
				// Apply darker tint by reducing brightness
				var darkerTint = cellGraphics.tint;
				var r = darkerTint >> 16 & 0xFF;
				var g = darkerTint >> 8 & 0xFF;
				var b = darkerTint & 0xFF;
				// Reduce brightness by 40%
				r = Math.floor(r * 0.6);
				g = Math.floor(g * 0.6);
				b = Math.floor(b * 0.6);
				cellGraphics.tint = r << 16 | g << 8 | b;
			}
		} else if (!shouldShowCell && cellGraphics) {
			self.removeChild(cellGraphics);
			cellGraphics = null;
		}
		switch (data.type) {
			case 0:
			case 2:
				{
					if (data.pathId != pathId) {
						self.removeArrows();
						numberLabel.setText("-");
						if (cellGraphics) cellGraphics.tint = 0x880000;
						return;
					}
					// Simple sequential numbering for path cells
					if (!data.sequentialNumber) {
						// Assign sequential numbers to path cells only
						var pathCellCount = 0;
						for (var row = 0; row < grid.cells[0].length; row++) {
							for (var col = 0; col < grid.cells.length; col++) {
								var cell = grid.cells[col][row];
								if (cell && (cell.type === 0 || cell.type === 2) && cell.pathId === pathId) {
									pathCellCount++;
									cell.sequentialNumber = pathCellCount;
								}
							}
						}
					}
					// Check if this cell is on the border
					var isBorderCell = data.x === 0 || data.x === 23 || data.y === 4;
					var displayText = data.sequentialNumber ? data.sequentialNumber.toString() : "-";
					if (isBorderCell && displayText !== "-") {
						// Special case: rename cell 27-b to 1
						if (displayText === "27") {
							displayText = "1";
						} else if (displayText === "28") {
							displayText = "2";
						} else if (displayText === "25") {
							displayText = "3";
						} else if (displayText === "26") {
							displayText = "4";
						} else if (displayText === "29") {
							displayText = "5";
						} else if (displayText === "30") {
							displayText = "6";
						} else {
							displayText += "-b";
						}
					} else if (displayText === "27") {
						// Handle case where cell 27 is not on border but we still want to rename it
						displayText = "1";
					} else if (displayText === "28") {
						displayText = "2";
					} else if (displayText === "25") {
						displayText = "3";
					} else if (displayText === "26") {
						displayText = "4";
					} else if (displayText === "29") {
						displayText = "5";
					} else if (displayText === "30") {
						displayText = "6";
					}
					numberLabel.setText(displayText);
					numberLabel.visible = true;
					// Removed tower in range highlighting to prevent map darkening
					if (cellGraphics) cellGraphics.tint = 0xFFFFFF;
					while (debugArrows.length > data.targets.length) {
						self.removeChild(debugArrows.pop());
					}
					for (var a = 0; a < data.targets.length; a++) {
						var destination = data.targets[a];
						var ox = destination.x - data.x;
						var oy = destination.y - data.y;
						var angle = Math.atan2(oy, ox);
						if (!debugArrows[a]) {
							debugArrows[a] = LK.getAsset('arrow', {
								anchorX: -.5,
								anchorY: 0.5
							});
							debugArrows[a].alpha = .5;
							debugArrows[a].visible = false; // Hide the arrows
							self.addChildAt(debugArrows[a], 1);
						}
						debugArrows[a].rotation = angle;
						debugArrows[a].visible = false; // Hide the arrows
					}
					break;
				}
			case 1:
				{
					self.removeArrows();
					if (cellGraphics) cellGraphics.tint = 0xaaaaaa;
					// Simple sequential numbering for wall cells
					if (!data.sequentialNumber) {
						var wallCellCount = 0;
						for (var row = 0; row < grid.cells[0].length; row++) {
							for (var col = 0; col < grid.cells.length; col++) {
								var cell = grid.cells[col][row];
								if (cell && cell.type === 1) {
									wallCellCount++;
									cell.sequentialNumber = wallCellCount;
								}
							}
						}
					}
					var displayText = data.sequentialNumber ? data.sequentialNumber.toString() : "-";
					// Add '-b' to all grey cells (wall cells)
					if (displayText !== "-") {
						// Special case: rename cell 27-b to 1
						if (displayText === "27") {
							displayText = "1";
						} else if (displayText === "28") {
							displayText = "2";
						} else if (displayText === "25") {
							displayText = "3";
						} else if (displayText === "26") {
							displayText = "4";
						} else if (displayText === "29") {
							displayText = "5";
						} else if (displayText === "30") {
							displayText = "6";
						} else {
							displayText += "-b";
						}
					}
					numberLabel.setText(displayText);
					numberLabel.visible = true;
					break;
				}
			case 3:
				{
					self.removeArrows();
					if (cellGraphics) cellGraphics.tint = 0x008800;
					// Simple sequential numbering for goal cells
					if (!data.sequentialNumber) {
						var goalCellCount = 0;
						for (var row = 0; row < grid.cells[0].length; row++) {
							for (var col = 0; col < grid.cells.length; col++) {
								var cell = grid.cells[col][row];
								if (cell && cell.type === 3) {
									goalCellCount++;
									cell.sequentialNumber = goalCellCount;
								}
							}
						}
					}
					// Check if this goal cell is on the border
					var isBorderCell = data.x === 0 || data.x === 23 || data.y === 4;
					var displayText = data.sequentialNumber ? data.sequentialNumber.toString() : "-";
					if (isBorderCell && displayText !== "-") {
						// Special case: rename cell 27-b to 1
						if (displayText === "27") {
							displayText = "1";
						} else if (displayText === "28") {
							displayText = "2";
						} else if (displayText === "25") {
							displayText = "3";
						} else if (displayText === "26") {
							displayText = "4";
						} else if (displayText === "29") {
							displayText = "5";
						} else if (displayText === "30") {
							displayText = "6";
						} else {
							displayText += "-b";
						}
					} else if (displayText === "27") {
						// Handle case where cell 27 is not on border but we still want to rename it
						displayText = "1";
					} else if (displayText === "28") {
						displayText = "2";
					} else if (displayText === "25") {
						displayText = "3";
					} else if (displayText === "26") {
						displayText = "4";
					} else if (displayText === "29") {
						displayText = "5";
					} else if (displayText === "30") {
						displayText = "6";
					}
					numberLabel.setText(displayText);
					numberLabel.visible = true;
					break;
				}
		}
		// Add arena to specified cells (excluding those with '-b' suffix)
		var arenaNumbers = [27, 165, 209, 89, 133, 177, 221, 309, 353, 429, 473, 569, 41, 85];
		// Add arena2 to specified cells (excluding those with '-b' suffix)
		var arena2Numbers = [187, 231, 451, 495, 591, 111, 155, 199, 243, 331, 375, 63, 107];
		var displayText = data.sequentialNumber ? data.sequentialNumber.toString() : "-";
		var hasBSuffix = false;
		// Check if this cell would have '-b' suffix
		if (data.type === 0 || data.type === 2) {
			// path cells
			var isBorderCell = data.x === 0 || data.x === 23 || data.y === 4;
			hasBSuffix = isBorderCell && displayText !== "-";
		} else if (data.type === 1) {
			// wall cells (all have '-b')
			hasBSuffix = displayText !== "-";
		} else if (data.type === 3) {
			// goal cells
			var isBorderCell = data.x === 0 || data.x === 23 || data.y === 4;
			hasBSuffix = isBorderCell && displayText !== "-";
		}
		if (data.sequentialNumber && arenaNumbers.indexOf(data.sequentialNumber) !== -1 && !hasBSuffix) {
			var arenaGraphics = self.attachAsset('arena', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arenaGraphics.alpha = 1.0;
		}
		if (data.sequentialNumber && arena2Numbers.indexOf(data.sequentialNumber) !== -1 && !hasBSuffix) {
			var arena2Graphics = self.attachAsset('arena2', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arena2Graphics.alpha = 1.0;
		}
		// Add arena2 to cell 1 (formerly 27-b) (only cells with -b suffix)
		if (data.sequentialNumber === 27 && hasBSuffix) {
			var arena2Graphics = self.attachAsset('arena2', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arena2Graphics.alpha = 1.0;
		}
		// Add arena4 to cell 28-b (only cells with -b suffix)
		if (data.sequentialNumber === 28 && hasBSuffix) {
			var arena4Graphics = self.attachAsset('arena4', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arena4Graphics.alpha = 1.0;
		}
		// Add arena3 to specified cells (excluding those with '-b' suffix)
		var arena3Numbers = [130, 128, 126, 124, 122, 254, 256, 258, 260, 262, 264, 266, 268, 270, 272, 228, 184, 140, 96, 52, 50, 48, 46, 398, 396, 394, 392, 390, 388, 386, 518, 520, 522, 524, 526, 606, 42, 86, 166, 210, 90, 134, 178, 222, 254, 430, 474, 570, 310, 354];
		if (data.sequentialNumber && arena3Numbers.indexOf(data.sequentialNumber) !== -1 && !hasBSuffix) {
			var arena3Graphics = self.attachAsset('arena3', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arena3Graphics.alpha = 1.0;
		}
		// Add arena4 to specified cells (excluding those with '-b' suffix)
		var arena4Numbers = [64, 408, 232, 188, 112, 156, 200, 244, 376, 452, 592, 152, 150, 148, 146, 144, 276, 278, 280, 282, 284, 286, 288, 290, 292, 294, 250, 206, 162, 118, 74, 72, 70, 68, 420, 418, 416, 414, 412, 410, 540, 542, 544, 546, 548, 108, 496, 332];
		if (data.sequentialNumber && arena4Numbers.indexOf(data.sequentialNumber) !== -1 && !hasBSuffix) {
			var arena4Graphics = self.attachAsset('arena4', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arena4Graphics.alpha = 1.0;
		}
		// Add arena to specified cells (excluding those with '-b' suffix)
		var arenaNumbers = [121, 123, 125, 127, 129, 253, 255, 257, 259, 261, 263, 267, 269, 271, 265, 45, 47, 49, 51, 95, 139, 183, 227, 387, 385, 389, 391, 393, 395, 397, 517, 519, 521, 523, 525, 695, 605];
		if (data.sequentialNumber && arenaNumbers.indexOf(data.sequentialNumber) !== -1 && !hasBSuffix) {
			var arenaGraphics = self.attachAsset('arena', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arenaGraphics.alpha = 1.0;
		}
		// Add arena2 to specified cells (excluding those with '-b' suffix)
		var arena2Numbers = [151, 149, 147, 145, 143, 275, 277, 279, 281, 283, 285, 287, 289, 291, 293, 249, 205, 161, 117, 73, 71, 69, 67, 419, 417, 415, 413, 411, 409, 407, 539, 541, 543, 545, 547];
		if (data.sequentialNumber && arena2Numbers.indexOf(data.sequentialNumber) !== -1 && !hasBSuffix) {
			var arena2Graphics = self.attachAsset('arena2', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			arena2Graphics.alpha = 1.0;
		}
		// Sequential numbering is now handled above for each cell type
	};
});
// 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 = 2;
	switch (type) {
		case 'splash':
			effectGraphics.tint = 0x33CC00;
			effectGraphics.width = effectGraphics.height = CELL_SIZE * 3;
			break;
		case 'slow':
			effectGraphics.tint = 0x9900FF;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
		case 'poison':
			effectGraphics.tint = 0x00FFAA;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
		case 'sniper':
			effectGraphics.tint = 0xFF5500;
			effectGraphics.width = effectGraphics.height = CELL_SIZE;
			break;
	}
	effectGraphics.alpha = 0.7;
	self.alpha = 0;
	// 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;
			self.poisonSlowed = 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;
					// Note: poisonSlowed remains true permanently, speed is not reset
					// Only reset tint if not slowed and not permanently poison slowed
					if (!self.slowed && !self.poisonSlowed) {
						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 blue (0x0066FF) and slow (0x9900FF) colors
			enemyGraphics.tint = 0x0033DD;
		} else if (self.poisoned) {
			// Blue tint for poisoned enemies
			enemyGraphics.tint = 0x0066FF;
		} 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 FlowerBullet = Container.expand(function (startX, startY, direction, damage, speed) {
	var self = Container.call(this);
	self.direction = direction;
	self.damage = damage || 10;
	self.speed = speed || 5;
	self.x = startX;
	self.y = startY;
	self.startX = startX; // Store starting position
	self.startY = startY; // Store starting position
	self.sourceRange = null; // Will be set by the tower
	var bulletGraphics = self.attachAsset('proyectilflor', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Move in the specified direction
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
		// Check if bullet has traveled beyond source tower's range
		if (self.sourceRange) {
			var dx = self.x - self.startX;
			var dy = self.y - self.startY;
			var distanceFromOrigin = Math.sqrt(dx * dx + dy * dy);
			if (distanceFromOrigin > self.sourceRange) {
				self.destroy();
				return;
			}
		}
		// Remove bullet if it goes off screen
		if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) {
			self.destroy();
		}
	};
	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: [],
				enemyEntered: [],
				enemyLeft: []
			};
		}
	}
	/*
				Cell Types
				0: Transparent floor
				1: Wall
				2: Spawn
				3: Goal
	*/
	for (var i = 0; i < gridWidth; i++) {
		for (var j = 0; j < gridHeight; j++) {
			var cell = self.cells[i][j];
			var cellType = i === 0 || i === gridWidth - 1 || j <= 4 || j >= gridHeight - 4 ? 1 : 0;
			if (i > 11 - 3 && i <= 11 + 3) {
				if (j === 0) {
					cellType = 2;
					self.spawns.push(cell);
				} else if (j <= 4) {
					cellType = 0;
				} else if (j === gridHeight - 1) {
					cellType = 3;
					self.goals.push(cell);
				} else if (j >= gridHeight - 4) {
					cellType = 0;
				}
			}
			cell.type = cellType;
			cell.x = i;
			cell.y = j;
			cell.upLeft = self.cells[i - 1] && self.cells[i - 1][j - 1];
			cell.up = self.cells[i - 1] && self.cells[i - 1][j];
			cell.upRight = self.cells[i - 1] && self.cells[i - 1][j + 1];
			cell.left = self.cells[i][j - 1];
			cell.right = self.cells[i][j + 1];
			cell.downLeft = self.cells[i + 1] && self.cells[i + 1][j - 1];
			cell.down = self.cells[i + 1] && self.cells[i + 1][j];
			cell.downRight = self.cells[i + 1] && self.cells[i + 1][j + 1];
			cell.neighbors = [cell.upLeft, cell.up, cell.upRight, cell.right, cell.downRight, cell.down, cell.downLeft, cell.left];
			cell.targets = [];
			if (j > 3 && j <= gridHeight - 4) {
				var debugCell = new DebugCell();
				self.addChild(debugCell);
				debugCell.cell = cell;
				debugCell.x = i * CELL_SIZE;
				debugCell.y = j * CELL_SIZE;
				cell.debugCell = debugCell;
			}
		}
	}
	self.getCell = function (x, y) {
		return self.cells[x] && self.cells[x][y];
	};
	self.pathFind = function () {
		var before = new Date().getTime();
		var toProcess = self.goals.concat([]);
		maxScore = 0;
		pathId += 1;
		for (var a = 0; a < toProcess.length; a++) {
			toProcess[a].pathId = pathId;
		}
		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) {
		// Skip processing for enemies that are too far off-screen to matter
		if (enemy.currentCellY < -10 || enemy.currentCellY < 2 && !enemy.isBoss) {
			// Just move enemy down if it's pre-entry
			if (enemy.currentCellY < 4) {
				enemy.currentCellY += enemy.speed;
				enemy.x = grid.x + enemy.currentCellX * CELL_SIZE;
				enemy.y = grid.y + enemy.currentCellY * CELL_SIZE;
			}
			return false;
		}
		var cell = grid.getCell(enemy.cellX, enemy.cellY);
		if (cell && cell.type == 3) {
			return true;
		}
		if (enemy.isFlying && enemy.shadow) {
			enemy.shadow.x = enemy.x + 20; // Match enemy x-position + offset
			enemy.shadow.y = enemy.y + 20; // Match enemy y-position + offset
			// Match shadow rotation with enemy rotation
			if (enemy.children[0] && enemy.shadow.children[0]) {
				enemy.shadow.children[0].rotation = enemy.children[0].rotation;
			}
		}
		// Check if enemy touches damage cells (603, 604, 605, 606, 607, 608)
		var damageCells = [603, 604, 605, 606, 607, 608];
		var currentCell = grid.getCell(enemy.cellX, enemy.cellY);
		if (currentCell && currentCell.sequentialNumber && damageCells.indexOf(currentCell.sequentialNumber) !== -1) {
			// Apply damage based on enemy type
			var damage = enemy.isBoss ? 5 : 1;
			lives = Math.max(0, lives - damage);
			updateUI();
			// Show damage notification
			var damageText = enemy.isBoss ? "Boss hit! -" + damage + " lives!" : "Enemy hit! -" + damage + " life!";
			var notification = game.addChild(new Notification(damageText));
			notification.x = 2048 / 2;
			notification.y = grid.height - 100;
			// Remove enemy immediately
			// 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);
			}
			// Remove from enemies array
			var enemyIndex = enemies.indexOf(enemy);
			if (enemyIndex !== -1) {
				enemies.splice(enemyIndex, 1);
			}
			// Check for game over
			if (lives <= 0) {
				LK.showGameOver();
			}
			return true; // Enemy was removed
		}
		// 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 distSquared = ox * ox + oy * oy;
			if (distSquared < enemy.speed * 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;
		}
		// Check if enemy reached cell '1' and should follow ruta1
		if (cell.sequentialNumber === 27 && enemiesOnRuta1.indexOf(enemy) === -1) {
			// Cell '1' was originally cell 27
			// Add enemy to ruta1 routing
			enemiesOnRuta1.push(enemy);
			enemy.ruta1Index = 0; // Start at first cell in ruta1
			enemy.followingRuta1 = true;
		}
		// Check if enemy reached cell '2' and should follow ruta2
		if (cell.sequentialNumber === 28 && enemiesOnRuta2.indexOf(enemy) === -1) {
			// Cell '2' was originally cell 28
			// Add enemy to ruta2 routing
			enemiesOnRuta2.push(enemy);
			enemy.ruta2Index = 0; // Start at first cell in ruta2
			enemy.followingRuta2 = true;
		}
		// Check if enemy reached cell '3' and should follow ruta3
		if (cell.sequentialNumber === 25 && enemiesOnRuta3.indexOf(enemy) === -1) {
			// Cell '3' was originally cell 25
			// Add enemy to ruta3 routing
			enemiesOnRuta3.push(enemy);
			enemy.ruta3Index = 0; // Start at first cell in ruta3
			enemy.followingRuta3 = true;
		}
		// Check if enemy reached cell '4' and should follow ruta4
		if (cell.sequentialNumber === 26 && enemiesOnRuta4.indexOf(enemy) === -1) {
			// Cell '4' was originally cell 26
			// Add enemy to ruta4 routing
			enemiesOnRuta4.push(enemy);
			enemy.ruta4Index = 0; // Start at first cell in ruta4
			enemy.followingRuta4 = true;
		}
		// Check if enemy reached cell '5' and should follow ruta5
		if (cell.sequentialNumber === 29 && enemiesOnRuta5.indexOf(enemy) === -1) {
			// Cell '5' was originally cell 29
			// Add enemy to ruta5 routing
			enemiesOnRuta5.push(enemy);
			enemy.ruta5Index = 0; // Start at first cell in ruta5
			enemy.followingRuta5 = true;
		}
		// Check if enemy reached cell '6' and should follow ruta6
		if (cell.sequentialNumber === 30 && enemiesOnRuta6.indexOf(enemy) === -1) {
			// Cell '6' was originally cell 30
			// Add enemy to ruta6 routing
			enemiesOnRuta6.push(enemy);
			enemy.ruta6Index = 0; // Start at first cell in ruta6
			enemy.followingRuta6 = true;
		}
		// Handle ruta1 routing
		if (enemy.followingRuta1 && enemiesOnRuta1.indexOf(enemy) !== -1) {
			if (enemy.ruta1Index < ruta1.length) {
				// Use cached cell reference instead of expensive search
				var targetCell = routeCellCache.ruta1[enemy.ruta1Index];
				if (targetCell) {
					enemy.currentTarget = targetCell;
					// Check if enemy reached this ruta1 target
					if (enemy.cellX === targetCell.x && enemy.cellY === targetCell.y) {
						enemy.ruta1Index++; // Move to next cell in ruta1
						if (enemy.ruta1Index >= ruta1.length) {
							// Completed ruta1, remove from tracking and resume normal pathfinding
							var enemyIndex = enemiesOnRuta1.indexOf(enemy);
							if (enemyIndex !== -1) {
								enemiesOnRuta1.splice(enemyIndex, 1);
							}
							enemy.followingRuta1 = false;
							enemy.ruta1Index = undefined;
							enemy.currentTarget = undefined; // Let normal pathfinding take over
						}
					}
				}
			}
		} else if (enemy.followingRuta2 && enemiesOnRuta2.indexOf(enemy) !== -1) {
			// Handle ruta2 routing
			if (enemy.ruta2Index < ruta2.length) {
				// Use cached cell reference
				var targetCell = routeCellCache.ruta2[enemy.ruta2Index];
				if (targetCell) {
					enemy.currentTarget = targetCell;
					// Check if enemy reached this ruta2 target
					if (enemy.cellX === targetCell.x && enemy.cellY === targetCell.y) {
						enemy.ruta2Index++; // Move to next cell in ruta2
						if (enemy.ruta2Index >= ruta2.length) {
							// Completed ruta2, remove from tracking and resume normal pathfinding
							var enemyIndex = enemiesOnRuta2.indexOf(enemy);
							if (enemyIndex !== -1) {
								enemiesOnRuta2.splice(enemyIndex, 1);
							}
							enemy.followingRuta2 = false;
							enemy.ruta2Index = undefined;
							enemy.currentTarget = undefined; // Let normal pathfinding take over
						}
					}
				}
			}
		} else if (enemy.followingRuta3 && enemiesOnRuta3.indexOf(enemy) !== -1) {
			// Handle ruta3 routing
			if (enemy.ruta3Index < ruta3.length) {
				// Use cached cell reference
				var targetCell = routeCellCache.ruta3[enemy.ruta3Index];
				if (targetCell) {
					enemy.currentTarget = targetCell;
					// Check if enemy reached this ruta3 target
					if (enemy.cellX === targetCell.x && enemy.cellY === targetCell.y) {
						enemy.ruta3Index++; // Move to next cell in ruta3
						if (enemy.ruta3Index >= ruta3.length) {
							// Completed ruta3, remove from tracking and resume normal pathfinding
							var enemyIndex = enemiesOnRuta3.indexOf(enemy);
							if (enemyIndex !== -1) {
								enemiesOnRuta3.splice(enemyIndex, 1);
							}
							enemy.followingRuta3 = false;
							enemy.ruta3Index = undefined;
							enemy.currentTarget = undefined; // Let normal pathfinding take over
						}
					}
				}
			}
		} else if (enemy.followingRuta4 && enemiesOnRuta4.indexOf(enemy) !== -1) {
			// Handle ruta4 routing
			if (enemy.ruta4Index < ruta4.length) {
				// Use cached cell reference
				var targetCell = routeCellCache.ruta4[enemy.ruta4Index];
				if (targetCell) {
					enemy.currentTarget = targetCell;
					// Check if enemy reached this ruta4 target
					if (enemy.cellX === targetCell.x && enemy.cellY === targetCell.y) {
						enemy.ruta4Index++; // Move to next cell in ruta4
						if (enemy.ruta4Index >= ruta4.length) {
							// Completed ruta4, remove from tracking and resume normal pathfinding
							var enemyIndex = enemiesOnRuta4.indexOf(enemy);
							if (enemyIndex !== -1) {
								enemiesOnRuta4.splice(enemyIndex, 1);
							}
							enemy.followingRuta4 = false;
							enemy.ruta4Index = undefined;
							enemy.currentTarget = undefined; // Let normal pathfinding take over
						}
					}
				}
			}
		} else if (enemy.followingRuta5 && enemiesOnRuta5.indexOf(enemy) !== -1) {
			// Handle ruta5 routing
			if (enemy.ruta5Index < ruta5.length) {
				// Use cached cell reference
				var targetCell = routeCellCache.ruta5[enemy.ruta5Index];
				if (targetCell) {
					enemy.currentTarget = targetCell;
					// Check if enemy reached this ruta5 target
					if (enemy.cellX === targetCell.x && enemy.cellY === targetCell.y) {
						enemy.ruta5Index++; // Move to next cell in ruta5
						if (enemy.ruta5Index >= ruta5.length) {
							// Completed ruta5, remove from tracking and resume normal pathfinding
							var enemyIndex = enemiesOnRuta5.indexOf(enemy);
							if (enemyIndex !== -1) {
								enemiesOnRuta5.splice(enemyIndex, 1);
							}
							enemy.followingRuta5 = false;
							enemy.ruta5Index = undefined;
							enemy.currentTarget = undefined; // Let normal pathfinding take over
						}
					}
				}
			}
		} else if (enemy.followingRuta6 && enemiesOnRuta6.indexOf(enemy) !== -1) {
			// Handle ruta6 routing
			if (enemy.ruta6Index < ruta6.length) {
				// Use cached cell reference
				var targetCell = routeCellCache.ruta6[enemy.ruta6Index];
				if (targetCell) {
					enemy.currentTarget = targetCell;
					// Check if enemy reached this ruta6 target
					if (enemy.cellX === targetCell.x && enemy.cellY === targetCell.y) {
						enemy.ruta6Index++; // Move to next cell in ruta6
						if (enemy.ruta6Index >= ruta6.length) {
							// Completed ruta6, remove from tracking and resume normal pathfinding
							var enemyIndex = enemiesOnRuta6.indexOf(enemy);
							if (enemyIndex !== -1) {
								enemiesOnRuta6.splice(enemyIndex, 1);
							}
							enemy.followingRuta6 = false;
							enemy.ruta6Index = undefined;
							enemy.currentTarget = undefined; // Let normal pathfinding take over
						}
					}
				}
			}
		} else {
			// Handle normal pathfinding enemies
			if (!enemy.currentTarget) {
				enemy.currentTarget = cell.targets[0];
			}
		}
		if (enemy.currentTarget) {
			if (!enemy.followingRuta1 && !enemy.followingRuta2 && !enemy.followingRuta3 && !enemy.followingRuta4 && !enemy.followingRuta5 && !enemy.followingRuta6 && cell.score < enemy.currentTarget.score) {
				enemy.currentTarget = cell;
			}
			var ox = enemy.currentTarget.x - enemy.currentCellX;
			var oy = enemy.currentTarget.y - enemy.currentCellY;
			var distSquared = ox * ox + oy * oy;
			if (distSquared < enemy.speed * 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;
		}
		// Track enemy movement for event-driven tower targeting
		var newCellX = Math.round(enemy.currentCellX);
		var newCellY = Math.round(enemy.currentCellY);
		var hasMovedToNewCell = enemy.lastTrackedCellX !== newCellX || enemy.lastTrackedCellY !== newCellY;
		if (hasMovedToNewCell) {
			// Enemy left previous cell - notify towers
			if (enemy.lastTrackedCellX !== undefined && enemy.lastTrackedCellY !== undefined) {
				var oldCell = self.getCell(enemy.lastTrackedCellX, enemy.lastTrackedCellY);
				if (oldCell && oldCell.enemyLeft) {
					oldCell.enemyLeft.push(enemy);
				}
			}
			// Enemy entered new cell - notify towers
			var newCell = self.getCell(newCellX, newCellY);
			if (newCell) {
				if (!newCell.enemyEntered) newCell.enemyEntered = [];
				newCell.enemyEntered.push(enemy);
			}
			// Update tracking
			enemy.lastTrackedCellX = newCellX;
			enemy.lastTrackedCellY = newCellY;
		}
		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 SourceTower = Container.expand(function (towerType) {
	var self = Container.call(this);
	self.towerType = towerType || 'default';
	// Increase size of base for easier touch
	// Use different tower assets for different tower types
	var towerAssetName = 'tower'; // default tower asset
	switch (self.towerType) {
		case 'rapid':
			towerAssetName = 'tower_rapid';
			break;
		case 'sniper':
			towerAssetName = 'tower_sniper';
			break;
		case 'splash':
			towerAssetName = 'tower_splash';
			break;
		case 'slow':
			towerAssetName = 'tower_slow';
			break;
		case 'poison':
			towerAssetName = 'tower_poison';
			break;
		default:
			towerAssetName = 'tower_default';
	}
	var baseGraphics = self.attachAsset(towerAssetName, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.3,
		scaleY: 1.3
	});
	// Remove tints to show natural asset colors - tints only used during tower preview dragging
	var towerCost = getTowerCost(self.towerType);
	// Add shadow for tower type label
	var typeLabelShadow = new Text2(self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1), {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	typeLabelShadow.anchor.set(0.5, 0.5);
	typeLabelShadow.x = 4;
	typeLabelShadow.y = -60 + 4;
	self.addChild(typeLabelShadow);
	// Add tower type label
	var typeLabel = new Text2(self.towerType.charAt(0).toUpperCase() + self.towerType.slice(1), {
		size: 50,
		fill: 0xFFFFFF,
		weight: 800
	});
	typeLabel.anchor.set(0.5, 0.5);
	typeLabel.y = -60; // Position higher above center of tower
	self.addChild(typeLabel);
	// Add cost shadow
	var costLabelShadow = new Text2(towerCost, {
		size: 50,
		fill: 0x000000,
		weight: 800
	});
	costLabelShadow.anchor.set(0.5, 0.5);
	costLabelShadow.x = 4;
	costLabelShadow.y = 24 + 12;
	self.addChild(costLabelShadow);
	// Add cost label
	var costLabel = new Text2(towerCost, {
		size: 50,
		fill: 0xFFD700,
		weight: 800
	});
	costLabel.anchor.set(0.5, 0.5);
	costLabel.y = 20 + 12;
	self.addChild(costLabel);
	self.update = function () {
		// Check if player can afford this tower
		var canAfford = gold >= getTowerCost(self.towerType);
		// Set opacity based on affordability
		self.alpha = canAfford ? 1 : 0.5;
	};
	return self;
});
var Tower = Container.expand(function (id) {
	var self = Container.call(this);
	self.id = id || 'default';
	self.level = 1;
	self.maxLevel = 6;
	self.gridX = 0;
	self.gridY = 0;
	self.range = 3 * CELL_SIZE;
	self.canFire = true; // Allow firing by default
	self.lastFired = 0; // Initialize lastFired to 0
	// Standardized method to get the current range of the tower
	// Grid-based coverage areas for each tower type and level - optimized for performance
	self.getCoveredCells = function () {
		var cells = [];
		var centerX = self.gridX + 1; // Tower occupies 2x2, so center is at +1
		var centerY = self.gridY + 1;
		// Define coverage patterns for each tower type and level
		var coverage;
		switch (self.id) {
			case 'sniper':
				// Sniper coverage increases significantly with levels
				if (self.level === 1) coverage = 5;else if (self.level === 2) coverage = 5.8;else if (self.level === 3) coverage = 6.6;else if (self.level === 4) coverage = 7.4;else if (self.level === 5) coverage = 8.2;else coverage = 7; // Level 6 special case
				break;
			case 'splash':
				// Splash coverage
				coverage = 4 + (self.level - 1) * 0.4;
				break;
			case 'rapid':
				// Rapid coverage
				coverage = 2.5 + (self.level - 1) * 0.5;
				break;
			case 'slow':
				// Slow has massive range
				coverage = 100 + (self.level - 1) * 0.5;
				break;
			case 'poison':
				// Poison coverage
				coverage = 3.2 + (self.level - 1) * 0.5;
				break;
			default:
				// Default coverage
				coverage = 3 + (self.level - 1) * 0.5;
				break;
		}
		// Calculate which cells are covered using grid-based approach
		var minX = Math.floor(centerX - coverage - 0.5);
		var maxX = Math.ceil(centerX + coverage + 0.5);
		var minY = Math.floor(centerY - coverage - 0.5);
		var maxY = Math.ceil(centerY + coverage + 0.5);
		for (var x = minX; x <= maxX; x++) {
			for (var y = minY; y <= maxY; y++) {
				// Check if this cell is within the circular coverage area
				var dx = x - centerX;
				var dy = y - centerY;
				var distanceSquared = dx * dx + dy * dy;
				if (distanceSquared <= coverage * coverage) {
					var cell = grid.getCell(x, y);
					if (cell) {
						cells.push({
							cell: cell,
							x: x,
							y: y
						});
					}
				}
			}
		}
		return cells;
	};
	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 7 * CELL_SIZE; // Level 6 range is 7 blocks
				}
				return (5 + (self.level - 1) * 0.8) * CELL_SIZE;
			case 'splash':
				// Splash: base 4, +0.4 per level (max ~8 blocks at max level) - doubled from original
				return (4 + (self.level - 1) * 0.4) * 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 100, +0.5 per level
				return (100 + (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 = self.id === 'default' ? 240 : 120; // Default tower fires twice as slow
	self.bulletSpeed = 5;
	self.damage = 10;
	self.lastFired = 0;
	self.lastUpgradeTime = 0;
	self.targetEnemy = null;
	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 = 20;
			self.range = 5 * CELL_SIZE;
			self.bulletSpeed = 25;
			break;
		case 'splash':
			self.fireRate = 75;
			self.damage = 15;
			self.range = 4 * CELL_SIZE;
			self.bulletSpeed = 4;
			break;
		case 'slow':
			self.fireRate = 200;
			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;
	}
	// Removed baseGraphics creation - towers now only show the tower asset without plant base
	var gunContainer = new Container();
	self.addChild(gunContainer);
	var levelIndicators = [];
	var maxDots = self.maxLevel;
	var dotSpacing = CELL_SIZE * 2 / (maxDots + 1);
	var dotSize = CELL_SIZE / 6;
	for (var i = 0; i < maxDots; i++) {
		var dot = new Container();
		var outlineCircle = dot.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		outlineCircle.width = dotSize + 4;
		outlineCircle.height = dotSize + 4;
		outlineCircle.tint = 0x000000;
		var towerLevelIndicator = dot.attachAsset('towerLevelIndicator', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		towerLevelIndicator.width = dotSize;
		towerLevelIndicator.height = dotSize;
		towerLevelIndicator.tint = 0xCCCCCC;
		dot.x = -CELL_SIZE + dotSpacing * (i + 1);
		dot.y = CELL_SIZE * 0.7;
		self.addChild(dot);
		levelIndicators.push(dot);
	}
	// Use different tower assets for different tower types
	var towerAssetName = 'tower'; // default tower asset
	switch (self.id) {
		case 'rapid':
			towerAssetName = 'tower_rapid';
			break;
		case 'sniper':
			towerAssetName = 'tower_sniper';
			break;
		case 'splash':
			towerAssetName = 'tower_splash';
			break;
		case 'slow':
			towerAssetName = 'tower_slow';
			break;
		case 'poison':
			towerAssetName = 'tower_poison';
			break;
		default:
			towerAssetName = 'tower_default';
	}
	var gunGraphics = gunContainer.attachAsset(towerAssetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.updateLevelIndicators = function () {
		for (var i = 0; i < maxDots; i++) {
			var dot = levelIndicators[i];
			var towerLevelIndicator = dot.children[1];
			if (i < self.level) {
				towerLevelIndicator.tint = 0xFFFFFF;
			} else {
				switch (self.id) {
					case 'rapid':
						towerLevelIndicator.tint = 0x00AAFF;
						break;
					case 'sniper':
						towerLevelIndicator.tint = 0xFF5500;
						break;
					case 'splash':
						towerLevelIndicator.tint = 0x33CC00;
						break;
					case 'slow':
						towerLevelIndicator.tint = 0x9900FF;
						break;
					case 'poison':
						towerLevelIndicator.tint = 0x00FFAA;
						break;
					default:
						towerLevelIndicator.tint = 0xAAAAAA;
				}
			}
		}
	};
	self.updateLevelIndicators();
	self.refreshCellsInRange = function () {
		// Remove tower from previously covered cells
		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);
			}
		}
		// Use optimized grid-based coverage calculation
		var coveredCells = self.getCoveredCells();
		self.cellsInRange = [];
		for (var i = 0; i < coveredCells.length; i++) {
			var cellInfo = coveredCells[i];
			var cell = cellInfo.cell;
			self.cellsInRange.push(cell);
			cell.towersInRange.push(self);
			// Initialize enemy tracking arrays for event-driven targeting
			if (!cell.enemyEntered) cell.enemyEntered = [];
			if (!cell.enemyLeft) cell.enemyLeft = [];
		}
		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 () {
		// Prevent rapid upgrades to avoid visual bugs
		if (self.lastUpgradeTime && LK.ticks - self.lastUpgradeTime < 30) {
			return false;
		}
		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) {
				self.lastUpgradeTime = LK.ticks;
				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 === 2) {
						// Level 2: 2.0/s fire rate = 30 ticks between shots, 10 damage
						self.fireRate = 30; // 2.0 shots per second (60 FPS / 30 = 2.0)
						self.damage = 10;
						self.bulletSpeed = 7 + self.level * 0.7;
					} else if (self.level === 3) {
						// Level 3: 2.5/s fire rate = 24 ticks between shots, 10 damage
						self.fireRate = 24; // 2.5 shots per second (60 FPS / 24 = 2.5)
						self.damage = 10;
						self.bulletSpeed = 7 + self.level * 0.7;
					} else if (self.level === 4) {
						// Level 4: 2.5/s fire rate = 24 ticks between shots, 15 damage
						self.fireRate = 24; // 2.5 shots per second (60 FPS / 24 = 2.5)
						self.damage = 15;
						self.bulletSpeed = 7 + self.level * 0.7;
					} else if (self.level === 5) {
						// Level 5: 2.5/s fire rate = 24 ticks between shots, 20 damage
						self.fireRate = 24; // 2.5 shots per second (60 FPS / 24 = 2.5)
						self.damage = 20;
						self.bulletSpeed = 7 + self.level * 0.7;
					} else if (self.level === 6) {
						// Level 6: 2.5/s fire rate = 24 ticks between shots, 25 damage
						self.fireRate = 24; // 2.5 shots per second (60 FPS / 24 = 2.5)
						self.damage = 25;
						self.bulletSpeed = 7 + self.level * 0.7;
					} else 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.id === 'default') {
					// Default tower uses the slower fire rate (240 base, double the original 120)
					if (self.level === self.maxLevel) {
						// Level 6: 0.5/s fire rate = 120 ticks between shots, damage = 35
						self.fireRate = 120; // 0.5 shots per second (60 FPS / 120 = 0.5)
						self.damage = 35; // Level 6 damage
						self.bulletSpeed = 5 + self.level * 2.4; // double the effect
					} else {
						self.fireRate = Math.max(40, 240 - self.level * 16); // Starting from 240 (double slower)
						self.damage = 10 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					}
				} else if (self.id === 'sniper') {
					// Sniper tower has special fire rate handling for level 2
					if (self.level === 2) {
						// Level 2: 0.9/s fire rate = 67 ticks between shots, 20 damage
						self.fireRate = 67; // 0.9 shots per second (60 FPS / 67 ≈ 0.9)
						self.damage = 20;
						self.bulletSpeed = 25 + self.level * 0.5;
					} else if (self.level === 3) {
						// Level 3: 1.2/s fire rate = 50 ticks between shots, 25 damage
						self.fireRate = 50; // 1.2 shots per second (60 FPS / 50 = 1.2)
						self.damage = 25;
						self.bulletSpeed = 25 + self.level * 0.5;
					} else if (self.level === 4) {
						// Level 4: 1.5/s fire rate = 40 ticks between shots, 25 damage
						self.fireRate = 40; // 1.5 shots per second (60 FPS / 40 = 1.5)
						self.damage = 25;
						self.bulletSpeed = 25 + self.level * 0.5;
					} else if (self.level === 5) {
						// Level 5: 1.5/s fire rate = 40 ticks between shots, 30 damage
						self.fireRate = 40; // 1.5 shots per second (60 FPS / 40 = 1.5)
						self.damage = 30;
						self.bulletSpeed = 25 + self.level * 0.5;
					} else if (self.level === 6) {
						// Level 6: 1.7/s fire rate = 35 ticks between shots, 30 damage
						self.fireRate = 35; // 1.7 shots per second (60 FPS / 35 ≈ 1.7)
						self.damage = 30;
						self.bulletSpeed = 25 + self.level * 0.5;
					} else if (self.level === self.maxLevel) {
						// Extra powerful last upgrade for sniper tower (double the effect)
						self.fireRate = Math.max(5, 90 - self.level * 24); // double the effect
						self.damage = 20 + self.level * 20; // double the effect
						self.bulletSpeed = 25 + self.level * 2.4; // double the effect
					} else {
						self.fireRate = Math.max(20, 90 - self.level * 8);
						self.damage = 20 + self.level * 5;
						self.bulletSpeed = 25 + self.level * 0.5;
					}
				} else if (self.id === 'splash') {
					// Splash tower has special fire rate handling for level 2
					if (self.level === 2) {
						// Level 2: 0.9/s fire rate = 67 ticks between shots
						self.fireRate = 67; // 0.9 shots per second (60 FPS / 67 ≈ 0.9)
						self.damage = 15 + self.level * 5;
						self.bulletSpeed = 4 + self.level * 0.5;
					} else if (self.level === self.maxLevel) {
						// Level 6: 1.8/s fire rate = 33 ticks between shots, damage = 50
						self.fireRate = 33; // 1.8 shots per second (60 FPS / 33 ≈ 1.8)
						self.damage = 50; // Level 6 damage
						self.bulletSpeed = 4 + self.level * 2.4; // double the effect
					} else {
						self.fireRate = Math.max(20, 75 - self.level * 8);
						self.damage = 15 + self.level * 5;
						self.bulletSpeed = 4 + self.level * 0.5;
					}
				} else if (self.id === 'slow') {
					// Slow tower has special fire rate handling
					if (self.level === 2) {
						// Level 2: 0.4/s fire rate = 150 ticks between shots
						self.fireRate = 150; // 0.4 shots per second (60 FPS / 150 = 0.4)
						self.damage = 8 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					} else if (self.level === 3) {
						// Level 3: 0.5/s fire rate = 120 ticks between shots
						self.fireRate = 120; // 0.5 shots per second (60 FPS / 120 = 0.5)
						self.damage = 8 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					} else if (self.level === 4) {
						// Level 4: 0.6/s fire rate = 100 ticks between shots
						self.fireRate = 100; // 0.6 shots per second (60 FPS / 100 = 0.6)
						self.damage = 8 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					} else if (self.level === 5) {
						// Level 5: 0.7/s fire rate = 86 ticks between shots
						self.fireRate = 86; // 0.7 shots per second (60 FPS / 86 ≈ 0.7)
						self.damage = 8 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					} else if (self.level === 6) {
						// Level 6: 0.8/s fire rate = 75 ticks between shots
						self.fireRate = 75; // 0.8 shots per second (60 FPS / 75 = 0.8)
						self.damage = 8 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					} else if (self.level === self.maxLevel) {
						// Extra powerful last upgrade for slow tower (double the effect)
						self.fireRate = Math.max(5, 60 - self.level * 24); // double the effect
						self.damage = 8 + 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 = 8 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					}
				} else if (self.id === 'poison') {
					// Poison tower upgrades
					if (self.level === 6) {
						// Level 6: specific damage value of 44
						self.fireRate = Math.max(5, 70 - self.level * 24); // double the effect
						self.damage = 44; // Level 6 specific damage
						self.bulletSpeed = 5 + self.level * 2.4; // double the effect
					} else if (self.level === self.maxLevel) {
						// Extra powerful last upgrade for poison tower (double the effect)
						self.fireRate = Math.max(5, 70 - self.level * 24); // double the effect
						self.damage = 12 + self.level * 20; // double the effect
						self.bulletSpeed = 5 + self.level * 2.4; // double the effect
					} else {
						self.fireRate = Math.max(20, 70 - self.level * 8);
						self.damage = 12 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					}
				} else {
					if (self.level === self.maxLevel) {
						// Extra powerful last upgrade for all other towers (double the effect)
						self.fireRate = Math.max(5, 60 - self.level * 24); // double the effect
						self.damage = 10 + self.level * 20; // double the effect
						self.bulletSpeed = 5 + self.level * 2.4; // double the effect
					} else {
						self.fireRate = Math.max(20, 60 - self.level * 8);
						self.damage = 10 + self.level * 5;
						self.bulletSpeed = 5 + self.level * 0.5;
					}
				}
				self.refreshCellsInRange();
				self.updateLevelIndicators();
				if (self.level > 1) {
					var levelDot = levelIndicators[self.level - 1].children[1];
					// Stop any existing tweens on this level dot to prevent conflicts
					tween.stop(levelDot, {
						scaleX: true,
						scaleY: true
					});
					// Reset scale before animating
					levelDot.scaleX = 1;
					levelDot.scaleY = 1;
					tween(levelDot, {
						scaleX: 1.5,
						scaleY: 1.5
					}, {
						duration: 300,
						easing: tween.elasticOut,
						onFinish: function onFinish() {
							tween(levelDot, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 200,
								easing: tween.easeOut
							});
						}
					});
				}
				return true;
			} else {
				var notification = game.addChild(new Notification("Not enough gold to upgrade!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
				return false;
			}
		}
		return false;
	};
	self.findTarget = function () {
		// Early exit if no enemies or recently found target is still valid
		if (enemies.length === 0) {
			return null;
		}
		// Cache target for a few frames to reduce expensive calculations
		if (self._cachedTarget && self._targetCacheFrame && LK.ticks - self._targetCacheFrame < 3 && self._cachedTarget.parent && self._cachedTarget.health > 0) {
			return self._cachedTarget;
		}
		var closestEnemy = null;
		var closestScore = Infinity;
		var maxChecks = 20; // Limit checks per frame for performance
		var checksPerformed = 0;
		// Use cached covered cells for better performance
		if (!self._cachedCoveredCells || self._cellCacheFrame !== LK.ticks) {
			self._cachedCoveredCells = self.getCoveredCells();
			self._cellCacheFrame = LK.ticks;
		}
		var coveredCells = self._cachedCoveredCells;
		// Check enemies in covered cells only - with optimized lookup and early exit
		for (var c = 0; c < coveredCells.length && checksPerformed < maxChecks; c++) {
			var cellInfo = coveredCells[c];
			var cellKey = cellInfo.x + "," + cellInfo.y;
			var cellEnemies = enemiesByCell[cellKey];
			if (cellEnemies && cellEnemies.length > 0) {
				// Process up to 3 enemies per cell to avoid frame drops
				var enemiesToCheck = Math.min(3, cellEnemies.length);
				for (var i = 0; i < enemiesToCheck && checksPerformed < maxChecks; i++) {
					var enemy = cellEnemies[i];
					checksPerformed++;
					// Skip if enemy is dead or invalid
					if (!enemy.parent || enemy.health <= 0) {
						continue;
					}
					var score;
					if (enemy.isFlying) {
						// For flying enemies, use distance to goal (squared for performance)
						if (enemy.flyingTarget) {
							var dx = enemy.flyingTarget.x - enemy.cellX;
							var dy = enemy.flyingTarget.y - enemy.cellY;
							score = dx * dx + dy * dy;
						} else {
							// Fallback to distance from tower
							var dx = enemy.cellX - (self.gridX + 1);
							var dy = enemy.cellY - (self.gridY + 1);
							score = dx * dx + dy * dy;
						}
					} else {
						// For ground enemies, use path-based score
						var cell = grid.getCell(enemy.cellX, enemy.cellY);
						if (cell && cell.pathId === pathId) {
							score = cell.score; // Lower score = closer to exit
						} else {
							continue; // Skip invalid enemies
						}
					}
					// Update closest enemy if this one is better
					if (score < closestScore) {
						closestScore = score;
						closestEnemy = enemy;
						// Early exit for very close enemies
						if (score < 100) {
							break;
						}
					}
				}
			}
		}
		// Cache the result for a few frames
		self._cachedTarget = closestEnemy;
		self._targetCacheFrame = LK.ticks;
		if (!closestEnemy) {
			self.targetEnemy = null;
		}
		return closestEnemy;
	};
	self.update = function () {
		// Reduce update frequency for better performance
		var shouldFullUpdate = LK.ticks % 3 === 0; // Update every 3 frames instead of every frame
		// Only check for enemy events when doing full updates
		if (shouldFullUpdate) {
			// Check for enemy entry/exit events in our range cells
			var hasEnemyEvents = false;
			for (var i = 0; i < self.cellsInRange.length; i++) {
				var cell = self.cellsInRange[i];
				if (cell.enemyEntered && cell.enemyEntered.length > 0) {
					hasEnemyEvents = true;
					cell.enemyEntered = []; // Clear the event list
				}
				if (cell.enemyLeft && cell.enemyLeft.length > 0) {
					hasEnemyEvents = true;
					cell.enemyLeft = []; // Clear the event list
				}
			}
			// Update target if there are enemy events or no current target
			if (hasEnemyEvents || !self.targetEnemy || !self.targetEnemy.parent || self.targetEnemy.health <= 0) {
				self.targetEnemy = self.findTarget();
			}
		}
		// Check if ready to fire
		var readyToFire = self.canFire && LK.ticks - self.lastFired >= self.fireRate;
		if (self.targetEnemy && self.targetEnemy.health > 0 && readyToFire) {
			// Handle rotation and sprite changes only for towers that need it
			if (self.id !== 'default' && self.id !== 'slow') {
				var dx = self.targetEnemy.x - self.x;
				var dy = self.targetEnemy.y - self.y;
				var angle = Math.atan2(dy, dx);
				// Only update rotation if significantly different (avoid micro-adjustments)
				if (Math.abs(gunContainer.rotation - angle) > 0.1) {
					gunContainer.rotation = angle;
				}
				// Optimized sprite switching - cache current asset to avoid unnecessary changes
				var gunGraphics = gunContainer.children[0];
				if (gunGraphics && (self.id === 'rapid' || self.id === 'poison')) {
					var normalizedAngle = angle;
					while (normalizedAngle > Math.PI) normalizedAngle -= 2 * Math.PI;
					while (normalizedAngle < -Math.PI) normalizedAngle += 2 * Math.PI;
					var shouldUseFlipper = Math.abs(normalizedAngle) > Math.PI / 2;
					var desiredAsset;
					if (self.id === 'rapid') {
						desiredAsset = shouldUseFlipper ? 'rapid2' : 'tower_rapid';
					} else if (self.id === 'poison') {
						desiredAsset = shouldUseFlipper ? 'magodehielo' : 'tower_poison';
					}
					// Only change sprite if necessary
					if (gunGraphics.currentAsset !== desiredAsset) {
						gunContainer.removeChild(gunGraphics);
						gunGraphics = gunContainer.attachAsset(desiredAsset, {
							anchorX: 0.5,
							anchorY: 0.5
						});
						gunGraphics.currentAsset = desiredAsset;
					}
				}
			}
			// Fire at target
			self.fire();
			self.lastFired = LK.ticks;
		} else if (!self.targetEnemy && shouldFullUpdate) {
			// Reset towers that change sprites when not firing (less frequent updates)
			if (self.id === 'rapid' || self.id === 'poison') {
				var gunGraphics = gunContainer.children[0];
				if (gunGraphics) {
					var defaultAsset = self.id === 'rapid' ? 'tower_rapid' : 'tower_poison';
					if (gunGraphics.currentAsset !== defaultAsset) {
						gunContainer.removeChild(gunGraphics);
						gunGraphics = gunContainer.attachAsset(defaultAsset, {
							anchorX: 0.5,
							anchorY: 0.5
						});
						gunGraphics.currentAsset = defaultAsset;
					}
				}
				// Smoothly rotate back to 0° but less frequently
				if (Math.abs(gunContainer.rotation) > 0.05 && !gunContainer._isResetting) {
					gunContainer._isResetting = true;
					tween(gunContainer, {
						rotation: 0
					}, {
						duration: 200,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							gunContainer._isResetting = false;
						}
					});
				}
			}
		}
	};
	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);
			}
			// Removed selectedTower clearing and grid render debug to prevent map darkening
			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]);
			}
		}
		// Only show range circle for non-slow towers
		if (self.id !== 'slow') {
			var rangeIndicator = new Container();
			rangeIndicator.isTowerRange = true;
			rangeIndicator.tower = self;
			game.addChild(rangeIndicator);
			rangeIndicator.x = self.x;
			rangeIndicator.y = self.y;
			var rangeGraphics = rangeIndicator.attachAsset('rangeCircle', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			rangeGraphics.width = rangeGraphics.height = self.getRange() * 2;
			rangeGraphics.alpha = 0.3;
		}
		var upgradeMenu = new UpgradeMenu(self);
		game.addChild(upgradeMenu);
		upgradeMenu.x = 2048 / 2;
		tween(upgradeMenu, {
			y: 2732 - 225
		}, {
			duration: 200,
			easing: tween.backOut
		});
	};
	self.isInRange = function (enemy) {
		if (!enemy) {
			return false;
		}
		// Use grid-based check instead of expensive distance calculation
		var coveredCells = self.getCoveredCells();
		for (var i = 0; i < coveredCells.length; i++) {
			var cellInfo = coveredCells[i];
			if (enemy.cellX === cellInfo.x && enemy.cellY === cellInfo.y) {
				return true;
			}
		}
		return false;
	};
	self.fire = function () {
		if (self.id === 'default' && self.targetEnemy) {
			// Optimized default tower - direct area damage instead of visual bullets
			var coveredCells = self._cachedCoveredCells || self.getCoveredCells();
			var maxEnemies = 10;
			var enemiesHit = 0;
			// Use spatial indexing for faster enemy lookup
			for (var c = 0; c < coveredCells.length && enemiesHit < maxEnemies; c++) {
				var cellInfo = coveredCells[c];
				var cellKey = cellInfo.x + "," + cellInfo.y;
				var cellEnemies = enemiesByCell[cellKey];
				if (cellEnemies) {
					for (var i = 0; i < cellEnemies.length && enemiesHit < maxEnemies; i++) {
						var enemy = cellEnemies[i];
						if (enemy.health > 0) {
							enemy.health -= self.damage;
							if (enemy.health <= 0) {
								enemy.health = 0;
							} else {
								enemy.healthBar.width = enemy.health / enemy.maxHealth * 70;
							}
							enemiesHit++;
						}
					}
				}
			}
			// Simplified fire animation for default tower
			if (!self._isAnimating) {
				self._isAnimating = true;
				tween(self, {
					scaleX: 0.85,
					scaleY: 0.85
				}, {
					duration: 60,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(self, {
							scaleX: 1.0,
							scaleY: 1.0
						}, {
							duration: 100,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								self._isAnimating = false;
							}
						});
					}
				});
			}
		} else if (self.targetEnemy && self.targetEnemy.health > 0) {
			// Check if target already has enough damage incoming to kill it
			var potentialDamage = 0;
			var targetBullets = self.targetEnemy.bulletsTargetingThis;
			for (var i = 0; i < targetBullets.length; i++) {
				if (targetBullets[i].parent) {
					// Only count active bullets
					potentialDamage += targetBullets[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;
				// Use pooled bullet for better performance
				var bullet = getBulletFromPool(bulletX, bulletY, self.targetEnemy, self.damage, self.bulletSpeed);
				bullet.type = self.id;
				// Set tower-specific properties efficiently
				if (self.id === 'slow' || self.id === 'poison') {
					bullet.sourceTowerLevel = self.level;
				}
				// Pre-configure bullet graphics based on type to avoid runtime checks
				var bulletGraphics = bullet.children[0];
				if (!bullet._configuredType || bullet._configuredType !== self.id) {
					switch (self.id) {
						case 'rapid':
							bulletGraphics.tint = 0x00AAFF;
							bulletGraphics.width = 20;
							bulletGraphics.height = 20;
							bullet._isSplashBullet = false;
							bullet._isPoisonBullet = false;
							break;
						case 'sniper':
							bulletGraphics.tint = 0xFF5500;
							bulletGraphics.width = 15;
							bulletGraphics.height = 15;
							bullet._isSplashBullet = false;
							bullet._isPoisonBullet = false;
							break;
						case 'splash':
							if (!bullet._isSplashBullet) {
								bullet.removeChild(bulletGraphics);
								bulletGraphics = bullet.attachAsset('bola', {
									anchorX: 0.5,
									anchorY: 0.5
								});
								bulletGraphics.width = 40;
								bulletGraphics.height = 40;
								bullet._isSplashBullet = true;
								bullet._isPoisonBullet = false;
							}
							break;
						case 'slow':
							bulletGraphics.tint = 0x9900FF;
							bulletGraphics.width = 35;
							bulletGraphics.height = 35;
							bullet._isSplashBullet = false;
							bullet._isPoisonBullet = false;
							break;
						case 'poison':
							if (!bullet._isPoisonBullet) {
								bullet.removeChild(bulletGraphics);
								bulletGraphics = bullet.attachAsset('boladehielo', {
									anchorX: 0.5,
									anchorY: 0.5
								});
								bulletGraphics.width = 35;
								bulletGraphics.height = 35;
								bullet._isPoisonBullet = true;
								bullet._isSplashBullet = false;
							}
							break;
						default:
							bulletGraphics.tint = 0xFFFFFF;
							bulletGraphics.width = 30;
							bulletGraphics.height = 30;
							bullet._isSplashBullet = false;
							bullet._isPoisonBullet = false;
							break;
					}
					bullet._configuredType = self.id;
				}
				game.addChild(bullet);
				bullets.push(bullet);
				targetBullets.push(bullet);
				// Optimized recoil animation - only if not already animating
				if (!gunContainer._isRecoiling) {
					gunContainer._isRecoiling = true;
					var recoilDistance = 6;
					var recoilX = -Math.cos(gunContainer.rotation) * recoilDistance;
					var recoilY = -Math.sin(gunContainer.rotation) * recoilDistance;
					tween(gunContainer, {
						x: recoilX,
						y: recoilY
					}, {
						duration: 40,
						easing: tween.cubicOut,
						onFinish: function onFinish() {
							tween(gunContainer, {
								x: 0,
								y: 0
							}, {
								duration: 60,
								easing: tween.cubicIn,
								onFinish: function onFinish() {
									gunContainer._isRecoiling = false;
								}
							});
						}
					});
				}
			}
		}
	};
	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;
	// Use different preview assets for different tower types
	var previewAssetName = 'tower'; // default preview asset
	switch (self.towerType) {
		case 'rapid':
			previewAssetName = 'tower_rapid';
			break;
		case 'sniper':
			previewAssetName = 'tower_sniper';
			break;
		case 'splash':
			previewAssetName = 'tower_splash';
			break;
		case 'slow':
			previewAssetName = 'tower_slow';
			break;
		case 'poison':
			previewAssetName = 'tower_poison';
			break;
		default:
			previewAssetName = 'tower';
	}
	var previewGraphics = self.attachAsset(previewAssetName, {
		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;
		// Remove old preview graphics and create new one with correct asset
		if (previewGraphics && previewGraphics.parent) {
			self.removeChild(previewGraphics);
		}
		// Use different preview assets for different tower types
		var previewAssetName = 'tower'; // default preview asset
		switch (self.towerType) {
			case 'rapid':
				previewAssetName = 'tower_rapid';
				break;
			case 'sniper':
				previewAssetName = 'tower_sniper';
				break;
			case 'splash':
				previewAssetName = 'tower_splash';
				break;
			case 'slow':
				previewAssetName = 'tower_slow';
				break;
			case 'poison':
				previewAssetName = 'tower_poison';
				break;
			case 'default':
				previewAssetName = 'tower_default';
				break;
			default:
				previewAssetName = 'tower_default';
		}
		previewGraphics = self.attachAsset(previewAssetName, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		previewGraphics.width = CELL_SIZE * 2;
		previewGraphics.height = CELL_SIZE * 2;
		// For specific tower types, also show the tower asset
		if (self.towerType === 'default') {
			var towerGraphics = self.attachAsset('tower_default', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			towerGraphics.width = CELL_SIZE * 2;
			towerGraphics.height = CELL_SIZE * 2;
		} else if (self.towerType === 'rapid') {
			var towerGraphics = self.attachAsset('tower_rapid', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			towerGraphics.width = CELL_SIZE * 2;
			towerGraphics.height = CELL_SIZE * 2;
		} else if (self.towerType === 'sniper') {
			var towerGraphics = self.attachAsset('tower_sniper', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			towerGraphics.width = CELL_SIZE * 2;
			towerGraphics.height = CELL_SIZE * 2;
		} else if (self.towerType === 'splash') {
			var towerGraphics = self.attachAsset('tower_splash', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			towerGraphics.width = CELL_SIZE * 2;
			towerGraphics.height = CELL_SIZE * 2;
		} else if (self.towerType === 'slow') {
			var towerGraphics = self.attachAsset('tower_slow', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			towerGraphics.width = CELL_SIZE * 2;
			towerGraphics.height = CELL_SIZE * 2;
		} else if (self.towerType === 'poison') {
			var towerGraphics = self.attachAsset('tower_poison', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			towerGraphics.width = CELL_SIZE * 2;
			towerGraphics.height = CELL_SIZE * 2;
		}
	};
	self.updatePlacementStatus = function () {
		var validGridPlacement = true;
		if (self.gridY <= 4 || self.gridY + 1 >= grid.cells[0].length - 4) {
			validGridPlacement = false;
		} else {
			for (var i = 0; i < 2; i++) {
				for (var j = 0; j < 2; j++) {
					var cell = grid.getCell(self.gridX + i, self.gridY + j);
					if (!cell || cell.type !== 0) {
						validGridPlacement = false;
						break;
					}
					// Check if this cell's sequential number is in the excluded list
					if (cell.sequentialNumber && excludedTowerCells.indexOf(cell.sequentialNumber) !== -1) {
						validGridPlacement = false;
						break;
					}
				}
				if (!validGridPlacement) {
					break;
				}
			}
		}
		self.blockedByEnemy = false;
		if (validGridPlacement) {
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				if (enemy.currentCellY < 4) {
					continue;
				}
				// Only check non-flying enemies, flying enemies can pass over towers
				if (!enemy.isFlying) {
					if (enemy.cellX >= self.gridX && enemy.cellX < self.gridX + 2 && enemy.cellY >= self.gridY && enemy.cellY < self.gridY + 2) {
						self.blockedByEnemy = true;
						break;
					}
					if (enemy.currentTarget) {
						var targetX = enemy.currentTarget.x;
						var targetY = enemy.currentTarget.y;
						if (targetX >= self.gridX && targetX < self.gridX + 2 && targetY >= self.gridY && targetY < self.gridY + 2) {
							self.blockedByEnemy = true;
							break;
						}
					}
				}
			}
		}
		self.canPlace = validGridPlacement && !self.blockedByEnemy;
		self.hasEnoughGold = gold >= getTowerCost(self.towerType);
		self.updateAppearance();
	};
	self.checkPlacement = function () {
		self.updatePlacementStatus();
	};
	self.snapToGrid = function (x, y) {
		var gridPosX = x - grid.x;
		var gridPosY = y - grid.y;
		self.gridX = Math.floor(gridPosX / CELL_SIZE);
		self.gridY = Math.floor(gridPosY / CELL_SIZE);
		self.x = grid.x + self.gridX * CELL_SIZE + CELL_SIZE / 2;
		self.y = grid.y + self.gridY * CELL_SIZE + CELL_SIZE / 2;
		self.checkPlacement();
	};
	return self;
});
var UpgradeMenu = Container.expand(function (tower) {
	var self = Container.call(this);
	self.tower = tower;
	self.y = 2732 + 225;
	var menuBackground = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBackground.width = 2048;
	menuBackground.height = 500;
	menuBackground.tint = 0x444444;
	menuBackground.alpha = 0.9;
	var towerTypeText = new Text2(self.tower.id.charAt(0).toUpperCase() + self.tower.id.slice(1) + ' Tower', {
		size: 80,
		fill: 0xFFFFFF,
		weight: 800
	});
	towerTypeText.anchor.set(0, 0);
	towerTypeText.x = -840;
	towerTypeText.y = -160;
	self.addChild(towerTypeText);
	// Create damage text based on tower type
	var damageText;
	if (self.tower.id === 'slow') {
		// For slow towers, show percentage damage
		var damagePercentages = [0.1, 0.12, 0.14, 0.16, 0.18, 0.2];
		var idx = Math.max(0, Math.min(5, self.tower.level - 1));
		var damagePercentage = damagePercentages[idx];
		damageText = (damagePercentage * 100).toFixed(0) + '% HP';
	} else if (self.tower.id === 'poison' && self.tower.level === 6) {
		// For poison tower level 6, show specific damage value
		damageText = '44';
	} else {
		// For other towers, show regular damage
		damageText = self.tower.damage.toString();
	}
	// Calculate fire rate display - handle special cases for slow tower
	var fireRateDisplay;
	if (self.tower.id === 'slow' && self.tower.level === 2) {
		fireRateDisplay = '0.4'; // Special case for slow tower level 2
	} else if (self.tower.id === 'slow' && self.tower.level === 3) {
		fireRateDisplay = '0.5'; // Special case for slow tower level 3
	} else if (self.tower.id === 'slow' && self.tower.level === 4) {
		fireRateDisplay = '0.6'; // Special case for slow tower level 4
	} else if (self.tower.id === 'slow' && self.tower.level === 5) {
		fireRateDisplay = '0.7'; // Special case for slow tower level 5
	} else if (self.tower.id === 'slow' && self.tower.level === 6) {
		fireRateDisplay = '0.8'; // Special case for slow tower level 6
	} else if (self.tower.id === 'rapid' && self.tower.level === 2) {
		fireRateDisplay = '2.0'; // Special case for rapid tower level 2
	} else if (self.tower.id === 'rapid' && self.tower.level === 3) {
		fireRateDisplay = '2.5'; // Special case for rapid tower level 3
	} else if (self.tower.id === 'rapid' && self.tower.level === 4) {
		fireRateDisplay = '2.5'; // Special case for rapid tower level 4
	} else if (self.tower.id === 'rapid' && self.tower.level === 5) {
		fireRateDisplay = '2.5'; // Special case for rapid tower level 5
	} else if (self.tower.id === 'rapid' && self.tower.level === 6) {
		fireRateDisplay = '2.5'; // Special case for rapid tower level 6
	} else if (self.tower.id === 'sniper' && self.tower.level === 2) {
		fireRateDisplay = '0.9'; // Special case for sniper tower level 2
	} else if (self.tower.id === 'sniper' && self.tower.level === 3) {
		fireRateDisplay = '1.2'; // Special case for sniper tower level 3
	} else if (self.tower.id === 'sniper' && self.tower.level === 4) {
		fireRateDisplay = '1.5'; // Special case for sniper tower level 4
	} else if (self.tower.id === 'sniper' && self.tower.level === 5) {
		fireRateDisplay = '1.5'; // Special case for sniper tower level 5
	} else if (self.tower.id === 'sniper' && self.tower.level === 6) {
		fireRateDisplay = '1.7'; // Special case for sniper tower level 6
	} else if (self.tower.id === 'splash' && self.tower.level === 2) {
		fireRateDisplay = '0.9'; // Special case for splash tower level 2
	} else if (self.tower.id === 'splash' && self.tower.level === 6) {
		fireRateDisplay = '1.8'; // Special case for splash tower level 6
	} else {
		fireRateDisplay = (60 / self.tower.fireRate).toFixed(1);
	}
	var statsText = new Text2('Level: ' + self.tower.level + '/' + self.tower.maxLevel + '\nDamage: ' + damageText + '\nFire Rate: ' + fireRateDisplay + '/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));
			}
			// Update damage text based on tower type
			var damageText;
			if (self.tower.id === 'slow') {
				// For slow towers, show percentage damage
				var damagePercentages = [0.1, 0.12, 0.14, 0.16, 0.18, 0.2];
				var idx = Math.max(0, Math.min(5, self.tower.level - 1));
				var damagePercentage = damagePercentages[idx];
				damageText = (damagePercentage * 100).toFixed(0) + '% HP';
			} else if (self.tower.id === 'poison' && self.tower.level === 6) {
				// For poison tower level 6, show specific damage value
				damageText = '44';
			} else {
				// For other towers, show regular damage
				damageText = self.tower.damage.toString();
			}
			// Calculate fire rate display - handle special cases for slow tower
			var fireRateDisplay;
			if (self.tower.id === 'slow' && self.tower.level === 2) {
				fireRateDisplay = '0.4'; // Special case for slow tower level 2
			} else if (self.tower.id === 'slow' && self.tower.level === 3) {
				fireRateDisplay = '0.5'; // Special case for slow tower level 3
			} else if (self.tower.id === 'slow' && self.tower.level === 4) {
				fireRateDisplay = '0.6'; // Special case for slow tower level 4
			} else if (self.tower.id === 'slow' && self.tower.level === 5) {
				fireRateDisplay = '0.7'; // Special case for slow tower level 5
			} else if (self.tower.id === 'slow' && self.tower.level === 6) {
				fireRateDisplay = '0.8'; // Special case for slow tower level 6
			} else if (self.tower.id === 'rapid' && self.tower.level === 2) {
				fireRateDisplay = '2.0'; // Special case for rapid tower level 2
			} else if (self.tower.id === 'rapid' && self.tower.level === 3) {
				fireRateDisplay = '2.5'; // Special case for rapid tower level 3
			} else if (self.tower.id === 'rapid' && self.tower.level === 4) {
				fireRateDisplay = '2.5'; // Special case for rapid tower level 4
			} else if (self.tower.id === 'rapid' && self.tower.level === 5) {
				fireRateDisplay = '2.5'; // Special case for rapid tower level 5
			} else if (self.tower.id === 'rapid' && self.tower.level === 6) {
				fireRateDisplay = '2.5'; // Special case for rapid tower level 6
			} else if (self.tower.id === 'sniper' && self.tower.level === 2) {
				fireRateDisplay = '0.9'; // Special case for sniper tower level 2
			} else if (self.tower.id === 'sniper' && self.tower.level === 3) {
				fireRateDisplay = '1.2'; // Special case for sniper tower level 3
			} else if (self.tower.id === 'sniper' && self.tower.level === 4) {
				fireRateDisplay = '1.5'; // Special case for sniper tower level 4
			} else if (self.tower.id === 'sniper' && self.tower.level === 5) {
				fireRateDisplay = '1.5'; // Special case for sniper tower level 5
			} else if (self.tower.id === 'sniper' && self.tower.level === 6) {
				fireRateDisplay = '1.7'; // Special case for sniper tower level 6
			} else if (self.tower.id === 'splash' && self.tower.level === 2) {
				fireRateDisplay = '0.9'; // Special case for splash tower level 2
			} else if (self.tower.id === 'splash' && self.tower.level === 6) {
				fireRateDisplay = '1.8'; // Special case for splash tower level 6
			} else {
				fireRateDisplay = (60 / self.tower.fireRate).toFixed(1);
			}
			statsText.setText('Level: ' + self.tower.level + '/' + self.tower.maxLevel + '\nDamage: ' + damageText + '\nFire Rate: ' + fireRateDisplay + '/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);
					}
				}
			}
		}
		// Removed selectedTower clearing to prevent map darkening
		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);
	};
	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;
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;
		}
	});
}
// Performance tracking variables
var frameCounter = 0;
var processingTimeLimit = 16; // Max 16ms per frame for 60fps
var frameStartTime = 0;
// Performance monitoring function
function hasTimeRemaining() {
	return Date.now() - frameStartTime < processingTimeLimit;
}
var CELL_SIZE = 76;
var pathId = 1;
var maxScore = 0;
var enemies = [];
var towers = [];
var bullets = [];
var defenses = [];
// Object pools for frequently created/destroyed objects
var bulletPool = [];
var enemyPool = [];
var effectPool = [];
var goldIndicatorPool = [];
// Pool management functions
function getBulletFromPool(startX, startY, targetEnemy, damage, speed) {
	var bullet;
	if (bulletPool.length > 0) {
		bullet = bulletPool.pop();
		// Reset bullet properties
		bullet.x = startX;
		bullet.y = startY;
		bullet.targetEnemy = targetEnemy;
		bullet.damage = damage || 10;
		bullet.speed = speed || 5;
		bullet.type = undefined;
		bullet.sourceTowerLevel = undefined;
		bullet.sourceRange = null;
		bullet.visible = true;
		bullet.alpha = 1;
	} else {
		bullet = new Bullet(startX, startY, targetEnemy, damage, speed);
	}
	return bullet;
}
function returnBulletToPool(bullet) {
	if (bulletPool.length < 50) {
		// Limit pool size
		bullet.visible = false;
		bullet.targetEnemy = null;
		bulletPool.push(bullet);
		return true;
	}
	return false;
}
function getEnemyFromPool(type) {
	var enemy;
	if (enemyPool.length > 0) {
		enemy = enemyPool.pop();
		// Reset enemy properties would go here, but Enemy constructor is complex
		// For now, create new enemies but keep pool structure for future optimization
		enemy = new Enemy(type);
	} else {
		enemy = new Enemy(type);
	}
	return enemy;
}
function returnEnemyToPool(enemy) {
	if (enemyPool.length < 30) {
		// Limit pool size
		enemy.visible = false;
		enemyPool.push(enemy);
		return true;
	}
	return false;
}
var selectedTower = null;
// Hash maps for faster lookups
var towersByPosition = {}; // Key: "x,y", Value: tower
var enemiesByCell = {}; // Key: "x,y", Value: [enemies]
// Helper functions for position-based lookups
function getTowerKey(x, y) {
	return Math.floor(x / CELL_SIZE) + "," + Math.floor(y / CELL_SIZE);
}
function getEnemyKey(cellX, cellY) {
	return cellX + "," + cellY;
}
function addTowerToPositionMap(tower) {
	var key = getTowerKey(tower.x, tower.y);
	towersByPosition[key] = tower;
}
function removeTowerFromPositionMap(tower) {
	var key = getTowerKey(tower.x, tower.y);
	delete towersByPosition[key];
}
function addEnemyToCell(enemy) {
	var key = getEnemyKey(enemy.cellX, enemy.cellY);
	if (!enemiesByCell[key]) {
		enemiesByCell[key] = [];
	}
	if (enemiesByCell[key].indexOf(enemy) === -1) {
		enemiesByCell[key].push(enemy);
	}
}
function removeEnemyFromCell(enemy, cellX, cellY) {
	var key = getEnemyKey(cellX || enemy.cellX, cellY || enemy.cellY);
	if (enemiesByCell[key]) {
		var index = enemiesByCell[key].indexOf(enemy);
		if (index !== -1) {
			enemiesByCell[key].splice(index, 1);
			if (enemiesByCell[key].length === 0) {
				delete enemiesByCell[key];
			}
		}
	}
}
var gold = 99999;
var lives = 20;
var score = 1000;
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
// Define ruta1 route for enemies that reach cell '1'
var ruta1 = [129, 121, 275, 294, 52, 45, 397, 385, 539, 547, 605]; // Route cells (excluding those with -b suffix)
var enemiesOnRuta1 = []; // Track enemies following ruta1
// Define ruta2 route for enemies that reach cell '2'
var ruta2 = [152, 144, 254, 271, 73, 68, 420, 408, 518, 526]; // Route cells (excluding those with -b suffix)
var enemiesOnRuta2 = []; // Track enemies following ruta2
// Define ruta3 route for enemies that reach cell '3'
var ruta3 = [41, 129, 121, 275, 294, 52, 45, 397, 385, 539, 547, 605]; // Route cells (excluding those with -b suffix)
var enemiesOnRuta3 = []; // Track enemies following ruta3
// Define ruta4 route for enemies that reach cell '4'
var ruta4 = [41, 129, 121, 275, 294, 52, 45, 397, 385, 539, 547, 605]; // Route cells (excluding those with -b suffix)
var enemiesOnRuta4 = []; // Track enemies following ruta4
// Define ruta5 route for enemies that reach cell '5'
var ruta5 = [42, 152, 144, 254, 271, 73, 68, 420, 408, 518, 526]; // Route cells (excluding those with -b suffix)
var enemiesOnRuta5 = []; // Track enemies following ruta5
// Define ruta6 route for enemies that reach cell '6'
var ruta6 = [42, 152, 144, 254, 271, 73, 68, 420, 408, 518, 526]; // Route cells (excluding those with -b suffix)
var enemiesOnRuta6 = []; // Track enemies following ruta6
// Pre-cached route cell references to avoid expensive searches
var routeCellCache = {
	ruta1: [],
	ruta2: [],
	ruta3: [],
	ruta4: [],
	ruta5: [],
	ruta6: []
};
var goldText = new Text2('Gold: ' + gold, {
	size: 60,
	fill: 0xFFD700,
	weight: 800
});
goldText.anchor.set(0.5, 0.5);
var livesText = new Text2('Lives: ' + lives, {
	size: 60,
	fill: 0x00FF00,
	weight: 800
});
livesText.anchor.set(0.5, 0.5);
var scoreAsset = LK.getAsset('score', {
	anchorX: 0,
	anchorY: 0.5,
	scaleX: 2.0,
	scaleY: 2.0
});
// Container to hold all digit assets
var scoreDigitsContainer = new Container();
var scoreDigits = []; // Array to hold individual digit assets
var topMargin = 50;
var centerX = 2048 / 2;
var spacing = 400;
LK.gui.top.addChild(goldText);
LK.gui.top.addChild(livesText);
LK.gui.top.addChild(scoreAsset);
LK.gui.top.addChild(scoreDigitsContainer);
livesText.x = 0;
livesText.y = topMargin;
goldText.x = -spacing;
goldText.y = topMargin;
scoreAsset.x = spacing - 150;
scoreAsset.y = topMargin;
scoreDigitsContainer.x = spacing + 150;
scoreDigitsContainer.y = topMargin;
function updateScoreDigits() {
	// Clear existing digit assets
	for (var i = 0; i < scoreDigits.length; i++) {
		scoreDigitsContainer.removeChild(scoreDigits[i]);
	}
	scoreDigits = [];
	// Convert score to string to get individual digits
	var scoreString = score.toString();
	var digitWidth = 40; // Width of each digit asset
	var totalWidth = scoreString.length * digitWidth;
	var startX = -totalWidth / 2; // Center the digits
	// Create asset for each digit
	for (var i = 0; i < scoreString.length; i++) {
		var digitChar = scoreString.charAt(i);
		var digitAsset = LK.getAsset(digitChar, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		digitAsset.x = startX + i * digitWidth + digitWidth / 2;
		digitAsset.y = 0;
		scoreDigitsContainer.addChild(digitAsset);
		scoreDigits.push(digitAsset);
	}
}
function updateUI() {
	goldText.setText('Gold: ' + gold);
	livesText.setText('Lives: ' + lives);
	updateScoreDigits();
	updateHealthBar(); // Update health bar when UI updates
}
// Cached UI update to reduce expensive text operations
var lastUIUpdate = 0;
function updateUICached() {
	if (LK.ticks - lastUIUpdate > 10) {
		// Update UI every 10 frames instead of every frame
		updateUI();
		lastUIUpdate = LK.ticks;
	}
}
// Initialize score digits display at game start
updateScoreDigits();
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;
grid.pathFind();
grid.renderDebug();
// Cache route cell references to avoid expensive searches during gameplay
function cacheRouteCells() {
	var routes = {
		ruta1: ruta1,
		ruta2: ruta2,
		ruta3: ruta3,
		ruta4: ruta4,
		ruta5: ruta5,
		ruta6: ruta6
	};
	for (var routeName in routes) {
		var route = routes[routeName];
		routeCellCache[routeName] = [];
		for (var r = 0; r < route.length; r++) {
			var targetCellNumber = route[r];
			// Find cell with matching sequential number (excluding -b suffix)
			for (var i = 0; i < grid.cells.length; i++) {
				for (var j = 0; j < grid.cells[i].length; j++) {
					var checkCell = grid.cells[i][j];
					if (checkCell && checkCell.sequentialNumber === targetCellNumber) {
						// Check if this cell would have -b suffix
						var hasBSuffix = false;
						if (checkCell.type === 0 || checkCell.type === 2) {
							var isBorderCell = checkCell.x === 0 || checkCell.x === 23 || checkCell.y === 4;
							hasBSuffix = isBorderCell;
						} else if (checkCell.type === 1) {
							hasBSuffix = true;
						} else if (checkCell.type === 3) {
							var isBorderCell = checkCell.x === 0 || checkCell.x === 23 || checkCell.y === 4;
							hasBSuffix = isBorderCell;
						}
						// Only use cells without -b suffix
						if (!hasBSuffix) {
							routeCellCache[routeName][r] = checkCell;
							break;
						}
					}
				}
				if (routeCellCache[routeName][r]) break;
			}
		}
	}
}
cacheRouteCells();
debugLayer.addChild(grid);
game.addChild(debugLayer);
game.addChild(towerLayer);
game.addChild(enemyLayer);
var offset = 0;
var towerPreview = new TowerPreview();
game.addChild(towerPreview);
towerPreview.visible = false;
var isDragging = false;
var dragClone = null;
function wouldBlockPath(gridX, gridY) {
	var cells = [];
	for (var i = 0; i < 2; i++) {
		for (var j = 0; j < 2; j++) {
			var cell = grid.getCell(gridX + i, gridY + j);
			if (cell) {
				cells.push({
					cell: cell,
					originalType: cell.type
				});
				cell.type = 1;
			}
		}
	}
	var blocked = grid.pathFind();
	for (var i = 0; i < cells.length; i++) {
		cells[i].cell.type = cells[i].originalType;
	}
	grid.pathFind();
	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);
		addTowerToPositionMap(tower); // Add to position map for faster lookups
		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;
	}
}
// List of cell numbers where towers cannot be placed
var excludedTowerCells = [1, 2, 41, 42, 63, 64, 85, 86, 107, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 165, 166, 187, 188, 209, 210, 231, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 51, 52, 73, 74, 95, 96, 117, 118, 139, 140, 161, 162, 183, 184, 205, 206, 227, 228, 249, 250, 45, 46, 47, 48, 49, 50, 67, 68, 69, 70, 71, 72, 89, 90, 111, 112, 133, 134, 155, 156, 177, 178, 199, 200, 221, 222, 243, 244, 309, 310, 331, 332, 353, 354, 375, 376, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 429, 430, 451, 452, 473, 474, 495, 496, 517, 518, 539, 540, 519, 520, 521, 522, 523, 524, 525, 526, 541, 542, 543, 544, 545, 546, 547, 548, 569, 570, 591, 592, 605, 606];
game.down = function (x, y, obj) {
	var upgradeMenuVisible = game.children.some(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenuVisible) {
		return;
	}
	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) {
			// Create a clone of the tower for dragging
			dragClone = new Tower(tower.towerType);
			dragClone.x = x;
			dragClone.y = y - CELL_SIZE * 1.5;
			dragClone.alpha = 0.7; // Make it semi-transparent to show it's being dragged
			dragClone.canFire = false; // Prevent drag clones from firing
			game.addChild(dragClone);
			// Hide the tower preview to avoid overlapping with dragClone
			towerPreview.visible = false;
			isDragging = true;
			towerPreview.towerType = tower.towerType;
			towerPreview.updateAppearance();
			// Apply the same offset as in move handler to ensure consistency when starting drag
			towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
			break;
		}
	}
};
game.move = function (x, y, obj) {
	if (isDragging) {
		// Update dragClone position
		if (dragClone) {
			dragClone.x = x;
			dragClone.y = y - CELL_SIZE * 1.5;
		}
		// Update towerPreview position for placement validation but keep it hidden
		towerPreview.snapToGrid(x, y - CELL_SIZE * 1.5);
	}
};
game.up = function (x, y, obj) {
	var clickedOnTower = false;
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		var towerLeft = tower.x - tower.width / 2;
		var towerRight = tower.x + tower.width / 2;
		var towerTop = tower.y - tower.height / 2;
		var towerBottom = tower.y + tower.height / 2;
		if (x >= towerLeft && x <= towerRight && y >= towerTop && y <= towerBottom) {
			clickedOnTower = true;
			break;
		}
	}
	var upgradeMenus = game.children.filter(function (child) {
		return child instanceof UpgradeMenu;
	});
	if (upgradeMenus.length > 0 && !isDragging && !clickedOnTower) {
		var clickedOnMenu = false;
		for (var i = 0; i < upgradeMenus.length; i++) {
			var menu = upgradeMenus[i];
			var menuWidth = 2048;
			var menuHeight = 450;
			var menuLeft = menu.x - menuWidth / 2;
			var menuRight = menu.x + menuWidth / 2;
			var menuTop = menu.y - menuHeight / 2;
			var menuBottom = menu.y + menuHeight / 2;
			if (x >= menuLeft && x <= menuRight && y >= menuTop && y <= menuBottom) {
				clickedOnMenu = true;
				break;
			}
		}
		if (!clickedOnMenu) {
			for (var i = 0; i < upgradeMenus.length; i++) {
				var menu = upgradeMenus[i];
				hideUpgradeMenu(menu);
			}
			for (var i = game.children.length - 1; i >= 0; i--) {
				if (game.children[i].isTowerRange) {
					game.removeChild(game.children[i]);
				}
			}
			// Removed selectedTower clearing and grid render debug to prevent map darkening
		}
	}
	if (isDragging) {
		isDragging = false;
		// Destroy the drag clone
		if (dragClone) {
			dragClone.destroy();
			dragClone = null;
		}
		// Temporarily show towerPreview for placement validation
		towerPreview.visible = true;
		if (towerPreview.canPlace) {
			if (!wouldBlockPath(towerPreview.gridX, towerPreview.gridY)) {
				placeTower(towerPreview.gridX, towerPreview.gridY, towerPreview.towerType);
			} else {
				var notification = game.addChild(new Notification("Tower would block the path!"));
				notification.x = 2048 / 2;
				notification.y = grid.height - 50;
			}
		} else if (towerPreview.blockedByEnemy) {
			var notification = game.addChild(new Notification("Cannot build: Enemy in the way!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		} else {
			var notification = game.addChild(new Notification("Cannot build here!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 50;
		}
		// Hide towerPreview again after placement attempt
		towerPreview.visible = false;
		if (isDragging) {
			var upgradeMenus = game.children.filter(function (child) {
				return child instanceof UpgradeMenu;
			});
			for (var i = 0; i < upgradeMenus.length; i++) {
				upgradeMenus[i].destroy();
			}
		}
	}
};
var waveIndicator = new WaveIndicator();
waveIndicator.x = 2048 / 2;
waveIndicator.y = 2732 - 80;
game.addChild(waveIndicator);
var nestWaveButton = LK.getAsset('nestwave', {
	anchorX: 0.5,
	anchorY: 0.5
});
nestWaveButton.x = 2048 - 312.5; // Move right (was 412.5, now 312.5 - moved 100px right)
nestWaveButton.y = 2732 - 37.5 + 50; // Move down (was -50 offset, now +50 offset - moved 100px down)
nestWaveButton.enabled = false;
nestWaveButton.visible = true;
nestWaveButton.update = function () {
	if (waveIndicator && waveIndicator.gameStarted && currentWave < totalWaves) {
		nestWaveButton.enabled = true;
		nestWaveButton.visible = true;
		tween(nestWaveButton, {
			alpha: 1
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	} else {
		nestWaveButton.enabled = false;
		nestWaveButton.visible = true;
		tween(nestWaveButton, {
			alpha: 1
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	}
};
// nestwave asset is now non-clickable - down method removed
game.addChild(nestWaveButton);
var towerTypes = ['default', 'rapid', 'sniper', 'splash', 'slow', 'poison'];
var sourceTowers = [];
var towerSpacing = 300; // Increase spacing for larger towers
var startX = 2048 / 2 - towerTypes.length * towerSpacing / 2 + towerSpacing / 2;
var towerY = 2732 - CELL_SIZE * 3 - 90;
for (var i = 0; i < towerTypes.length; i++) {
	var tower = new SourceTower(towerTypes[i]);
	tower.x = startX + i * towerSpacing;
	tower.y = towerY;
	towerLayer.addChild(tower);
	sourceTowers.push(tower);
}
sourceTower = null;
enemiesToSpawn = 10;
// Position pared1 asset at bottom left
var pared1Asset = LK.getAsset('pared1', {
	anchorX: 0,
	anchorY: 1
});
pared1Asset.x = 0;
pared1Asset.y = 2732;
game.addChild(pared1Asset);
// Position pared3 asset at top center
var pared3Asset = LK.getAsset('pared3', {
	anchorX: 0.5,
	anchorY: 0
});
pared3Asset.x = 2048 / 2; // Center horizontally
pared3Asset.y = 0; // Top of screen
game.addChild(pared3Asset);
// Position pared2 asset at bottom right and make it act as nextwave button
// Create health bar at bottom left
var healthBarOutlineUI = LK.getAsset('healthBarOutline', {
	anchorX: 0,
	anchorY: 1
});
healthBarOutlineUI.x = 100; // 100px from left edge
healthBarOutlineUI.y = 2732 - 50; // 50px from bottom
healthBarOutlineUI.width = 450; // Make it much wider for better visibility
healthBarOutlineUI.height = 65; // Make it much taller
game.addChild(healthBarOutlineUI);
var healthBarBGUI = LK.getAsset('healthBar', {
	anchorX: 0,
	anchorY: 1
});
healthBarBGUI.x = 102; // Slight offset from outline
healthBarBGUI.y = 2732 - 52; // Slight offset from outline
healthBarBGUI.width = 446; // Slightly smaller than outline
healthBarBGUI.height = 61; // Slightly smaller than outline
healthBarBGUI.tint = 0xff0000; // Red background
game.addChild(healthBarBGUI);
var healthBarFillUI = LK.getAsset('healthBar', {
	anchorX: 0,
	anchorY: 1
});
healthBarFillUI.x = 102; // Same as background
healthBarFillUI.y = 2732 - 52; // Same as background
healthBarFillUI.width = 446; // Full width initially
healthBarFillUI.height = 61; // Same as background
healthBarFillUI.tint = 0x00ff00; // Green fill
game.addChild(healthBarFillUI);
// Function to update health bar
function updateHealthBar() {
	var healthPercentage = lives / 20; // Assuming max lives is 20
	healthBarFillUI.width = 446 * healthPercentage;
}
// Initialize health bar display after UI elements are created
updateHealthBar();
var pared2Asset = LK.getAsset('pared2', {
	anchorX: 1,
	anchorY: 1
});
pared2Asset.x = 2048 - 350; // Move 350 pixels to the left
pared2Asset.y = 2732 - 20; // Move 20 pixels up
pared2Asset.enabled = false;
pared2Asset.visible = false;
pared2Asset.update = function () {
	if (waveIndicator && waveIndicator.gameStarted && currentWave < totalWaves) {
		pared2Asset.enabled = true;
		pared2Asset.visible = true;
		pared2Asset.alpha = 1;
	} else if (waveIndicator && waveIndicator.gameStarted) {
		pared2Asset.enabled = false;
		pared2Asset.visible = true;
		pared2Asset.alpha = 0.7;
	} else {
		pared2Asset.enabled = false;
		pared2Asset.visible = false;
		pared2Asset.alpha = 0.7;
	}
};
pared2Asset.down = function () {
	if (!pared2Asset.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;
	}
};
game.addChild(pared2Asset);
game.update = function () {
	frameCounter++;
	frameStartTime = Date.now(); // Track frame start time for performance monitoring
	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;
			}
			// Spawn the appropriate number of enemies
			for (var i = 0; i < enemyCount; i++) {
				var enemy = new Enemy(waveType);
				// Add enemy to the appropriate layer based on type
				if (enemy.isFlying) {
					// Add flying enemy to the top layer
					enemyLayerTop.addChild(enemy);
					// If it's a flying enemy, add its shadow to the middle layer
					if (enemy.shadow) {
						enemyLayerMiddle.addChild(enemy.shadow);
					}
				} else {
					// Add normal/ground enemies to the bottom layer
					enemyLayerBottom.addChild(enemy);
				}
				// Scale difficulty with wave number but don't apply to boss
				// as bosses already have their health multiplier
				// Use exponential scaling for health
				var healthMultiplier = Math.pow(1.12, currentWave); // ~20% increase per wave
				enemy.maxHealth = Math.round(enemy.maxHealth * healthMultiplier);
				enemy.health = enemy.maxHealth;
				// Increment speed slightly with wave number
				//enemy.speed = enemy.speed + currentWave * 0.002;
				// All enemy types now spawn in the middle 6 tiles at the top spacing
				var gridWidth = 24;
				var midPoint = Math.floor(gridWidth / 2); // 12
				// Find a column that isn't occupied by another enemy that's not yet in view
				var availableColumns = [];
				for (var col = midPoint - 3; col < midPoint + 3; col++) {
					var columnOccupied = false;
					// Check if any enemy is already in this column but not yet in view
					for (var e = 0; e < enemies.length; e++) {
						if (enemies[e].cellX === col && enemies[e].currentCellY < 4) {
							columnOccupied = true;
							break;
						}
					}
					if (!columnOccupied) {
						availableColumns.push(col);
					}
				}
				// If all columns are occupied, use original random method
				var spawnX;
				if (availableColumns.length > 0) {
					// Choose a random unoccupied column
					spawnX = availableColumns[Math.floor(Math.random() * availableColumns.length)];
				} else {
					// Fallback to random if all columns are occupied
					spawnX = midPoint - 3 + Math.floor(Math.random() * 6); // x from 9 to 14
				}
				var spawnY = -1 - Math.random() * 5; // Random distance above the grid for spreading
				enemy.cellX = spawnX;
				enemy.cellY = 5; // Position after entry
				enemy.currentCellX = spawnX;
				enemy.currentCellY = spawnY;
				enemy.waveNumber = currentWave;
				enemies.push(enemy);
			}
		}
		var currentWaveEnemiesRemaining = false;
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i].waveNumber === currentWave) {
				currentWaveEnemiesRemaining = true;
				break;
			}
		}
		if (waveSpawned && !currentWaveEnemiesRemaining) {
			waveInProgress = false;
			waveSpawned = false;
		}
	}
	// Update enemy spatial indexing for faster tower targeting
	function updateEnemySpatialIndex() {
		// Clear existing index every few frames to avoid stale data
		if (frameCounter % 10 === 0) {
			enemiesByCell = {};
		}
		// Update spatial index for enemies that have moved
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			if (enemy.lastIndexedCellX !== enemy.cellX || enemy.lastIndexedCellY !== enemy.cellY) {
				// Remove from old cell
				if (enemy.lastIndexedCellX !== undefined) {
					removeEnemyFromCell(enemy, enemy.lastIndexedCellX, enemy.lastIndexedCellY);
				}
				// Add to new cell
				addEnemyToCell(enemy);
				enemy.lastIndexedCellX = enemy.cellX;
				enemy.lastIndexedCellY = enemy.cellY;
			}
		}
	}
	updateEnemySpatialIndex();
	// Optimized enemy processing - process dead enemies first, then living enemies in smaller batches
	var deadEnemies = [];
	var livingEnemies = [];
	// Separate dead and living enemies to avoid expensive operations during iteration
	for (var i = 0; i < enemies.length; i++) {
		if (enemies[i].health <= 0) {
			deadEnemies.push(enemies[i]);
		} else {
			livingEnemies.push(enemies[i]);
		}
	}
	// Process all dead enemies immediately
	for (var d = 0; d < deadEnemies.length; d++) {
		var enemy = deadEnemies[d];
		// Clear bullet references efficiently
		var bulletTargets = enemy.bulletsTargetingThis;
		for (var i = 0; i < bulletTargets.length; i++) {
			bulletTargets[i].targetEnemy = null;
		}
		bulletTargets.length = 0; // Clear array efficiently
		// Calculate rewards
		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);
		var scoreValue = enemy.isBoss ? 100 : 5;
		score += scoreValue;
		if (enemy.isBoss) {
			var notification = game.addChild(new Notification("Boss defeated! +" + goldEarned + " gold!"));
			notification.x = 2048 / 2;
			notification.y = grid.height - 150;
		}
		// Clean up graphics
		if (enemy.isFlying && enemy.shadow) {
			enemyLayerMiddle.removeChild(enemy.shadow);
			enemy.shadow = null;
		}
		if (enemy.isFlying) {
			enemyLayerTop.removeChild(enemy);
		} else {
			enemyLayerBottom.removeChild(enemy);
		}
		// Try to return to pool
		if (!returnEnemyToPool(enemy)) {
			enemy.destroy();
		}
		// Remove from main enemies array
		var enemyIndex = enemies.indexOf(enemy);
		if (enemyIndex !== -1) {
			enemies.splice(enemyIndex, 1);
		}
	}
	// Update UI once after processing all dead enemies
	if (deadEnemies.length > 0) {
		updateUICached();
	}
	// Process living enemies in smaller, more efficient batches
	var maxEnemiesPerFrame = Math.min(8, Math.ceil(livingEnemies.length / 4));
	var batchStart = frameCounter * maxEnemiesPerFrame % livingEnemies.length;
	var batchEnd = Math.min(batchStart + maxEnemiesPerFrame, livingEnemies.length);
	// Always process critical enemies (low health, bosses, or newly spawned)
	for (var i = 0; i < livingEnemies.length; i++) {
		var enemy = livingEnemies[i];
		var isCritical = enemy.isBoss || enemy.health < enemy.maxHealth * 0.3 || enemy.currentCellY < 5;
		var isInBatch = i >= batchStart && i < batchEnd;
		if (isCritical || isInBatch) {
			if (grid.updateEnemy(enemy)) {
				// Enemy reached goal - handle cleanup
				if (enemy.isFlying && enemy.shadow) {
					enemyLayerMiddle.removeChild(enemy.shadow);
					enemy.shadow = null;
				}
				if (enemy.isFlying) {
					enemyLayerTop.removeChild(enemy);
				} else {
					enemyLayerBottom.removeChild(enemy);
				}
				// Try to return to pool
				if (!returnEnemyToPool(enemy)) {
					enemy.destroy();
				}
				var mainIndex = enemies.indexOf(enemy);
				if (mainIndex !== -1) {
					enemies.splice(mainIndex, 1);
				}
				lives = Math.max(0, lives - 1);
				updateUICached();
				if (lives <= 0) {
					LK.showGameOver();
				}
			}
		}
	}
	// Optimized bullet cleanup with better pooling and batch processing
	if (frameCounter % 3 === 0) {
		// More frequent cleanup for better performance
		var bulletsToRemove = [];
		var maxBulletProcessing = Math.min(20, bullets.length); // Limit processing per frame
		// First pass: identify bullets to remove (limit checks per frame)
		for (var i = 0; i < maxBulletProcessing; i++) {
			var bulletIndex = (frameCounter + i) % bullets.length; // Rotate through bullets
			if (bulletIndex < bullets.length && !bullets[bulletIndex].parent) {
				bulletsToRemove.push(bulletIndex);
			}
		}
		// Second pass: remove bullets in reverse order to maintain indices
		bulletsToRemove.sort(function (a, b) {
			return b - a;
		}); // Sort descending
		for (var r = 0; r < bulletsToRemove.length; r++) {
			var bulletIndex = bulletsToRemove[r];
			var bullet = bullets[bulletIndex];
			// Clear target references efficiently
			if (bullet.targetEnemy && bullet.targetEnemy.bulletsTargetingThis) {
				var targetBullets = bullet.targetEnemy.bulletsTargetingThis;
				var targetIndex = targetBullets.indexOf(bullet);
				if (targetIndex !== -1) {
					targetBullets.splice(targetIndex, 1);
				}
			}
			// Always try to return to pool first for better performance
			if (!returnBulletToPool(bullet)) {
				bullet.destroy();
			}
			// Remove from bullets array
			bullets.splice(bulletIndex, 1);
		}
		// Periodic bullet array cleanup to remove null entries
		if (frameCounter % 60 === 0) {
			bullets = bullets.filter(function (bullet) {
				return bullet && bullet.parent;
			});
		}
	}
	if (towerPreview.visible) {
		towerPreview.checkPlacement();
	}
	if (currentWave >= totalWaves && enemies.length === 0 && !waveInProgress) {
		LK.showYouWin();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -2083,224 +2083,174 @@
 		}
 		return false;
 	};
 	self.findTarget = function () {
-		var closestEnemy = null;
-		var closestScore = Infinity;
-		// Early exit if no enemies
+		// Early exit if no enemies or recently found target is still valid
 		if (enemies.length === 0) {
 			return null;
 		}
+		// Cache target for a few frames to reduce expensive calculations
+		if (self._cachedTarget && self._targetCacheFrame && LK.ticks - self._targetCacheFrame < 3 && self._cachedTarget.parent && self._cachedTarget.health > 0) {
+			return self._cachedTarget;
+		}
+		var closestEnemy = null;
+		var closestScore = Infinity;
+		var maxChecks = 20; // Limit checks per frame for performance
+		var checksPerformed = 0;
 		// Use cached covered cells for better performance
 		if (!self._cachedCoveredCells || self._cellCacheFrame !== LK.ticks) {
 			self._cachedCoveredCells = self.getCoveredCells();
 			self._cellCacheFrame = LK.ticks;
 		}
 		var coveredCells = self._cachedCoveredCells;
-		// Check enemies in covered cells only - with optimized lookup
-		for (var c = 0; c < coveredCells.length; c++) {
+		// Check enemies in covered cells only - with optimized lookup and early exit
+		for (var c = 0; c < coveredCells.length && checksPerformed < maxChecks; c++) {
 			var cellInfo = coveredCells[c];
-			var cellX = cellInfo.x;
-			var cellY = cellInfo.y;
-			// Use spatial indexing to find enemies faster
-			var cellKey = cellX + "," + cellY;
+			var cellKey = cellInfo.x + "," + cellInfo.y;
 			var cellEnemies = enemiesByCell[cellKey];
-			if (cellEnemies) {
-				// Check only enemies in this specific cell
-				for (var i = 0; i < cellEnemies.length; i++) {
+			if (cellEnemies && cellEnemies.length > 0) {
+				// Process up to 3 enemies per cell to avoid frame drops
+				var enemiesToCheck = Math.min(3, cellEnemies.length);
+				for (var i = 0; i < enemiesToCheck && checksPerformed < maxChecks; i++) {
 					var enemy = cellEnemies[i];
-					// Verify enemy is still in expected position (enemies move)
-					if (enemy.cellX !== cellX || enemy.cellY !== cellY) {
+					checksPerformed++;
+					// Skip if enemy is dead or invalid
+					if (!enemy.parent || enemy.health <= 0) {
 						continue;
 					}
-					// Handle flying enemies differently - they can be targeted regardless of path
+					var score;
 					if (enemy.isFlying) {
-						// For flying enemies, prioritize by distance to the goal
+						// For flying enemies, use distance to goal (squared for performance)
 						if (enemy.flyingTarget) {
-							var goalX = enemy.flyingTarget.x;
-							var goalY = enemy.flyingTarget.y;
-							var distToGoalSquared = (goalX - enemy.cellX) * (goalX - enemy.cellX) + (goalY - enemy.cellY) * (goalY - enemy.cellY);
-							// Use squared distance to goal as score
-							if (distToGoalSquared < closestScore) {
-								closestScore = distToGoalSquared;
-								closestEnemy = enemy;
-							}
+							var dx = enemy.flyingTarget.x - enemy.cellX;
+							var dy = enemy.flyingTarget.y - enemy.cellY;
+							score = dx * dx + dy * dy;
 						} else {
-							// If no flying target yet (shouldn't happen), prioritize by cell distance to tower
+							// Fallback to distance from tower
 							var dx = enemy.cellX - (self.gridX + 1);
 							var dy = enemy.cellY - (self.gridY + 1);
-							var cellDistanceSquared = dx * dx + dy * dy;
-							if (cellDistanceSquared < closestScore) {
-								closestScore = cellDistanceSquared;
-								closestEnemy = enemy;
-							}
+							score = dx * dx + dy * dy;
 						}
 					} else {
-						// For ground enemies, use the original path-based targeting
-						// Get the cell for this enemy
+						// For ground enemies, use path-based score
 						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;
-							}
+							score = cell.score; // Lower score = closer to exit
+						} else {
+							continue; // Skip invalid enemies
 						}
 					}
+					// Update closest enemy if this one is better
+					if (score < closestScore) {
+						closestScore = score;
+						closestEnemy = enemy;
+						// Early exit for very close enemies
+						if (score < 100) {
+							break;
+						}
+					}
 				}
 			}
 		}
+		// Cache the result for a few frames
+		self._cachedTarget = closestEnemy;
+		self._targetCacheFrame = LK.ticks;
 		if (!closestEnemy) {
 			self.targetEnemy = null;
 		}
 		return closestEnemy;
 	};
 	self.update = function () {
-		// Check if we need to update target due to enemy movement events
-		if (!self.needsTargetUpdate) self.needsTargetUpdate = false;
-		// Check for enemy entry/exit events in our range cells
-		for (var i = 0; i < self.cellsInRange.length; i++) {
-			var cell = self.cellsInRange[i];
-			if (cell.enemyEntered && cell.enemyEntered.length > 0) {
-				self.needsTargetUpdate = true;
-				cell.enemyEntered = []; // Clear the event list
+		// Reduce update frequency for better performance
+		var shouldFullUpdate = LK.ticks % 3 === 0; // Update every 3 frames instead of every frame
+		// Only check for enemy events when doing full updates
+		if (shouldFullUpdate) {
+			// Check for enemy entry/exit events in our range cells
+			var hasEnemyEvents = false;
+			for (var i = 0; i < self.cellsInRange.length; i++) {
+				var cell = self.cellsInRange[i];
+				if (cell.enemyEntered && cell.enemyEntered.length > 0) {
+					hasEnemyEvents = true;
+					cell.enemyEntered = []; // Clear the event list
+				}
+				if (cell.enemyLeft && cell.enemyLeft.length > 0) {
+					hasEnemyEvents = true;
+					cell.enemyLeft = []; // Clear the event list
+				}
 			}
-			if (cell.enemyLeft && cell.enemyLeft.length > 0) {
-				self.needsTargetUpdate = true;
-				cell.enemyLeft = []; // Clear the event list
+			// Update target if there are enemy events or no current target
+			if (hasEnemyEvents || !self.targetEnemy || !self.targetEnemy.parent || self.targetEnemy.health <= 0) {
+				self.targetEnemy = self.findTarget();
 			}
 		}
-		// Only find targets when needed (enemy events or no current target or ready to fire)
-		if (self.needsTargetUpdate || !self.targetEnemy || LK.ticks - self.lastFired >= self.fireRate) {
-			self.targetEnemy = self.findTarget();
-			self.needsTargetUpdate = false;
-		}
-		if (self.targetEnemy && self.canFire && LK.ticks - self.lastFired >= self.fireRate) {
-			// Skip rotation for default tower and slow tower since they fire in all directions
+		// Check if ready to fire
+		var readyToFire = self.canFire && LK.ticks - self.lastFired >= self.fireRate;
+		if (self.targetEnemy && self.targetEnemy.health > 0 && readyToFire) {
+			// Handle rotation and sprite changes only for towers that need it
 			if (self.id !== 'default' && self.id !== 'slow') {
 				var dx = self.targetEnemy.x - self.x;
 				var dy = self.targetEnemy.y - self.y;
 				var angle = Math.atan2(dy, dx);
-				gunContainer.rotation = angle;
-				// For rapid tower, change sprite based on firing direction
-				if (self.id === 'rapid') {
-					var gunGraphics = gunContainer.children[0];
-					if (gunGraphics) {
-						// If firing to the left (angle between PI/2 and 3*PI/2, or -PI/2 and -3*PI/2)
-						var normalizedAngle = angle;
-						while (normalizedAngle > Math.PI) normalizedAngle -= 2 * Math.PI;
-						while (normalizedAngle < -Math.PI) normalizedAngle += 2 * Math.PI;
-						if (Math.abs(normalizedAngle) > Math.PI / 2) {
-							// Firing left - use rapid2 sprite
-							if (gunGraphics.currentAsset !== 'rapid2') {
-								gunContainer.removeChild(gunGraphics);
-								gunGraphics = gunContainer.attachAsset('rapid2', {
-									anchorX: 0.5,
-									anchorY: 0.5
-								});
-								gunGraphics.currentAsset = 'rapid2';
-							}
-						} else {
-							// Firing right - use tower_rapid sprite
-							if (gunGraphics.currentAsset !== 'tower_rapid') {
-								gunContainer.removeChild(gunGraphics);
-								gunGraphics = gunContainer.attachAsset('tower_rapid', {
-									anchorX: 0.5,
-									anchorY: 0.5
-								});
-								gunGraphics.currentAsset = 'tower_rapid';
-							}
-						}
-					}
+				// Only update rotation if significantly different (avoid micro-adjustments)
+				if (Math.abs(gunContainer.rotation - angle) > 0.1) {
+					gunContainer.rotation = angle;
 				}
-				// For poison tower, change sprite based on firing direction
-				if (self.id === 'poison') {
-					var gunGraphics = gunContainer.children[0];
-					if (gunGraphics) {
-						// If firing to the left (angle between PI/2 and 3*PI/2, or -PI/2 and -3*PI/2)
-						var normalizedAngle = angle;
-						while (normalizedAngle > Math.PI) normalizedAngle -= 2 * Math.PI;
-						while (normalizedAngle < -Math.PI) normalizedAngle += 2 * Math.PI;
-						if (Math.abs(normalizedAngle) > Math.PI / 2) {
-							// Firing left - use magodehielo sprite
-							if (gunGraphics.currentAsset !== 'magodehielo') {
-								gunContainer.removeChild(gunGraphics);
-								gunGraphics = gunContainer.attachAsset('magodehielo', {
-									anchorX: 0.5,
-									anchorY: 0.5
-								});
-								gunGraphics.currentAsset = 'magodehielo';
-							}
-						} else {
-							// Firing right - use tower_poison sprite
-							if (gunGraphics.currentAsset !== 'tower_poison') {
-								gunContainer.removeChild(gunGraphics);
-								gunGraphics = gunContainer.attachAsset('tower_poison', {
-									anchorX: 0.5,
-									anchorY: 0.5
-								});
-								gunGraphics.currentAsset = 'tower_poison';
-							}
-						}
+				// Optimized sprite switching - cache current asset to avoid unnecessary changes
+				var gunGraphics = gunContainer.children[0];
+				if (gunGraphics && (self.id === 'rapid' || self.id === 'poison')) {
+					var normalizedAngle = angle;
+					while (normalizedAngle > Math.PI) normalizedAngle -= 2 * Math.PI;
+					while (normalizedAngle < -Math.PI) normalizedAngle += 2 * Math.PI;
+					var shouldUseFlipper = Math.abs(normalizedAngle) > Math.PI / 2;
+					var desiredAsset;
+					if (self.id === 'rapid') {
+						desiredAsset = shouldUseFlipper ? 'rapid2' : 'tower_rapid';
+					} else if (self.id === 'poison') {
+						desiredAsset = shouldUseFlipper ? 'magodehielo' : 'tower_poison';
 					}
+					// Only change sprite if necessary
+					if (gunGraphics.currentAsset !== desiredAsset) {
+						gunContainer.removeChild(gunGraphics);
+						gunGraphics = gunContainer.attachAsset(desiredAsset, {
+							anchorX: 0.5,
+							anchorY: 0.5
+						});
+						gunGraphics.currentAsset = desiredAsset;
+					}
 				}
 			}
-			// Fire at target if conditions are met
-			if (self.targetEnemy && self.canFire && LK.ticks - self.lastFired >= self.fireRate) {
-				self.fire();
-				self.lastFired = LK.ticks;
-			}
-		} else if (self.id === 'rapid') {
-			// When rapid tower stops firing, reset rotation to 0° and sprite to tower_rapid
-			var gunGraphics = gunContainer.children[0];
-			if (gunGraphics) {
-				// Reset sprite to tower_rapid
-				if (gunGraphics.currentAsset !== 'tower_rapid') {
-					gunContainer.removeChild(gunGraphics);
-					gunGraphics = gunContainer.attachAsset('tower_rapid', {
-						anchorX: 0.5,
-						anchorY: 0.5
-					});
-					gunGraphics.currentAsset = 'tower_rapid';
+			// Fire at target
+			self.fire();
+			self.lastFired = LK.ticks;
+		} else if (!self.targetEnemy && shouldFullUpdate) {
+			// Reset towers that change sprites when not firing (less frequent updates)
+			if (self.id === 'rapid' || self.id === 'poison') {
+				var gunGraphics = gunContainer.children[0];
+				if (gunGraphics) {
+					var defaultAsset = self.id === 'rapid' ? 'tower_rapid' : 'tower_poison';
+					if (gunGraphics.currentAsset !== defaultAsset) {
+						gunContainer.removeChild(gunGraphics);
+						gunGraphics = gunContainer.attachAsset(defaultAsset, {
+							anchorX: 0.5,
+							anchorY: 0.5
+						});
+						gunGraphics.currentAsset = defaultAsset;
+					}
 				}
-			}
-			// Smoothly rotate back to 0°
-			tween.stop(gunContainer, {
-				rotation: true
-			});
-			tween(gunContainer, {
-				rotation: 0
-			}, {
-				duration: 300,
-				easing: tween.easeOut
-			});
-		} else if (self.id === 'poison') {
-			// When poison tower stops firing, reset rotation to 0° and sprite to tower_poison
-			var gunGraphics = gunContainer.children[0];
-			if (gunGraphics) {
-				// Reset sprite to tower_poison
-				if (gunGraphics.currentAsset !== 'tower_poison') {
-					gunContainer.removeChild(gunGraphics);
-					gunGraphics = gunContainer.attachAsset('tower_poison', {
-						anchorX: 0.5,
-						anchorY: 0.5
+				// Smoothly rotate back to 0° but less frequently
+				if (Math.abs(gunContainer.rotation) > 0.05 && !gunContainer._isResetting) {
+					gunContainer._isResetting = true;
+					tween(gunContainer, {
+						rotation: 0
+					}, {
+						duration: 200,
+						easing: tween.easeOut,
+						onFinish: function onFinish() {
+							gunContainer._isResetting = false;
+						}
 					});
-					gunGraphics.currentAsset = 'tower_poison';
 				}
 			}
-			// Smoothly rotate back to 0°
-			tween.stop(gunContainer, {
-				rotation: true
-			});
-			tween(gunContainer, {
-				rotation: 0
-			}, {
-				duration: 300,
-				easing: tween.easeOut
-			});
-		} else if (self.id === 'slow') {
-			// Slow tower never rotates or changes, do nothing
 		}
 	};
 	self.down = function (x, y, obj) {
 		var existingMenus = game.children.filter(function (child) {
@@ -2380,236 +2330,165 @@
 		return false;
 	};
 	self.fire = function () {
 		if (self.id === 'default' && self.targetEnemy) {
-			// Default tower shoots in 8 directions (visual only)
-			var directions = [{
-				x: 0,
-				y: -1
-			},
-			// up
-			{
-				x: 0,
-				y: 1
-			},
-			// down
-			{
-				x: -1,
-				y: 0
-			},
-			// left
-			{
-				x: 1,
-				y: 0
-			},
-			// right
-			{
-				x: 1,
-				y: -1
-			},
-			// up+right
-			{
-				x: -1,
-				y: -1
-			},
-			// up+left
-			{
-				x: 1,
-				y: 1
-			},
-			// down+right
-			{
-				x: -1,
-				y: 1
-			} // down+left
-			];
-			var spawnDistance = 40; // Distance from tower center to spawn bullets
-			for (var dir = 0; dir < directions.length; dir++) {
-				var direction = directions[dir];
-				// Calculate spawn position based on the direction the bullet will travel
-				var angle = Math.atan2(direction.y, direction.x);
-				var bulletX = self.x + Math.cos(angle) * spawnDistance;
-				var bulletY = self.y + Math.sin(angle) * spawnDistance;
-				var bullet = new FlowerBullet(bulletX, bulletY, direction, self.damage, self.bulletSpeed);
-				bullet.type = self.id;
-				bullet.sourceRange = self.getRange(); // Pass the tower's range to the bullet
-				game.addChild(bullet);
-				bullets.push(bullet);
-			}
-			// Deal damage to up to 10 enemies in range (area damage)
-			var enemiesInRange = [];
-			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.getRange()) {
-					enemiesInRange.push({
-						enemy: enemy,
-						distance: distance
-					});
+			// Optimized default tower - direct area damage instead of visual bullets
+			var coveredCells = self._cachedCoveredCells || self.getCoveredCells();
+			var maxEnemies = 10;
+			var enemiesHit = 0;
+			// Use spatial indexing for faster enemy lookup
+			for (var c = 0; c < coveredCells.length && enemiesHit < maxEnemies; c++) {
+				var cellInfo = coveredCells[c];
+				var cellKey = cellInfo.x + "," + cellInfo.y;
+				var cellEnemies = enemiesByCell[cellKey];
+				if (cellEnemies) {
+					for (var i = 0; i < cellEnemies.length && enemiesHit < maxEnemies; i++) {
+						var enemy = cellEnemies[i];
+						if (enemy.health > 0) {
+							enemy.health -= self.damage;
+							if (enemy.health <= 0) {
+								enemy.health = 0;
+							} else {
+								enemy.healthBar.width = enemy.health / enemy.maxHealth * 70;
+							}
+							enemiesHit++;
+						}
+					}
 				}
 			}
-			// Sort enemies by distance and take only the closest 10
-			enemiesInRange.sort(function (a, b) {
-				return a.distance - b.distance;
-			});
-			var maxEnemies = Math.min(10, enemiesInRange.length);
-			for (var i = 0; i < maxEnemies; i++) {
-				var enemy = enemiesInRange[i].enemy;
-				// Apply damage to enemy
-				enemy.health -= self.damage;
-				if (enemy.health <= 0) {
-					enemy.health = 0;
-				} else {
-					enemy.healthBar.width = enemy.health / enemy.maxHealth * 70;
-				}
+			// Simplified fire animation for default tower
+			if (!self._isAnimating) {
+				self._isAnimating = true;
+				tween(self, {
+					scaleX: 0.85,
+					scaleY: 0.85
+				}, {
+					duration: 60,
+					easing: tween.easeOut,
+					onFinish: function onFinish() {
+						tween(self, {
+							scaleX: 1.0,
+							scaleY: 1.0
+						}, {
+							duration: 100,
+							easing: tween.easeOut,
+							onFinish: function onFinish() {
+								self._isAnimating = false;
+							}
+						});
+					}
+				});
 			}
-			// --- Fire animation for default tower ---
-			// Default tower gets a scaling animation instead of recoil
-			tween.stop(self, {
-				scaleX: true,
-				scaleY: true
-			});
-			// Animate scale down then back up
-			tween(self, {
-				scaleX: 0.8,
-				scaleY: 0.8
-			}, {
-				duration: 80,
-				easing: tween.easeOut,
-				onFinish: function onFinish() {
-					// Animate return to original size
-					tween(self, {
-						scaleX: 1.0,
-						scaleY: 1.0
-					}, {
-						duration: 120,
-						easing: tween.easeOut
-					});
-				}
-			});
-		} else if (self.targetEnemy) {
+		} else if (self.targetEnemy && self.targetEnemy.health > 0) {
+			// Check if target already has enough damage incoming to kill it
 			var potentialDamage = 0;
 			var targetBullets = self.targetEnemy.bulletsTargetingThis;
 			for (var i = 0; i < targetBullets.length; i++) {
-				potentialDamage += targetBullets[i].damage;
+				if (targetBullets[i].parent) {
+					// Only count active bullets
+					potentialDamage += targetBullets[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;
 				// Use pooled bullet for better performance
 				var bullet = getBulletFromPool(bulletX, bulletY, self.targetEnemy, self.damage, self.bulletSpeed);
-				// Set bullet type and properties
 				bullet.type = self.id;
-				if (self.id === 'slow') {
+				// Set tower-specific properties efficiently
+				if (self.id === 'slow' || self.id === 'poison') {
 					bullet.sourceTowerLevel = self.level;
 				}
-				if (self.id === 'poison') {
-					bullet.sourceTowerLevel = self.level;
-				}
-				// Optimize bullet appearance setup - only modify if needed
+				// Pre-configure bullet graphics based on type to avoid runtime checks
 				var bulletGraphics = bullet.children[0];
-				switch (self.id) {
-					case 'rapid':
-						if (bulletGraphics.tint !== 0x00AAFF) bulletGraphics.tint = 0x00AAFF;
-						if (bulletGraphics.width !== 20) bulletGraphics.width = 20;
-						if (bulletGraphics.height !== 20) bulletGraphics.height = 20;
-						break;
-					case 'sniper':
-						if (bulletGraphics.tint !== 0xFF5500) bulletGraphics.tint = 0xFF5500;
-						if (bulletGraphics.width !== 15) bulletGraphics.width = 15;
-						if (bulletGraphics.height !== 15) bulletGraphics.height = 15;
-						break;
-					case 'splash':
-						// Only recreate graphics if not already splash type
-						if (!bullet._isSplashBullet) {
-							bullet.removeChild(bulletGraphics);
-							var bolaGraphics = bullet.attachAsset('bola', {
-								anchorX: 0.5,
-								anchorY: 0.5
-							});
-							bolaGraphics.width = 40;
-							bolaGraphics.height = 40;
-							bullet._isSplashBullet = true;
-						}
-						break;
-					case 'slow':
-						if (bulletGraphics.tint !== 0x9900FF) bulletGraphics.tint = 0x9900FF;
-						if (bulletGraphics.width !== 35) bulletGraphics.width = 35;
-						if (bulletGraphics.height !== 35) bulletGraphics.height = 35;
-						break;
-					case 'poison':
-						// Only recreate graphics if not already poison type
-						if (!bullet._isPoisonBullet) {
-							bullet.removeChild(bulletGraphics);
-							var boladeHieloGraphics = bullet.attachAsset('boladehielo', {
-								anchorX: 0.5,
-								anchorY: 0.5
-							});
-							boladeHieloGraphics.width = 35;
-							boladeHieloGraphics.height = 35;
-							bullet._isPoisonBullet = true;
-						}
-						break;
-					default:
-						// Reset tint for default bullets
-						if (bulletGraphics.tint !== 0xFFFFFF) bulletGraphics.tint = 0xFFFFFF;
-						if (bulletGraphics.width !== 30) bulletGraphics.width = 30;
-						if (bulletGraphics.height !== 30) bulletGraphics.height = 30;
-						break;
+				if (!bullet._configuredType || bullet._configuredType !== self.id) {
+					switch (self.id) {
+						case 'rapid':
+							bulletGraphics.tint = 0x00AAFF;
+							bulletGraphics.width = 20;
+							bulletGraphics.height = 20;
+							bullet._isSplashBullet = false;
+							bullet._isPoisonBullet = false;
+							break;
+						case 'sniper':
+							bulletGraphics.tint = 0xFF5500;
+							bulletGraphics.width = 15;
+							bulletGraphics.height = 15;
+							bullet._isSplashBullet = false;
+							bullet._isPoisonBullet = false;
+							break;
+						case 'splash':
+							if (!bullet._isSplashBullet) {
+								bullet.removeChild(bulletGraphics);
+								bulletGraphics = bullet.attachAsset('bola', {
+									anchorX: 0.5,
+									anchorY: 0.5
+								});
+								bulletGraphics.width = 40;
+								bulletGraphics.height = 40;
+								bullet._isSplashBullet = true;
+								bullet._isPoisonBullet = false;
+							}
+							break;
+						case 'slow':
+							bulletGraphics.tint = 0x9900FF;
+							bulletGraphics.width = 35;
+							bulletGraphics.height = 35;
+							bullet._isSplashBullet = false;
+							bullet._isPoisonBullet = false;
+							break;
+						case 'poison':
+							if (!bullet._isPoisonBullet) {
+								bullet.removeChild(bulletGraphics);
+								bulletGraphics = bullet.attachAsset('boladehielo', {
+									anchorX: 0.5,
+									anchorY: 0.5
+								});
+								bulletGraphics.width = 35;
+								bulletGraphics.height = 35;
+								bullet._isPoisonBullet = true;
+								bullet._isSplashBullet = false;
+							}
+							break;
+						default:
+							bulletGraphics.tint = 0xFFFFFF;
+							bulletGraphics.width = 30;
+							bulletGraphics.height = 30;
+							bullet._isSplashBullet = false;
+							bullet._isPoisonBullet = false;
+							break;
+					}
+					bullet._configuredType = self.id;
 				}
 				game.addChild(bullet);
 				bullets.push(bullet);
 				targetBullets.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;
+				// Optimized recoil animation - only if not already animating
+				if (!gunContainer._isRecoiling) {
+					gunContainer._isRecoiling = true;
+					var recoilDistance = 6;
+					var recoilX = -Math.cos(gunContainer.rotation) * recoilDistance;
+					var recoilY = -Math.sin(gunContainer.rotation) * recoilDistance;
+					tween(gunContainer, {
+						x: recoilX,
+						y: recoilY
+					}, {
+						duration: 40,
+						easing: tween.cubicOut,
+						onFinish: function onFinish() {
+							tween(gunContainer, {
+								x: 0,
+								y: 0
+							}, {
+								duration: 60,
+								easing: tween.cubicIn,
+								onFinish: function onFinish() {
+									gunContainer._isRecoiling = false;
+								}
+							});
+						}
+					});
 				}
-				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) {
@@ -4264,8 +4143,30 @@
 			waveInProgress = false;
 			waveSpawned = false;
 		}
 	}
+	// Update enemy spatial indexing for faster tower targeting
+	function updateEnemySpatialIndex() {
+		// Clear existing index every few frames to avoid stale data
+		if (frameCounter % 10 === 0) {
+			enemiesByCell = {};
+		}
+		// Update spatial index for enemies that have moved
+		for (var i = 0; i < enemies.length; i++) {
+			var enemy = enemies[i];
+			if (enemy.lastIndexedCellX !== enemy.cellX || enemy.lastIndexedCellY !== enemy.cellY) {
+				// Remove from old cell
+				if (enemy.lastIndexedCellX !== undefined) {
+					removeEnemyFromCell(enemy, enemy.lastIndexedCellX, enemy.lastIndexedCellY);
+				}
+				// Add to new cell
+				addEnemyToCell(enemy);
+				enemy.lastIndexedCellX = enemy.cellX;
+				enemy.lastIndexedCellY = enemy.cellY;
+			}
+		}
+	}
+	updateEnemySpatialIndex();
 	// Optimized enemy processing - process dead enemies first, then living enemies in smaller batches
 	var deadEnemies = [];
 	var livingEnemies = [];
 	// Separate dead and living enemies to avoid expensive operations during iteration
@@ -4357,19 +4258,25 @@
 				}
 			}
 		}
 	}
-	// Optimized bullet cleanup using batch processing
-	if (frameCounter % 5 === 0) {
+	// Optimized bullet cleanup with better pooling and batch processing
+	if (frameCounter % 3 === 0) {
+		// More frequent cleanup for better performance
 		var bulletsToRemove = [];
-		// First pass: identify bullets to remove
-		for (var i = 0; i < bullets.length; i++) {
-			if (!bullets[i].parent) {
-				bulletsToRemove.push(i);
+		var maxBulletProcessing = Math.min(20, bullets.length); // Limit processing per frame
+		// First pass: identify bullets to remove (limit checks per frame)
+		for (var i = 0; i < maxBulletProcessing; i++) {
+			var bulletIndex = (frameCounter + i) % bullets.length; // Rotate through bullets
+			if (bulletIndex < bullets.length && !bullets[bulletIndex].parent) {
+				bulletsToRemove.push(bulletIndex);
 			}
 		}
 		// Second pass: remove bullets in reverse order to maintain indices
-		for (var r = bulletsToRemove.length - 1; r >= 0; r--) {
+		bulletsToRemove.sort(function (a, b) {
+			return b - a;
+		}); // Sort descending
+		for (var r = 0; r < bulletsToRemove.length; r++) {
 			var bulletIndex = bulletsToRemove[r];
 			var bullet = bullets[bulletIndex];
 			// Clear target references efficiently
 			if (bullet.targetEnemy && bullet.targetEnemy.bulletsTargetingThis) {
@@ -4378,15 +4285,21 @@
 				if (targetIndex !== -1) {
 					targetBullets.splice(targetIndex, 1);
 				}
 			}
-			// Try to return to pool
+			// Always try to return to pool first for better performance
 			if (!returnBulletToPool(bullet)) {
 				bullet.destroy();
 			}
 			// Remove from bullets array
 			bullets.splice(bulletIndex, 1);
 		}
+		// Periodic bullet array cleanup to remove null entries
+		if (frameCounter % 60 === 0) {
+			bullets = bullets.filter(function (bullet) {
+				return bullet && bullet.parent;
+			});
+		}
 	}
 	if (towerPreview.visible) {
 		towerPreview.checkPlacement();
 	}