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

/**** 
* Classes
****/ 
// Button class
var Button = Container.expand(function () {
	var self = Container.call(this);
	// Button properties
	self.text = '';
	self.backgroundColor = 0x333333;
	self.textColor = 0xffffff;
	self.width = 200;
	self.height = 80;
	self.fontSize = 40;
	self.isPressed = false;
	// Create button background
	self.background = self.attachAsset('notification', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: self.backgroundColor
	});
	// Create button text
	self.buttonText = new Text2(self.text, {
		size: self.fontSize,
		fill: self.textColor
	});
	self.buttonText.anchor.set(0.5, 0.5);
	self.buttonText.x = 0;
	self.buttonText.y = 0;
	self.addChild(self.buttonText);
	// Method to set button properties
	self.setup = function (options) {
		if (options.text !== undefined) {
			self.text = options.text;
			self.buttonText.setText(self.text);
		}
		if (options.backgroundColor !== undefined) {
			self.backgroundColor = options.backgroundColor;
			self.background.tint = self.backgroundColor;
		}
		if (options.textColor !== undefined) {
			self.textColor = options.textColor;
			// Recreate text with new color since Text2 doesn't have a modifiable style property
			self.removeChild(self.buttonText);
			self.buttonText = new Text2(self.text, {
				size: self.fontSize,
				fill: self.textColor
			});
			self.buttonText.anchor.set(0.5, 0.5);
			self.buttonText.x = 0;
			self.buttonText.y = 0;
			self.addChild(self.buttonText);
		}
		if (options.width !== undefined) {
			self.width = options.width;
			self.background.width = self.width;
		}
		if (options.height !== undefined) {
			self.height = options.height;
			self.background.height = self.height;
		}
		if (options.fontSize !== undefined) {
			self.fontSize = options.fontSize;
			// Recreate text with new font size since Text2 doesn't have a modifiable style property
			self.removeChild(self.buttonText);
			self.buttonText = new Text2(self.text, {
				size: self.fontSize,
				fill: self.textColor
			});
			self.buttonText.anchor.set(0.5, 0.5);
			self.buttonText.x = 0;
			self.buttonText.y = 0;
			self.addChild(self.buttonText);
		}
	};
	// Touch down event
	self.down = function (x, y, obj) {
		self.isPressed = true;
		// Visual feedback - darken button
		self.background.alpha = 0.7;
		// Call custom down handler if defined
		if (self.onDown) {
			self.onDown(x, y, obj);
		}
	};
	// Touch up event
	self.up = function (x, y, obj) {
		if (self.isPressed) {
			self.isPressed = false;
			// Reset visual state
			self.background.alpha = 1.0;
			// Call custom up handler if defined
			if (self.onUp) {
				self.onUp(x, y, obj);
			}
			// Call click handler if defined
			if (self.onClick) {
				self.onClick(x, y, obj);
			}
		}
	};
	return self;
});
// Drone class for wave 2
var Drone = Container.expand(function () {
	var self = Container.call(this);
	// Attach drone as the main enemy graphic
	var droneGraphics = self.attachAsset('Drone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add flashing lights to drone
	var droneLight1 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -30,
		y: 5,
		scaleX: 0.025,
		scaleY: 0.025,
		tint: 0xff0000,
		alpha: 0.6
	});
	var droneLight2 = self.attachAsset('squareLight', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 40,
		y: 0,
		scaleX: 0.7,
		scaleY: 0.7,
		tint: 0x00ff00,
		alpha: 0.6
	});
	var droneLight3 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -90,
		scaleX: 0.02,
		scaleY: 0.02,
		tint: 0x0000ff,
		alpha: 0.6
	});
	// Start flashing animations for drone lights
	function startDroneLightFlashing() {
		// Red light flashing
		tween(droneLight1, {
			alpha: 0.1
		}, {
			duration: 600,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(droneLight1, {
					alpha: 0.7
				}, {
					duration: 600,
					easing: tween.easeInOut,
					onFinish: startDroneLightFlashing
				});
			}
		});
		// Green light flashing (offset timing)
		LK.setTimeout(function () {
			tween(droneLight2, {
				alpha: 0.15
			}, {
				duration: 500,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(droneLight2, {
						alpha: 0.7
					}, {
						duration: 500,
						easing: tween.easeInOut
					});
				}
			});
		}, 200);
		// Blue light flashing (different timing)
		LK.setTimeout(function () {
			tween(droneLight3, {
				alpha: 0.2
			}, {
				duration: 800,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(droneLight3, {
						alpha: 0.7
					}, {
						duration: 800,
						easing: tween.easeInOut
					});
				}
			});
		}, 400);
	}
	// Start the flashing animation
	startDroneLightFlashing();
	// Initialize drone properties
	self.speed = -2; // Same speed as probedroids
	self.health = 80; // Less health than probedroids
	self.maxHealth = 80;
	self.pathLine = 1;
	self.lastX = undefined;
	self.electricEffectVisible = false;
	// Add number text
	self.numberText = new Text2('1', {
		size: 60,
		fill: 0x000000
	});
	self.numberText.anchor.set(0.5, 0.5);
	self.numberText.x = 0;
	self.numberText.y = 0;
	self.addChild(self.numberText);
	// Add health bar
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -150
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -150,
		tint: 0x00ff00
	});
	self.updateHealthBar = function () {
		var healthPercentage = self.health / self.maxHealth;
		healthBar.scaleX = healthPercentage;
		// Change color based on health
		if (healthPercentage > 0.6) {
			healthBar.tint = 0x00ff00; // Green
		} else if (healthPercentage > 0.3) {
			healthBar.tint = 0xffff00; // Yellow
		} else {
			healthBar.tint = 0xff0000; // Red
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
		}
		self.updateHealthBar();
	};
	// Function to make electric effect visible
	self.showElectricEffect = function () {
		// Drones don't have electric effect visuals like probedroids
		// This is implemented for consistency with tower interactions
	};
	// Add laser fire back attack for drone when hit
	self.fireBackAtTower = function (attackingTower) {
		// Create laser fire back projectile
		var laser = game.addChild(LK.getAsset('Laserfire', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x - 200,
			y: self.y,
			alpha: 0.9
		}));
		// Calculate direction to attacking tower
		var deltaX = attackingTower.x - laser.x;
		var deltaY = attackingTower.y - laser.y;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		var speed = 6;
		laser.velocityX = deltaX / distance * speed;
		laser.velocityY = deltaY / distance * speed;
		laser.damage = 5;
		// Set initial rotation to point at tower
		var initialAngle = Math.atan2(deltaY, deltaX);
		laser.rotation = initialAngle;
		// Animate laser movement
		var laserInterval = LK.setInterval(function () {
			laser.x += laser.velocityX;
			laser.y += laser.velocityY;
			// Update laser rotation to continuously point at tower
			var currentDeltaX = attackingTower.x - laser.x;
			var currentDeltaY = attackingTower.y - laser.y;
			var currentAngle = Math.atan2(currentDeltaY, currentDeltaX);
			// Animate rotation change smoothly
			tween(laser, {
				rotation: currentAngle
			}, {
				duration: 100,
				easing: tween.easeOut
			});
			// Check if laser hit the attacking tower
			var laserDistance = Math.sqrt(Math.pow(laser.x - attackingTower.x, 2) + Math.pow(laser.y - attackingTower.y, 2));
			if (laserDistance < 100) {
				// Hit tower - deal damage
				attackingTower.takeDamage(laser.damage);
				LK.effects.flashObject(attackingTower, 0xff0000, 300);
				// Remove laser
				LK.clearInterval(laserInterval);
				laser.destroy();
				return;
			}
			// Check if laser went off screen
			if (laser.x > 2048 + 100 || laser.x < -100 || laser.y > 2732 + 100 || laser.y < -100) {
				LK.clearInterval(laserInterval);
				laser.destroy();
			}
		}, 16);
	};
	self.update = function () {
		// Initialize lastX if not set
		if (self.lastX === undefined) self.lastX = self.x;
		// Update health bar
		self.updateHealthBar();
	};
	return self;
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	// Attach probedroid as the main enemy graphic
	var enemyGraphics = self.attachAsset('Probedroid', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add flashing lights to probe droid
	var light1 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -25,
		y: -85,
		scaleX: 0.03,
		scaleY: 0.03,
		tint: 0xff0000,
		alpha: 0.5
	});
	var light2 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 50,
		y: -80,
		scaleX: 0.03,
		scaleY: 0.03,
		tint: 0x00ff00,
		alpha: 0.5
	});
	var light3 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -100,
		scaleX: 0.02,
		scaleY: 0.02,
		tint: 0x0000ff,
		alpha: 0.5
	});
	// Add electric effect to probe droid
	var electricEffect = self.attachAsset('Electriceffect', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -50,
		scaleX: 1.0,
		scaleY: 1.0,
		alpha: 0.7,
		visible: false
	});
	// Start flashing animations for the lights
	function startLightFlashing() {
		// Red light flashing
		tween(light1, {
			alpha: 0.1
		}, {
			duration: 800,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(light1, {
					alpha: 0.6
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: startLightFlashing
				});
			}
		});
		// Green light flashing (offset timing)
		LK.setTimeout(function () {
			tween(light2, {
				alpha: 0.1
			}, {
				duration: 600,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(light2, {
						alpha: 0.6
					}, {
						duration: 600,
						easing: tween.easeInOut
					});
				}
			});
		}, 300);
		// Blue light flashing (different timing)
		LK.setTimeout(function () {
			tween(light3, {
				alpha: 0.15
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(light3, {
						alpha: 0.6
					}, {
						duration: 1000,
						easing: tween.easeInOut
					});
				}
			});
		}, 600);
	}
	// Start the flashing animation
	startLightFlashing();
	// Start electric effect animation
	function startElectricEffect() {
		// Animate electric effect fading in and out
		tween(electricEffect, {
			alpha: 0.2
		}, {
			duration: 400,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(electricEffect, {
					alpha: 0.9
				}, {
					duration: 600,
					easing: tween.easeInOut,
					onFinish: startElectricEffect
				});
			}
		});
	}
	// Store electric effect reference
	self.electricEffect = electricEffect;
	// Function to make electric effect visible
	self.showElectricEffect = function () {
		if (!self.electricEffectVisible) {
			self.electricEffectVisible = true;
			self.electricEffect.visible = true;
		}
	};
	// Start the electric effect animation
	startElectricEffect();
	// Initialize enemy properties
	self.speed = -2; // Default movement speed
	self.health = 100; // Default health
	self.maxHealth = 100; // Default max health
	self.pathLine = 1; // Default path line
	self.lastX = undefined; // Track last X position
	self.electricEffectVisible = false; // Track if electric effect is visible
	// Add number text
	self.numberText = new Text2('1', {
		size: 60,
		fill: 0x000000
	});
	self.numberText.anchor.set(0.5, 0.5);
	self.numberText.x = 0;
	self.numberText.y = 0;
	self.addChild(self.numberText);
	// Add health bar
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -150
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -150,
		tint: 0x00ff00
	});
	self.updateHealthBar = function () {
		var healthPercentage = self.health / self.maxHealth;
		healthBar.scaleX = healthPercentage;
		// Change color based on health
		if (healthPercentage > 0.6) {
			healthBar.tint = 0x00ff00; // Green
		} else if (healthPercentage > 0.3) {
			healthBar.tint = 0xffff00; // Yellow
		} else {
			healthBar.tint = 0xff0000; // Red
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
		}
		self.updateHealthBar();
	};
	self.update = function () {
		// Initialize lastX if not set
		if (self.lastX === undefined) self.lastX = self.x;
		// Update health bar
		self.updateHealthBar();
	};
	return self;
});
// Robot class for wave 3
var Robot = Container.expand(function () {
	var self = Container.call(this);
	// Attach robot as the main enemy graphic
	var robotGraphics = self.attachAsset('Robot', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add wheel to robot
	var wheel = self.attachAsset('Wheel', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -25,
		y: 100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	// Add second wheel to robot
	var wheel2 = self.attachAsset('wheel2', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 25,
		y: 100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	// Add roboarm to robot
	var roboarm = self.attachAsset('Roboarm', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -5,
		y: 0,
		scaleX: 0.6,
		scaleY: 0.6
	});
	// Initialize robot properties
	self.speed = -6; // Faster speed
	self.health = 120; // High health
	self.maxHealth = 120;
	self.pathLine = 1;
	self.lastX = undefined;
	self.electricEffectVisible = false;
	// Add health bar
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -200
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -200,
		tint: 0x00ff00
	});
	self.updateHealthBar = function () {
		var healthPercentage = self.health / self.maxHealth;
		healthBar.scaleX = healthPercentage;
		if (healthPercentage > 0.6) {
			healthBar.tint = 0x00ff00; // Green
		} else if (healthPercentage > 0.3) {
			healthBar.tint = 0xffff00; // Yellow
		} else {
			healthBar.tint = 0xff0000; // Red
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
		}
		self.updateHealthBar();
	};
	// Add showElectricEffect function for wave 3 robots
	self.showElectricEffect = function () {
		// Wave 3 robots don't have electric effect visuals, so this is a no-op
	};
	// Add laser fire back attack for robot when hit
	self.fireBackAtTower = function (attackingTower) {
		// Create laser fire back projectile
		var laser = game.addChild(LK.getAsset('Laserfire', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x - 200,
			y: self.y,
			alpha: 0.9
		}));
		// Calculate direction to attacking tower
		var deltaX = attackingTower.x - laser.x;
		var deltaY = attackingTower.y - laser.y;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		var speed = 6;
		laser.velocityX = deltaX / distance * speed;
		laser.velocityY = deltaY / distance * speed;
		laser.damage = 5;
		// Set initial rotation to point at tower
		var initialAngle = Math.atan2(deltaY, deltaX);
		laser.rotation = initialAngle;
		// Animate laser movement
		var laserInterval = LK.setInterval(function () {
			laser.x += laser.velocityX;
			laser.y += laser.velocityY;
			// Update laser rotation to continuously point at tower
			var currentDeltaX = attackingTower.x - laser.x;
			var currentDeltaY = attackingTower.y - laser.y;
			var currentAngle = Math.atan2(currentDeltaY, currentDeltaX);
			// Animate rotation change smoothly
			tween(laser, {
				rotation: currentAngle
			}, {
				duration: 100,
				easing: tween.easeOut
			});
			// Check if laser hit the attacking tower
			var laserDistance = Math.sqrt(Math.pow(laser.x - attackingTower.x, 2) + Math.pow(laser.y - attackingTower.y, 2));
			if (laserDistance < 100) {
				// Hit tower - deal damage
				attackingTower.takeDamage(laser.damage);
				LK.effects.flashObject(attackingTower, 0xff0000, 300);
				// Remove laser
				LK.clearInterval(laserInterval);
				laser.destroy();
				return;
			}
			// Check if laser went off screen
			if (laser.x > 2048 + 100 || laser.x < -100 || laser.y > 2732 + 100 || laser.y < -100) {
				LK.clearInterval(laserInterval);
				laser.destroy();
			}
		}, 16);
	};
	self.update = function () {
		if (self.lastX === undefined) self.lastX = self.x;
		self.updateHealthBar();
		// Rotate wheel slowly anticlockwise
		if (wheel) {
			tween(wheel, {
				rotation: wheel.rotation - Math.PI / 8
			}, {
				duration: 200,
				easing: tween.linear
			});
		}
		// Rotate second wheel slowly anticlockwise
		if (wheel2) {
			tween(wheel2, {
				rotation: wheel2.rotation - Math.PI / 8
			}, {
				duration: 200,
				easing: tween.linear
			});
		}
	};
	return self;
});
// SpaceDrone class for wave 4
var SpaceDrone = Container.expand(function () {
	var self = Container.call(this);
	// Attach SpaceDrone as the main enemy graphic
	var spaceDroneGraphics = self.attachAsset('SpaceDrone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add flashing lights to space drone
	var droneLight1 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -40,
		y: 10,
		scaleX: 0.03,
		scaleY: 0.03,
		tint: 0xff0000,
		alpha: 0.7
	});
	var droneLight2 = self.attachAsset('squareLight', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 50,
		y: 5,
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x00ff00,
		alpha: 0.7
	});
	var droneLight3 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -80,
		scaleX: 0.025,
		scaleY: 0.025,
		tint: 0x0000ff,
		alpha: 0.7
	});
	// Start flashing animations for space drone lights
	function startSpaceDroneLightFlashing() {
		// Red light flashing
		tween(droneLight1, {
			alpha: 0.2
		}, {
			duration: 500,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(droneLight1, {
					alpha: 0.8
				}, {
					duration: 500,
					easing: tween.easeInOut,
					onFinish: startSpaceDroneLightFlashing
				});
			}
		});
		// Green light flashing (offset timing)
		LK.setTimeout(function () {
			tween(droneLight2, {
				alpha: 0.2
			}, {
				duration: 400,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(droneLight2, {
						alpha: 0.8
					}, {
						duration: 400,
						easing: tween.easeInOut
					});
				}
			});
		}, 150);
		// Blue light flashing (different timing)
		LK.setTimeout(function () {
			tween(droneLight3, {
				alpha: 0.3
			}, {
				duration: 700,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(droneLight3, {
						alpha: 0.8
					}, {
						duration: 700,
						easing: tween.easeInOut
					});
				}
			});
		}, 300);
	}
	// Start the flashing animation
	startSpaceDroneLightFlashing();
	// Initialize space drone properties
	self.speed = -3; // Moderate speed
	self.health = 150; // Higher health than previous enemies
	self.maxHealth = 150;
	self.pathLine = 1;
	self.lastX = undefined;
	self.electricEffectVisible = false;
	// Add number text
	self.numberText = new Text2('1', {
		size: 60,
		fill: 0x000000
	});
	self.numberText.anchor.set(0.5, 0.5);
	self.numberText.x = 0;
	self.numberText.y = 0;
	self.addChild(self.numberText);
	// Add longer health bar for SpaceDrone
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -130,
		scaleX: 1.5,
		// Make health bar longer
		scaleY: 1.2 // Make health bar slightly taller
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -130,
		tint: 0x00ff00,
		scaleX: 1.5,
		// Make health bar longer
		scaleY: 1.2 // Make health bar slightly taller
	});
	self.updateHealthBar = function () {
		var healthPercentage = self.health / self.maxHealth;
		healthBar.scaleX = healthPercentage * 1.5; // Maintain longer scale
		// Change color based on health
		if (healthPercentage > 0.6) {
			healthBar.tint = 0x00ff00; // Green
		} else if (healthPercentage > 0.3) {
			healthBar.tint = 0xffff00; // Yellow
		} else {
			healthBar.tint = 0xff0000; // Red
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
		}
		self.updateHealthBar();
	};
	// Function to make electric effect visible
	self.showElectricEffect = function () {
		// SpaceDrones don't have electric effect visuals like probedroids
		// This is implemented for consistency with tower interactions
	};
	// Add laser fire back attack for SpaceDrone when hit
	self.fireBackAtTower = function (attackingTower) {
		// Create laser fire back projectile
		var laser = game.addChild(LK.getAsset('Laserfire', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x - 200,
			y: self.y,
			alpha: 0.9
		}));
		// Calculate direction to attacking tower
		var deltaX = attackingTower.x - laser.x;
		var deltaY = attackingTower.y - laser.y;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		var speed = 7; // Slightly faster than other enemies
		laser.velocityX = deltaX / distance * speed;
		laser.velocityY = deltaY / distance * speed;
		laser.damage = 8; // Higher damage than other enemies
		// Set initial rotation to point at tower
		var initialAngle = Math.atan2(deltaY, deltaX);
		laser.rotation = initialAngle;
		// Animate laser movement
		var laserInterval = LK.setInterval(function () {
			laser.x += laser.velocityX;
			laser.y += laser.velocityY;
			// Update laser rotation to continuously point at tower
			var currentDeltaX = attackingTower.x - laser.x;
			var currentDeltaY = attackingTower.y - laser.y;
			var currentAngle = Math.atan2(currentDeltaY, currentDeltaX);
			// Animate rotation change smoothly
			tween(laser, {
				rotation: currentAngle
			}, {
				duration: 100,
				easing: tween.easeOut
			});
			// Check if laser hit the attacking tower
			var laserDistance = Math.sqrt(Math.pow(laser.x - attackingTower.x, 2) + Math.pow(laser.y - attackingTower.y, 2));
			if (laserDistance < 100) {
				// Hit tower - deal damage
				attackingTower.takeDamage(laser.damage);
				LK.effects.flashObject(attackingTower, 0xff0000, 300);
				// Remove laser
				LK.clearInterval(laserInterval);
				laser.destroy();
				return;
			}
			// Check if laser went off screen
			if (laser.x > 2048 + 100 || laser.x < -100 || laser.y > 2732 + 100 || laser.y < -100) {
				LK.clearInterval(laserInterval);
				laser.destroy();
			}
		}, 16);
	};
	self.update = function () {
		// Initialize lastX if not set
		if (self.lastX === undefined) self.lastX = self.x;
		// Update health bar
		self.updateHealthBar();
	};
	return self;
});
// UFO boss enemy class for wave 5
var UFO = Container.expand(function () {
	var self = Container.call(this);
	// Attach UFO as the main enemy graphic
	var ufoGraphics = self.attachAsset('UFO', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add shield effects around UFO
	var shield1 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 0.6,
		scaleY: 0.6,
		tint: 0x00FFFF,
		alpha: 0.3
	});
	var shield2 = self.attachAsset('rangeCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x0088FF,
		alpha: 0.2
	});
	// Start shield animations
	function startShieldAnimation() {
		// Shield 1 rotation
		tween(shield1, {
			rotation: shield1.rotation + Math.PI * 2
		}, {
			duration: 3000,
			easing: tween.linear,
			onFinish: startShieldAnimation
		});
		// Shield 2 counter-rotation
		tween(shield2, {
			rotation: shield2.rotation - Math.PI * 2
		}, {
			duration: 4000,
			easing: tween.linear
		});
	}
	startShieldAnimation();
	// Initialize UFO boss properties
	self.speed = -1; // Slower than other enemies
	self.health = 4000; // Much higher health - takes around 200 hits
	self.maxHealth = 4000;
	self.pathLine = 1;
	self.lastX = undefined;
	self.electricEffectVisible = false;
	// Boss text removed
	// Add much longer health bar for UFO boss
	var healthBarOutline = self.attachAsset('healthBarOutline', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -280,
		scaleX: 4.0,
		// Make health bar much longer
		scaleY: 2.0 // Make health bar taller
	});
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -280,
		tint: 0xFF0000,
		scaleX: 4.0,
		// Make health bar much longer
		scaleY: 2.0 // Make health bar taller
	});
	self.updateHealthBar = function () {
		var healthPercentage = self.health / self.maxHealth;
		healthBar.scaleX = healthPercentage * 4.0; // Maintain longer scale
		// UFO boss health bar stays red
		healthBar.tint = 0xFF0000;
	};
	self.takeDamage = function (damage) {
		// UFO boss takes reduced damage due to shields
		var reducedDamage = Math.max(1, Math.floor(damage / 2));
		self.health -= reducedDamage;
		if (self.health <= 0) {
			self.health = 0;
		}
		self.updateHealthBar();
		// Flash shields when taking damage
		LK.effects.flashObject(shield1, 0xFFFFFF, 200);
		LK.effects.flashObject(shield2, 0xFFFFFF, 200);
	};
	// Function to make electric effect visible
	self.showElectricEffect = function () {
		// UFO boss doesn't show electric effect
	};
	// Initialize UFO boss behavior properties
	if (self.hoverState === undefined) {
		self.hoverState = 'hovering'; // 'hovering', 'descending', 'attacking'
		self.hoverTimer = 0;
		self.descentTimer = 0;
		self.lastLaserTime = 0;
		self.targetY = self.y;
		self.originalY = self.y;
		self.hoverDirection = 1; // 1 for right, -1 for left
		self.descendingToLine = -1;
	}
	self.update = function () {
		// Initialize lastX if not set
		if (self.lastX === undefined) self.lastX = self.x;
		// Update health bar
		self.updateHealthBar();
		// UFO boss movement and behavior
		self.hoverTimer += gameSpeed;
		self.descentTimer += gameSpeed;
		if (self.hoverState === 'hovering') {
			// Hover around randomly - move horizontally
			self.x += self.hoverDirection * 1 * gameSpeed;
			// Change direction if hitting screen edges
			if (self.x <= 300 || self.x >= 2048 - 300) {
				self.hoverDirection *= -1;
			}
			// Random direction changes
			if (Math.random() < 0.01 * gameSpeed) {
				self.hoverDirection *= -1;
			}
			// Slight vertical hovering
			self.y = self.originalY + Math.sin(self.hoverTimer * 0.02) * 30;
			// Fire laser at towers sparingly (every 3-5 seconds)
			if (self.hoverTimer - self.lastLaserTime >= (180 + Math.random() * 120) / gameSpeed) {
				self.fireAtTowers();
				self.lastLaserTime = self.hoverTimer;
			}
			// Every 10 seconds, descend to a random guideline
			if (self.descentTimer >= 600 / gameSpeed) {
				// 10 seconds at 60fps
				self.hoverState = 'descending';
				self.descentTimer = 0;
				// Choose random guideline (1-6)
				self.descendingToLine = Math.floor(Math.random() * 6) + 1;
				// Set target Y position based on guideline
				var lineY = pathPositions['line' + self.descendingToLine];
				self.targetY = lineY;
				// Animate descent
				tween(self, {
					y: self.targetY
				}, {
					duration: 2000,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						self.hoverState = 'attacking';
						// Stay on line for 3 seconds, then return to hovering
						LK.setTimeout(function () {
							self.hoverState = 'ascending';
							tween(self, {
								y: self.originalY
							}, {
								duration: 2000,
								easing: tween.easeInOut,
								onFinish: function onFinish() {
									self.hoverState = 'hovering';
								}
							});
						}, 3000);
					}
				});
			}
		}
		// Check if UFO destroyed all towers
		if (towers.length === 0) {
			self.hoverState = 'moving_to_goal';
			self.speed = -1; // Move toward goal
			self.y = pathPositions['line' + Math.floor(Math.random() * 6 + 1)]; // Move to random line
		}
		// Move toward goal if all towers destroyed
		if (self.hoverState === 'moving_to_goal') {
			self.x += self.speed * gameSpeed;
		}
	};
	// Add laser firing method for UFO
	self.fireAtTowers = function () {
		if (towers.length === 0) return;
		// Select random tower to target
		var randomTower = towers[Math.floor(Math.random() * towers.length)];
		// Create laser projectile
		var laser = game.addChild(LK.getAsset('Laserfire', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y + 100,
			alpha: 0.9,
			tint: 0xFF0000 // Red laser for UFO
		}));
		// Calculate direction to tower
		var deltaX = randomTower.x - laser.x;
		var deltaY = randomTower.y - laser.y;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		var speed = 5;
		laser.velocityX = deltaX / distance * speed;
		laser.velocityY = deltaY / distance * speed;
		laser.damage = 15;
		// Set laser rotation to point at tower
		laser.rotation = Math.atan2(deltaY, deltaX);
		// Animate laser movement
		var laserInterval = LK.setInterval(function () {
			laser.x += laser.velocityX;
			laser.y += laser.velocityY;
			// Check if laser hit the tower
			var laserDistance = Math.sqrt(Math.pow(laser.x - randomTower.x, 2) + Math.pow(laser.y - randomTower.y, 2));
			if (laserDistance < 120) {
				// Hit tower - deal damage
				randomTower.takeDamage(laser.damage);
				LK.effects.flashObject(randomTower, 0xFF0000, 400);
				// Remove laser
				LK.clearInterval(laserInterval);
				laser.destroy();
				return;
			}
			// Check if laser went off screen
			if (laser.x > 2048 + 100 || laser.x < -100 || laser.y > 2732 + 100 || laser.y < -100) {
				LK.clearInterval(laserInterval);
				laser.destroy();
			}
		}, 16);
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background 
});

/**** 
* Game Code
****/ 
// Game update loop
game.update = function () {
	if (!gameStarted) return;
	// Spawn enemies
	enemySpawnTimer += gameSpeed;
	if (enemySpawnTimer >= enemySpawnInterval) {
		spawnEnemy();
		enemySpawnTimer = 0;
	}
	// Update fan tower cooldowns
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		// Check if this is a fan tower
		if (tower.blades) {
			tower.cooldownTimer += gameSpeed;
			// Check if cooldown should start
			if (tower.isRunning && tower.cooldownTimer >= tower.cooldownDuration) {
				// Start cooldown - stop fan
				tower.cooldownActive = true;
				tower.isRunning = false;
				tower.cooldownTimer = 0;
				// Stop blade spinning
				if (tower.blades) {
					tween.stop(tower.blades);
				}
				// Flash fan red to indicate cooldown
				LK.effects.flashObject(tower, 0xff0000, 1000);
			}
			// Check if cooldown should end (10 seconds cooldown)
			if (tower.cooldownActive && tower.cooldownTimer >= 10 * 60 / gameSpeed) {
				// End cooldown - restart fan
				tower.cooldownActive = false;
				tower.isRunning = true;
				tower.cooldownTimer = 0;
				// Resume blade spinning
				var _spinBlades2 = function spinBlades() {
					if (tower.blades && tower.isRunning) {
						tween(tower.blades, {
							rotation: tower.blades.rotation + Math.PI * 2
						}, {
							duration: 500,
							easing: tween.linear,
							onFinish: _spinBlades2
						});
					}
				};
				_spinBlades2();
				// Flash fan green to indicate restart
				LK.effects.flashObject(tower, 0x00ff00, 500);
			}
		}
	}
	// Handle plasma tower attacks
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		if (tower.plasma) {
			handlePlasmaAttack(tower);
		}
	}
	// Update enemies
	updateEnemies();
	// Clean up water squirts when towers are not attacking
	cleanupWaterSquirts();
	// Clean up zap effects when targets are out of range
	cleanupZapEffects();
	// Clean up fireball projectiles that are off-screen
	cleanupFireballs();
	// Check wave 1 completion
	if (currentWave === 1 && wave1EnemiesCompleted >= 10) {
		// Award player $50 for completing wave 1
		playerCash += 50;
		cashText.setText('Cash: $' + playerCash);
		// Initialize wave 2
		currentWave = 2;
		enemiesSpawned = 0;
		enemySpawnTimer = 0;
		maxEnemiesInWave = 30; // Wave 2 has 30 drones
		enemySpawnInterval = 180; // 3 seconds between spawns at 60fps
		// Fade in wave2 asset in middle of screen
		var wave2Asset = game.addChild(LK.getAsset('Wave2', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: 2732 / 2,
			alpha: 0
		}));
		// Fade in wave2 asset
		tween(wave2Asset, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				// Keep wave2 visible for 2 seconds then fade out
				LK.setTimeout(function () {
					tween(wave2Asset, {
						alpha: 0
					}, {
						duration: 1000,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							wave2Asset.destroy();
						}
					});
				}, 2000);
			}
		});
	}
	// Check wave 2 completion and initialize wave 3
	if (currentWave === 2 && wave2EnemiesCompleted >= 30) {
		// Award player $100 for completing wave 2
		playerCash += 100;
		cashText.setText('Cash: $' + playerCash);
		// Initialize wave 3
		currentWave = 3;
		enemiesSpawned = 0;
		enemySpawnTimer = 0;
		maxEnemiesInWave = 20; // Wave 3 has 20 robots
		enemySpawnInterval = 180; // 3 seconds between spawns at 60fps
		// Fade in wave3 asset in middle of screen
		var wave3Asset = game.addChild(LK.getAsset('Wave3', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: 2732 / 2,
			alpha: 0
		}));
		// Fade in wave3 asset
		tween(wave3Asset, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				// Keep wave3 visible for 2 seconds then fade out
				LK.setTimeout(function () {
					tween(wave3Asset, {
						alpha: 0
					}, {
						duration: 1000,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							wave3Asset.destroy();
						}
					});
				}, 2000);
			}
		});
	}
	// Check wave 3 completion and initialize wave 4
	if (currentWave === 3 && enemiesSpawned >= maxEnemiesInWave && enemies.length === 0) {
		// Award player $150 for completing wave 3
		playerCash += 150;
		cashText.setText('Cash: $' + playerCash);
		// Initialize wave 4
		currentWave = 4;
		enemiesSpawned = 0;
		enemySpawnTimer = 0;
		maxEnemiesInWave = 50; // Wave 4 has 50 SpaceDrones
		enemySpawnInterval = 120; // 2 seconds between spawns at 60fps
		// Fade in wave4 asset in middle of screen
		var wave4Asset = game.addChild(LK.getAsset('Wave4', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: 2732 / 2,
			alpha: 0
		}));
		// Fade in wave4 asset
		tween(wave4Asset, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				// Keep wave4 visible for 2 seconds then fade out
				LK.setTimeout(function () {
					tween(wave4Asset, {
						alpha: 0
					}, {
						duration: 1000,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							wave4Asset.destroy();
						}
					});
				}, 2000);
			}
		});
	}
	// Check wave 4 completion and initialize wave 5
	if (currentWave === 4 && enemiesSpawned >= maxEnemiesInWave && enemies.length === 0) {
		// Award player $200 for completing wave 4
		playerCash += 200;
		cashText.setText('Cash: $' + playerCash);
		// Initialize wave 5
		currentWave = 5;
		enemiesSpawned = 0;
		enemySpawnTimer = 0;
		maxEnemiesInWave = 1; // Wave 5 has 1 UFO boss
		enemySpawnInterval = 60; // 1 second between spawns at 60fps
		// Fade in wave5 asset in middle of screen
		var wave5Asset = game.addChild(LK.getAsset('Wave5', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: 2732 / 2,
			alpha: 0
		}));
		// Fade in wave5 asset
		tween(wave5Asset, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				// Keep wave5 visible for 2 seconds then fade out
				LK.setTimeout(function () {
					tween(wave5Asset, {
						alpha: 0
					}, {
						duration: 1000,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							wave5Asset.destroy();
						}
					});
				}, 2000);
			}
		});
	}
	// Check wave 5 completion (final win condition)
	if (currentWave === 5 && enemiesSpawned >= maxEnemiesInWave && enemies.length === 0) {
		LK.showYouWin();
	}
	// Check if UFO boss reached goal in wave 5
	if (currentWave === 5 && enemies.length > 0) {
		var ufo = enemies[0]; // UFO should be the only enemy in wave 5
		if (ufo && ufo.lastX >= 0 && ufo.x < 0) {
			// UFO reached goal - game over
			LK.showGameOver();
			return;
		}
	}
	// Final check - destroy all towers with 0 or less health at end of update cycle
	for (var i = towers.length - 1; i >= 0; i--) {
		var tower = towers[i];
		if (tower.health <= 0) {
			// Remove health bar components
			if (tower.healthBarOutline) {
				tower.healthBarOutline.destroy();
			}
			if (tower.healthBar) {
				tower.healthBar.destroy();
			}
			// Remove blades if this is a fan tower
			if (tower.blades) {
				tower.blades.destroy();
			}
			// Remove plasma if this is a plasma tower
			if (tower.plasma) {
				tower.plasma.destroy();
			}
			// Remove plasma rays if this is a plasma tower
			if (tower.plasmaRays) {
				for (var rayIndex = 0; rayIndex < tower.plasmaRays.length; rayIndex++) {
					tower.plasmaRays[rayIndex].destroy();
				}
				tower.plasmaRays = [];
			}
			// Remove active zaps if this is an electric tower
			if (tower.activeZaps) {
				for (var zapIndex = 0; zapIndex < tower.activeZaps.length; zapIndex++) {
					tower.activeZaps[zapIndex].destroy();
				}
				tower.activeZaps = [];
				tower.zapTargets = [];
			}
			// Remove tower from the game
			tower.destroy();
			towers.splice(i, 1);
		}
	}
};
// Mouse move handler for tower preview
game.move = function (x, y, obj) {
	if (isPlacingTower && towerPreview) {
		// Snap preview to nearest guideline X position (columns)
		var snappedX = getNearestGuidelineX(x);
		towerPreview.x = snappedX;
		// Snap preview to nearest guideline Y position
		var snappedY = getNearestGuidelineY(y);
		towerPreview.y = snappedY;
		// Update blades position if fan preview has blades
		if (towerPreview.blades) {
			towerPreview.blades.x = towerPreview.x + 50;
			towerPreview.blades.y = towerPreview.y - 40 - 100 + 25 + 25;
		}
		// Update plasma position if plasma preview has plasma
		if (towerPreview.plasma) {
			towerPreview.plasma.x = towerPreview.x;
			towerPreview.plasma.y = towerPreview.y - 20;
		}
	}
};
var enemies = [];
var towers = [];
var waterSquirts = []; // Track all water squirts for cleanup
var gameStarted = false;
var enemySpawnTimer = 0;
var enemySpawnInterval = 600; // Spawn every 10 seconds at 60fps
var enemiesSpawned = 0;
var maxEnemiesInWave = 10; // Wave 1 has exactly 10 probedroids
var currentWave = 1; // Track current wave number
var wave1EnemiesCompleted = 0; // Track completed enemies in wave 1
var wave2EnemiesCompleted = 0; // Track completed enemies in wave 2
var wave3EnemiesCompleted = 0; // Track completed enemies in wave 3
var playerCash = 200; // Player starts with $200
var playerLives = 3; // Player starts with 3 lives
var playerScore = 0; // Player starts with 0 score
var livesText = null; // Global reference to lives text display
var isPlacingTower = false;
var selectedTowerType = null;
var towerPreview = null;
var guidelines = [];
var verticalGuidelines = [];
var cashText = null;
var confirmButton = null;
var gameSpeed = 1; // Global game speed multiplier
// Define path positions for different lines
var pathPositions = {
	line6: 2732 / 7 * 6 - 310 + 50,
	// Line 6 position
	line2: 2732 / 7 * 2 + 320 + 50,
	// Line 2 position
	line3: 2732 / 7 * 3 + 150 + 50,
	// Line 3 position
	line4: 2732 / 7 * 4 + 10 + 50,
	// Line 4 position
	line5: 2732 / 7 * 5 - 150 + 50,
	// Line 5 position
	line1: 2732 / 7 * 1 + 480 + 50 // Line 1 position
};
// Helper function to get nearest guideline Y position
function getNearestGuidelineY(y) {
	var nearestY = y;
	var minDistance = Infinity;
	for (var i = 0; i < guidelines.length; i++) {
		var guideline = guidelines[i];
		var distance = Math.abs(guideline.y - y);
		if (distance < minDistance) {
			minDistance = distance;
			nearestY = guideline.y;
		}
	}
	return nearestY;
}
// Helper function to get nearest vertical guideline X position
function getNearestGuidelineX(x) {
	var nearestX = x;
	var minDistance = Infinity;
	for (var i = 0; i < verticalGuidelines.length; i++) {
		var guideline = verticalGuidelines[i];
		var distance = Math.abs(guideline.x - x);
		if (distance < minDistance) {
			minDistance = distance;
			nearestX = guideline.x;
		}
	}
	return nearestX;
}
// Helper function to check if tower position is too close to existing towers
function canPlaceTowerAt(x, y) {
	var minDistance = 200; // Minimum distance between towers
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		var distance = Math.sqrt(Math.pow(x - tower.x, 2) + Math.pow(y - tower.y, 2));
		if (distance < minDistance) {
			return false;
		}
	}
	return true;
}
// Function to clean up water squirts when tower is not attacking
function cleanupWaterSquirts() {
	for (var i = waterSquirts.length - 1; i >= 0; i--) {
		var squirt = waterSquirts[i];
		if (!squirt || !squirt.parent) {
			// Water squirt already destroyed, remove from tracking
			waterSquirts.splice(i, 1);
			continue;
		}
		// Check if water squirt's tower is still active and attacking
		var towerStillActive = false;
		for (var j = 0; j < towers.length; j++) {
			var tower = towers[j];
			if (tower._assetId === 'Tower1' && tower.health > 0) {
				// Check if tower has enemies in range
				var hasEnemiesInRange = false;
				for (var k = 0; k < enemies.length; k++) {
					var enemy = enemies[k];
					if (Math.abs(enemy.y - tower.y) < 50 && enemy.x > tower.x && enemy.x - tower.x < 700) {
						hasEnemiesInRange = true;
						break;
					}
				}
				if (hasEnemiesInRange) {
					towerStillActive = true;
					break;
				}
			}
		}
		// If no towers are actively attacking, clean up this water squirt
		if (!towerStillActive) {
			squirt.destroy();
			waterSquirts.splice(i, 1);
		}
	}
}
// Function to clean up all zap3 effects when electric towers are destroyed or not targeting
function cleanupZapEffects() {
	for (var i = towers.length - 1; i >= 0; i--) {
		var tower = towers[i];
		if (tower._assetId === 'Bugzapper' && tower.activeZaps) {
			// Check if tower is destroyed (health <= 0)
			if (tower.health <= 0) {
				// Clean up all zap effects for destroyed tower
				for (var j = tower.activeZaps.length - 1; j >= 0; j--) {
					var zap = tower.activeZaps[j];
					if (zap && zap.parent) {
						zap.destroy();
					}
					tower.activeZaps.splice(j, 1);
					tower.zapTargets.splice(j, 1);
				}
				continue;
			}
			for (var j = tower.activeZaps.length - 1; j >= 0; j--) {
				var zap = tower.activeZaps[j];
				var target = tower.zapTargets[j];
				// Check if zap effect still exists and target is still valid
				if (!zap || !zap.parent || !target || !target.parent) {
					// Clean up invalid zap effect
					if (zap && zap.parent) {
						zap.destroy();
					}
					tower.activeZaps.splice(j, 1);
					tower.zapTargets.splice(j, 1);
					continue;
				}
				// Check if target is still in range
				var targetInRange = false;
				if (Math.abs(target.y - tower.y) < 100 && target.x > tower.x && target.x - tower.x < 800) {
					targetInRange = true;
				}
				// If target is not in range, clean up zap effect
				if (!targetInRange) {
					zap.destroy();
					tower.activeZaps.splice(j, 1);
					tower.zapTargets.splice(j, 1);
				}
			}
		}
	}
}
// Function to clean up all fireball projectiles that are off-screen or have invalid targets
function cleanupFireballs() {
	// Find all fireball assets in the game
	for (var i = game.children.length - 1; i >= 0; i--) {
		var child = game.children[i];
		if (child.assetId === 'Fireball') {
			// Check if fireball is off-screen
			if (child.x > 2048 + 200 || child.x < -200 || child.y > 2732 + 200 || child.y < -200) {
				child.destroy();
				continue;
			}
			// Check if fireball has been on screen for too long (5 seconds)
			if (!child.createdTime) {
				child.createdTime = LK.ticks;
			}
			if (LK.ticks - child.createdTime > 300) {
				// 5 seconds at 60fps
				child.destroy();
			}
		}
	}
}
// Tower defense functions
function startTowerDefenseWave1() {
	gameStarted = true;
	enemySpawnTimer = 0;
	enemiesSpawned = 0;
	// Add score display to top of screen
	var scoreText = new Text2('Score: 0', {
		size: 80,
		fill: 0xFFFFFF
	});
	scoreText.anchor.set(0.5, 0);
	scoreText.x = 2048 / 2;
	scoreText.y = 50;
	game.addChild(scoreText);
	// Store scoreText reference globally for updating
	window.scoreText = scoreText;
	// Add cash display to top of screen
	cashText = new Text2('Cash: $' + playerCash, {
		size: 80,
		fill: 0xFFD700
	});
	cashText.anchor.set(0.5, 0);
	cashText.x = 2048 / 2 + 300 + 200;
	cashText.y = 50;
	game.addChild(cashText);
	// Add speed up button under cash display
	var speedUpButton = new Button();
	speedUpButton.setup({
		text: '2X SPEED',
		backgroundColor: 0x00AA00,
		textColor: 0xFFFFFF,
		width: 250,
		height: 80,
		fontSize: 35
	});
	speedUpButton.x = 2048 / 2 + 300 + 200;
	speedUpButton.y = 180;
	game.addChild(speedUpButton);
	// Speed up functionality
	speedUpButton.onClick = function () {
		if (gameSpeed === 1) {
			gameSpeed = 2;
			speedUpButton.setup({
				text: '1X SPEED',
				backgroundColor: 0xFF6600,
				textColor: 0xFFFFFF,
				width: 250,
				height: 80,
				fontSize: 35
			});
		} else {
			gameSpeed = 1;
			speedUpButton.setup({
				text: '2X SPEED',
				backgroundColor: 0x00AA00,
				textColor: 0xFFFFFF,
				width: 250,
				height: 80,
				fontSize: 35
			});
		}
	};
	// Add lives display to top of screen
	livesText = new Text2('Lives: ' + playerLives, {
		size: 80,
		fill: 0xFF4444
	});
	livesText.anchor.set(0.5, 0);
	livesText.x = 2048 / 2 - 300 - 200;
	livesText.y = 50;
	game.addChild(livesText);
	// Add skip wave button to top of screen
	var skipWaveButton = new Text2('SKIP WAVE', {
		size: 60,
		fill: 0xFFFFFF
	});
	skipWaveButton.anchor.set(0.5, 0);
	skipWaveButton.x = 2048 / 2;
	skipWaveButton.y = 150;
	game.addChild(skipWaveButton);
	// Add touch event to skip wave button
	skipWaveButton.down = function (x, y, obj) {
		// Skip to next wave immediately
		if (currentWave === 1) {
			// Skip to wave 2
			// Award player $50 for completing wave 1
			playerCash += 50;
			cashText.setText('Cash: $' + playerCash);
			// Initialize wave 2
			currentWave = 2;
			enemiesSpawned = 0;
			enemySpawnTimer = 0;
			maxEnemiesInWave = 30; // Wave 2 has 30 drones
			enemySpawnInterval = 180; // 3 seconds between spawns at 60fps
			wave1EnemiesCompleted = 10; // Mark wave 1 as completed
			// Clear existing enemies
			for (var i = enemies.length - 1; i >= 0; i--) {
				enemies[i].destroy();
			}
			enemies = [];
			// Fade in wave2 asset in middle of screen
			var wave2Asset = game.addChild(LK.getAsset('Wave2', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0
			}));
			// Fade in wave2 asset
			tween(wave2Asset, {
				alpha: 1
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Keep wave2 visible for 2 seconds then fade out
					LK.setTimeout(function () {
						tween(wave2Asset, {
							alpha: 0
						}, {
							duration: 1000,
							easing: tween.easeInOut,
							onFinish: function onFinish() {
								wave2Asset.destroy();
							}
						});
					}, 2000);
				}
			});
		} else if (currentWave === 2) {
			// Skip to wave 3
			// Award player $100 for completing wave 2
			playerCash += 100;
			cashText.setText('Cash: $' + playerCash);
			// Initialize wave 3
			currentWave = 3;
			enemiesSpawned = 0;
			enemySpawnTimer = 0;
			maxEnemiesInWave = 20; // Wave 3 has 20 robots
			enemySpawnInterval = 180; // 3 seconds between spawns at 60fps
			wave2EnemiesCompleted = 30; // Mark wave 2 as completed
			// Clear existing enemies
			for (var i = enemies.length - 1; i >= 0; i--) {
				enemies[i].destroy();
			}
			enemies = [];
			// Fade in wave3 asset in middle of screen
			var wave3Asset = game.addChild(LK.getAsset('Wave3', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0
			}));
			// Fade in wave3 asset
			tween(wave3Asset, {
				alpha: 1
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Keep wave3 visible for 2 seconds then fade out
					LK.setTimeout(function () {
						tween(wave3Asset, {
							alpha: 0
						}, {
							duration: 1000,
							easing: tween.easeInOut,
							onFinish: function onFinish() {
								wave3Asset.destroy();
							}
						});
					}, 2000);
				}
			});
		} else if (currentWave === 3) {
			// Skip to wave 4
			// Award player $150 for completing wave 3
			playerCash += 150;
			cashText.setText('Cash: $' + playerCash);
			// Initialize wave 4
			currentWave = 4;
			enemiesSpawned = 0;
			enemySpawnTimer = 0;
			maxEnemiesInWave = 50; // Wave 4 has 50 SpaceDrones
			enemySpawnInterval = 120; // 2 seconds between spawns at 60fps
			wave3EnemiesCompleted = 20; // Mark wave 3 as completed
			// Clear existing enemies
			for (var i = enemies.length - 1; i >= 0; i--) {
				enemies[i].destroy();
			}
			enemies = [];
			// Fade in wave4 asset in middle of screen
			var wave4Asset = game.addChild(LK.getAsset('Wave4', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0
			}));
			// Fade in wave4 asset
			tween(wave4Asset, {
				alpha: 1
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Keep wave4 visible for 2 seconds then fade out
					LK.setTimeout(function () {
						tween(wave4Asset, {
							alpha: 0
						}, {
							duration: 1000,
							easing: tween.easeInOut,
							onFinish: function onFinish() {
								wave4Asset.destroy();
							}
						});
					}, 2000);
				}
			});
		} else if (currentWave === 4) {
			// Skip to wave 5
			// Award player $200 for completing wave 4
			playerCash += 200;
			cashText.setText('Cash: $' + playerCash);
			// Initialize wave 5
			currentWave = 5;
			enemiesSpawned = 0;
			enemySpawnTimer = 0;
			maxEnemiesInWave = 1; // Wave 5 has 1 UFO boss
			enemySpawnInterval = 60; // 1 second between spawns at 60fps
			// Mark wave 4 as completed
			// Clear existing enemies
			for (var i = enemies.length - 1; i >= 0; i--) {
				enemies[i].destroy();
			}
			enemies = [];
			// Fade in wave5 asset in middle of screen
			var wave5Asset = game.addChild(LK.getAsset('Wave5', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0
			}));
			// Fade in wave5 asset
			tween(wave5Asset, {
				alpha: 1
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Keep wave5 visible for 2 seconds then fade out
					LK.setTimeout(function () {
						tween(wave5Asset, {
							alpha: 0
						}, {
							duration: 1000,
							easing: tween.easeInOut,
							onFinish: function onFinish() {
								wave5Asset.destroy();
							}
						});
					}, 2000);
				}
			});
		}
	};
	// Add Gasbutton to bottom of game scene
	var gasButton = game.addChild(LK.getAsset('Gasbutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 426.67 + 50 + 50,
		y: 2732 - 350
	}));
	// Add Waterbutton to bottom left of game scene
	var waterButton = game.addChild(LK.getAsset('Waterbutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 50,
		y: 2732 - 350
	}));
	// Water button click handler
	waterButton.down = function (x, y, obj) {
		// Check if player has enough cash
		if (playerCash >= 10) {
			// Start tower placement mode
			isPlacingTower = true;
			selectedTowerType = 'water';
			// Create tower preview
			if (towerPreview) {
				towerPreview.destroy();
			}
			towerPreview = game.addChild(LK.getAsset('Tower1', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0.5
			}));
			// Create green tick button for confirming placement
			if (confirmButton) {
				confirmButton.destroy();
			}
			confirmButton = game.addChild(new Button());
			confirmButton.setup({
				text: '✓',
				backgroundColor: 0x00FF00,
				textColor: 0xFFFFFF,
				width: 120,
				height: 120,
				fontSize: 80
			});
			confirmButton.x = 2048 - 150;
			confirmButton.y = 2732 / 2;
			confirmButton.onClick = function () {
				// Place tower at current preview position
				if (towerPreview) {
					// Align tower position to nearest guidelines
					var alignedX = getNearestGuidelineX(towerPreview.x);
					var alignedY = getNearestGuidelineY(towerPreview.y);
					// Check if tower can be placed at this position
					if (!canPlaceTowerAt(alignedX, alignedY)) {
						// Flash red to indicate invalid placement
						LK.effects.flashObject(towerPreview, 0xff0000, 500);
						return;
					}
					var newTower = game.addChild(LK.getAsset('Tower1', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY,
						alpha: 1
					}));
					newTower._assetId = 'Tower1'; // Mark this as a water tower
					newTower.health = 100;
					newTower.maxHealth = 100;
					newTower.isBeingDamaged = false;
					newTower.lastDamageTime = 0;
					newTower.lastFireTime = 0; // Initialize fire rate tracking
					// Add health bar to tower
					var healthBarOutline = game.addChild(LK.getAsset('healthBarOutline', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY - 120
					}));
					var healthBar = game.addChild(LK.getAsset('healthBar', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY - 120,
						tint: 0x00ff00
					}));
					newTower.healthBarOutline = healthBarOutline;
					newTower.healthBar = healthBar;
					newTower.takeDamage = function (damage) {
						newTower.health -= damage;
						if (newTower.health <= 0) {
							newTower.health = 0;
						}
						// Update health bar
						var healthPercentage = newTower.health / newTower.maxHealth;
						newTower.healthBar.scaleX = healthPercentage;
						// Change color based on health
						if (healthPercentage > 0.6) {
							newTower.healthBar.tint = 0x00ff00; // Green
						} else if (healthPercentage > 0.3) {
							newTower.healthBar.tint = 0xffff00; // Yellow
						} else {
							newTower.healthBar.tint = 0xff0000; // Red
						}
					};
					towers.push(newTower);
					// Check for enemies in range immediately after placing
					for (var i = 0; i < enemies.length; i++) {
						var enemy = enemies[i];
						// Check if enemy is on the same horizontal line as the tower (within 50 pixels tolerance)
						if (Math.abs(enemy.y - newTower.y) < 50) {
							// Check if enemy is to the right of the tower and within range of 700 pixels
							if (enemy.x > newTower.x && enemy.x - newTower.x < 700) {
								// Fire immediately
								newTower.lastFireTime = LK.ticks;
								// Create water squirt visual
								var waterSquirt = game.addChild(LK.getAsset('Water', {
									anchorX: 0,
									anchorY: 0.5,
									x: newTower.x,
									y: newTower.y,
									scaleX: 0.3,
									scaleY: 0.1,
									alpha: 0.7,
									tint: 0x4169E1
								}));
								// Track water squirt for cleanup
								waterSquirts.push(waterSquirt);
								// Animate water squirt
								tween(waterSquirt, {
									scaleX: 0.35,
									alpha: 0.3
								}, {
									duration: 500,
									easing: tween.easeOut,
									onFinish: function onFinish() {
										// Remove from tracking array when destroyed
										for (var squirtIndex = 0; squirtIndex < waterSquirts.length; squirtIndex++) {
											if (waterSquirts[squirtIndex] === waterSquirt) {
												waterSquirts.splice(squirtIndex, 1);
												break;
											}
										}
										waterSquirt.destroy();
									}
								});
								// Deal damage to enemy
								enemy.takeDamage(8);
								// Make electric effect visible when hit by water
								enemy.showElectricEffect();
								// Robot fires back when hit by water tower
								if (enemy.fireBackAtTower) {
									enemy.fireBackAtTower(newTower);
								}
								break; // Found an enemy in range
							}
						}
					}
					// Sort all towers by Y position (higher Y values should be in front)
					towers.sort(function (a, b) {
						return a.y - b.y;
					});
					// Re-add towers to game in sorted order
					for (var i = 0; i < towers.length; i++) {
						game.removeChild(towers[i]);
						game.addChild(towers[i]);
					}
					// Deduct cost and update display
					playerCash -= 10;
					cashText.setText('Cash: $' + playerCash);
					// Clean up placement mode
					isPlacingTower = false;
					selectedTowerType = null;
					// Destroy preview blades if they exist
					if (towerPreview.blades) {
						towerPreview.blades.destroy();
					}
					// Destroy preview plasma if it exists
					if (towerPreview.plasma) {
						towerPreview.plasma.destroy();
					}
					// Clean up any remaining water squirts
					for (var waterIndex = game.children.length - 1; waterIndex >= 0; waterIndex--) {
						var child = game.children[waterIndex];
						if (child.assetId === 'Water') {
							child.destroy();
						}
					}
					towerPreview.destroy();
					towerPreview = null;
					confirmButton.destroy();
					confirmButton = null;
				}
			};
		}
	};
	// Gas button click handler
	gasButton.down = function (x, y, obj) {
		// Check if player has enough cash
		if (playerCash >= 20) {
			// Start tower placement mode
			isPlacingTower = true;
			selectedTowerType = 'gas';
			// Create tower preview
			if (towerPreview) {
				towerPreview.destroy();
			}
			towerPreview = game.addChild(LK.getAsset('Dog', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0.5
			}));
			// Create green tick button for confirming placement
			if (confirmButton) {
				confirmButton.destroy();
			}
			confirmButton = game.addChild(new Button());
			confirmButton.setup({
				text: '✓',
				backgroundColor: 0x00FF00,
				textColor: 0xFFFFFF,
				width: 120,
				height: 120,
				fontSize: 80
			});
			confirmButton.x = 2048 - 150;
			confirmButton.y = 2732 / 2;
			confirmButton.onClick = function () {
				// Place tower at current preview position
				if (towerPreview) {
					// Align tower position to nearest guidelines
					var alignedX = getNearestGuidelineX(towerPreview.x);
					var alignedY = getNearestGuidelineY(towerPreview.y);
					// Check if tower can be placed at this position
					if (!canPlaceTowerAt(alignedX, alignedY)) {
						// Flash red to indicate invalid placement
						LK.effects.flashObject(towerPreview, 0xff0000, 500);
						return;
					}
					var newTower = game.addChild(LK.getAsset('Dog', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY,
						alpha: 1
					}));
					newTower._assetId = 'Dog'; // Mark this as a gas tower
					newTower.health = 100;
					newTower.maxHealth = 100;
					newTower.isBeingDamaged = false;
					newTower.lastDamageTime = 0;
					newTower.lastFireTime = 0; // Initialize fire rate tracking
					// Add health bar to tower
					var healthBarOutline = game.addChild(LK.getAsset('healthBarOutline', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 120
					}));
					var healthBar = game.addChild(LK.getAsset('healthBar', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 120,
						tint: 0x00ff00
					}));
					newTower.healthBarOutline = healthBarOutline;
					newTower.healthBar = healthBar;
					newTower.takeDamage = function (damage) {
						newTower.health -= damage;
						if (newTower.health <= 0) {
							newTower.health = 0;
						}
						// Update health bar
						var healthPercentage = newTower.health / newTower.maxHealth;
						newTower.healthBar.scaleX = healthPercentage;
						// Change color based on health
						if (healthPercentage > 0.6) {
							newTower.healthBar.tint = 0x00ff00; // Green
						} else if (healthPercentage > 0.3) {
							newTower.healthBar.tint = 0xffff00; // Yellow
						} else {
							newTower.healthBar.tint = 0xff0000; // Red
						}
					};
					towers.push(newTower);
					// Check for enemies in range immediately after placing
					for (var i = 0; i < enemies.length; i++) {
						var enemy = enemies[i];
						// Check if enemy is on the same horizontal line as the tower (within 50 pixels tolerance)
						if (Math.abs(enemy.y - newTower.y) < 50) {
							// Check if enemy is to the right of the tower and within range of 600 pixels
							if (enemy.x > newTower.x && enemy.x - newTower.x < 600) {
								// Fire immediately
								newTower.lastFireTime = LK.ticks;
								// Switch dog asset to dog1 for fart animation
								var fartingDog = game.addChild(LK.getAsset('Dog1', {
									anchorX: 0.5,
									anchorY: 0.5,
									x: newTower.x,
									y: newTower.y,
									alpha: 1
								}));
								// Copy tower properties to the new farting dog
								fartingDog._assetId = 'Dog';
								fartingDog.health = newTower.health;
								fartingDog.maxHealth = newTower.maxHealth;
								fartingDog.isBeingDamaged = newTower.isBeingDamaged;
								fartingDog.lastDamageTime = newTower.lastDamageTime;
								fartingDog.lastFireTime = newTower.lastFireTime;
								fartingDog.healthBarOutline = newTower.healthBarOutline;
								fartingDog.healthBar = newTower.healthBar;
								fartingDog.takeDamage = newTower.takeDamage;
								// Replace tower in towers array
								for (var towerIndex = 0; towerIndex < towers.length; towerIndex++) {
									if (towers[towerIndex] === newTower) {
										towers[towerIndex] = fartingDog;
										break;
									}
								}
								// Remove original tower
								newTower.destroy();
								// Create gas cloud visual
								var gasCloud = game.addChild(LK.getAsset('GasCloud', {
									anchorX: 0.5,
									anchorY: 0.5,
									x: fartingDog.x + 150,
									y: fartingDog.y,
									scaleX: 1.5,
									scaleY: 1.5,
									alpha: 0.6,
									tint: 0x90EE90
								}));
								// Animate gas cloud expanding and fading
								tween(gasCloud, {
									scaleX: 2.5,
									scaleY: 2.5,
									alpha: 0.2
								}, {
									duration: 1000,
									easing: tween.easeOut,
									onFinish: function onFinish() {
										gasCloud.destroy();
									}
								});
								// Switch back to normal dog after 500ms
								LK.setTimeout(function () {
									fartingDog.destroy();
									var normalDog = game.addChild(LK.getAsset('Dog', {
										anchorX: 0.5,
										anchorY: 0.5,
										x: fartingDog.x,
										y: fartingDog.y,
										alpha: 1
									}));
									// Copy properties back to normal dog
									normalDog._assetId = 'Dog';
									normalDog.health = fartingDog.health;
									normalDog.maxHealth = fartingDog.maxHealth;
									normalDog.isBeingDamaged = fartingDog.isBeingDamaged;
									normalDog.lastDamageTime = fartingDog.lastDamageTime;
									normalDog.lastFireTime = fartingDog.lastFireTime;
									normalDog.healthBarOutline = fartingDog.healthBarOutline;
									normalDog.healthBar = fartingDog.healthBar;
									normalDog.takeDamage = fartingDog.takeDamage;
									// Replace in towers array
									for (var towerIndex = 0; towerIndex < towers.length; towerIndex++) {
										if (towers[towerIndex] === fartingDog) {
											towers[towerIndex] = normalDog;
											break;
										}
									}
								}, 500);
								// Deal damage to enemy if affected by gas
								var isAffectedByGas = true;
								if (enemy.attachedAssets && enemy.attachedAssets.length > 0) {
									var enemyAssetId = enemy.attachedAssets[0].assetId;
									if (enemyAssetId === 'Robot' || enemyAssetId === 'Drone' || enemyAssetId === 'SpaceDrone' || enemyAssetId === 'Probedroid') {
										isAffectedByGas = false;
									}
								}
								if (isAffectedByGas) {
									enemy.takeDamage(2);
									// Robot fires back when hit by gas tower
									if (enemy.fireBackAtTower) {
										enemy.fireBackAtTower(fartingDog);
									}
								}
								break; // Found an enemy in range
							}
						}
					}
					// Sort all towers by Y position (higher Y values should be in front)
					towers.sort(function (a, b) {
						return a.y - b.y;
					});
					// Re-add towers to game in sorted order
					for (var i = 0; i < towers.length; i++) {
						game.removeChild(towers[i]);
						game.addChild(towers[i]);
					}
					// Deduct cost and update display
					playerCash -= 20;
					cashText.setText('Cash: $' + playerCash);
					// Clean up placement mode
					isPlacingTower = false;
					selectedTowerType = null;
					// Destroy preview blades if they exist
					if (towerPreview.blades) {
						towerPreview.blades.destroy();
					}
					// Destroy preview plasma if it exists
					if (towerPreview.plasma) {
						towerPreview.plasma.destroy();
					}
					// Clean up any remaining water squirts
					for (var waterIndex = game.children.length - 1; waterIndex >= 0; waterIndex--) {
						var child = game.children[waterIndex];
						if (child.assetId === 'Water') {
							child.destroy();
						}
					}
					towerPreview.destroy();
					towerPreview = null;
					confirmButton.destroy();
					confirmButton = null;
				}
			};
		}
	};
	// Add Airbutton to the right side of gasbutton
	var airButton = game.addChild(LK.getAsset('Airbutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 426.67 + 50 + 420 + 50 + 50,
		y: 2732 - 350
	}));
	// Air button click handler
	airButton.down = function (x, y, obj) {
		// Check if player has enough cash
		if (playerCash >= 30) {
			// Start tower placement mode
			isPlacingTower = true;
			selectedTowerType = 'air';
			// Create tower preview
			if (towerPreview) {
				towerPreview.destroy();
			}
			towerPreview = game.addChild(LK.getAsset('Fan', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0.5
			}));
			// Add blades to fan preview
			var previewBlades = game.addChild(LK.getAsset('Blades', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: towerPreview.x + 50,
				y: towerPreview.y - 40 - 100 + 25 + 25,
				alpha: 0.5
			}));
			// Store blades reference in tower preview
			towerPreview.blades = previewBlades;
			// Create green tick button for confirming placement
			if (confirmButton) {
				confirmButton.destroy();
			}
			confirmButton = game.addChild(new Button());
			confirmButton.setup({
				text: '✓',
				backgroundColor: 0x00FF00,
				textColor: 0xFFFFFF,
				width: 120,
				height: 120,
				fontSize: 80
			});
			confirmButton.x = 2048 - 150;
			confirmButton.y = 2732 / 2;
			confirmButton.onClick = function () {
				// Place tower at current preview position
				if (towerPreview) {
					// Align tower position to nearest guidelines
					var alignedX = getNearestGuidelineX(towerPreview.x);
					var alignedY = getNearestGuidelineY(towerPreview.y);
					// Check if tower can be placed at this position
					if (!canPlaceTowerAt(alignedX, alignedY)) {
						// Flash red to indicate invalid placement
						LK.effects.flashObject(towerPreview, 0xff0000, 500);
						return;
					}
					// Create spinning animation for blades
					var _spinBlades = function spinBlades() {
						tween(blades, {
							rotation: blades.rotation + Math.PI * 2
						}, {
							duration: 500,
							easing: tween.linear,
							onFinish: _spinBlades
						});
					};
					var newTower = game.addChild(LK.getAsset('Fan', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY,
						alpha: 1
					}));
					// Add blades asset to fan tower
					var blades = game.addChild(LK.getAsset('Blades', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x + 50,
						y: newTower.y - 40 - 100 + 25 + 25
					}));
					_spinBlades();
					// Store blades reference in tower
					newTower.blades = blades;
					newTower.health = 100;
					newTower.maxHealth = 100;
					newTower.isBeingDamaged = false;
					newTower.lastDamageTime = 0;
					// Add cooldown properties for fan
					newTower.cooldownTimer = 0;
					newTower.cooldownDuration = 20 * 60; // 20 seconds at 60fps
					newTower.cooldownActive = false;
					newTower.isRunning = true;
					// Add health bar to tower
					var healthBarOutline = game.addChild(LK.getAsset('healthBarOutline', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 170
					}));
					var healthBar = game.addChild(LK.getAsset('healthBar', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 170,
						tint: 0x00ff00
					}));
					newTower.healthBarOutline = healthBarOutline;
					newTower.healthBar = healthBar;
					newTower.takeDamage = function (damage) {
						newTower.health -= damage;
						if (newTower.health <= 0) {
							newTower.health = 0;
						}
						// Update health bar
						var healthPercentage = newTower.health / newTower.maxHealth;
						newTower.healthBar.scaleX = healthPercentage;
						// Change color based on health
						if (healthPercentage > 0.6) {
							newTower.healthBar.tint = 0x00ff00; // Green
						} else if (healthPercentage > 0.3) {
							newTower.healthBar.tint = 0xffff00; // Yellow
						} else {
							newTower.healthBar.tint = 0xff0000; // Red
						}
					};
					towers.push(newTower);
					// Sort all towers by Y position (higher Y values should be in front)
					towers.sort(function (a, b) {
						return a.y - b.y;
					});
					// Re-add towers to game in sorted order
					for (var i = 0; i < towers.length; i++) {
						game.removeChild(towers[i]);
						game.addChild(towers[i]);
						// Re-add blades if this tower has them to ensure they render in front
						if (towers[i].blades) {
							game.removeChild(towers[i].blades);
							game.addChild(towers[i].blades);
						}
					}
					// Deduct cost and update display
					playerCash -= 30;
					cashText.setText('Cash: $' + playerCash);
					// Clean up placement mode
					isPlacingTower = false;
					selectedTowerType = null;
					// Clean up placement mode
					isPlacingTower = false;
					selectedTowerType = null;
					// Destroy preview blades if they exist
					if (towerPreview && towerPreview.blades) {
						towerPreview.blades.destroy();
						towerPreview.blades = null;
					}
					// Destroy preview plasma if it exists
					if (towerPreview && towerPreview.plasma) {
						towerPreview.plasma.destroy();
						towerPreview.plasma = null;
					}
					// Clean up any remaining water squirts
					for (var waterIndex = game.children.length - 1; waterIndex >= 0; waterIndex--) {
						var child = game.children[waterIndex];
						if (child.assetId === 'Water') {
							child.destroy();
						}
					}
					if (towerPreview) {
						towerPreview.destroy();
						towerPreview = null;
					}
					if (confirmButton) {
						confirmButton.destroy();
						confirmButton = null;
					}
				}
			};
		}
	};
	// Add Firebutton to the right side of airbutton
	var fireButton = game.addChild(LK.getAsset('Firebutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 426.67 + 50 + 420 + 50 + 426 + 50 + 50,
		y: 2732 - 350
	}));
	// Fire button click handler
	fireButton.down = function (x, y, obj) {
		// Check if player has enough cash
		if (playerCash >= 40) {
			// Start tower placement mode
			isPlacingTower = true;
			selectedTowerType = 'fire';
			// Create tower preview
			if (towerPreview) {
				towerPreview.destroy();
			}
			towerPreview = game.addChild(LK.getAsset('Fireworks', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0.5
			}));
			// Create green tick button for confirming placement
			if (confirmButton) {
				confirmButton.destroy();
			}
			confirmButton = game.addChild(new Button());
			confirmButton.setup({
				text: '✓',
				backgroundColor: 0x00FF00,
				textColor: 0xFFFFFF,
				width: 120,
				height: 120,
				fontSize: 80
			});
			confirmButton.x = 2048 - 150;
			confirmButton.y = 2732 / 2;
			confirmButton.onClick = function () {
				// Place tower at current preview position
				if (towerPreview) {
					// Align tower position to nearest guidelines
					var alignedX = getNearestGuidelineX(towerPreview.x);
					var alignedY = getNearestGuidelineY(towerPreview.y);
					// Check if tower can be placed at this position
					if (!canPlaceTowerAt(alignedX, alignedY)) {
						// Flash red to indicate invalid placement
						LK.effects.flashObject(towerPreview, 0xff0000, 500);
						return;
					}
					var newTower = game.addChild(LK.getAsset('Fireworks', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY,
						alpha: 1
					}));
					newTower._assetId = 'Fireworks'; // Mark this as a fire tower
					newTower.health = 100;
					newTower.maxHealth = 100;
					newTower.isBeingDamaged = false;
					newTower.lastDamageTime = 0;
					// Add health bar to tower
					var healthBarOutline = game.addChild(LK.getAsset('healthBarOutline', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 210
					}));
					var healthBar = game.addChild(LK.getAsset('healthBar', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 210,
						tint: 0x00ff00
					}));
					newTower.healthBarOutline = healthBarOutline;
					newTower.healthBar = healthBar;
					newTower.takeDamage = function (damage) {
						newTower.health -= damage;
						if (newTower.health <= 0) {
							newTower.health = 0;
						}
						// Update health bar
						var healthPercentage = newTower.health / newTower.maxHealth;
						newTower.healthBar.scaleX = healthPercentage;
						// Change color based on health
						if (healthPercentage > 0.6) {
							newTower.healthBar.tint = 0x00ff00; // Green
						} else if (healthPercentage > 0.3) {
							newTower.healthBar.tint = 0xffff00; // Yellow
						} else {
							newTower.healthBar.tint = 0xff0000; // Red
						}
					};
					towers.push(newTower);
					// Check for enemies in range immediately after placing
					for (var i = 0; i < enemies.length; i++) {
						var enemy = enemies[i];
						// Check if enemy is on the same horizontal line as the tower (within 50 pixels tolerance)
						if (Math.abs(enemy.y - newTower.y) < 50) {
							// Check if enemy is to the right of the tower and within range of 1000 pixels
							if (enemy.x > newTower.x && enemy.x - newTower.x < 1000) {
								// Fire immediately
								newTower.lastFireTime = LK.ticks;
								// Create fireball projectile
								var fireball = game.addChild(LK.getAsset('Fireball', {
									anchorX: 0.5,
									anchorY: 0.5,
									x: newTower.x + 50,
									y: newTower.y,
									scaleX: 0.5,
									scaleY: 0.5,
									rotation: 35 * Math.PI / 180
								}));
								fireball.createdTime = LK.ticks; // Track creation time for cleanup
								fireball.targetX = enemy.x;
								fireball.targetY = enemy.y;
								fireball.speed = 8;
								fireball.damage = 15;
								// Calculate direction to enemy
								var deltaX = enemy.x - fireball.x;
								var deltaY = enemy.y - fireball.y;
								var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
								fireball.velocityX = deltaX / distance * fireball.speed;
								fireball.velocityY = deltaY / distance * fireball.speed;
								// Animate fireball movement
								var fireballInterval = LK.setInterval(function () {
									fireball.x += fireball.velocityX;
									fireball.y += fireball.velocityY;
									// Check if fireball hit any enemy
									for (var enemyIndex = 0; enemyIndex < enemies.length; enemyIndex++) {
										var targetEnemy = enemies[enemyIndex];
										var fireballDistance = Math.sqrt(Math.pow(fireball.x - targetEnemy.x, 2) + Math.pow(fireball.y - targetEnemy.y, 2));
										if (fireballDistance < 80) {
											// Hit enemy - deal damage
											targetEnemy.takeDamage(fireball.damage);
											// Robot fires back when hit by fire tower
											if (targetEnemy.fireBackAtTower) {
												targetEnemy.fireBackAtTower(newTower);
											}
											// Remove fireball
											LK.clearInterval(fireballInterval);
											fireball.destroy();
											return;
										}
									}
									// Check if fireball went off screen
									if (fireball.x > 2048 + 100 || fireball.x < -100 || fireball.y > 2732 + 100 || fireball.y < -100) {
										LK.clearInterval(fireballInterval);
										fireball.destroy();
									}
								}, 16);
								break; // Found an enemy in range
							}
						}
					}
					// Sort all towers by Y position (higher Y values should be in front)
					towers.sort(function (a, b) {
						return a.y - b.y;
					});
					// Re-add towers to game in sorted order
					for (var i = 0; i < towers.length; i++) {
						game.removeChild(towers[i]);
						game.addChild(towers[i]);
					}
					// Deduct cost and update display
					playerCash -= 40;
					cashText.setText('Cash: $' + playerCash);
					// Clean up placement mode
					isPlacingTower = false;
					selectedTowerType = null;
					// Destroy preview blades if they exist
					if (towerPreview.blades) {
						towerPreview.blades.destroy();
					}
					// Destroy preview plasma if it exists
					if (towerPreview.plasma) {
						towerPreview.plasma.destroy();
					}
					// Clean up any remaining water squirts
					for (var waterIndex = game.children.length - 1; waterIndex >= 0; waterIndex--) {
						var child = game.children[waterIndex];
						if (child.assetId === 'Water') {
							child.destroy();
						}
					}
					towerPreview.destroy();
					towerPreview = null;
					confirmButton.destroy();
					confirmButton = null;
				}
			};
		}
	};
	// Add mystery button under air button
	var mysteryButton1 = game.addChild(LK.getAsset('Mysterybutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 426.67 + 50 + 420 + 50 + 50,
		y: 2732 - 350 + 200 + 20
	}));
	// Add Electricbutton to bottom of screen under water button
	var electricButton = game.addChild(LK.getAsset('Electricbutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 50,
		y: 2732 - 350 + 200 + 20
	}));
	// Electric button click handler
	electricButton.down = function (x, y, obj) {
		// Check if player has enough cash
		if (playerCash >= 50) {
			// Start tower placement mode
			isPlacingTower = true;
			selectedTowerType = 'electric';
			// Create tower preview
			if (towerPreview) {
				towerPreview.destroy();
			}
			towerPreview = game.addChild(LK.getAsset('Bugzapper', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0.5
			}));
			// Create green tick button for confirming placement
			if (confirmButton) {
				confirmButton.destroy();
			}
			confirmButton = game.addChild(new Button());
			confirmButton.setup({
				text: '✓',
				backgroundColor: 0x00FF00,
				textColor: 0xFFFFFF,
				width: 120,
				height: 120,
				fontSize: 80
			});
			confirmButton.x = 2048 - 150;
			confirmButton.y = 2732 / 2;
			confirmButton.onClick = function () {
				// Place tower at current preview position
				if (towerPreview) {
					// Align tower position to nearest guidelines
					var alignedX = getNearestGuidelineX(towerPreview.x);
					var alignedY = getNearestGuidelineY(towerPreview.y);
					// Check if tower can be placed at this position
					if (!canPlaceTowerAt(alignedX, alignedY)) {
						// Flash red to indicate invalid placement
						LK.effects.flashObject(towerPreview, 0xff0000, 500);
						return;
					}
					var newTower = game.addChild(LK.getAsset('Bugzapper', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY,
						alpha: 1
					}));
					newTower._assetId = 'Bugzapper'; // Mark this as an electric tower
					newTower.health = 100;
					newTower.maxHealth = 100;
					newTower.isBeingDamaged = false;
					newTower.lastDamageTime = 0;
					// Add health bar to tower
					var healthBarOutline = game.addChild(LK.getAsset('healthBarOutline', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 210
					}));
					var healthBar = game.addChild(LK.getAsset('healthBar', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 210,
						tint: 0x00ff00
					}));
					newTower.healthBarOutline = healthBarOutline;
					newTower.healthBar = healthBar;
					newTower.takeDamage = function (damage) {
						newTower.health -= damage;
						if (newTower.health <= 0) {
							newTower.health = 0;
						}
						// Update health bar
						var healthPercentage = newTower.health / newTower.maxHealth;
						newTower.healthBar.scaleX = healthPercentage;
						// Change color based on health
						if (healthPercentage > 0.6) {
							newTower.healthBar.tint = 0x00ff00; // Green
						} else if (healthPercentage > 0.3) {
							newTower.healthBar.tint = 0xffff00; // Yellow
						} else {
							newTower.healthBar.tint = 0xff0000; // Red
						}
					};
					towers.push(newTower);
					// Initialize zap arrays for electric tower
					newTower.activeZaps = [];
					newTower.zapTargets = [];
					// Check for enemies in range immediately after placing
					for (var i = 0; i < enemies.length; i++) {
						var enemy = enemies[i];
						// Check if enemy is on the same horizontal line as the tower (within 50 pixels tolerance)
						if (Math.abs(enemy.y - newTower.y) < 50) {
							// Check if enemy is to the right of the tower and within range of 800 pixels
							if (enemy.x > newTower.x && enemy.x - newTower.x < 800) {
								// Create zap3 visual positioned at enemy's location
								var newZap = game.addChild(LK.getAsset('Zap3', {
									anchorX: 0.5,
									anchorY: 0.5,
									x: enemy.x - 400,
									y: enemy.y,
									scaleX: 1.0,
									scaleY: 1.0,
									alpha: 0.9,
									tint: 0x00FFFF
								}));
								// Store zap effect and target
								newTower.activeZaps.push(newZap);
								newTower.zapTargets.push(enemy);
								// Deal damage to enemy
								enemy.takeDamage(20);
								// Make electric effect visible when hit by electricity
								enemy.showElectricEffect();
								// Robot fires back when hit by electric tower
								if (enemy.fireBackAtTower) {
									enemy.fireBackAtTower(newTower);
								}
								break; // Found an enemy in range
							}
						}
					}
					// Sort all towers by Y position (higher Y values should be in front)
					towers.sort(function (a, b) {
						return a.y - b.y;
					});
					// Re-add towers to game in sorted order
					for (var i = 0; i < towers.length; i++) {
						game.removeChild(towers[i]);
						game.addChild(towers[i]);
					}
					// Deduct cost and update display
					playerCash -= 50;
					cashText.setText('Cash: $' + playerCash);
					// Clean up placement mode
					isPlacingTower = false;
					selectedTowerType = null;
					// Destroy preview blades if they exist
					if (towerPreview.blades) {
						towerPreview.blades.destroy();
					}
					// Destroy preview plasma if it exists
					if (towerPreview.plasma) {
						towerPreview.plasma.destroy();
					}
					// Clean up any remaining water squirts
					for (var waterIndex = game.children.length - 1; waterIndex >= 0; waterIndex--) {
						var child = game.children[waterIndex];
						if (child.assetId === 'Water') {
							child.destroy();
						}
					}
					towerPreview.destroy();
					towerPreview = null;
					confirmButton.destroy();
					confirmButton = null;
				}
			};
		}
	};
	// Add Plasmabutton to bottom of screen under gas button
	var plasmaButton = game.addChild(LK.getAsset('Plasmabutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 426.67 + 50 + 50,
		y: 2732 - 350 + 200 + 20
	}));
	// Plasma button click handler
	plasmaButton.down = function (x, y, obj) {
		// Check if player has enough cash
		if (playerCash >= 60) {
			// Start tower placement mode
			isPlacingTower = true;
			selectedTowerType = 'plasma';
			// Create tower preview
			if (towerPreview) {
				towerPreview.destroy();
			}
			towerPreview = game.addChild(LK.getAsset('Plasmaball', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0.5
			}));
			// Add plasma asset to plasma tower preview and render it in front
			var previewPlasma = game.addChild(LK.getAsset('Plasma', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: towerPreview.x,
				y: towerPreview.y - 20,
				alpha: 0.5
			}));
			// Store plasma reference in tower preview
			towerPreview.plasma = previewPlasma;
			// Start plasma animation for preview
			animatePlasma(previewPlasma);
			// Create green tick button for confirming placement
			if (confirmButton) {
				confirmButton.destroy();
			}
			confirmButton = game.addChild(new Button());
			confirmButton.setup({
				text: '✓',
				backgroundColor: 0x00FF00,
				textColor: 0xFFFFFF,
				width: 120,
				height: 120,
				fontSize: 80
			});
			confirmButton.x = 2048 - 150;
			confirmButton.y = 2732 / 2;
			confirmButton.onClick = function () {
				// Place tower at current preview position
				if (towerPreview) {
					// Align tower position to nearest guidelines
					var alignedX = getNearestGuidelineX(towerPreview.x);
					var alignedY = getNearestGuidelineY(towerPreview.y);
					// Check if tower can be placed at this position
					if (!canPlaceTowerAt(alignedX, alignedY)) {
						// Flash red to indicate invalid placement
						LK.effects.flashObject(towerPreview, 0xff0000, 500);
						return;
					}
					var newTower = game.addChild(LK.getAsset('Plasmaball', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: alignedX,
						y: alignedY,
						alpha: 1
					}));
					// Add plasma asset to plasmaball tower and render it in front
					var plasma = game.addChild(LK.getAsset('Plasma', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 20,
						alpha: 1
					}));
					// Store plasma reference in tower
					newTower.plasma = plasma;
					// Start plasma animation
					animatePlasma(plasma);
					newTower.health = 100;
					newTower.maxHealth = 100;
					newTower.isBeingDamaged = false;
					newTower.lastDamageTime = 0;
					// Add health bar to tower
					var healthBarOutline = game.addChild(LK.getAsset('healthBarOutline', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 150
					}));
					var healthBar = game.addChild(LK.getAsset('healthBar', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: newTower.x,
						y: newTower.y - 150,
						tint: 0x00ff00
					}));
					newTower.healthBarOutline = healthBarOutline;
					newTower.healthBar = healthBar;
					newTower.takeDamage = function (damage) {
						newTower.health -= damage;
						if (newTower.health <= 0) {
							newTower.health = 0;
						}
						// Update health bar
						var healthPercentage = newTower.health / newTower.maxHealth;
						newTower.healthBar.scaleX = healthPercentage;
						// Change color based on health
						if (healthPercentage > 0.6) {
							newTower.healthBar.tint = 0x00ff00; // Green
						} else if (healthPercentage > 0.3) {
							newTower.healthBar.tint = 0xffff00; // Yellow
						} else {
							newTower.healthBar.tint = 0xff0000; // Red
						}
					};
					towers.push(newTower);
					// Check for enemies in range immediately after placing
					var enemiesInRange = [];
					for (var i = 0; i < enemies.length; i++) {
						var enemy = enemies[i];
						var distance = Math.sqrt(Math.pow(enemy.x - newTower.x, 2) + Math.pow(enemy.y - newTower.y, 2));
						if (distance <= 800) {
							enemiesInRange.push(enemy);
						}
					}
					// If enemies are in range, start attack immediately
					if (enemiesInRange.length > 0) {
						newTower.plasmaAttackActive = true;
						newTower.plasmaAttackStartTime = LK.ticks;
						newTower.plasmaRays = [];
						// Create 10 plasma ray assets
						for (var j = 0; j < 10; j++) {
							var angle = j * 36 * Math.PI / 180;
							var rayX = newTower.x + Math.cos(angle) * 150;
							var rayY = newTower.y + Math.sin(angle) * 150;
							var plasmaRay = game.addChild(LK.getAsset('Plasmaray1', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: rayX,
								y: rayY,
								rotation: angle + Math.PI / 2,
								alpha: 0.8,
								scaleX: 0.8,
								scaleY: 0.8
							}));
							newTower.plasmaRays.push(plasmaRay);
						}
						// Deal damage to enemies in range
						for (var i = 0; i < enemiesInRange.length; i++) {
							var enemy = enemiesInRange[i];
							enemy.takeDamage(30);
							// Make electric effect visible when hit by plasma
							enemy.showElectricEffect();
							// Robot fires back when hit by plasma tower
							if (enemy.fireBackAtTower) {
								enemy.fireBackAtTower(newTower);
							}
						}
					}
					// Sort all towers by Y position (higher Y values should be in front)
					towers.sort(function (a, b) {
						return a.y - b.y;
					});
					// Re-add towers to game in sorted order
					for (var i = 0; i < towers.length; i++) {
						game.removeChild(towers[i]);
						game.addChild(towers[i]);
						// Re-add plasma if this tower has it to ensure it renders in front
						if (towers[i].plasma) {
							game.removeChild(towers[i].plasma);
							game.addChild(towers[i].plasma);
							// Restart plasma animation after re-adding
							animatePlasma(towers[i].plasma);
						}
					}
					// Deduct cost and update display
					playerCash -= 60;
					cashText.setText('Cash: $' + playerCash);
					// Clean up placement mode
					isPlacingTower = false;
					selectedTowerType = null;
					// Destroy preview plasma if it exists
					if (towerPreview.plasma) {
						towerPreview.plasma.destroy();
					}
					// Clean up any remaining water squirts
					for (var waterIndex = game.children.length - 1; waterIndex >= 0; waterIndex--) {
						var child = game.children[waterIndex];
						if (child.assetId === 'Water') {
							child.destroy();
						}
					}
					towerPreview.destroy();
					towerPreview = null;
					confirmButton.destroy();
					confirmButton = null;
				}
			};
		}
	};
	// Add mystery button under fire button
	var mysteryButton2 = game.addChild(LK.getAsset('Mysterybutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 4 - 250 + 426.67 + 50 + 420 + 50 + 426 + 50 + 50,
		y: 2732 - 350 + 200 + 20
	}));
}
function spawnEnemy() {
	if (enemiesSpawned >= maxEnemiesInWave) return;
	var enemy;
	if (currentWave === 1) {
		enemy = game.addChild(new Enemy());
	} else if (currentWave === 2) {
		enemy = game.addChild(new Drone());
	} else if (currentWave === 3) {
		enemy = game.addChild(new Robot());
	} else if (currentWave === 4) {
		enemy = game.addChild(new SpaceDrone());
	} else if (currentWave === 5) {
		enemy = game.addChild(new UFO());
	}
	// Position enemy at the right side of the screen
	enemy.x = 2048 - 50; // Start from right side
	// Randomly assign path from all 6 available lines
	var availableLines = [1, 2, 3, 4, 5, 6];
	var randomLineIndex = Math.floor(Math.random() * availableLines.length);
	var selectedLine = availableLines[randomLineIndex];
	// Set enemy position based on randomly selected line
	if (selectedLine === 1) {
		enemy.y = pathPositions.line1;
		enemy.pathLine = 1;
	} else if (selectedLine === 2) {
		enemy.y = pathPositions.line2;
		enemy.pathLine = 2;
	} else if (selectedLine === 3) {
		enemy.y = pathPositions.line3;
		enemy.pathLine = 3;
	} else if (selectedLine === 4) {
		enemy.y = pathPositions.line4;
		enemy.pathLine = 4;
	} else if (selectedLine === 5) {
		enemy.y = pathPositions.line5;
		enemy.pathLine = 5;
	} else if (selectedLine === 6) {
		enemy.y = pathPositions.line6;
		enemy.pathLine = 6;
	}
	enemy.health = 100;
	enemy.maxHealth = 100;
	enemy.speed = -2; // Negative speed to move left
	enemy.pathIndex = 0;
	enemy.lastPathIndex = -1;
	enemies.push(enemy);
	enemiesSpawned++;
}
function updateEnemies() {
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Move enemy using its speed (negative for left movement)
		enemy.x += enemy.speed * gameSpeed;
		// Check if enemy reached the left side of the screen (goal)
		if (enemy.lastX >= 0 && enemy.x < 0) {
			// Enemy reached the goal - player loses a life
			playerLives -= 1;
			// Update lives display using direct reference
			if (livesText) {
				livesText.setText('Lives: ' + playerLives);
			}
			// Check if player has no lives left
			if (playerLives <= 0) {
				// Game over - show game over screen
				LK.showGameOver();
				return;
			}
			// Track wave completion
			if (currentWave === 1) {
				wave1EnemiesCompleted++;
			} else if (currentWave === 2) {
				wave2EnemiesCompleted++;
			} else if (currentWave === 3) {
				wave3EnemiesCompleted++;
			}
			// Enemy reached the left side - remove it
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Check each tower type separately (no early exits)
		for (var j = 0; j < towers.length; j++) {
			var tower = towers[j];
			// Check if tower is a water tower (Tower1 asset)
			if (tower._assetId === 'Tower1') {
				// Check if enemy is on the same horizontal line as the tower (within 50 pixels tolerance)
				if (Math.abs(enemy.y - tower.y) < 50) {
					// Check if enemy is to the right of the tower and within range of 700 pixels
					if (enemy.x > tower.x && enemy.x - tower.x < 700) {
						// Initialize fire rate tracking for this tower
						if (!tower.lastFireTime) {
							tower.lastFireTime = 0;
						}
						// Fire every 30 ticks (0.5 seconds at 60fps)
						if (LK.ticks - tower.lastFireTime >= 30 / gameSpeed) {
							tower.lastFireTime = LK.ticks;
							// Create water squirt visual
							var waterSquirt = game.addChild(LK.getAsset('Water', {
								anchorX: 0,
								anchorY: 0.5,
								x: tower.x,
								y: tower.y,
								scaleX: 0.3,
								scaleY: 0.1,
								alpha: 0.7,
								tint: 0x4169E1
							})); // Track water squirt for cleanup
							waterSquirts.push(waterSquirt);
							// Animate water squirt
							tween(waterSquirt, {
								scaleX: 0.35,
								alpha: 0.3
							}, {
								duration: 500,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									// Remove from tracking array when destroyed
									for (var squirtIndex = 0; squirtIndex < waterSquirts.length; squirtIndex++) {
										if (waterSquirts[squirtIndex] === waterSquirt) {
											waterSquirts.splice(squirtIndex, 1);
											break;
										}
									}
									waterSquirt.destroy();
								}
							});
							// Deal damage to enemy
							enemy.takeDamage(8);
							// Make electric effect visible when hit by water
							enemy.showElectricEffect();
							// Robot fires back when hit by water tower
							if (enemy.fireBackAtTower) {
								enemy.fireBackAtTower(tower);
							}
							// Check if enemy is destroyed
							if (enemy.health <= 0) {
								// Create explosion effect when probedroid is destroyed by water
								var waterExplosion = game.addChild(LK.getAsset('Explosion', {
									anchorX: 0.5,
									anchorY: 0.5,
									x: enemy.x,
									y: enemy.y,
									scaleX: 0.3,
									scaleY: 0.3
								})); // Animate explosion with tween
								tween(waterExplosion, {
									scaleX: 1.2,
									scaleY: 1.2,
									alpha: 0
								}, {
									duration: 1000,
									easing: tween.easeOut,
									onFinish: function onFinish() {
										waterExplosion.destroy();
									}
								});
								enemy.destroy();
								enemies.splice(i, 1);
								// Give player money for destroying enemy
								playerCash += 5;
								cashText.setText('Cash: $' + playerCash);
								// Give player additional $5 cash for water tower kill
								playerCash += 5;
								cashText.setText('Cash: $' + playerCash);
								// Award 50 points for kill
								playerScore += 50;
								LK.setScore(playerScore);
								if (window.scoreText) {
									window.scoreText.setText('Score: ' + playerScore);
								}
								// Track wave completion
								if (currentWave === 1) {
									wave1EnemiesCompleted++;
								} else if (currentWave === 2) {
									wave2EnemiesCompleted++;
								} else if (currentWave === 3) {
									wave3EnemiesCompleted++;
								}
								i--; // Adjust index since we removed an enemy
								return; // Exit function for this enemy
							}
						}
					}
				}
			}
			// Check if tower is a gas tower (Dog asset)
			if (tower._assetId === 'Dog') {
				// Check tower health before any firing logic - if dead, skip all processing
				if (tower.health <= 0) {
					continue; // Skip to next tower
				}
				// Check if enemy is on the same horizontal line as the tower (within 50 pixels tolerance)
				if (Math.abs(enemy.y - tower.y) < 50) {
					// Check if enemy is to the right of the tower and within range of 600 pixels
					if (enemy.x > tower.x && enemy.x - tower.x < 600) {
						// Initialize fire rate tracking for this tower
						if (!tower.lastFireTime) {
							tower.lastFireTime = 0;
						}
						// Fire every 45 ticks (0.75 seconds at 60fps)
						if (LK.ticks - tower.lastFireTime >= 45 / gameSpeed) {
							tower.lastFireTime = LK.ticks;
							// Switch dog asset to dog1 for fart animation
							tower.destroy();
							var fartingDog = game.addChild(LK.getAsset('Dog1', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: tower.x,
								y: tower.y,
								alpha: 1
							})); // Copy tower properties to the new farting dog
							fartingDog._assetId = 'Dog';
							fartingDog.health = tower.health;
							fartingDog.maxHealth = tower.maxHealth;
							fartingDog.isBeingDamaged = tower.isBeingDamaged;
							fartingDog.lastDamageTime = tower.lastDamageTime;
							fartingDog.lastFireTime = tower.lastFireTime;
							fartingDog.healthBarOutline = tower.healthBarOutline;
							fartingDog.healthBar = tower.healthBar;
							fartingDog.takeDamage = function (damage) {
								fartingDog.health -= damage;
								if (fartingDog.health <= 0) {
									fartingDog.health = 0;
								}
								// Update health bar
								var healthPercentage = fartingDog.health / fartingDog.maxHealth;
								fartingDog.healthBar.scaleX = healthPercentage;
								// Change color based on health
								if (healthPercentage > 0.6) {
									fartingDog.healthBar.tint = 0x00ff00; // Green
								} else if (healthPercentage > 0.3) {
									fartingDog.healthBar.tint = 0xffff00; // Yellow
								} else {
									fartingDog.healthBar.tint = 0xff0000; // Red
								}
							};
							// Replace tower in towers array
							for (var towerIndex = 0; towerIndex < towers.length; towerIndex++) {
								if (towers[towerIndex] === tower) {
									towers[towerIndex] = fartingDog;
									break;
								}
							}
							// Create gas cloud visual
							var gasCloud = game.addChild(LK.getAsset('GasCloud', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: tower.x + 150,
								// Position gas cloud 100 pixels further left when dog farts
								y: tower.y,
								scaleX: 1.5,
								scaleY: 1.5,
								alpha: 0.6,
								tint: 0x90EE90
							})); // Animate gas cloud expanding and fading
							tween(gasCloud, {
								scaleX: 2.5,
								scaleY: 2.5,
								alpha: 0.2
							}, {
								duration: 1000,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									gasCloud.destroy();
								}
							});
							// Switch back to normal dog after 500ms
							LK.setTimeout(function () {
								// Check if farting dog is still alive before replacing
								if (fartingDog.health <= 0) {
									// Farting dog is dead, don't replace it, just destroy it
									// Remove health bar components
									if (fartingDog.healthBarOutline) {
										fartingDog.healthBarOutline.destroy();
									}
									if (fartingDog.healthBar) {
										fartingDog.healthBar.destroy();
									}
									fartingDog.destroy();
									// Remove from towers array
									for (var towerIndex = towers.length - 1; towerIndex >= 0; towerIndex--) {
										if (towers[towerIndex] === fartingDog) {
											towers.splice(towerIndex, 1);
											break;
										}
									}
									return;
								}
								// Check if fartingDog still exists in towers array before replacing
								var fartingDogExists = false;
								for (var towerIndex = 0; towerIndex < towers.length; towerIndex++) {
									if (towers[towerIndex] === fartingDog) {
										fartingDogExists = true;
										break;
									}
								}
								if (!fartingDogExists) {
									// Farting dog was already destroyed, don't create replacement
									return;
								}
								fartingDog.destroy();
								var normalDog = game.addChild(LK.getAsset('Dog', {
									anchorX: 0.5,
									anchorY: 0.5,
									x: fartingDog.x,
									y: fartingDog.y,
									alpha: 1
								}));
								// Copy properties back to normal dog
								normalDog._assetId = 'Dog';
								normalDog.health = fartingDog.health;
								normalDog.maxHealth = fartingDog.maxHealth;
								normalDog.isBeingDamaged = fartingDog.isBeingDamaged;
								normalDog.lastDamageTime = fartingDog.lastDamageTime;
								normalDog.lastFireTime = fartingDog.lastFireTime;
								normalDog.healthBarOutline = fartingDog.healthBarOutline;
								normalDog.healthBar = fartingDog.healthBar;
								normalDog.takeDamage = fartingDog.takeDamage;
								// Check if normal dog should be destroyed immediately after replacement
								if (normalDog.health <= 0) {
									// Remove health bar components
									if (normalDog.healthBarOutline) {
										normalDog.healthBarOutline.destroy();
									}
									if (normalDog.healthBar) {
										normalDog.healthBar.destroy();
									}
									normalDog.destroy();
									// Remove from towers array
									for (var towerIndex = towers.length - 1; towerIndex >= 0; towerIndex--) {
										if (towers[towerIndex] === fartingDog) {
											towers.splice(towerIndex, 1);
											break;
										}
									}
									return;
								}
								// Replace in towers array
								for (var towerIndex = 0; towerIndex < towers.length; towerIndex++) {
									if (towers[towerIndex] === fartingDog) {
										towers[towerIndex] = normalDog;
										break;
									}
								}
							}, 500);
							// Check if enemy is affected by gas (farts don't affect robots, drones, or probe droids)
							var isAffectedByGas = true; // Check enemy asset ID to determine if it's a robot/mechanical enemy
							if (enemy.attachedAssets && enemy.attachedAssets.length > 0) {
								var enemyAssetId = enemy.attachedAssets[0].assetId;
								if (enemyAssetId === 'Robot' || enemyAssetId === 'Drone' || enemyAssetId === 'SpaceDrone' || enemyAssetId === 'Probedroid') {
									isAffectedByGas = false;
								}
							}
							// Only deal damage if enemy is affected by gas
							if (isAffectedByGas) {
								// Deal damage to enemy
								enemy.takeDamage(2);
								// Robot fires back when hit by gas tower
								if (enemy.fireBackAtTower) {
									enemy.fireBackAtTower(fartingDog);
								}
								// Check if enemy is destroyed
								if (enemy.health <= 0) {
									enemy.destroy();
									enemies.splice(i, 1);
									// Give player money for destroying enemy
									playerCash += 5;
									cashText.setText('Cash: $' + playerCash);
									// Award 50 points for kill
									playerScore += 50;
									LK.setScore(playerScore);
									if (window.scoreText) {
										window.scoreText.setText('Score: ' + playerScore);
									}
									// Track wave completion
									if (currentWave === 1) {
										wave1EnemiesCompleted++;
									} else if (currentWave === 2) {
										wave2EnemiesCompleted++;
									} else if (currentWave === 3) {
										wave3EnemiesCompleted++;
									}
									i--; // Adjust index since we removed an enemy
									return; // Exit function for this enemy
								}
							}
						}
					}
				}
			}
			// Check if tower is a bug zapper (electric tower)
			if (tower._assetId === 'Bugzapper') {
				// Initialize zap tracking arrays for this tower
				if (!tower.activeZaps) {
					tower.activeZaps = [];
					tower.zapTargets = [];
				}
				// Check if enemy is on the same horizontal line as the tower (within 100 pixels tolerance to account for path/guideline positioning differences)
				if (Math.abs(enemy.y - tower.y) < 100) {
					// Check if enemy is to the right of the tower and within range of 800 pixels
					if (enemy.x > tower.x && enemy.x - tower.x < 800) {
						// Check if this enemy already has a zap effect
						var hasZapEffect = false;
						for (var zapIndex = 0; zapIndex < tower.zapTargets.length; zapIndex++) {
							if (tower.zapTargets[zapIndex] === enemy) {
								hasZapEffect = true;
								break;
							}
						}
						// Create new zap effect for this enemy if it doesn't have one
						if (!hasZapEffect) {
							// Create zap3 visual positioned at enemy's location
							var newZap = game.addChild(LK.getAsset('Zap3', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: enemy.x - 400,
								y: enemy.y,
								scaleX: 1.0,
								scaleY: 1.0,
								alpha: 0.9,
								tint: 0x00FFFF
							}));
							// Store zap effect and target
							tower.activeZaps.push(newZap);
							tower.zapTargets.push(enemy);
							// Start zap animation for this specific effect
							var _animateZap = function animateZap(zapEffect) {
								if (zapEffect && zapEffect.parent) {
									tween(zapEffect, {
										alpha: 0.3
									}, {
										duration: 200,
										easing: tween.easeInOut,
										onFinish: function onFinish() {
											if (zapEffect && zapEffect.parent) {
												tween(zapEffect, {
													alpha: 0.9
												}, {
													duration: 200,
													easing: tween.easeInOut,
													onFinish: function onFinish() {
														_animateZap(zapEffect);
													}
												});
											}
										}
									});
								}
							};
							_animateZap(newZap);
							// Deal initial damage immediately when zap starts
							enemy.takeDamage(20);
							// Make electric effect visible when hit by electricity
							if (enemy.showElectricEffect) {
								enemy.showElectricEffect();
							}
							// Robot fires back when hit by electric tower
							if (enemy.fireBackAtTower) {
								enemy.fireBackAtTower(tower);
							}
						}
						// Deal damage continuously every 10 ticks while zapping (increased frequency for fast enemies)
						if (hasZapEffect && LK.ticks % Math.max(1, Math.floor(10 / gameSpeed)) === 0) {
							// Deal damage to enemy
							enemy.takeDamage(20);
							// Make electric effect visible when hit by electricity
							if (enemy.showElectricEffect) {
								enemy.showElectricEffect();
							}
							// Robot fires back when hit by electric tower
							if (enemy.fireBackAtTower) {
								enemy.fireBackAtTower(tower);
							}
							// Check if enemy is destroyed
							if (enemy.health <= 0) {
								// Create explosive effect when probedroid is destroyed by bugzapper
								var bugzapperExplosion = game.addChild(LK.getAsset('Explosion', {
									anchorX: 0.5,
									anchorY: 0.5,
									x: enemy.x,
									y: enemy.y,
									scaleX: 0.3,
									scaleY: 0.3
								}));
								// Animate explosion with tween
								tween(bugzapperExplosion, {
									scaleX: 1.2,
									scaleY: 1.2,
									alpha: 0
								}, {
									duration: 1000,
									easing: tween.easeOut,
									onFinish: function onFinish() {
										bugzapperExplosion.destroy();
									}
								});
								// Remove zap effect for this enemy
								for (var zapIndex = tower.activeZaps.length - 1; zapIndex >= 0; zapIndex--) {
									if (tower.zapTargets[zapIndex] === enemy) {
										tower.activeZaps[zapIndex].destroy();
										tower.activeZaps.splice(zapIndex, 1);
										tower.zapTargets.splice(zapIndex, 1);
										break;
									}
								}
								enemy.destroy();
								enemies.splice(i, 1);
								// Give player money for destroying enemy
								playerCash += 5;
								cashText.setText('Cash: $' + playerCash);
								// Award 50 points for kill
								playerScore += 50;
								LK.setScore(playerScore);
								if (window.scoreText) {
									window.scoreText.setText('Score: ' + playerScore);
								}
								// Track wave completion
								if (currentWave === 1) {
									wave1EnemiesCompleted++;
								} else if (currentWave === 2) {
									wave2EnemiesCompleted++;
								} else if (currentWave === 3) {
									wave3EnemiesCompleted++;
								}
								i--; // Adjust index since we removed an enemy
								return; // Exit function for this enemy
							}
						}
					} else {
						// Enemy is not in range, remove its zap effect
						for (var zapIndex = tower.activeZaps.length - 1; zapIndex >= 0; zapIndex--) {
							if (tower.zapTargets[zapIndex] === enemy) {
								tower.activeZaps[zapIndex].destroy();
								tower.activeZaps.splice(zapIndex, 1);
								tower.zapTargets.splice(zapIndex, 1);
								break;
							}
						}
					}
				} else {
					// Enemy is not on same line, remove its zap effect
					for (var zapIndex = tower.activeZaps.length - 1; zapIndex >= 0; zapIndex--) {
						if (tower.zapTargets[zapIndex] === enemy) {
							tower.activeZaps[zapIndex].destroy();
							tower.activeZaps.splice(zapIndex, 1);
							tower.zapTargets.splice(zapIndex, 1);
							break;
						}
					}
				}
			}
			// Check if tower is a fire tower (Fireworks asset)
			if (tower._assetId === 'Fireworks') {
				// Check if enemy is on the same horizontal line as the tower (within 50 pixels tolerance)
				if (Math.abs(enemy.y - tower.y) < 50) {
					// Check if enemy is to the right of the tower and within range of 1000 pixels
					if (enemy.x > tower.x && enemy.x - tower.x < 1000) {
						// Initialize fire rate tracking for this tower
						if (!tower.lastFireTime) {
							tower.lastFireTime = 0;
						}
						// Fire every 60 ticks (1 second at 60fps)
						if (LK.ticks - tower.lastFireTime >= 60 / gameSpeed) {
							// Store fireball properties
							// Add fire animation to fireball
							var animateFireball = function animateFireball(fireball) {
								// Pulsing scale animation
								function startFireballPulse() {
									tween(fireball, {
										scaleX: 0.6,
										scaleY: 0.6,
										alpha: 0.8
									}, {
										duration: 200,
										easing: tween.easeInOut,
										onFinish: function onFinish() {
											tween(fireball, {
												scaleX: 0.5,
												scaleY: 0.5,
												alpha: 1.0
											}, {
												duration: 200,
												easing: tween.easeInOut,
												onFinish: startFireballPulse
											});
										}
									});
								}
								// Flickering alpha animation
								function startFireballFlicker() {
									tween(fireball, {
										alpha: 0.7
									}, {
										duration: 150,
										easing: tween.easeInOut,
										onFinish: function onFinish() {
											tween(fireball, {
												alpha: 1.0
											}, {
												duration: 100,
												easing: tween.easeInOut,
												onFinish: function onFinish() {
													LK.setTimeout(function () {
														if (fireball && fireball.parent) {
															startFireballFlicker();
														}
													}, Math.random() * 300 + 100);
												}
											});
										}
									});
								}
								// Start all fire animations
								startFireballPulse();
								startFireballFlicker();
							}; // Start fire animation for this fireball
							tower.lastFireTime = LK.ticks;
							// Create fireball projectile
							var fireball = game.addChild(LK.getAsset('Fireball', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: tower.x + 50,
								y: tower.y,
								scaleX: 0.5,
								scaleY: 0.5,
								rotation: 35 * Math.PI / 180 // Rotate 35 degrees to the right
							}));
							fireball.createdTime = LK.ticks; // Track creation time for cleanup
							animateFireball(fireball);
							fireball.targetX = enemy.x;
							fireball.targetY = enemy.y;
							fireball.speed = 8;
							fireball.damage = 15;
							// Calculate direction to enemy
							var deltaX = enemy.x - fireball.x;
							var deltaY = enemy.y - fireball.y;
							var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
							fireball.velocityX = deltaX / distance * fireball.speed;
							fireball.velocityY = deltaY / distance * fireball.speed;
							// Animate fireball movement
							var fireballInterval = LK.setInterval(function () {
								fireball.x += fireball.velocityX;
								fireball.y += fireball.velocityY;
								// Check if fireball hit any enemy
								for (var enemyIndex = 0; enemyIndex < enemies.length; enemyIndex++) {
									var targetEnemy = enemies[enemyIndex];
									var fireballDistance = Math.sqrt(Math.pow(fireball.x - targetEnemy.x, 2) + Math.pow(fireball.y - targetEnemy.y, 2));
									if (fireballDistance < 80) {
										// Hit enemy - deal damage
										targetEnemy.takeDamage(fireball.damage);
										// Robot fires back when hit by fire tower
										if (targetEnemy.fireBackAtTower) {
											targetEnemy.fireBackAtTower(tower);
										}
										// Create explosion effect
										var explosion = game.addChild(LK.getAsset('Explosion', {
											anchorX: 0.5,
											anchorY: 0.5,
											x: fireball.x,
											y: fireball.y,
											scaleX: 0.3,
											scaleY: 0.3
										}));
										// Animate explosion
										tween(explosion, {
											scaleX: 0.8,
											scaleY: 0.8,
											alpha: 0
										}, {
											duration: 500,
											easing: tween.easeOut,
											onFinish: function onFinish() {
												explosion.destroy();
											}
										});
										// Check if enemy is destroyed
										if (targetEnemy.health <= 0) {
											// Check if this is a mechanical enemy that should have explosion effect
											var isMechanicalEnemy = false;
											if (targetEnemy.attachedAssets && targetEnemy.attachedAssets.length > 0) {
												var enemyAssetId = targetEnemy.attachedAssets[0].assetId;
												if (enemyAssetId === 'Robot' || enemyAssetId === 'Drone' || enemyAssetId === 'SpaceDrone' || enemyAssetId === 'Probedroid' || enemyAssetId === 'UFO') {
													isMechanicalEnemy = true;
												}
											}
											// For probe droids (current enemy type), always show explosion
											if (!isMechanicalEnemy) {
												// Check if this is a probe droid by checking the asset used
												var enemyChildren = targetEnemy.children;
												for (var childIndex = 0; childIndex < enemyChildren.length; childIndex++) {
													var child = enemyChildren[childIndex];
													if (child.assetId === 'Probedroid') {
														isMechanicalEnemy = true;
														break;
													}
												}
											}
											// Create explosion effect for mechanical enemies
											if (isMechanicalEnemy) {
												var mechanicalExplosion = game.addChild(LK.getAsset('Explosion', {
													anchorX: 0.5,
													anchorY: 0.5,
													x: targetEnemy.x,
													y: targetEnemy.y,
													scaleX: 0.2,
													scaleY: 0.2
												}));
												// Animate explosion with tween
												tween(mechanicalExplosion, {
													scaleX: 1.0,
													scaleY: 1.0,
													alpha: 0
												}, {
													duration: 800,
													easing: tween.easeOut,
													onFinish: function onFinish() {
														mechanicalExplosion.destroy();
													}
												});
											}
											targetEnemy.destroy();
											enemies.splice(enemyIndex, 1);
											// Give player money for destroying enemy
											playerCash += 5;
											cashText.setText('Cash: $' + playerCash);
											// Give player additional $10 cash for fire tower kill
											playerCash += 10;
											cashText.setText('Cash: $' + playerCash);
											// Award 50 points for kill
											playerScore += 50;
											LK.setScore(playerScore);
											if (window.scoreText) {
												window.scoreText.setText('Score: ' + playerScore);
											}
											// Track wave completion
											if (currentWave === 1) {
												wave1EnemiesCompleted++;
											} else if (currentWave === 2) {
												wave2EnemiesCompleted++;
											} else if (currentWave === 3) {
												wave3EnemiesCompleted++;
											}
										}
										// Remove fireball
										LK.clearInterval(fireballInterval);
										fireball.destroy();
										return;
									}
								}
								// Check if fireball went off screen
								if (fireball.x > 2048 + 100 || fireball.x < -100 || fireball.y > 2732 + 100 || fireball.y < -100) {
									LK.clearInterval(fireballInterval);
									fireball.destroy();
								}
							}, 16); // ~60fps
							break; // Found an enemy in range, no need to check other towers of this type
						}
					}
				}
			}
		}
		// Check collision with fan blades first (before tower collision)
		for (var k = 0; k < towers.length; k++) {
			var tower = towers[k];
			// Check if this tower has blades (fan tower) and is running (not in cooldown)
			if (tower.blades && tower.isRunning && !tower.cooldownActive) {
				// Initialize blade collision tracking for this enemy-tower pair
				if (!enemy.collidingBlades) {
					enemy.collidingBlades = {};
				}
				// Check if enemy intersects with fan blades
				var enemyWidth = 150; // Half width of probedroid
				var enemyHeight = 183; // Half height of probedroid
				var bladeWidth = 75; // Half width of blades
				var bladeHeight = 75; // Half height of blades
				var isCollidingWithBlades = Math.abs(enemy.x - tower.blades.x) < (enemyWidth + bladeWidth) / 2 && Math.abs(enemy.y - tower.blades.y) < (enemyHeight + bladeHeight) / 2;
				// Track blade collision state transitions
				var wasCollidingWithBlades = enemy.collidingBlades[k] || false;
				// Handle blade collision start
				if (!wasCollidingWithBlades && isCollidingWithBlades) {
					// Collision with blades just started
					enemy.collidingBlades[k] = true;
					// Push enemy back 400 pixels to the right
					var pushbackDistance = 400;
					var targetX = enemy.x + pushbackDistance;
					// Make sure enemy doesn't go off screen
					if (targetX > 2048 - 50) {
						targetX = 2048 - 50;
					}
					// Animate pushback using tween
					tween(enemy, {
						x: targetX
					}, {
						duration: 500,
						easing: tween.easeOut
					});
					// Inflict damage to enemy
					enemy.takeDamage(25);
					// Flash enemy to show damage
					LK.effects.flashObject(enemy, 0x0088ff, 300);
					// Robot fires back when hit by fan tower
					if (enemy.fireBackAtTower) {
						enemy.fireBackAtTower(tower);
					}
					// Check if enemy is destroyed
					if (enemy.health <= 0) {
						enemy.destroy();
						enemies.splice(i, 1);
						// Give player money for destroying enemy
						playerCash += 5;
						cashText.setText('Cash: $' + playerCash);
						// Award 50 points for kill
						playerScore += 50;
						LK.setScore(playerScore);
						if (window.scoreText) {
							window.scoreText.setText('Score: ' + playerScore);
						}
						// Track wave completion
						if (currentWave === 1) {
							wave1EnemiesCompleted++;
						} else if (currentWave === 2) {
							wave2EnemiesCompleted++;
						} else if (currentWave === 3) {
							wave3EnemiesCompleted++;
						}
						i--; // Adjust index since we removed an enemy
						break; // Exit tower loop for this enemy
					}
				} else if (!isCollidingWithBlades && wasCollidingWithBlades) {
					// Collision with blades just ended
					enemy.collidingBlades[k] = false;
				}
			}
		}
		// Check if enemy is colliding with any tower
		for (var k = 0; k < towers.length; k++) {
			var tower = towers[k];
			// Initialize collision tracking for this enemy-tower pair
			if (!enemy.collidingTowers) {
				enemy.collidingTowers = {};
			}
			// Check if enemy intersects with tower (use proper collision detection)
			var enemyWidth = 150; // Half width of probedroid
			var enemyHeight = 183; // Half height of probedroid
			var towerWidth = 100; // Half width of tower
			var towerHeight = 100; // Half height of tower
			var isColliding = Math.abs(enemy.x - tower.x) < (enemyWidth + towerWidth) / 2 && Math.abs(enemy.y - tower.y) < (enemyHeight + towerHeight) / 2;
			// Track collision state transitions
			var wasColliding = enemy.collidingTowers[k] || false;
			// Handle collision start
			if (!wasColliding && isColliding) {
				// Collision just started
				enemy.collidingTowers[k] = true;
				// Stop enemy movement
				enemy.speed = 0;
				// Mark tower as being damaged
				tower.isBeingDamaged = true;
				tower.lastDamageTime = LK.ticks;
				// Flash both objects to show collision
				LK.effects.flashObject(enemy, 0xffff00, 200);
				LK.effects.flashObject(tower, 0xff0000, 200);
			}
			// Handle ongoing collision
			if (isColliding) {
				// Deal damage every 30 ticks (0.5 seconds at 60fps)
				if (tower.isBeingDamaged && LK.ticks - tower.lastDamageTime >= 30 / gameSpeed) {
					// Flash tower red to show damage
					LK.effects.flashObject(tower, 0xff0000, 300);
					// Deal damage to tower
					tower.takeDamage(10);
					tower.lastDamageTime = LK.ticks;
					// Check if tower is destroyed - mark for destruction but don't destroy here
					if (tower.health <= 0) {
						// Resume enemy movement after destroying tower
						enemy.speed = -2;
						// Clear collision tracking for this tower
						delete enemy.collidingTowers[k];
						// Flash enemy green to show it can continue
						LK.effects.flashObject(enemy, 0x00ff00, 500);
					}
				}
			} else {
				// No longer colliding
				if (wasColliding) {
					// Collision just ended
					enemy.collidingTowers[k] = false;
					tower.isBeingDamaged = false;
					// Resume enemy movement if not colliding with any towers
					var stillColliding = false;
					for (var key in enemy.collidingTowers) {
						if (enemy.collidingTowers[key]) {
							stillColliding = true;
							break;
						}
					}
					if (!stillColliding) {
						enemy.speed = -2;
					}
				}
			}
		}
		// Update last position for next frame
		enemy.lastX = enemy.x;
	}
}
// Display the title - They Came For Our WiFi
// Import tween plugin
var titleImage = game.addChild(LK.getAsset('Title', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2 + 1400
}));
// Add skip intro button to top of title screen
var skipButton = new Text2('SKIP INTRO', {
	size: 60,
	fill: 0xFFFFFF
});
skipButton.anchor.set(0.5, 0);
skipButton.x = 2048 / 2;
skipButton.y = 150;
game.addChild(skipButton);
// Function to animate plasma pulsation and flicker
function animatePlasma(plasma) {
	if (!plasma) return;
	// Create pulsation animation - scale up and down
	function startPulsation() {
		tween(plasma, {
			scaleX: 1.3,
			scaleY: 1.3
		}, {
			duration: 800,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(plasma, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: startPulsation
				});
			}
		});
	}
	// Create flicker animation - alpha changes
	function startFlicker() {
		tween(plasma, {
			alpha: 0.5
		}, {
			duration: 300,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(plasma, {
					alpha: 1.0
				}, {
					duration: 400,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						// Random delay before next flicker
						LK.setTimeout(function () {
							startFlicker();
						}, Math.random() * 1000 + 200);
					}
				});
			}
		});
	}
	// Start both animations
	startPulsation();
	startFlicker();
}
// Function to handle plasma tower prolonged attack
function handlePlasmaAttack(tower) {
	// Check if this tower has plasma (is a plasma tower)
	if (!tower.plasma) return;
	// Initialize plasma attack tracking
	if (!tower.plasmaAttackActive) {
		tower.plasmaAttackActive = false;
		tower.plasmaRays = [];
		tower.plasmaAttackStartTime = 0;
	}
	// Check for enemies within 800 pixels radius
	var enemiesInRange = [];
	for (var i = 0; i < enemies.length; i++) {
		var enemy = enemies[i];
		var distance = Math.sqrt(Math.pow(enemy.x - tower.x, 2) + Math.pow(enemy.y - tower.y, 2));
		if (distance <= 800) {
			enemiesInRange.push(enemy);
		}
	}
	// If enemies are in range and attack is not active, start attack
	if (enemiesInRange.length > 0 && !tower.plasmaAttackActive) {
		tower.plasmaAttackActive = true;
		tower.plasmaAttackStartTime = LK.ticks;
		// Create 10 plasma ray assets
		var _loop2 = function _loop2() {
				angle = j * 36 * Math.PI / 180; // 360 degrees / 10 rays = 36 degrees each
				rayX = tower.x + Math.cos(angle) * 150;
				rayY = tower.y + Math.sin(angle) * 150;
				plasmaRay = game.addChild(LK.getAsset('Plasmaray1', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: rayX,
					y: rayY,
					rotation: angle + Math.PI / 2,
					// Rotate to point outward
					alpha: 0.8,
					scaleX: 0.8,
					scaleY: 0.8
				}));
				tower.plasmaRays.push(plasmaRay);
				// Animate plasma ray with pulsing effect
				function animatePlasmaRay(ray) {
					tween(ray, {
						alpha: 0.4,
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 400,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							tween(ray, {
								alpha: 0.9,
								scaleX: 0.8,
								scaleY: 0.8
							}, {
								duration: 400,
								easing: tween.easeInOut,
								onFinish: function onFinish() {
									if (tower.plasmaAttackActive) {
										animatePlasmaRay(ray);
									}
								}
							});
						}
					});
				}
				animatePlasmaRay(plasmaRay);
			},
			angle,
			rayX,
			rayY,
			plasmaRay;
		for (var j = 0; j < 10; j++) {
			_loop2();
		}
	}
	// If attack is active, deal damage to enemies in range
	if (tower.plasmaAttackActive && enemiesInRange.length > 0) {
		// Deal damage every 20 ticks
		if ((LK.ticks - tower.plasmaAttackStartTime) % Math.max(1, Math.floor(20 / gameSpeed)) === 0) {
			// Plasmaball loses health every time it uses plasmaray1 attack
			tower.takeDamage(3);
			// Flash tower to show it's taking damage from using plasma attack
			LK.effects.flashObject(tower, 0xff8800, 200);
			for (var i = 0; i < enemiesInRange.length; i++) {
				var enemy = enemiesInRange[i];
				enemy.takeDamage(30);
				// Make electric effect visible when hit by plasma
				enemy.showElectricEffect();
				// Robot fires back when hit by plasma tower
				if (enemy.fireBackAtTower) {
					enemy.fireBackAtTower(tower);
				}
				// Check if enemy is destroyed
				if (enemy.health <= 0) {
					// Create explosion effect
					var plasmaExplosion = game.addChild(LK.getAsset('Explosion', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: enemy.x,
						y: enemy.y,
						scaleX: 0.3,
						scaleY: 0.3
					}));
					// Animate explosion
					tween(plasmaExplosion, {
						scaleX: 1.2,
						scaleY: 1.2,
						alpha: 0
					}, {
						duration: 1000,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							plasmaExplosion.destroy();
						}
					});
					enemy.destroy();
					for (var k = 0; k < enemies.length; k++) {
						if (enemies[k] === enemy) {
							enemies.splice(k, 1);
							break;
						}
					}
					// Give player money for destroying enemy
					playerCash += 5;
					cashText.setText('Cash: $' + playerCash);
					// Award 50 points for kill
					playerScore += 50;
					LK.setScore(playerScore);
					if (window.scoreText) {
						window.scoreText.setText('Score: ' + playerScore);
					}
					// Track wave completion
					if (currentWave === 1) {
						wave1EnemiesCompleted++;
					} else if (currentWave === 2) {
						wave2EnemiesCompleted++;
					} else if (currentWave === 3) {
						wave3EnemiesCompleted++;
					}
				}
			}
		}
	}
	// If no enemies in range and attack is active, stop attack
	if (enemiesInRange.length === 0 && tower.plasmaAttackActive) {
		tower.plasmaAttackActive = false;
		// Remove all plasma rays
		for (var j = 0; j < tower.plasmaRays.length; j++) {
			tower.plasmaRays[j].destroy();
		}
		tower.plasmaRays = [];
	}
}
// Function to skip directly to backdrop scene
function skipToBackdrop() {
	// Stop all tweens
	tween.stop(titleImage);
	tween.stop(flybyImage);
	// Remove title and flyby
	titleImage.destroy();
	flybyImage.destroy();
	skipButton.destroy();
	// Add backdrop asset to game
	var backdropAsset = game.addChild(LK.getAsset('backdrop', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		alpha: 1,
		scaleX: 0.5,
		scaleY: 0.5
	}));
	// Add flyby asset to backdrop
	var backdropFlyby = game.addChild(LK.getAsset('Flyby', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 - 800,
		alpha: 1,
		scaleX: 0.1,
		scaleY: 0.1
	}));
	// Zoom in flyby to final size
	tween(backdropFlyby, {
		scaleX: 0.8,
		scaleY: 0.8
	}, {
		duration: 2000,
		easing: tween.easeInOut
	});
	// Store the original Y position for backdrop flyby
	var backdropFlybyOriginalY = backdropFlyby.y;
	// Make flyby move off the right side of backdrop scene
	tween(backdropFlyby, {
		x: 2048 + 375
	}, {
		duration: 6000,
		easing: tween.linear,
		onFinish: function onFinish() {
			// After flyby has left the backdrop scene, fade in wave1 asset
			var wave1Asset = game.addChild(LK.getAsset('Wave1', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0
			}));
			// Fade in wave1 asset
			tween(wave1Asset, {
				alpha: 1
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Keep wave1 visible for 2 seconds then fade out
					LK.setTimeout(function () {
						tween(wave1Asset, {
							alpha: 0
						}, {
							duration: 1000,
							easing: tween.easeInOut,
							onFinish: function onFinish() {
								wave1Asset.destroy();
								// Start first wave of tower defense game
								startTowerDefenseWave1();
							}
						});
					}, 2000);
				}
			});
		}
	});
	// Add 6 horizontal guide lines immediately
	var lineSpacing = 2732 / 7;
	for (var i = 1; i <= 6; i++) {
		var yPosition = lineSpacing * i;
		if (i === 1) {
			yPosition += 480 + 50; // Move guideline 1 down by 480 pixels
		} else if (i === 2) {
			yPosition += 320 + 50; // Move guideline 2 down by 320 pixels
		} else if (i === 3) {
			yPosition += 150 + 50; // Move guideline 3 down by 150 pixels
		} else if (i === 4) {
			yPosition += 10 + 50; // Move guideline 4 down by 10 pixels
		} else if (i === 5) {
			yPosition -= 150 - 50; // Move guideline 5 up by 150 pixels
		} else if (i === 6) {
			yPosition -= 310 - 50; // Move guideline 6 up by 310 pixels
		}
		var guideLine = game.addChild(LK.getAsset('guideLine', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: yPosition,
			alpha: 0
		}));
		// Store guideline reference and add click handler
		guidelines.push(guideLine);
		guideLine.lineNumber = i;
		guideLine.down = function (x, y, obj) {
			if (isPlacingTower && towerPreview) {
				// Move tower preview to clicked position on guideline
				// x and y are already in the local coordinate space of the guideline
				towerPreview.x = x;
				towerPreview.y = this.y; // Use the guideline's Y position
			}
		};
	}
	// Add vertical guidelines for column placement
	var columnSpacing = 2048 / 9; // Create 8 columns with margins
	for (var i = 1; i <= 8; i++) {
		var xPosition = columnSpacing * i;
		var verticalGuideLine = game.addChild(LK.getAsset('verticalGuideLine', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: xPosition,
			y: 2732 / 2,
			alpha: 0
		}));
		verticalGuidelines.push(verticalGuideLine);
		verticalGuideLine.columnNumber = i;
	}
}
// Add touch event to skip button
skipButton.down = function (x, y, obj) {
	skipToBackdrop();
};
// Add flyby asset to title - start at right side of screen
var flybyImage = game.addChild(LK.getAsset('Flyby', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 + 375,
	y: 2732 / 2 + 1400 - 500
}));
// Store the original Y position for flyby
var flybyOriginalY = flybyImage.y;
// Create hover animation function
function startFlybyHover() {
	// Tween up 50 pixels over 2 seconds
	tween(flybyImage, {
		y: flybyOriginalY - 50
	}, {
		duration: 2000,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			// Tween down 50 pixels over 2 seconds
			tween(flybyImage, {
				y: flybyOriginalY + 50
			}, {
				duration: 2000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Start the cycle again
					startFlybyHover();
				}
			});
		}
	});
}
// Start the hover animation
startFlybyHover();
// Start flyby movement from right to left
tween(flybyImage, {
	x: -375
}, {
	duration: 8000,
	easing: tween.linear,
	onFinish: function onFinish() {
		// After flyby has left the screen, slowly scroll title up
		tween(titleImage, {
			y: titleImage.y - titleImage.height
		}, {
			duration: 20000,
			easing: tween.easeOut
		});
		// Stop the title scrolling after 5 seconds
		LK.setTimeout(function () {
			tween.stop(titleImage, {
				y: true
			});
			// Fade in intro asset in the middle of the screen
			var introAsset = game.addChild(LK.getAsset('intro', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2,
				alpha: 0
			}));
			// Add wifi asset to intro
			var wifiAsset = game.addChild(LK.getAsset('WiFi', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2 + 200,
				y: 2732 / 2 + 200,
				alpha: 0
			}));
			// Tween alpha from 0 to 1 for fade-in effect
			tween(introAsset, {
				alpha: 1
			}, {
				duration: 2000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Also fade in wifi asset
					tween(wifiAsset, {
						alpha: 1
					}, {
						duration: 2000,
						easing: tween.easeInOut
					});
					// After intro has faded in, make flyby move from left to right
					flybyImage.x = -375; // Reset flyby to left side
					flybyImage.y = 2732 / 2; // Center vertically
					tween(flybyImage, {
						x: 2048 + 375
					}, {
						duration: 6000,
						easing: tween.linear,
						onFinish: function onFinish() {
							// After flyby has left the screen, fade out intro and fade in backdrop
							tween(introAsset, {
								alpha: 0
							}, {
								duration: 2000,
								easing: tween.easeInOut
							});
							// Also fade out wifi asset
							tween(wifiAsset, {
								alpha: 0
							}, {
								duration: 2000,
								easing: tween.easeInOut
							});
							// Add backdrop asset to game
							var backdropAsset = game.addChild(LK.getAsset('backdrop', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: 2048 / 2,
								y: 2732 / 2,
								alpha: 0,
								scaleX: 0.5,
								scaleY: 0.5
							}));
							// Add flyby asset to backdrop
							var backdropFlyby = game.addChild(LK.getAsset('Flyby', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: 2048 / 2,
								y: 2732 / 2 - 800,
								alpha: 1,
								scaleX: 0.1,
								scaleY: 0.1
							}));
							// Store the original Y position for backdrop flyby
							var backdropFlybyOriginalY = backdropFlyby.y;
							// Make flyby move off the right side of backdrop scene
							function startBackdropFlybyHover() {
								tween(backdropFlyby, {
									x: 2048 + 375
								}, {
									duration: 6000,
									easing: tween.linear,
									onFinish: function onFinish() {
										// After flyby has left the backdrop scene, fade in wave1 asset
										var wave1Asset = game.addChild(LK.getAsset('Wave1', {
											anchorX: 0.5,
											anchorY: 0.5,
											x: 2048 / 2,
											y: 2732 / 2,
											alpha: 0
										}));
										// Fade in wave1 asset
										tween(wave1Asset, {
											alpha: 1
										}, {
											duration: 1000,
											easing: tween.easeInOut,
											onFinish: function onFinish() {
												// Keep wave1 visible for 2 seconds then fade out
												LK.setTimeout(function () {
													tween(wave1Asset, {
														alpha: 0
													}, {
														duration: 1000,
														easing: tween.easeInOut,
														onFinish: function onFinish() {
															wave1Asset.destroy();
															// Start first wave of tower defense game
															startTowerDefenseWave1();
														}
													});
												}, 2000);
											}
										});
									}
								});
							}
							// Fade in backdrop
							tween(backdropAsset, {
								alpha: 1
							}, {
								duration: 2000,
								easing: tween.easeInOut,
								onFinish: function onFinish() {
									// Zoom in backdrop flyby
									tween(backdropFlyby, {
										scaleX: 0.8,
										scaleY: 0.8
									}, {
										duration: 2000,
										easing: tween.easeInOut,
										onFinish: function onFinish() {
											// Start flyby movement to right side after zoom in
											startBackdropFlybyHover();
										}
									});
									// Add 6 horizontal guide lines after backdrop fades in
									var lineSpacing = 2732 / 7; // Divide screen height by 7 to get 6 lines with margins
									for (var i = 1; i <= 6; i++) {
										var yPosition = lineSpacing * i;
										if (i === 1) {
											yPosition += 480 + 50; // Move guideline 1 down by 480 pixels
										} else if (i === 2) {
											yPosition += 320 + 50; // Move guideline 2 down by 320 pixels
										} else if (i === 3) {
											yPosition += 150 + 50; // Move guideline 3 down by 150 pixels
										} else if (i === 4) {
											yPosition += 10 + 50; // Move guideline 4 down by 10 pixels
										} else if (i === 5) {
											yPosition -= 150 - 50; // Move guideline 5 up by 150 pixels
										} else if (i === 6) {
											yPosition -= 310 - 50; // Move guideline 6 up by 310 pixels
										}
										var guideLine = game.addChild(LK.getAsset('guideLine', {
											anchorX: 0.5,
											anchorY: 0.5,
											x: 2048 / 2,
											y: yPosition,
											alpha: 0
										}));
									}
									// Add vertical guidelines for column placement
									var columnSpacing = 2048 / 9; // Create 8 columns with margins
									for (var i = 1; i <= 8; i++) {
										var xPosition = columnSpacing * i;
										var verticalGuideLine = game.addChild(LK.getAsset('verticalGuideLine', {
											anchorX: 0.5,
											anchorY: 0.5,
											x: xPosition,
											y: 2732 / 2,
											alpha: 0
										}));
										verticalGuidelines.push(verticalGuideLine);
										verticalGuideLine.columnNumber = i;
									}
								}
							});
						}
					});
				}
			});
		}, 5000);
	}
});
;

===================================================================
--- original.js
+++ change.js
@@ -976,14 +976,137 @@
 	// Function to make electric effect visible
 	self.showElectricEffect = function () {
 		// UFO boss doesn't show electric effect
 	};
+	// Initialize UFO boss behavior properties
+	if (self.hoverState === undefined) {
+		self.hoverState = 'hovering'; // 'hovering', 'descending', 'attacking'
+		self.hoverTimer = 0;
+		self.descentTimer = 0;
+		self.lastLaserTime = 0;
+		self.targetY = self.y;
+		self.originalY = self.y;
+		self.hoverDirection = 1; // 1 for right, -1 for left
+		self.descendingToLine = -1;
+	}
 	self.update = function () {
 		// Initialize lastX if not set
 		if (self.lastX === undefined) self.lastX = self.x;
 		// Update health bar
 		self.updateHealthBar();
+		// UFO boss movement and behavior
+		self.hoverTimer += gameSpeed;
+		self.descentTimer += gameSpeed;
+		if (self.hoverState === 'hovering') {
+			// Hover around randomly - move horizontally
+			self.x += self.hoverDirection * 1 * gameSpeed;
+			// Change direction if hitting screen edges
+			if (self.x <= 300 || self.x >= 2048 - 300) {
+				self.hoverDirection *= -1;
+			}
+			// Random direction changes
+			if (Math.random() < 0.01 * gameSpeed) {
+				self.hoverDirection *= -1;
+			}
+			// Slight vertical hovering
+			self.y = self.originalY + Math.sin(self.hoverTimer * 0.02) * 30;
+			// Fire laser at towers sparingly (every 3-5 seconds)
+			if (self.hoverTimer - self.lastLaserTime >= (180 + Math.random() * 120) / gameSpeed) {
+				self.fireAtTowers();
+				self.lastLaserTime = self.hoverTimer;
+			}
+			// Every 10 seconds, descend to a random guideline
+			if (self.descentTimer >= 600 / gameSpeed) {
+				// 10 seconds at 60fps
+				self.hoverState = 'descending';
+				self.descentTimer = 0;
+				// Choose random guideline (1-6)
+				self.descendingToLine = Math.floor(Math.random() * 6) + 1;
+				// Set target Y position based on guideline
+				var lineY = pathPositions['line' + self.descendingToLine];
+				self.targetY = lineY;
+				// Animate descent
+				tween(self, {
+					y: self.targetY
+				}, {
+					duration: 2000,
+					easing: tween.easeInOut,
+					onFinish: function onFinish() {
+						self.hoverState = 'attacking';
+						// Stay on line for 3 seconds, then return to hovering
+						LK.setTimeout(function () {
+							self.hoverState = 'ascending';
+							tween(self, {
+								y: self.originalY
+							}, {
+								duration: 2000,
+								easing: tween.easeInOut,
+								onFinish: function onFinish() {
+									self.hoverState = 'hovering';
+								}
+							});
+						}, 3000);
+					}
+				});
+			}
+		}
+		// Check if UFO destroyed all towers
+		if (towers.length === 0) {
+			self.hoverState = 'moving_to_goal';
+			self.speed = -1; // Move toward goal
+			self.y = pathPositions['line' + Math.floor(Math.random() * 6 + 1)]; // Move to random line
+		}
+		// Move toward goal if all towers destroyed
+		if (self.hoverState === 'moving_to_goal') {
+			self.x += self.speed * gameSpeed;
+		}
 	};
+	// Add laser firing method for UFO
+	self.fireAtTowers = function () {
+		if (towers.length === 0) return;
+		// Select random tower to target
+		var randomTower = towers[Math.floor(Math.random() * towers.length)];
+		// Create laser projectile
+		var laser = game.addChild(LK.getAsset('Laserfire', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: self.x,
+			y: self.y + 100,
+			alpha: 0.9,
+			tint: 0xFF0000 // Red laser for UFO
+		}));
+		// Calculate direction to tower
+		var deltaX = randomTower.x - laser.x;
+		var deltaY = randomTower.y - laser.y;
+		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+		var speed = 5;
+		laser.velocityX = deltaX / distance * speed;
+		laser.velocityY = deltaY / distance * speed;
+		laser.damage = 15;
+		// Set laser rotation to point at tower
+		laser.rotation = Math.atan2(deltaY, deltaX);
+		// Animate laser movement
+		var laserInterval = LK.setInterval(function () {
+			laser.x += laser.velocityX;
+			laser.y += laser.velocityY;
+			// Check if laser hit the tower
+			var laserDistance = Math.sqrt(Math.pow(laser.x - randomTower.x, 2) + Math.pow(laser.y - randomTower.y, 2));
+			if (laserDistance < 120) {
+				// Hit tower - deal damage
+				randomTower.takeDamage(laser.damage);
+				LK.effects.flashObject(randomTower, 0xFF0000, 400);
+				// Remove laser
+				LK.clearInterval(laserInterval);
+				laser.destroy();
+				return;
+			}
+			// Check if laser went off screen
+			if (laser.x > 2048 + 100 || laser.x < -100 || laser.y > 2732 + 100 || laser.y < -100) {
+				LK.clearInterval(laserInterval);
+				laser.destroy();
+			}
+		}, 16);
+	};
 	return self;
 });
 
 /**** 
@@ -1230,8 +1353,17 @@
 	// Check wave 5 completion (final win condition)
 	if (currentWave === 5 && enemiesSpawned >= maxEnemiesInWave && enemies.length === 0) {
 		LK.showYouWin();
 	}
+	// Check if UFO boss reached goal in wave 5
+	if (currentWave === 5 && enemies.length > 0) {
+		var ufo = enemies[0]; // UFO should be the only enemy in wave 5
+		if (ufo && ufo.lastX >= 0 && ufo.x < 0) {
+			// UFO reached goal - game over
+			LK.showGameOver();
+			return;
+		}
+	}
 	// Final check - destroy all towers with 0 or less health at end of update cycle
 	for (var i = towers.length - 1; i >= 0; i--) {
 		var tower = towers[i];
 		if (tower.health <= 0) {