/**** 
* Classes
****/ 
// Blaster class representing a shooting enemy
var Blaster = Container.expand(function () {
	var self = Container.call(this);
	var blasterGraphics = self.attachAsset('Blaster', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.HitPoints = 5;
	self.speed = 2;
	// Laser attack properties
	var blasterHeight = blasterGraphics.height;
	var firingPoint = {
		x: 0,
		y: blasterHeight * 0.25
	}; // 25% up from bottom center
	self.laserMechanic = new LaserMechanic(self, firingPoint, 60, 30, 30); // charge, fire, slide durations
	self.nextAttackTime = LK.ticks + randomRange(180, 300); // 3-5 seconds initial delay
	function randomRange(min, max) {
		return Math.floor(Math.random() * (max - min + 1)) + min;
	}
	self.update = function () {
		// Update laser mechanic
		self.laserMechanic.update();
		// Check if it's time for a laser attack
		if (LK.ticks >= self.nextAttackTime && !self.laserMechanic.isCharging && !self.laserMechanic.isFiring && !self.laserMechanic.isSliding && !self.laserMechanic.attackComplete) {
			self.laserMechanic.startCharge();
		}
		// Handle movement based on state
		if (self.laserMechanic.isCharging) {
			// Only rotate to track player during charge
			var directionX = hero.x - self.x;
			var directionY = hero.y - self.y;
			blasterGraphics.rotation = Math.atan2(directionY, directionX) - Math.PI / 2;
		} else if (self.laserMechanic.isFiring || self.laserMechanic.isSliding) {
			// No movement during firing and sliding
			return;
		} else {
			// Normal movement when not attacking
			// Track player position
			var directionX = hero.x - self.x;
			var directionY = hero.y - self.y;
			var distance = Math.sqrt(directionX * directionX + directionY * directionY);
			if (distance > 0) {
				self.x += directionX / distance * self.speed;
				self.y += directionY / distance * self.speed;
				blasterGraphics.rotation = Math.atan2(directionY, directionX) - Math.PI / 2;
			}
			// Set next attack time after sliding is done
			if (self.laserMechanic.isAttackComplete()) {
				self.laserMechanic.resetAttack();
				self.nextAttackTime = LK.ticks + randomRange(300, 480);
			}
		}
		// Destroy if out of screen
		if (self.y > 2732) {
			// Check if there's an active laser beam
			if (self.laserMechanic.laserBeam) {
				// Detach and slide the laser beam
				self.laserMechanic.detachBeam();
			}
			self.destroy();
			var index = enemies.indexOf(self);
			if (index > -1) {
				enemies.splice(index, 1);
			}
		}
	};
});
// BlasterPiece class for blaster destruction effect
var BlasterPiece = Container.expand(function (assetType) {
	var self = Container.call(this);
	var pieceGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1 // Ensure pieces are fully visible on spawn
	});
	self.speedX = (Math.random() - 0.5) * 12; // Random horizontal speed to move outwards
	self.speedY = (Math.random() - 0.5) * 12; // Random vertical speed to move outwards
	self.alphaDecay = 0.02; // Rate at which the piece fades out
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		pieceGraphics.rotation += Math.random() * 0.1 - 0.05; // Add slight random rotation
		pieceGraphics.alpha -= self.alphaDecay;
		if (pieceGraphics.alpha <= 0) {
			self.destroy();
		}
	};
});
// Bruiser class representing a tougher enemy
var Bruiser = Container.expand(function () {
	var self = Container.call(this);
	var bruiserGraphics = self.attachAsset('Bruiser', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.HitPoints = 10; // Higher hit points for Bruiser
	self.speed = 4; // Increased speed for Bruiser
	self.update = function () {
		// Implement mechanical stomping movement
		if (LK.ticks % 80 < 20) {
			bruiserGraphics.scale.x = 1.1;
			bruiserGraphics.scale.y = 0.9;
			bruiserGraphics.rotation = 0.1; // Tilt right
		} else if (LK.ticks % 80 < 40) {
			bruiserGraphics.scale.x = 1.0;
			bruiserGraphics.scale.y = 1.0;
			bruiserGraphics.rotation = 0;
		} else if (LK.ticks % 80 < 60) {
			bruiserGraphics.scale.x = 1.1;
			bruiserGraphics.scale.y = 0.9;
			bruiserGraphics.rotation = -0.1; // Tilt left
		} else {
			bruiserGraphics.scale.x = 1.0;
			bruiserGraphics.scale.y = 1.0;
			bruiserGraphics.rotation = 0;
		}
		// Move downwards only during tilt phases
		if (LK.ticks % 80 < 20 || LK.ticks % 80 >= 40 && LK.ticks % 80 < 60) {
			// Check for nearby enemies and adjust path to avoid collisions
			var nearbyEnemy = enemies.find(function (enemy) {
				return enemy !== self && Math.abs(enemy.x - self.x) < 100 && Math.abs(enemy.y - self.y) < 100;
			});
			if (nearbyEnemy) {
				self.x += (self.x < nearbyEnemy.x ? -1 : 1) * self.speed; // Move away from the nearby enemy
			} else {
				self.y += self.speed;
			}
		}
		if (self.y > 2732) {
			self.destroy();
			var index = enemies.indexOf(self);
			if (index > -1) {
				enemies.splice(index, 1);
			}
		}
	};
});
// BruiserPiece class for bruiser destruction effect
var BruiserPiece = Container.expand(function (assetType) {
	var self = Container.call(this);
	var pieceGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = -Math.random() * 6 + 3; // Switch direction of horizontal speed
	self.speedY = Math.random() * 4 - 2; // Random vertical speed
	self.alphaDecay = 0.02; // Rate at which the piece fades out
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		pieceGraphics.rotation += Math.random() * 0.1 - 0.05; // Add slight random rotation
		pieceGraphics.alpha -= self.alphaDecay;
		if (pieceGraphics.alpha <= 0) {
			self.destroy();
		}
	};
});
// Enemy class representing the enemy robots
var Drone = Container.expand(function () {
	var self = Container.call(this);
	var droneGraphics = self.attachAsset('Drone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.HitPoints = 3;
	self.randomOffset = Math.random() * 100; // Random timing for each drone
	self.speed = 2.25;
	self.update = function () {
		// Add robotic hover effects
		// Check for nearby enemies and adjust path to avoid collisions
		var nearbyEnemy = enemies.find(function (enemy) {
			return enemy !== self && Math.abs(enemy.x - self.x) < 100 && Math.abs(enemy.y - self.y) < 100;
		});
		if (nearbyEnemy) {
			self.x += (self.x < nearbyEnemy.x ? -1 : 1) * self.speed; // Move away from the nearby enemy
		} else {
			self.y += self.speed * (Math.random() > 0.1 ? 1 : 0); // Brief pauses in downward movement
		}
		self.x += Math.sin(LK.ticks / 10 + self.randomOffset) * 2; // Small jerky side-to-side movements
		if (Math.random() > 0.95) {
			self.x += Math.random() * 4 - 2; // Quick position corrections
		}
		// Pulse effect on hit
		if (self.pulseEffect) {
			droneGraphics.scale.x = 1.2;
			droneGraphics.scale.y = 1.2;
			self.pulseEffect = false;
		} else {
			droneGraphics.scale.x = 1.0;
			droneGraphics.scale.y = 1.0;
		}
		if (self.y > 2732) {
			self.destroy();
			var index = enemies.indexOf(self);
			if (index > -1) {
				enemies.splice(index, 1);
			}
		}
	};
});
// DronePiece class for drone destruction effect
var DronePiece = Container.expand(function (assetType) {
	var self = Container.call(this);
	var pieceGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = Math.random() * 6 - 3; // Increased random horizontal speed
	self.speedY = Math.random() * 4 - 2; // Random vertical speed
	self.alphaDecay = 0.02; // Rate at which the piece fades out
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		pieceGraphics.rotation += Math.random() * 0.1 - 0.05; // Add slight random rotation
		pieceGraphics.alpha -= self.alphaDecay;
		if (pieceGraphics.alpha <= 0) {
			self.destroy();
		}
	};
});
// Dust class for dust particles
var Dust = Container.expand(function () {
	var self = Container.call(this);
	var dustGraphics = self.attachAsset('Dust', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	dustGraphics.alpha = 0.75;
	self.speed = Math.random() * 3 + 1;
	self.rotationSpeed = Math.random() * 0.02 - 0.01; // Random rotation speed between -0.01 and 0.01
	self.direction = Math.random() * Math.PI * 0.5;
	self.update = function () {
		self.y += self.speed;
		self.x += Math.sin(self.direction) * self.speed; // Add slight X travel based on direction
		self.rotation += self.rotationSpeed; // Add rotation
		dustGraphics.alpha -= 0.01; // fade out at a medium pace
		if (self.y > 2732 || dustGraphics.alpha <= 0) {
			self.destroy();
		}
	};
});
// Assets will be automatically created and loaded by the LK engine based on their usage in the code.
// Hero class representing the player's spaceship
var Hero = Container.expand(function () {
	var self = Container.call(this);
	self.prevX = self.x; // Initialize prevX with the current x position
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		if (self.y > 2375) {
			self.y -= self.speed;
		}
		// Add rotation based on movement direction
		if (self.x > self.prevX) {
			self.rotation += Math.PI / 180 * 1; // Rotate 1 degree to the right
			if (self.rotation > Math.PI / 180 * 5) {
				self.rotation = Math.PI / 180 * 5;
			}
		} else if (self.x < self.prevX) {
			self.rotation -= Math.PI / 180 * 1; // Rotate 1 degree to the left
			if (self.rotation < Math.PI / 180 * -5) {
				self.rotation = Math.PI / 180 * -5;
			}
		} else {
			if (self.rotation > 0) {
				self.rotation -= Math.PI / 180 * 1;
				if (self.rotation < 0) {
					self.rotation = 0;
				}
			} else if (self.rotation < 0) {
				self.rotation += Math.PI / 180 * 1;
				if (self.rotation > 0) {
					self.rotation = 0;
				}
			}
		}
		self.prevX = self.x; // Store the current x position for the next frame
		// Add scale change to simulate footsteps
		if (LK.ticks % 24 < 12) {
			self.scale.x = 1.02;
		} else {
			self.scale.x = 0.98;
		}
	};
});
// Bullet class for hero's bullets
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.Type = 'standard'; // Default type for bullets
	self.Power = 1; // Default power level for bullets
	self.update = function () {
		self.y += self.speed;
		if (self.y < 0) {
			self.destroy();
			var index = heroBullets.indexOf(self);
			if (index > -1) {
				heroBullets.splice(index, 1);
			}
		}
	};
});
// RailingLeft class for the scrolling left railing
var RailingLeft = Container.expand(function (assetType) {
	var self = Container.call(this);
	var railingGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0
	});
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
		if (self.y >= 2732) {
			self.y = -2732;
		}
	};
});
// RailingRight class for the scrolling right railing
var RailingRight = Container.expand(function (assetType) {
	var self = Container.call(this);
	var railingGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0
	});
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
		if (self.y >= 2732) {
			self.y = -2732;
		}
	};
});
// RoadScroll class for the scrolling road
var RoadScroll = Container.expand(function (assetType) {
	var self = Container.call(this);
	var roadGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0
	});
	if (assetType === 'CityBackgroundHD') {
		self.speed = 1;
	} else {
		self.speed = 2;
	}
	self.update = function () {
		self.y += self.speed;
		if (self.y >= 2732) {
			self.y = -2732;
		}
	};
});
// TitleScreen class for the title screen
var TitleScreen = Container.expand(function () {
	var self = Container.call(this);
	// Attach game logo
	var logo = self.attachAsset('GameLogoHD', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	logo.x = 2048 / 2;
	logo.y = 2732 / 2 - 200;
	// Attach play button
	var playButton = self.attachAsset('PlayButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	playButton.x = 2048 / 2;
	playButton.y = logo.y + logo.height / 2 + playButton.height / 2 + 50;
	// Event handler for play button
	playButton.down = function (x, y, obj) {
		isTitle = false;
		isStarted = true;
		self.destroy();
		startGame();
	};
});

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

/**** 
* Game Code
****/ 
// Initialize the city background for parallax effect
var LaserMechanic = function LaserMechanic(origin, firingPoint, chargeDuration, fireDuration, slideOffDuration) {
	this.origin = origin;
	this.firingPoint = firingPoint;
	this.chargeDuration = chargeDuration;
	this.fireDuration = fireDuration;
	this.slideOffDuration = slideOffDuration;
	// State tracking
	this.isCharging = false;
	this.isFiring = false;
	this.isSliding = false;
	// Timing
	this.chargeStartTime = null;
	this.fireStartTime = null;
	this.slideStartTime = null;
	// Flag to indicate attack completion
	this.attackComplete = false;
	// Assets
	this.chargeEffect = null;
	this.laserBeam = null;
	var index = activeLaserBeams.indexOf(this);
	if (index > -1) {
		activeLaserBeams.splice(index, 1);
	}
	// Method to start charging
	LaserMechanic.prototype.startCharge = function () {
		if (this.isCharging || this.isFiring || this.isSliding) {
			return;
		}
		this.isCharging = true;
		this.chargeStartTime = LK.ticks;
		// Create charge effect
		this.chargeEffect = LK.getAsset('LaserCharge', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.5,
			scale: {
				x: 0.5,
				y: 0.5
			}
		});
		if (this.origin) {
			this.chargeEffect.x = this.origin.x + this.firingPoint.x;
			this.chargeEffect.y = this.origin.y + this.firingPoint.y;
			this.origin.addChild(this.chargeEffect);
		}
	};
	// Target
	this.targetX = null;
	this.targetY = null;
	// Method to update charge progress
	LaserMechanic.prototype.updateCharge = function () {
		if (!this.isCharging) {
			return;
		}
		var chargeProgress = (LK.ticks - this.chargeStartTime) / this.chargeDuration;
		// Update charge effect
		this.chargeEffect.alpha = 0.5 + chargeProgress * 0.5; // Fade in
		this.chargeEffect.scale.x = 0.5 + chargeProgress * 1.5; // Grow outward
		this.chargeEffect.scale.y = 0.5 + chargeProgress * 1.5;
		// Capture target position at 2/3 through charge
		if (chargeProgress >= 0.67 && !this.targetX) {
			this.targetX = hero.x;
			this.targetY = hero.y;
		}
		// Check if charge is complete
		if (chargeProgress >= 1) {
			this.origin.removeChild(this.chargeEffect);
			this.chargeEffect = null;
			this.isCharging = false;
			this.startFiring(); // Add this line to transition to firing phase
		}
	};
};
var cityBackground1 = game.addChild(new RoadScroll('CityBackgroundHD'));
var cityBackground2 = game.addChild(new RoadScroll('CityBackgroundHD'));
cityBackground1.x = 2048 / 2;
cityBackground2.x = 2048 / 2;
cityBackground1.y = 0;
cityBackground2.y = -2732;
// Initialize the road instances
var road1 = game.addChild(new RoadScroll('Road'));
var road2 = game.addChild(new RoadScroll('Road2'));
road2.x = 2048 / 2;
road1.x = 2048 / 2;
road1.y = 0;
road2.y = -2732;
// Initialize the left railing instances
var railingLeft1 = game.addChild(new RailingLeft('RailingStart'));
var railingLeft2 = game.addChild(new RailingLeft('RailingEnd'));
railingLeft1.x = 2048 * 0.16;
railingLeft2.x = 2048 * 0.16;
railingLeft1.y = 0;
railingLeft2.y = -2732;
// Initialize the right railing instances
var railingRight1 = game.addChild(new RailingRight('RailingEnd'));
var railingRight2 = game.addChild(new RailingRight('RailingStart'));
railingRight1.x = 2048 * 0.81; // Moved left by 3%
railingRight2.x = 2048 * 0.81; // Moved left by 3%
railingRight1.y = 0;
railingRight2.y = -2732;
// Initialize game state variables
var isTitle = true;
var isStarted = false;
// Initialize title screen
if (isTitle) {
	var titleScreen = game.addChild(new TitleScreen());
}
// Function to start the game
function startGame() {
	// Initialize hero
	hero = game.addChild(new Hero());
	hero.x = 2048 / 2;
	hero.y = 2732 + hero.height;
	// Initialize enemies, bullets, and laser beams arrays
	enemies = [];
	heroBullets = [];
	activeLaserBeams = [];
}
// Initialize variables
var hero;
var enemies = [];
var heroBullets = [];
// Function to handle game updates
game.update = function () {
	// Update the city background instances for parallax effect
	cityBackground1.update();
	cityBackground2.update();
	// Update the road instances
	road1.update();
	road2.update();
	// Update the left railing instances
	railingLeft1.update();
	railingLeft2.update();
	// Update the right railing instances
	railingRight1.update();
	railingRight2.update();
	if (isStarted) {
		if (dragNode) {
			hero.x = dragNode.x;
			hero.y = dragNode.y;
		}
		// Update enemies
		if (!enemies) {
			return;
		} // Ensure enemies array is initialized
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i]) {
				enemies[i].update();
			}
			if (enemies[i] && enemies[i].intersects(hero)) {
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
		}
		// Update active laser beams
		for (var l = activeLaserBeams.length - 1; l >= 0; l--) {
			activeLaserBeams[l].update();
			if (activeLaserBeams[l].isAttackComplete()) {
				if (activeLaserBeams[l].laserBeam) {
					activeLaserBeams[l].laserBeam.destroy();
				}
				activeLaserBeams.splice(l, 1);
			}
		}
		// Update hero bullets
		for (var j = heroBullets.length - 1; j >= 0; j--) {
			heroBullets[j].update();
			for (var k = enemies.length - 1; k >= 0; k--) {
				if (heroBullets[j] && heroBullets[j].intersects(enemies[k]) && enemies[k].y > 0) {
					enemies[k].HitPoints -= heroBullets[j].Power;
					// Apply an increased push back effect
					if (!(enemies[k] instanceof Bruiser)) {
						enemies[k].y -= 12; // Push the drone upwards slightly more
					}
					enemies[k].pulseEffect = true; // Trigger pulse effect
					heroBullets[j].destroy();
					heroBullets.splice(j, 1);
					if (enemies[k].HitPoints <= 0) {
						if (enemies[k] instanceof Drone) {
							// Create drone pieces upon destruction
							var centerPiece = new DronePiece('DroneCenterPart');
							centerPiece.x = enemies[k].x;
							centerPiece.y = enemies[k].y;
							game.addChild(centerPiece);
							var leftPiece = new DronePiece('DroneLeftPart');
							leftPiece.x = enemies[k].x - 40; // Increase spread
							leftPiece.y = enemies[k].y;
							game.addChild(leftPiece);
							var rightPiece = new DronePiece('DroneRightPart');
							rightPiece.x = enemies[k].x + 40; // Increase spread
							rightPiece.y = enemies[k].y;
							game.addChild(rightPiece);
						} else if (enemies[k] instanceof Bruiser) {
							// Create bruiser pieces upon destruction
							var centerPiece = new BruiserPiece('BruiserCenterPart');
							centerPiece.x = enemies[k].x;
							centerPiece.y = enemies[k].y;
							game.addChild(centerPiece);
							var leftPiece = new BruiserPiece('BruiserLeftPart');
							leftPiece.x = enemies[k].x - 40; // Increase spread
							leftPiece.y = enemies[k].y;
							var rightPiece = new BruiserPiece('BruiserRightPart');
							rightPiece.x = enemies[k].x + 40; // Increase spread
							rightPiece.y = enemies[k].y;
							leftPiece.speedX = -Math.abs(leftPiece.speedX) * 1.5; // Increase force for left piece
							rightPiece.speedX = Math.abs(rightPiece.speedX) * 1.5; // Increase force for right piece
							game.addChild(leftPiece);
							game.addChild(rightPiece);
						} else if (enemies[k] instanceof Blaster) {
							// Create blaster pieces upon destruction
							var bottomPiece = new BlasterPiece('BlasterBottomPiece');
							bottomPiece.x = enemies[k].x;
							bottomPiece.y = enemies[k].y;
							game.addChild(bottomPiece);
							var leftPiece = new BlasterPiece('BlasterLeftPiece');
							leftPiece.x = enemies[k].x - 40; // Increase spread
							leftPiece.y = enemies[k].y;
							game.addChild(leftPiece);
							var rightPiece = new BlasterPiece('BlasterRightPiece');
							rightPiece.x = enemies[k].x + 40; // Increase spread
							rightPiece.y = enemies[k].y;
							game.addChild(rightPiece);
						}
						enemies[k].destroy();
						enemies.splice(k, 1);
						LK.setScore(LK.getScore() + 1);
						scoreTxt.setText(LK.getScore());
					}
					break;
				}
			}
		}
		if (LK.ticks % 240 == 0) {
			var newBlaster = new Blaster();
			newBlaster.x = 2048 * 0.21 + Math.random() * (2048 * 0.55); // Adjusted x position within the Road area with 5% margin
			newBlaster.y = -newBlaster.height; // Start just outside the top of the screen
			enemies.push(newBlaster);
			game.addChild(newBlaster);
		}
		// Fire bullets
		if (LK.ticks % 18 == 0) {
			var newBullet = new HeroBullet();
			newBullet.x = hero.x;
			newBullet.y = hero.y - hero.height / 2;
			heroBullets.push(newBullet);
			game.addChild(newBullet);
		}
		// Generate dust particles in sync with player pulsing
		if (LK.ticks % 24 == 0) {
			var newDust = new Dust();
			newDust.x = hero.x - hero.width / 4; // Move dust spawn position right half as much as the last move
			newDust.y = hero.y + hero.height / 2 * 0.93; // Move dust spawn point up 3% more
			game.addChild(newDust);
		} else if (LK.ticks % 24 == 12) {
			var newDust = new Dust();
			newDust.x = hero.x + hero.width / 4; // Create another dust spawn point an equal distance in from the right of the player asset
			newDust.y = hero.y + hero.height / 2 * 0.93; // Move dust spawn point up 3% more
			game.addChild(newDust);
		}
	}
};
// Handle touch input for hero movement
var dragNode = null;
game.down = function (x, y, obj) {
	if (isStarted) {
		dragNode = {
			x: hero.x,
			y: hero.y
		};
		// Add a tilt-back effect during initial movement
		hero.rotation = x > hero.x ? Math.PI / 180 * -1 : Math.PI / 180 * 1;
	}
};
game.move = function (x, y, obj) {
	if (isStarted && dragNode) {
		// Add a slight delay to the drag control to make the player feel like it has more weight
		dragNode.x += (x - dragNode.x) * 0.1;
		dragNode.y = hero.y; // Lock the y position to the hero's initial y position
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
// Display score
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.setText(LK.getScore());
// Create blaster pieces upon destruction
for (var i = enemies.length - 1; i >= 0; i--) {
	if (enemies[i] instanceof Blaster && enemies[i].y > 2732) {
		var bottomPiece = new BlasterPiece('BlasterBottomPiece');
		bottomPiece.x = enemies[i].x;
		bottomPiece.y = enemies[i].y;
		game.addChild(bottomPiece);
		var leftPiece = new BlasterPiece('BlasterLeftPiece');
		leftPiece.x = enemies[i].x - 40; // Increase spread
		leftPiece.y = enemies[i].y;
		game.addChild(leftPiece);
		var rightPiece = new BlasterPiece('BlasterRightPiece');
		rightPiece.x = enemies[i].x + 40; // Increase spread
		rightPiece.y = enemies[i].y;
		game.addChild(rightPiece);
	}
}
LaserMechanic.prototype.startFiring = function () {
	if (!this.targetX || !this.targetY || this.isFiring) {
		return;
	}
	this.isFiring = true;
	this.fireStartTime = LK.ticks;
	// Create laser beam
	this.laserBeam = LK.getAsset('LaserBeam', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1,
		// Normal width
		scaleY: 5 // Make it long
	});
	game.addChild(this.laserBeam);
	activeLaserBeams.push(this);
	// Position at origin
	this.laserBeam.x = this.origin.x + this.firingPoint.x;
	this.laserBeam.y = this.origin.y + this.firingPoint.y;
	// Calculate direction to target
	var directionX = this.targetX - this.laserBeam.x;
	var directionY = this.targetY - this.laserBeam.y;
	// Set rotation
	this.laserBeam.rotation = Math.atan2(directionY, directionX) - Math.PI / 2;
};
LaserMechanic.prototype.updateFiring = function () {
	if (!this.isFiring) {
		return;
	}
	var fireProgress = (LK.ticks - this.fireStartTime) / this.fireDuration;
	if (fireProgress <= 1) {
		// Stretch the laser
		this.laserBeam.scaleY += (20 - this.laserBeam.scaleY) * 0.1;
		// Keep beam pinned to origin
		this.laserBeam.x = this.origin.x;
		this.laserBeam.y = this.origin.y;
	} else {
		// Transition to sliding phase
		this.isFiring = false;
		this.startSliding();
	}
};
LaserMechanic.prototype.startSliding = function () {
	this.isSliding = true;
	this.slideStartTime = LK.ticks;
	this.origin = null; // Detach laser from Blaster origin
	// Calculate slide direction to move away from the origin point
	var directionX = -Math.sin(this.laserBeam.rotation);
	var directionY = Math.cos(this.laserBeam.rotation);
	this.slideDirection = {
		x: directionX,
		y: directionY
	};
};
LaserMechanic.prototype.updateSliding = function () {
	if (!this.isSliding || !this.laserBeam) {
		return;
	}
	var slideProgress = (LK.ticks - this.slideStartTime) / this.slideOffDuration;
	if (slideProgress <= 1) {
		// Move the beam off screen
		this.laserBeam.x += this.slideDirection.x * 20;
		this.laserBeam.y += this.slideDirection.y * 20;
	} else {
		// Clean up
		if (this.laserBeam) {
			game.removeChild(this.laserBeam);
			this.laserBeam = null;
		}
		this.isSliding = false;
		this.slideDirection = null;
		this.attackComplete = true;
		if (this.origin) {
			this.origin.laserMechanic.attackComplete = true;
		}
	}
};
// Method to reset attack states
LaserMechanic.prototype.resetAttack = function () {
	this.isCharging = false;
	this.isFiring = false;
	this.isSliding = false;
	this.targetX = null;
	this.targetY = null;
	this.attackComplete = false;
	return true;
};
LaserMechanic.prototype.update = function () {
	if (this.isCharging) {
		this.updateCharge();
	} else if (this.isFiring) {
		this.updateFiring();
	} else if (this.isSliding || this.laserBeam) {
		this.updateSliding();
	}
};
// Method to check if the attack sequence is complete
LaserMechanic.prototype.isAttackComplete = function () {
	return this.attackComplete;
};
LaserMechanic.prototype.detachBeam = function () {
	if (this.laserBeam) {
		// Detach laser from origin
		this.origin = null;
		// Force laser into sliding phase
		this.startSliding();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -564,9 +564,9 @@
 		// Update hero bullets
 		for (var j = heroBullets.length - 1; j >= 0; j--) {
 			heroBullets[j].update();
 			for (var k = enemies.length - 1; k >= 0; k--) {
-				if (heroBullets[j].intersects(enemies[k]) && enemies[k].y > 0) {
+				if (heroBullets[j] && heroBullets[j].intersects(enemies[k]) && enemies[k].y > 0) {
 					enemies[k].HitPoints -= heroBullets[j].Power;
 					// Apply an increased push back effect
 					if (!(enemies[k] instanceof Bruiser)) {
 						enemies[k].y -= 12; // Push the drone upwards slightly more