/**** 
* Classes
****/ 
// AUDI class
var AUDI = Container.expand(function () {
	var self = Container.call(this);
	var audiGraphics = self.attachAsset('AUDI', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// AstonMartin class
var AstonMartin = Container.expand(function () {
	var self = Container.call(this);
	var astonMartinGraphics = self.attachAsset('AstonMartin', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// BMW class
var BMW = Container.expand(function () {
	var self = Container.call(this);
	var bmwGraphics = self.attachAsset('BMW', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
//<Assets used in the game will automatically appear here>
// Car class
var Car = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('BMW', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.maxSpeed = 10 * 1.7;
	self.acceleration = 0.2 * 1.7;
	self.deceleration = 0.1 * 1.7;
	self.update = function () {
		self.y -= self.speed;
		if (self.speed > 0) {
			self.speed -= self.deceleration;
		}
	};
	self.accelerate = function () {
		if (self.speed < self.maxSpeed) {
			self.speed += self.acceleration;
		}
	};
});
// Ferrari class
var Ferrari = Container.expand(function () {
	var self = Container.call(this);
	var ferrariGraphics = self.attachAsset('Ferrari', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// Mclaren class
var Mclaren = Container.expand(function () {
	var self = Container.call(this);
	var mclarenGraphics = self.attachAsset('Mclaren', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// RedBull class
var RedBull = Container.expand(function () {
	var self = Container.call(this);
	var redBullGraphics = self.attachAsset('RedBull', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// Renault class
var Renault = Container.expand(function () {
	var self = Container.call(this);
	var renaultGraphics = self.attachAsset('Renault', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// Williams class
var Williams = Container.expand(function () {
	var self = Container.call(this);
	var williamsGraphics = self.attachAsset('Williams', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 500,
		height: 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});

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

/**** 
* Game Code
****/ 
// Add keyboard event listeners for controlling the player's car
var keys = {};
game.on('keydown', function (event) {
	keys[event.code] = true;
	if (event.code === 'KeyA') {
		car.x -= car.speed;
	}
});
game.on('keyup', function (event) {
	keys[event.code] = false;
});
function countCarType(carType) {
	return obstacles.filter(function (obstacle) {
		return obstacle.constructor.name === carType;
	}).length;
}
var racetrack = LK.getAsset('racetrack', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(racetrack);
var leftFrame = LK.getAsset('leftFrame', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
});
game.addChild(leftFrame);
var rightFrame = LK.getAsset('rightFrame', {
	anchorX: 1,
	anchorY: 0,
	x: 2048,
	y: 0
});
game.addChild(rightFrame);
var car = game.addChild(new Car());
car.x = 2048 / 2;
car.y = 2732 - 200 - 277;
var obstacles = [];
var score = 0;
var lastSpawnTick = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
function spawnObstacle() {
	var carTypes = [Ferrari, RedBull, BMW, Mclaren, Renault, AstonMartin, AUDI, Williams];
	var startX = 200;
	var spacing = 200;
	for (var i = 0; i < carTypes.length; i++) {
		var car = new carTypes[i]();
		car.x = startX + i * spacing;
		car.y = 200; // Position all cars at the same y-coordinate
		obstacles.push(car);
		game.addChild(car);
	}
}
function updateScore() {
	score += 1;
	scoreTxt.setText(score);
}
game.move = function (x, y, obj) {
	car.x = x;
};
game.update = function () {
	car.update();
	// Update car position based on keyboard input
	if (keys['ArrowLeft'] || keys['KeyA']) {
		car.x -= car.speed;
	}
	if (keys['ArrowRight']) {
		car.x += car.speed;
	}
	if (keys['ArrowUp']) {
		car.accelerate();
	}
	// Ensure car does not move out of bounds
	if (car.x < 0) {
		car.x = 0;
	} else if (car.x > 2048) {
		car.x = 2048;
	}
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].update();
		if (car.intersects(obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	if (LK.ticks % 180 == 0) {
		// Delay spawning cars by 3 seconds (180 ticks)
		spawnObstacle();
		updateScore();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -5,9 +5,11 @@
 var AUDI = Container.expand(function () {
 	var self = Container.call(this);
 	var audiGraphics = self.attachAsset('AUDI', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -24,9 +26,11 @@
 var AstonMartin = Container.expand(function () {
 	var self = Container.call(this);
 	var astonMartinGraphics = self.attachAsset('AstonMartin', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -43,9 +47,11 @@
 var BMW = Container.expand(function () {
 	var self = Container.call(this);
 	var bmwGraphics = self.attachAsset('BMW', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -86,9 +92,11 @@
 var Ferrari = Container.expand(function () {
 	var self = Container.call(this);
 	var ferrariGraphics = self.attachAsset('Ferrari', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -105,9 +113,11 @@
 var Mclaren = Container.expand(function () {
 	var self = Container.call(this);
 	var mclarenGraphics = self.attachAsset('Mclaren', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -124,9 +134,11 @@
 var RedBull = Container.expand(function () {
 	var self = Container.call(this);
 	var redBullGraphics = self.attachAsset('RedBull', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -143,9 +155,11 @@
 var Renault = Container.expand(function () {
 	var self = Container.call(this);
 	var renaultGraphics = self.attachAsset('Renault', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -162,9 +176,11 @@
 var Williams = Container.expand(function () {
 	var self = Container.call(this);
 	var williamsGraphics = self.attachAsset('Williams', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 500,
+		height: 900
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;