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

/**** 
* Classes
****/ 
var Car = Container.expand(function (direction, speed, lane) {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.direction = direction; // 1 for right, -1 for left
	self.speed = speed;
	self.lane = lane;
	// Position car based on direction
	if (self.direction === 1) {
		self.x = -60; // Start from left
	} else {
		self.x = 2048 + 60; // Start from right
	}
	self.y = 2732 - 100 - lane * 150; // Position in lane using dynamic road positioning
	self.update = function () {
		self.x += self.speed * self.direction;
		// Remove car when it goes off screen
		if (self.direction === 1 && self.x > 2048 + 100) {
			self.removeFromParent = true;
		} else if (self.direction === -1 && self.x < -100) {
			self.removeFromParent = true;
		}
	};
	return self;
});
var Chicken = Container.expand(function () {
	var self = Container.call(this);
	var chickenGraphics = self.attachAsset('chicken', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.moveStep = 100;
	self.isMoving = false;
	self.targetY = 2732 - 100; // Start near bottom
	self.moveForward = function () {
		if (self.isMoving) return;
		self.isMoving = true;
		var newY = self.y - self.moveStep;
		// Animate movement
		tween(self, {
			y: newY
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.isMoving = false;
				// Check if crossed a road
				if (self.y < 150) {
					// Crossed all roads, reset and increase score
					crossedRoad();
				}
			}
		});
		LK.getSound('move').play();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x4CAF50
});

/**** 
* Game Code
****/ 
var chicken;
var cars = [];
var roads = [];
var gameSpeed = 1;
var carSpawnTimer = 0;
var carSpawnRate = 60; // frames between car spawns
var crossedRoads = 0;
// Create score display
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create roads
function createRoads() {
	// Create roads from starting position to current position
	var totalRoads = Math.max(6, Math.ceil((2732 - 100) / 150));
	for (var i = 0; i < totalRoads; i++) {
		var roadY = 2732 - 100 - i * 150;
		if (roadY >= 0) {
			var road = LK.getAsset('road', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 1024,
				y: roadY
			});
			roads.push(road);
			game.addChild(road);
			// Add road lines
			var roadLine = LK.getAsset('roadLine', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 1024,
				y: roadY
			});
			game.addChild(roadLine);
		}
	}
}
// Create chicken
function createChicken() {
	chicken = game.addChild(new Chicken());
	chicken.x = 1024; // Center horizontally
	chicken.y = 2732 - 100; // Start near bottom
}
// Spawn a car
function spawnCar() {
	var lane = Math.floor(Math.random() * roads.length);
	var direction = Math.random() > 0.5 ? 1 : -1;
	var baseSpeed = (3 + Math.random() * 4) * 2; // 2x speed increase
	var speed = baseSpeed * gameSpeed;
	var car = new Car(direction, speed, lane);
	cars.push(car);
	game.addChild(car);
}
// Check collisions
function checkCollisions() {
	for (var i = 0; i < cars.length; i++) {
		var car = cars[i];
		if (chicken.intersects(car)) {
			// Game over
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 500);
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 500);
			return;
		}
	}
}
// Handle successful road crossing
function crossedRoad() {
	crossedRoads++;
	LK.setScore(crossedRoads);
	scoreTxt.setText(crossedRoads.toString());
	// Reset chicken position
	chicken.y = 2732 - 100;
	// Increase difficulty
	gameSpeed += 0.1;
	if (carSpawnRate > 30) {
		carSpawnRate -= 2;
	}
	// Flash screen green for success
	LK.effects.flashScreen(0x00ff00, 300);
}
// Initialize game elements
createRoads();
createChicken();
// Game controls
game.down = function (x, y, obj) {
	if (chicken && !chicken.isMoving) {
		chicken.moveForward();
	}
};
// Main game loop
game.update = function () {
	// Spawn cars
	carSpawnTimer++;
	if (carSpawnTimer >= carSpawnRate) {
		spawnCar();
		carSpawnTimer = 0;
	}
	// Clean up cars that are off screen
	for (var i = cars.length - 1; i >= 0; i--) {
		var car = cars[i];
		if (car.removeFromParent) {
			car.destroy();
			cars.splice(i, 1);
		}
	}
	// Check collisions
	checkCollisions();
};

===================================================================
--- original.js
+++ change.js
@@ -20,9 +20,9 @@
 		self.x = -60; // Start from left
 	} else {
 		self.x = 2048 + 60; // Start from right
 	}
-	self.y = 250 + lane * 150; // Position in lane
+	self.y = 2732 - 100 - lane * 150; // Position in lane using dynamic road positioning
 	self.update = function () {
 		self.x += self.speed * self.direction;
 		// Remove car when it goes off screen
 		if (self.direction === 1 && self.x > 2048 + 100) {
@@ -91,25 +91,30 @@
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Create roads
 function createRoads() {
-	for (var i = 0; i < 6; i++) {
-		var road = LK.getAsset('road', {
-			anchorX: 0.5,
-			anchorY: 0.5,
-			x: 1024,
-			y: 250 + i * 150
-		});
-		roads.push(road);
-		game.addChild(road);
-		// Add road lines
-		var roadLine = LK.getAsset('roadLine', {
-			anchorX: 0.5,
-			anchorY: 0.5,
-			x: 1024,
-			y: 250 + i * 150
-		});
-		game.addChild(roadLine);
+	// Create roads from starting position to current position
+	var totalRoads = Math.max(6, Math.ceil((2732 - 100) / 150));
+	for (var i = 0; i < totalRoads; i++) {
+		var roadY = 2732 - 100 - i * 150;
+		if (roadY >= 0) {
+			var road = LK.getAsset('road', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				x: 1024,
+				y: roadY
+			});
+			roads.push(road);
+			game.addChild(road);
+			// Add road lines
+			var roadLine = LK.getAsset('roadLine', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				x: 1024,
+				y: roadY
+			});
+			game.addChild(roadLine);
+		}
 	}
 }
 // Create chicken
 function createChicken() {
@@ -118,9 +123,9 @@
 	chicken.y = 2732 - 100; // Start near bottom
 }
 // Spawn a car
 function spawnCar() {
-	var lane = Math.floor(Math.random() * 6);
+	var lane = Math.floor(Math.random() * roads.length);
 	var direction = Math.random() > 0.5 ? 1 : -1;
 	var baseSpeed = (3 + Math.random() * 4) * 2; // 2x speed increase
 	var speed = baseSpeed * gameSpeed;
 	var car = new Car(direction, speed, lane);