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

/**** 
* Classes
****/ 
var F1Car = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('f1Car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.maxSpeed = 12;
	self.acceleration = 0.2;
	self.deceleration = 0.1;
	self.currentSpeed = 0;
	self.shielded = false;
	self.shieldTimer = 0;
	self.update = function () {
		if (self.currentSpeed < self.speed) {
			self.currentSpeed += self.acceleration;
		}
		if (self.currentSpeed > self.speed) {
			self.currentSpeed -= self.deceleration;
		}
		self.y += self.currentSpeed;
		if (self.shielded) {
			self.shieldTimer--;
			if (self.shieldTimer <= 0) {
				self.shielded = false;
				carGraphics.tint = 0xFFFFFF;
			}
		}
		if (self.x < 100) self.x = 100;
		if (self.x > 1948) self.x = 1948;
	};
	self.activateShield = function () {
		self.shielded = true;
		self.shieldTimer = 300;
		carGraphics.tint = 0x00BFFF;
	};
	self.boost = function () {
		var originalSpeed = self.speed;
		self.speed = self.maxSpeed;
		tween(self, {
			speed: originalSpeed
		}, {
			duration: 2000
		});
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var PowerUp = Container.expand(function (type) {
	var self = Container.call(this);
	var assetId = type || 'powerUp';
	var powerUpGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.type = type || 'points';
	self.speed = 8;
	self.collected = false;
	self.update = function () {
		self.y += self.speed;
		powerUpGraphics.rotation += 0.1;
	};
	return self;
});
var TrackSection = Container.expand(function () {
	var self = Container.call(this);
	var trackGraphics = self.attachAsset('trackSection', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var leftBorder = self.attachAsset('trackBorder', {
		anchorX: 0,
		anchorY: 0.5,
		x: -1024,
		y: 0
	});
	var rightBorder = self.attachAsset('trackBorder', {
		anchorX: 1,
		anchorY: 0.5,
		x: 1024,
		y: 0
	});
	self.speed = 8;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x228B22
});

/**** 
* Game Code
****/ 
var player = game.addChild(new F1Car());
player.x = 1024;
player.y = 1366;
var trackSections = [];
var obstacles = [];
var powerUps = [];
var distance = 0;
var gameSpeed = 8;
var spawnTimer = 0;
var powerUpSpawnTimer = 0;
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var speedText = new Text2('Speed: 0', {
	size: 40,
	fill: 0xFFFFFF
});
speedText.anchor.set(0, 0);
speedText.x = 50;
speedText.y = 100;
LK.gui.topLeft.addChild(speedText);
var bestScoreText = new Text2('Best: ' + (storage.bestScore || 0), {
	size: 40,
	fill: 0xFFD700
});
bestScoreText.anchor.set(1, 0);
bestScoreText.x = 2048 - 50;
bestScoreText.y = 100;
LK.gui.topRight.addChild(bestScoreText);
function createTrackSection() {
	var section = new TrackSection();
	section.x = 1024;
	section.y = -200;
	section.speed = gameSpeed;
	trackSections.push(section);
	game.addChild(section);
}
function createObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * 1600 + 224;
	obstacle.y = -100;
	obstacle.speed = gameSpeed;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
function createPowerUp() {
	var types = ['powerUp', 'speedBoost', 'shield'];
	var type = types[Math.floor(Math.random() * types.length)];
	var powerUp = new PowerUp(type);
	powerUp.x = Math.random() * 1600 + 224;
	powerUp.y = -100;
	powerUp.speed = gameSpeed;
	powerUps.push(powerUp);
	game.addChild(powerUp);
}
for (var i = 0; i < 8; i++) {
	createTrackSection();
	trackSections[i].y = i * 400 - 200;
}
var dragStartX = 0;
var isDragging = false;
game.down = function (x, y, obj) {
	isDragging = true;
	dragStartX = x;
};
game.move = function (x, y, obj) {
	if (isDragging) {
		var deltaX = x - dragStartX;
		player.x += deltaX * 0.3;
		dragStartX = x;
	}
};
game.up = function (x, y, obj) {
	isDragging = false;
};
game.update = function () {
	distance += gameSpeed;
	if (distance % 100 === 0) {
		LK.setScore(LK.getScore() + 1);
		scoreText.setText('Score: ' + LK.getScore());
		// Update best score if current score is higher
		var currentScore = LK.getScore();
		var bestScore = storage.bestScore || 0;
		if (currentScore > bestScore) {
			storage.bestScore = currentScore;
			bestScoreText.setText('Best: ' + currentScore);
		}
	}
	speedText.setText('Speed: ' + Math.floor(player.currentSpeed));
	if (distance % 1000 === 0 && gameSpeed < 12) {
		gameSpeed += 0.5;
	}
	for (var i = trackSections.length - 1; i >= 0; i--) {
		var section = trackSections[i];
		section.speed = gameSpeed;
		if (section.y > 2800) {
			section.destroy();
			trackSections.splice(i, 1);
			var newSection = new TrackSection();
			newSection.x = 1024;
			newSection.y = -200;
			newSection.speed = gameSpeed;
			trackSections.push(newSection);
			game.addChild(newSection);
		}
	}
	spawnTimer++;
	if (spawnTimer >= 60) {
		if (Math.random() < 0.3) {
			createObstacle();
		}
		spawnTimer = 0;
	}
	powerUpSpawnTimer++;
	if (powerUpSpawnTimer >= 180) {
		if (Math.random() < 0.4) {
			createPowerUp();
		}
		powerUpSpawnTimer = 0;
	}
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		obstacle.speed = gameSpeed;
		if (obstacle.y > 2800) {
			obstacle.destroy();
			obstacles.splice(i, 1);
			continue;
		}
		if (player.intersects(obstacle)) {
			if (player.shielded) {
				LK.getSound('boost').play();
				obstacle.destroy();
				obstacles.splice(i, 1);
				LK.setScore(LK.getScore() + 5);
				scoreText.setText('Score: ' + LK.getScore());
			} else {
				LK.getSound('crash').play();
				LK.effects.flashScreen(0xFF0000, 1000);
				// Save final score before game over
				var finalScore = LK.getScore();
				var bestScore = storage.bestScore || 0;
				if (finalScore > bestScore) {
					storage.bestScore = finalScore;
				}
				LK.showGameOver();
			}
		}
	}
	for (var i = powerUps.length - 1; i >= 0; i--) {
		var powerUp = powerUps[i];
		powerUp.speed = gameSpeed;
		if (powerUp.y > 2800) {
			powerUp.destroy();
			powerUps.splice(i, 1);
			continue;
		}
		if (player.intersects(powerUp) && !powerUp.collected) {
			powerUp.collected = true;
			LK.getSound('collect').play();
			if (powerUp.type === 'speedBoost') {
				player.boost();
				LK.setScore(LK.getScore() + 10);
			} else if (powerUp.type === 'shield') {
				player.activateShield();
				LK.setScore(LK.getScore() + 15);
			} else {
				LK.setScore(LK.getScore() + 5);
			}
			scoreText.setText('Score: ' + LK.getScore());
			powerUp.destroy();
			powerUps.splice(i, 1);
		}
	}
	if (LK.getScore() >= 500) {
		// Save winning score
		var winScore = LK.getScore();
		var bestScore = storage.bestScore || 0;
		if (winScore > bestScore) {
			storage.bestScore = winScore;
		}
		LK.showYouWin();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -118,9 +118,9 @@
 * Game Code
 ****/ 
 var player = game.addChild(new F1Car());
 player.x = 1024;
-player.y = 2200;
+player.y = 1366;
 var trackSections = [];
 var obstacles = [];
 var powerUps = [];
 var distance = 0;