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

/**** 
* Classes
****/ 
var EnemyCar = Container.expand(function () {
	var self = Container.call(this);
	// Randomly select car type
	var carTypes = ['enemyCar1', 'enemyCar2', 'enemyCar3'];
	var selectedType = carTypes[Math.floor(Math.random() * carTypes.length)];
	var carGraphics = self.attachAsset(selectedType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.checkedNearMiss = false;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var PlayerCar = Container.expand(function (carType) {
	var self = Container.call(this);
	var selectedCar = carType || 'playerCar1';
	var carGraphics = self.attachAsset(selectedCar, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.targetX = 2048 / 2;
	self.currentX = 2048 / 2;
	self.update = function () {
		// Smooth movement towards target position
		var diff = self.targetX - self.currentX;
		self.currentX += diff * 0.15;
		self.x = self.currentX;
	};
	return self;
});
var RoadLine = Container.expand(function () {
	var self = Container.call(this);
	var lineGraphics = self.attachAsset('roadLine', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2d2d2d
});

/**** 
* Game Code
****/ 
// Game variables
var player;
var enemyCars = [];
var roadLines = [];
var gameSpeed = 1;
var distanceScore = 0;
var bonusScore = 0;
var totalScore = 0;
var spawnTimer = 0;
var roadLineTimer = 0;
var speedIncreaseTimer = 0;
// Difficulty system
var currentDifficulty = 'medium'; // 'easy', 'medium', 'hard'
var gameStarted = false;
// Car selection system
var selectedPlayerCar = 'playerCar1';
var showingCarSelection = false;
var difficultySettings = {
	easy: {
		initialSpeed: 1.0,
		speedIncrease: 0.1,
		spawnRateBase: 80,
		enemySpeedMultiplier: 1.0,
		speedIncreaseInterval: 900 // 15 seconds
	},
	medium: {
		initialSpeed: 2.0,
		speedIncrease: 0.2,
		spawnRateBase: 60,
		enemySpeedMultiplier: 2.0,
		speedIncreaseInterval: 600 // 10 seconds
	},
	hard: {
		initialSpeed: 5.0,
		speedIncrease: 0.3,
		spawnRateBase: 25,
		enemySpeedMultiplier: 5.0,
		speedIncreaseInterval: 300 // 5 seconds
	}
};
// Lane positions
var lanes = [400, 700, 1000, 1300, 1648];
var laneCount = 5;
// UI Elements
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 100;
var speedTxt = new Text2('Speed: 1x', {
	size: 60,
	fill: 0xFFFF00
});
speedTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(speedTxt);
speedTxt.x = -50;
speedTxt.y = 50;
// Difficulty selection UI
var difficultyTxt = new Text2('Select Difficulty', {
	size: 100,
	fill: 0xFFFFFF
});
difficultyTxt.anchor.set(0.5, 0.5);
difficultyTxt.x = 2048 / 2;
difficultyTxt.y = 800;
game.addChild(difficultyTxt);
var easyBtn = new Text2('EASY', {
	size: 80,
	fill: 0x00FF00
});
easyBtn.anchor.set(0.5, 0.5);
easyBtn.x = 2048 / 2 - 300;
easyBtn.y = 1200;
game.addChild(easyBtn);
var mediumBtn = new Text2('MEDIUM', {
	size: 80,
	fill: 0xFFFF00
});
mediumBtn.anchor.set(0.5, 0.5);
mediumBtn.x = 2048 / 2;
mediumBtn.y = 1200;
game.addChild(mediumBtn);
var hardBtn = new Text2('HARD', {
	size: 80,
	fill: 0xFF0000
});
hardBtn.anchor.set(0.5, 0.5);
hardBtn.x = 2048 / 2 + 300;
hardBtn.y = 1200;
game.addChild(hardBtn);
var instructionTxt = new Text2('Touch a difficulty to start!', {
	size: 60,
	fill: 0xCCCCCC
});
instructionTxt.anchor.set(0.5, 0.5);
instructionTxt.x = 2048 / 2;
instructionTxt.y = 1400;
game.addChild(instructionTxt);
// Car selection UI (initially hidden)
var carSelectionTxt = new Text2('Select Your Car', {
	size: 100,
	fill: 0xFFFFFF
});
carSelectionTxt.anchor.set(0.5, 0.5);
carSelectionTxt.x = 2048 / 2;
carSelectionTxt.y = 800;
carSelectionTxt.alpha = 0;
game.addChild(carSelectionTxt);
var car1Btn = new Text2('CAR 1', {
	size: 70,
	fill: 0x00FFFF
});
car1Btn.anchor.set(0.5, 0.5);
car1Btn.x = 2048 / 2 - 300;
car1Btn.y = 1200;
car1Btn.alpha = 0;
game.addChild(car1Btn);
var car2Btn = new Text2('CAR 2', {
	size: 70,
	fill: 0xFF8800
});
car2Btn.anchor.set(0.5, 0.5);
car2Btn.x = 2048 / 2;
car2Btn.y = 1200;
car2Btn.alpha = 0;
game.addChild(car2Btn);
var car3Btn = new Text2('CAR 3', {
	size: 70,
	fill: 0xFF0088
});
car3Btn.anchor.set(0.5, 0.5);
car3Btn.x = 2048 / 2 + 300;
car3Btn.y = 1200;
car3Btn.alpha = 0;
game.addChild(car3Btn);
var carInstructionTxt = new Text2('Touch a car to start!', {
	size: 60,
	fill: 0xCCCCCC
});
carInstructionTxt.anchor.set(0.5, 0.5);
carInstructionTxt.x = 2048 / 2;
carInstructionTxt.y = 1400;
carInstructionTxt.alpha = 0;
game.addChild(carInstructionTxt);
// Initialize player
player = game.addChild(new PlayerCar(selectedPlayerCar));
player.x = 2048 / 2;
player.y = 2200;
player.alpha = 0.3; // Make player semi-transparent during difficulty selection
// Difficulty button handlers
easyBtn.down = function (x, y, obj) {
	selectDifficulty('easy');
};
mediumBtn.down = function (x, y, obj) {
	selectDifficulty('medium');
};
hardBtn.down = function (x, y, obj) {
	selectDifficulty('hard');
};
// Car selection button handlers
car1Btn.down = function (x, y, obj) {
	startGameWithCar('playerCar1');
};
car2Btn.down = function (x, y, obj) {
	startGameWithCar('playerCar2');
};
car3Btn.down = function (x, y, obj) {
	startGameWithCar('playerCar3');
};
function selectDifficulty(difficulty) {
	currentDifficulty = difficulty;
	showingCarSelection = true;
	// Hide difficulty selection UI
	difficultyTxt.alpha = 0;
	easyBtn.alpha = 0;
	mediumBtn.alpha = 0;
	hardBtn.alpha = 0;
	instructionTxt.alpha = 0;
	// Show car selection UI
	carSelectionTxt.alpha = 1;
	car1Btn.alpha = 1;
	car2Btn.alpha = 1;
	car3Btn.alpha = 1;
	carInstructionTxt.alpha = 1;
}
function startGameWithCar(carType) {
	selectedPlayerCar = carType;
	gameStarted = true;
	showingCarSelection = false;
	gameSpeed = difficultySettings[currentDifficulty].initialSpeed;
	// Hide car selection UI
	carSelectionTxt.alpha = 0;
	car1Btn.alpha = 0;
	car2Btn.alpha = 0;
	car3Btn.alpha = 0;
	carInstructionTxt.alpha = 0;
	// Create new player with selected car
	player.destroy();
	player = game.addChild(new PlayerCar(selectedPlayerCar));
	player.x = 2048 / 2;
	player.y = 2200;
	player.alpha = 1;
	// Update speed display
	speedTxt.setText('Speed: ' + gameSpeed.toFixed(1) + 'x');
	// Show difficulty indicator
	var difficultyIndicator = new Text2('Difficulty: ' + currentDifficulty.toUpperCase(), {
		size: 50,
		fill: currentDifficulty === 'easy' ? 0x00FF00 : currentDifficulty === 'medium' ? 0xFFFF00 : 0xFF0000
	});
	difficultyIndicator.anchor.set(0, 0);
	LK.gui.topLeft.addChild(difficultyIndicator);
	difficultyIndicator.x = 120;
	difficultyIndicator.y = 20;
}
// Touch controls
var isDragging = false;
game.down = function (x, y, obj) {
	if (gameStarted) {
		isDragging = true;
		player.targetX = x;
	}
};
game.move = function (x, y, obj) {
	if (isDragging && gameStarted) {
		// Constrain to lanes
		var clampedX = Math.max(lanes[0], Math.min(lanes[lanes.length - 1], x));
		player.targetX = clampedX;
	}
};
game.up = function (x, y, obj) {
	if (gameStarted) {
		isDragging = false;
	}
};
// Helper functions
function spawnEnemyCar() {
	var enemy = new EnemyCar();
	var laneIndex = Math.floor(Math.random() * lanes.length);
	enemy.x = lanes[laneIndex];
	enemy.y = -100;
	enemy.speed = 8 + gameSpeed * difficultySettings[currentDifficulty].enemySpeedMultiplier;
	enemyCars.push(enemy);
	game.addChild(enemy);
}
function spawnRoadLine() {
	var line = new RoadLine();
	line.x = 2048 / 2;
	line.y = -50;
	line.speed = 10 + gameSpeed * 2;
	roadLines.push(line);
	game.addChild(line);
}
function checkNearMiss(enemy) {
	if (!enemy.checkedNearMiss) {
		var distance = Math.abs(player.x - enemy.x);
		var verticalDistance = Math.abs(player.y - enemy.y);
		if (distance < 150 && verticalDistance < 200) {
			enemy.checkedNearMiss = true;
			bonusScore += 10;
			totalScore += 10;
			// Visual effect for near miss
			LK.effects.flashObject(enemy, 0xffff00, 200);
			LK.getSound('nearMiss').play();
			return true;
		}
	}
	return false;
}
function updateScore() {
	distanceScore = Math.floor(LK.ticks / 10);
	totalScore = distanceScore + bonusScore;
	LK.setScore(totalScore);
	scoreTxt.setText('Score: ' + totalScore);
}
function updateSpeed() {
	speedIncreaseTimer++;
	var interval = difficultySettings[currentDifficulty].speedIncreaseInterval;
	if (speedIncreaseTimer >= interval) {
		gameSpeed += difficultySettings[currentDifficulty].speedIncrease;
		speedIncreaseTimer = 0;
		speedTxt.setText('Speed: ' + gameSpeed.toFixed(1) + 'x');
	}
}
// Main game loop
game.update = function () {
	if (!gameStarted) {
		return; // Don't update game logic until difficulty is selected
	}
	updateScore();
	updateSpeed();
	// Spawn enemy cars
	spawnTimer++;
	var baseSpawnRate = difficultySettings[currentDifficulty].spawnRateBase;
	var speedMultiplier = currentDifficulty === 'hard' ? 15 : 10; // More aggressive scaling for hard mode
	var spawnRate = Math.max(baseSpawnRate - gameSpeed * speedMultiplier, currentDifficulty === 'hard' ? 10 : 20); // Lower minimum for hard mode
	if (spawnTimer >= spawnRate) {
		spawnEnemyCar();
		spawnTimer = 0;
	}
	// Spawn road lines
	roadLineTimer++;
	if (roadLineTimer >= 20) {
		spawnRoadLine();
		roadLineTimer = 0;
	}
	// Update and check enemy cars
	for (var i = enemyCars.length - 1; i >= 0; i--) {
		var enemy = enemyCars[i];
		// Check for collision
		if (enemy.intersects(player)) {
			// Game over
			LK.effects.flashScreen(0xff0000, 1000);
			LK.getSound('crash').play();
			LK.showGameOver();
			return;
		}
		// Check for near miss
		checkNearMiss(enemy);
		// Remove off-screen enemies
		if (enemy.y > 2800) {
			enemy.destroy();
			enemyCars.splice(i, 1);
		}
	}
	// Update and clean up road lines
	for (var j = roadLines.length - 1; j >= 0; j--) {
		var line = roadLines[j];
		if (line.y > 2800) {
			line.destroy();
			roadLines.splice(j, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -21,11 +21,12 @@
 		self.y += self.speed;
 	};
 	return self;
 });
-var PlayerCar = Container.expand(function () {
+var PlayerCar = Container.expand(function (carType) {
 	var self = Container.call(this);
-	var carGraphics = self.attachAsset('playerCar', {
+	var selectedCar = carType || 'playerCar1';
+	var carGraphics = self.attachAsset(selectedCar, {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.targetX = 2048 / 2;
@@ -74,8 +75,11 @@
 var speedIncreaseTimer = 0;
 // Difficulty system
 var currentDifficulty = 'medium'; // 'easy', 'medium', 'hard'
 var gameStarted = false;
+// Car selection system
+var selectedPlayerCar = 'playerCar1';
+var showingCarSelection = false;
 var difficultySettings = {
 	easy: {
 		initialSpeed: 1.0,
 		speedIncrease: 0.1,
@@ -157,41 +161,118 @@
 instructionTxt.anchor.set(0.5, 0.5);
 instructionTxt.x = 2048 / 2;
 instructionTxt.y = 1400;
 game.addChild(instructionTxt);
+// Car selection UI (initially hidden)
+var carSelectionTxt = new Text2('Select Your Car', {
+	size: 100,
+	fill: 0xFFFFFF
+});
+carSelectionTxt.anchor.set(0.5, 0.5);
+carSelectionTxt.x = 2048 / 2;
+carSelectionTxt.y = 800;
+carSelectionTxt.alpha = 0;
+game.addChild(carSelectionTxt);
+var car1Btn = new Text2('CAR 1', {
+	size: 70,
+	fill: 0x00FFFF
+});
+car1Btn.anchor.set(0.5, 0.5);
+car1Btn.x = 2048 / 2 - 300;
+car1Btn.y = 1200;
+car1Btn.alpha = 0;
+game.addChild(car1Btn);
+var car2Btn = new Text2('CAR 2', {
+	size: 70,
+	fill: 0xFF8800
+});
+car2Btn.anchor.set(0.5, 0.5);
+car2Btn.x = 2048 / 2;
+car2Btn.y = 1200;
+car2Btn.alpha = 0;
+game.addChild(car2Btn);
+var car3Btn = new Text2('CAR 3', {
+	size: 70,
+	fill: 0xFF0088
+});
+car3Btn.anchor.set(0.5, 0.5);
+car3Btn.x = 2048 / 2 + 300;
+car3Btn.y = 1200;
+car3Btn.alpha = 0;
+game.addChild(car3Btn);
+var carInstructionTxt = new Text2('Touch a car to start!', {
+	size: 60,
+	fill: 0xCCCCCC
+});
+carInstructionTxt.anchor.set(0.5, 0.5);
+carInstructionTxt.x = 2048 / 2;
+carInstructionTxt.y = 1400;
+carInstructionTxt.alpha = 0;
+game.addChild(carInstructionTxt);
 // Initialize player
-player = game.addChild(new PlayerCar());
+player = game.addChild(new PlayerCar(selectedPlayerCar));
 player.x = 2048 / 2;
 player.y = 2200;
 player.alpha = 0.3; // Make player semi-transparent during difficulty selection
 // Difficulty button handlers
 easyBtn.down = function (x, y, obj) {
-	startGameWithDifficulty('easy');
+	selectDifficulty('easy');
 };
 mediumBtn.down = function (x, y, obj) {
-	startGameWithDifficulty('medium');
+	selectDifficulty('medium');
 };
 hardBtn.down = function (x, y, obj) {
-	startGameWithDifficulty('hard');
+	selectDifficulty('hard');
 };
-function startGameWithDifficulty(difficulty) {
+// Car selection button handlers
+car1Btn.down = function (x, y, obj) {
+	startGameWithCar('playerCar1');
+};
+car2Btn.down = function (x, y, obj) {
+	startGameWithCar('playerCar2');
+};
+car3Btn.down = function (x, y, obj) {
+	startGameWithCar('playerCar3');
+};
+function selectDifficulty(difficulty) {
 	currentDifficulty = difficulty;
-	gameStarted = true;
-	gameSpeed = difficultySettings[difficulty].initialSpeed;
+	showingCarSelection = true;
 	// Hide difficulty selection UI
 	difficultyTxt.alpha = 0;
 	easyBtn.alpha = 0;
 	mediumBtn.alpha = 0;
 	hardBtn.alpha = 0;
 	instructionTxt.alpha = 0;
-	// Show player car
+	// Show car selection UI
+	carSelectionTxt.alpha = 1;
+	car1Btn.alpha = 1;
+	car2Btn.alpha = 1;
+	car3Btn.alpha = 1;
+	carInstructionTxt.alpha = 1;
+}
+function startGameWithCar(carType) {
+	selectedPlayerCar = carType;
+	gameStarted = true;
+	showingCarSelection = false;
+	gameSpeed = difficultySettings[currentDifficulty].initialSpeed;
+	// Hide car selection UI
+	carSelectionTxt.alpha = 0;
+	car1Btn.alpha = 0;
+	car2Btn.alpha = 0;
+	car3Btn.alpha = 0;
+	carInstructionTxt.alpha = 0;
+	// Create new player with selected car
+	player.destroy();
+	player = game.addChild(new PlayerCar(selectedPlayerCar));
+	player.x = 2048 / 2;
+	player.y = 2200;
 	player.alpha = 1;
 	// Update speed display
 	speedTxt.setText('Speed: ' + gameSpeed.toFixed(1) + 'x');
 	// Show difficulty indicator
-	var difficultyIndicator = new Text2('Difficulty: ' + difficulty.toUpperCase(), {
+	var difficultyIndicator = new Text2('Difficulty: ' + currentDifficulty.toUpperCase(), {
 		size: 50,
-		fill: difficulty === 'easy' ? 0x00FF00 : difficulty === 'medium' ? 0xFFFF00 : 0xFF0000
+		fill: currentDifficulty === 'easy' ? 0x00FF00 : currentDifficulty === 'medium' ? 0xFFFF00 : 0xFF0000
 	});
 	difficultyIndicator.anchor.set(0, 0);
 	LK.gui.topLeft.addChild(difficultyIndicator);
 	difficultyIndicator.x = 120;