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

/**** 
* Classes
****/ 
var AICar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('aiCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lane = Math.floor(Math.random() * 3);
	self.speed = (8 + Math.random() * 4) * 0.8;
	self.update = function () {
		self.y += self.speed;
		// Random lane changes
		if (Math.random() < 0.005) {
			var newLane = Math.floor(Math.random() * 3);
			if (newLane !== self.lane) {
				self.lane = newLane;
				tween(self, {
					x: 600 + self.lane * 400
				}, {
					duration: 400,
					easing: tween.easeInOut
				});
			}
		}
	};
	return self;
});
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -20;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var BulletPowerup = Container.expand(function () {
	var self = Container.call(this);
	var bulletPowerupGraphics = self.attachAsset('bulletPowerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lane = Math.floor(Math.random() * 3);
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var NitroPowerup = Container.expand(function () {
	var self = Container.call(this);
	var nitroGraphics = self.attachAsset('nitro', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lane = Math.floor(Math.random() * 3);
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var PlayerCar = Container.expand(function () {
	var self = Container.call(this);
	self.carType = storage.selectedCar || 'car1';
	var carGraphics = self.attachAsset(self.carType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lane = 1; // 0, 1, 2 for three lanes
	self.nitroActive = false;
	self.nitroTime = 0;
	self.speed = 10;
	self.baseSpeed = 10;
	self.maxSpeed = 20;
	self.minSpeed = 5;
	self.nitroCount = 0;
	self.bulletCount = 0;
	self.update = function () {
		if (self.nitroActive) {
			self.nitroTime--;
			if (self.nitroTime <= 0) {
				self.nitroActive = false;
				self.speed = 10;
			}
		}
	};
	self.changeLane = function (direction) {
		if (direction === 'left' && self.lane > 0) {
			self.lane--;
			tween(self, {
				x: 600 + self.lane * 400
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		} else if (direction === 'right' && self.lane < 2) {
			self.lane++;
			tween(self, {
				x: 600 + self.lane * 400
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		}
	};
	self.activateNitro = function () {
		if (!self.nitroActive) {
			self.nitroActive = true;
			self.nitroTime = 180; // 3 seconds at 60fps
			self.speed = 20;
			LK.effects.flashObject(self, 0xffff00, 500);
		}
	};
	self.accelerate = function () {
		if (!self.nitroActive && self.speed < self.maxSpeed) {
			self.speed = Math.min(self.speed + 0.5, self.maxSpeed);
		}
	};
	self.brake = function () {
		if (!self.nitroActive && self.speed > self.minSpeed) {
			self.speed = Math.max(self.speed - 0.5, self.minSpeed);
		}
	};
	return self;
});
var TrackLine = Container.expand(function () {
	var self = Container.call(this);
	var lineGraphics = self.attachAsset('trackLine', {
		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: 0x2d5016
});

/**** 
* Game Code
****/ 
// Game states
var gameState = 'menu'; // menu, playing, rearview
var selectedMenuOption = 0;
var selectedCarOption = storage.selectedCar || 'car1';
var audioEnabled = storage.audioEnabled !== false;
var raceTime = 0;
var trackType = 0;
// Game containers
var menuContainer = null;
var gameContainer = null;
var uiContainer = null;
// Game objects
var player = null;
var aiCars = [];
var nitroPowerups = [];
var bulletPowerups = [];
var trackLines = [];
var bullets = [];
// UI elements
var timerText = null;
var nitroCounterText = null;
var bulletCounterText = null;
var minimap = null;
var dpadLeft = null;
var dpadRight = null;
var buttonA = null;
var buttonB = null;
function createMainMenu() {
	menuContainer = game.addChild(new Container());
	menuContainer.interactive = true;
	if (audioEnabled) {
		LK.playMusic('menuMusic');
	}
	var bg = menuContainer.attachAsset('menuBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366
	});
	var titleText = new Text2('RETRO RACER', {
		size: 200,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 1024;
	titleText.y = 400;
	menuContainer.addChild(titleText);
	// Menu options
	var menuOptions = ['GAME PLAY', 'OPTIONS', 'EXIT'];
	var menuButtons = [];
	for (var i = 0; i < menuOptions.length; i++) {
		var button = menuContainer.attachAsset('menuButton', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 1024,
			y: 900 + i * 200
		});
		button.interactive = true;
		button.buttonDown = true;
		button.menuIndex = i;
		var buttonText = new Text2(menuOptions[i], {
			size: 60,
			fill: 0xFFFFFF
		});
		buttonText.anchor.set(0.5, 0.5);
		buttonText.x = 1024;
		buttonText.y = 900 + i * 200;
		menuContainer.addChild(buttonText);
		menuButtons.push({
			button: button,
			text: buttonText,
			index: i
		});
	}
	// Highlight selected option
	function updateMenuSelection() {
		for (var i = 0; i < menuButtons.length; i++) {
			if (i === selectedMenuOption) {
				menuButtons[i].button.tint = 0x8bac0f;
				menuButtons[i].text.tint = 0x000000;
			} else {
				menuButtons[i].button.tint = 0xffffff;
				menuButtons[i].text.tint = 0xffffff;
			}
		}
	}
	updateMenuSelection();
	// Add event handlers to individual buttons
	for (var i = 0; i < menuButtons.length; i++) {
		(function (index) {
			menuButtons[index].button.down = function (x, y, obj) {
				if (audioEnabled) {
					LK.getSound('menuClick').play();
				}
				selectedMenuOption = index;
				updateMenuSelection();
				selectMenuOption();
			};
		})(i);
	}
}
function createOptionsMenu() {
	menuContainer = game.addChild(new Container());
	menuContainer.interactive = true;
	var bg = menuContainer.attachAsset('menuBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366
	});
	var titleText = new Text2('OPTIONS', {
		size: 120,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 1024;
	titleText.y = 400;
	menuContainer.addChild(titleText);
	// Car selection
	var carText = new Text2('SELECT CAR:', {
		size: 60,
		fill: 0x8BAC0F
	});
	carText.anchor.set(0.5, 0.5);
	carText.x = 1024;
	carText.y = 700;
	menuContainer.addChild(carText);
	var carOptions = ['car1', 'car2', 'car3'];
	var carButtons = [];
	for (var i = 0; i < carOptions.length; i++) {
		var carButton = menuContainer.attachAsset(carOptions[i], {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 700 + i * 300,
			y: 900
		});
		carButton.interactive = true;
		carButton.buttonDown = true;
		carButton.carType = carOptions[i];
		if (carOptions[i] === selectedCarOption) {
			carButton.scale.set(1.5);
		}
		carButtons.push({
			button: carButton,
			type: carOptions[i]
		});
	}
	// Audio toggle
	var audioText = new Text2('AUDIO: ' + (audioEnabled ? 'ON' : 'OFF'), {
		size: 60,
		fill: 0xFFFFFF
	});
	audioText.anchor.set(0.5, 0.5);
	audioText.x = 1024;
	audioText.y = 1200;
	menuContainer.addChild(audioText);
	// Audio toggle button
	var audioButton = menuContainer.attachAsset('menuButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1200
	});
	audioButton.interactive = true;
	audioButton.buttonDown = true;
	// Back button
	var backButton = menuContainer.attachAsset('menuButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1600
	});
	backButton.interactive = true;
	backButton.buttonDown = true;
	var backText = new Text2('BACK', {
		size: 60,
		fill: 0xFFFFFF
	});
	backText.anchor.set(0.5, 0.5);
	backText.x = 1024;
	backText.y = 1600;
	menuContainer.addChild(backText);
	// Add event handlers to car buttons
	for (var i = 0; i < carButtons.length; i++) {
		(function (index) {
			carButtons[index].button.down = function (x, y, obj) {
				if (audioEnabled) {
					LK.getSound('menuClick').play();
				}
				selectedCarOption = carButtons[index].type;
				storage.selectedCar = selectedCarOption;
				menuContainer.destroy();
				createOptionsMenu();
			};
		})(i);
	}
	// Add event handler to audio button
	audioButton.down = function (x, y, obj) {
		if (audioEnabled) {
			LK.getSound('menuClick').play();
		}
		audioEnabled = !audioEnabled;
		storage.audioEnabled = audioEnabled;
		audioText.text = 'AUDIO: ' + (audioEnabled ? 'ON' : 'OFF');
	};
	// Add event handler to back button
	backButton.down = function (x, y, obj) {
		if (audioEnabled) {
			LK.getSound('menuClick').play();
		}
		menuContainer.destroy();
		createMainMenu();
	};
}
function selectMenuOption() {
	if (selectedMenuOption === 0) {
		// Game Play
		menuContainer.destroy();
		startGame();
	} else if (selectedMenuOption === 1) {
		// Options
		menuContainer.destroy();
		createOptionsMenu();
	} else if (selectedMenuOption === 2) {
		// Exit
		LK.showGameOver();
	}
}
function startGame() {
	gameState = 'playing';
	raceTime = 0;
	if (audioEnabled) {
		LK.playMusic('raceMusic');
	}
	// Create game container
	gameContainer = game.addChild(new Container());
	// Create track
	var track = gameContainer.attachAsset('track', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366
	});
	gameContainer.setChildIndex(track, 0); // Send track to bottom layer
	// Create player
	player = gameContainer.addChild(new PlayerCar());
	player.x = 600 + player.lane * 400;
	player.y = 1700;
	// Create UI
	createUI();
	// Start spawning game objects
	spawnTrackLines();
	spawnAICars();
	spawnNitroPowerups();
	spawnBulletPowerups();
}
function createUI() {
	uiContainer = game.addChild(new Container());
	uiContainer.interactive = true;
	// Timer
	timerText = new Text2('TIME: 0:00', {
		size: 60,
		fill: 0x000000
	});
	timerText.anchor.set(1, 0);
	timerText.x = 1948;
	timerText.y = 150;
	uiContainer.addChild(timerText);
	// Nitro counter
	nitroCounterText = new Text2('NITRO: 0', {
		size: 50,
		fill: 0x000000
	});
	nitroCounterText.anchor.set(1, 0);
	nitroCounterText.x = 1948;
	nitroCounterText.y = 220;
	uiContainer.addChild(nitroCounterText);
	// Bullet counter
	bulletCounterText = new Text2('BULLETS: 0', {
		size: 50,
		fill: 0x000000
	});
	bulletCounterText.anchor.set(1, 0);
	bulletCounterText.x = 1948;
	bulletCounterText.y = 290;
	uiContainer.addChild(bulletCounterText);
	// Minimap
	minimap = uiContainer.attachAsset('minimap', {
		anchorX: 0,
		anchorY: 0,
		x: 150,
		y: 150
	});
	var playerDot = uiContainer.attachAsset('minimapDot', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 300,
		y: 500
	});
	// D-pad buttons only (no base) - further increased spacing for larger D-pad area
	dpadLeft = uiContainer.attachAsset('leftButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 180,
		y: 2300,
		alpha: 0.5
	});
	dpadLeft.interactive = true;
	dpadLeft.buttonDown = true;
	dpadRight = uiContainer.attachAsset('rightButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 620,
		y: 2300,
		alpha: 0.5
	});
	dpadRight.interactive = true;
	dpadRight.buttonDown = true;
	var dpadUp = uiContainer.attachAsset('upButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 400,
		y: 2080,
		alpha: 0.5
	});
	dpadUp.interactive = true;
	dpadUp.buttonDown = true;
	var dpadDown = uiContainer.attachAsset('downButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 400,
		y: 2520,
		alpha: 0.5
	});
	dpadDown.interactive = true;
	dpadDown.buttonDown = true;
	// A/B buttons
	buttonA = uiContainer.attachAsset('aButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1850,
		y: 2350,
		alpha: 0.5
	});
	buttonA.interactive = true;
	buttonA.buttonDown = true;
	var aText = new Text2('A', {
		size: 40,
		fill: 0xFFFFFF
	});
	aText.anchor.set(0.5, 0.5);
	aText.x = 1850;
	aText.y = 2350;
	uiContainer.addChild(aText);
	buttonB = uiContainer.attachAsset('bButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1450,
		y: 2480,
		alpha: 0.5
	});
	buttonB.interactive = true;
	buttonB.buttonDown = true;
	var bText = new Text2('B', {
		size: 40,
		fill: 0xFFFFFF
	});
	bText.anchor.set(0.5, 0.5);
	bText.x = 1450;
	bText.y = 2480;
	uiContainer.addChild(bText);
	// Add event handlers to UI buttons
	dpadLeft.down = function (x, y, obj) {
		player.changeLane('left');
		dpadLeft.alpha = 0.8;
	};
	dpadLeft.up = function (x, y, obj) {
		dpadLeft.alpha = 0.5;
	};
	dpadRight.down = function (x, y, obj) {
		player.changeLane('right');
		dpadRight.alpha = 0.8;
	};
	dpadRight.up = function (x, y, obj) {
		dpadRight.alpha = 0.5;
	};
	buttonA.down = function (x, y, obj) {
		if (player.nitroCount > 0) {
			player.activateNitro();
			player.nitroCount--;
			nitroCounterText.setText('NITRO: ' + player.nitroCount);
		}
		buttonA.alpha = 0.8;
	};
	buttonA.up = function (x, y, obj) {
		buttonA.alpha = 0.5;
	};
	buttonB.down = function (x, y, obj) {
		fireBullet();
		buttonB.alpha = 0.8;
	};
	buttonB.up = function (x, y, obj) {
		buttonB.alpha = 0.5;
	};
	dpadUp.down = function (x, y, obj) {
		player.accelerate();
		dpadUp.alpha = 0.8;
	};
	dpadUp.up = function (x, y, obj) {
		dpadUp.alpha = 0.5;
	};
	dpadDown.down = function (x, y, obj) {
		player.brake();
		dpadDown.alpha = 0.8;
	};
	dpadDown.up = function (x, y, obj) {
		dpadDown.alpha = 0.5;
	};
}
function fireBullet() {
	if (gameState === 'playing' && player.bulletCount > 0) {
		var bullet = gameContainer.addChild(new Bullet());
		bullet.x = player.x;
		bullet.y = player.y - 100;
		bullets.push(bullet);
		player.bulletCount--;
		bulletCounterText.setText('BULLETS: ' + player.bulletCount);
	}
}
function toggleRearView() {
	if (gameState === 'playing') {
		gameState = 'rearview';
		// Flip view
		gameContainer.scale.y = -1;
		gameContainer.y = 2732;
	} else if (gameState === 'rearview') {
		gameState = 'playing';
		// Restore view
		gameContainer.scale.y = 1;
		gameContainer.y = 0;
	}
}
function spawnTrackLines() {
	var lineTimer = LK.setInterval(function () {
		if (gameState !== 'menu') {
			// Calculate spawn interval based on player speed to maintain consistent spacing
			var shouldSpawn = trackLines.length === 0 || trackLines[trackLines.length - 1] && trackLines[trackLines.length - 1].y > 200;
			if (shouldSpawn) {
				for (var i = 0; i < 3; i++) {
					var line = gameContainer.addChild(new TrackLine());
					line.x = 600 + i * 400;
					line.y = -100;
					line.speed = player.speed;
					gameContainer.setChildIndex(line, 1); // Send tracklines above track but below other elements
					trackLines.push(line);
				}
			}
		}
	}, 100); // Check more frequently for spawning
}
function spawnAICars() {
	var carTimer = LK.setInterval(function () {
		if (gameState !== 'menu' && aiCars.length < 5) {
			var aiCar = gameContainer.addChild(new AICar());
			aiCar.x = 600 + aiCar.lane * 400;
			aiCar.y = -200;
			aiCars.push(aiCar);
		}
	}, 2000);
}
function spawnNitroPowerups() {
	var nitroTimer = LK.setInterval(function () {
		if (gameState !== 'menu') {
			var nitro = gameContainer.addChild(new NitroPowerup());
			nitro.x = 600 + nitro.lane * 400;
			nitro.y = -100;
			nitro.speed = player.speed;
			nitroPowerups.push(nitro);
		}
	}, 5000);
}
function spawnBulletPowerups() {
	var bulletTimer = LK.setInterval(function () {
		if (gameState !== 'menu') {
			var bulletPowerup = gameContainer.addChild(new BulletPowerup());
			bulletPowerup.x = 600 + bulletPowerup.lane * 400;
			bulletPowerup.y = -100;
			bulletPowerup.speed = player.speed;
			bulletPowerups.push(bulletPowerup);
		}
	}, 3000);
}
function completeRace() {
	trackType = (trackType + 1) % 3;
	// Change track color based on type
	var trackColors = [0x4a4a4a, 0x8b4513, 0x2f4f4f];
	game.setBackgroundColor(trackColors[trackType]);
	// Reset race
	raceTime = 0;
	// Clear existing objects
	for (var i = aiCars.length - 1; i >= 0; i--) {
		aiCars[i].destroy();
	}
	aiCars = [];
	for (var j = nitroPowerups.length - 1; j >= 0; j--) {
		nitroPowerups[j].destroy();
	}
	nitroPowerups = [];
	for (var k = bulletPowerups.length - 1; k >= 0; k--) {
		bulletPowerups[k].destroy();
	}
	bulletPowerups = [];
}
// Main game update
game.update = function () {
	if (gameState === 'menu') return;
	// Update timer
	raceTime++;
	var minutes = Math.floor(raceTime / 3600);
	var seconds = Math.floor(raceTime % 3600 / 60);
	timerText.setText('TIME: ' + minutes + ':' + (seconds < 10 ? '0' : '') + seconds);
	// Update track lines
	for (var i = trackLines.length - 1; i >= 0; i--) {
		var line = trackLines[i];
		line.speed = player.speed;
		if (line.y > 2832) {
			line.destroy();
			trackLines.splice(i, 1);
		}
	}
	// Update bullets
	for (var b = bullets.length - 1; b >= 0; b--) {
		var bullet = bullets[b];
		if (bullet.y < -100) {
			bullet.destroy();
			bullets.splice(b, 1);
			continue;
		}
		// Check bullet collision with AI cars
		for (var c = aiCars.length - 1; c >= 0; c--) {
			var aiCar = aiCars[c];
			if (bullet.intersects(aiCar)) {
				if (audioEnabled) {
					LK.getSound('explosion').play();
				}
				// Explosion effect
				LK.effects.flashObject(aiCar, 0xff4500, 300);
				tween(aiCar, {
					scaleX: 2,
					scaleY: 2,
					alpha: 0
				}, {
					duration: 300,
					onFinish: function onFinish() {
						aiCar.destroy();
					}
				});
				aiCars.splice(c, 1);
				bullet.destroy();
				bullets.splice(b, 1);
				break;
			}
		}
	}
	// Update AI cars
	for (var j = aiCars.length - 1; j >= 0; j--) {
		var aiCar = aiCars[j];
		if (aiCar.y > 2832) {
			aiCar.destroy();
			aiCars.splice(j, 1);
			continue;
		}
		// Check collision with player
		if (player.intersects(aiCar)) {
			if (audioEnabled) {
				LK.getSound('crash').play();
			}
			LK.effects.flashScreen(0xff0000, 500);
			LK.showGameOver();
		}
	}
	// Update nitro powerups
	for (var k = nitroPowerups.length - 1; k >= 0; k--) {
		var nitro = nitroPowerups[k];
		nitro.speed = player.speed;
		if (nitro.y > 2832) {
			nitro.destroy();
			nitroPowerups.splice(k, 1);
			continue;
		}
		// Check collection
		if (player.intersects(nitro)) {
			if (audioEnabled) {
				LK.getSound('coinPickup').play();
			}
			// Increase nitro and bullet counts
			player.nitroCount++;
			player.bulletCount += 3;
			nitroCounterText.setText('NITRO: ' + player.nitroCount);
			bulletCounterText.setText('BULLETS: ' + player.bulletCount);
			nitro.destroy();
			nitroPowerups.splice(k, 1);
		}
	}
	// Update bullet powerups
	for (var l = bulletPowerups.length - 1; l >= 0; l--) {
		var bulletPowerup = bulletPowerups[l];
		bulletPowerup.speed = player.speed;
		if (bulletPowerup.y > 2832) {
			bulletPowerup.destroy();
			bulletPowerups.splice(l, 1);
			continue;
		}
		// Check collection
		if (player.intersects(bulletPowerup)) {
			if (audioEnabled) {
				LK.getSound('coinPickup').play();
			}
			// Increase bullet count only
			player.bulletCount += 5;
			bulletCounterText.setText('BULLETS: ' + player.bulletCount);
			bulletPowerup.destroy();
			bulletPowerups.splice(l, 1);
		}
	}
	// Complete race after 2 minutes
	if (raceTime >= 7200) {
		completeRace();
	}
};
// Start with main menu
createMainMenu();

===================================================================
--- original.js
+++ change.js
@@ -699,8 +699,11 @@
 		// Check bullet collision with AI cars
 		for (var c = aiCars.length - 1; c >= 0; c--) {
 			var aiCar = aiCars[c];
 			if (bullet.intersects(aiCar)) {
+				if (audioEnabled) {
+					LK.getSound('explosion').play();
+				}
 				// Explosion effect
 				LK.effects.flashObject(aiCar, 0xff4500, 300);
 				tween(aiCar, {
 					scaleX: 2,
@@ -728,8 +731,11 @@
 			continue;
 		}
 		// Check collision with player
 		if (player.intersects(aiCar)) {
+			if (audioEnabled) {
+				LK.getSound('crash').play();
+			}
 			LK.effects.flashScreen(0xff0000, 500);
 			LK.showGameOver();
 		}
 	}