/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	coins: 0,
	upgrades: {
		speed: 0,
		shield: 0,
		magnet: 0
	}
});

/**** 
* Classes
****/ 
var Car = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hasShield = false;
	self.shieldGraphics = null;
	self.activateShield = function () {
		self.hasShield = true;
		if (!self.shieldGraphics) {
			self.shieldGraphics = self.attachAsset('shield', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 3,
				scaleY: 3,
				alpha: 0.5
			});
		}
		self.shieldGraphics.visible = true;
	};
	self.removeShield = function () {
		self.hasShield = false;
		if (self.shieldGraphics) {
			self.shieldGraphics.visible = false;
		}
	};
	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);
	self.type = type || 'speed';
	var assetId = 'speedBoost';
	if (self.type === 'shield') assetId = 'shield';
	if (self.type === 'magnet') assetId = 'magnet';
	var powerUpGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.collected = false;
	self.update = function () {
		self.y += self.speed;
		self.rotation += 0.1;
	};
	return self;
});
var RoadSegment = Container.expand(function () {
	var self = Container.call(this);
	var roadGraphics = self.attachAsset('road', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Shop = Container.expand(function () {
	var self = Container.call(this);
	self.visible = false;
	self.items = [{
		name: 'Speed Boost+',
		type: 'speed',
		cost: 100,
		description: 'Longer speed boost duration'
	}, {
		name: 'Shield+',
		type: 'shield',
		cost: 150,
		description: 'Shield lasts longer'
	}, {
		name: 'Magnet+',
		type: 'magnet',
		cost: 200,
		description: 'Stronger magnet attraction'
	}];
	// Shop background
	var background = self.attachAsset('road', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1,
		scaleY: 9,
		alpha: 0.9
	});
	background.x = 0;
	background.y = 0;
	// Title
	self.titleText = new Text2('SHOP', {
		size: 120,
		fill: 0xFFFFFF
	});
	self.titleText.anchor.set(0.5, 0.5);
	self.titleText.x = 0;
	self.titleText.y = -1000;
	self.addChild(self.titleText);
	// Coins display
	self.coinsText = new Text2('Coins: ' + storage.coins, {
		size: 80,
		fill: 0xf1c40f
	});
	self.coinsText.anchor.set(0.5, 0.5);
	self.coinsText.x = 0;
	self.coinsText.y = -800;
	self.addChild(self.coinsText);
	// Create shop items
	self.itemContainers = [];
	for (var i = 0; i < self.items.length; i++) {
		var item = self.items[i];
		var itemContainer = new Container();
		itemContainer.x = 0;
		itemContainer.y = -400 + i * 300;
		// Item background
		var itemBg = LK.getAsset('obstacle', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 8,
			scaleY: 2,
			color: storage.upgrades[item.type] > 0 ? 0x27ae60 : 0x34495e
		});
		itemContainer.addChild(itemBg);
		// Item name
		var nameText = new Text2(item.name, {
			size: 60,
			fill: 0xFFFFFF
		});
		nameText.anchor.set(0.5, 0.5);
		nameText.x = 0;
		nameText.y = -40;
		itemContainer.addChild(nameText);
		// Item cost
		var costText = new Text2('Cost: ' + item.cost + ' coins', {
			size: 40,
			fill: 0xf1c40f
		});
		costText.anchor.set(0.5, 0.5);
		costText.x = 0;
		costText.y = 10;
		itemContainer.addChild(costText);
		// Upgrade level
		var levelText = new Text2('Level: ' + storage.upgrades[item.type], {
			size: 35,
			fill: 0xecf0f1
		});
		levelText.anchor.set(0.5, 0.5);
		levelText.x = 0;
		levelText.y = 50;
		itemContainer.addChild(levelText);
		itemContainer.itemIndex = i;
		itemContainer.down = function (x, y, obj) {
			shopInstance.buyItem(this.itemIndex);
		};
		self.addChild(itemContainer);
		self.itemContainers.push(itemContainer);
	}
	// Close button
	self.closeButton = new Container();
	self.closeButton.x = 0;
	self.closeButton.y = 1000;
	var closeBg = LK.getAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 4,
		scaleY: 1.5,
		color: 0xe74c3c
	});
	self.closeButton.addChild(closeBg);
	var closeText = new Text2('CLOSE', {
		size: 60,
		fill: 0xFFFFFF
	});
	closeText.anchor.set(0.5, 0.5);
	closeText.x = 0;
	closeText.y = 0;
	self.closeButton.addChild(closeText);
	self.closeButton.down = function () {
		shopInstance.hide();
	};
	self.addChild(self.closeButton);
	self.show = function () {
		self.visible = true;
		self.updateDisplay();
	};
	self.hide = function () {
		self.visible = false;
	};
	self.updateDisplay = function () {
		self.coinsText.setText('Coins: ' + storage.coins);
		for (var i = 0; i < self.itemContainers.length; i++) {
			var container = self.itemContainers[i];
			var item = self.items[i];
			var levelText = container.children[3];
			levelText.setText('Level: ' + storage.upgrades[item.type]);
			// Update background color based on upgrade level
			var bg = container.children[0];
			bg.tint = storage.upgrades[item.type] > 0 ? 0x27ae60 : 0x34495e;
		}
	};
	self.buyItem = function (index) {
		var item = self.items[index];
		var currentLevel = storage.upgrades[item.type];
		var cost = item.cost + currentLevel * 50;
		if (storage.coins >= cost && currentLevel < 5) {
			storage.coins -= cost;
			storage.upgrades[item.type] += 1;
			self.updateDisplay();
			LK.getSound('powerup').play();
		}
	};
	return self;
});
var ShopButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonBg = self.attachAsset('speedBoost', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	var buttonText = new Text2('SHOP', {
		size: 30,
		fill: 0x2c3e50
	});
	buttonText.anchor.set(0.5, 0.5);
	buttonText.x = 0;
	buttonText.y = 0;
	self.addChild(buttonText);
	self.down = function () {
		shopInstance.show();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x27ae60
});

/**** 
* Game Code
****/ 
var player;
var obstacles = [];
var powerUps = [];
var roadSegments = [];
var gameSpeed = 8;
var baseSpeed = 8;
var speedBoostTimer = 0;
var magnetTimer = 0;
var distance = 0;
var isDragging = false;
var dragStartX = 0;
var shopInstance;
var shopButton;
var coins = storage.coins;
// Create player car
player = game.addChild(new Car());
player.x = 2048 / 2;
player.y = 2732 - 200;
// Create initial road segments
for (var i = 0; i < 12; i++) {
	var roadSegment = game.addChild(new RoadSegment());
	roadSegment.x = 2048 / 2;
	roadSegment.y = i * 300 - 600;
	roadSegments.push(roadSegment);
}
// Create shop
shopInstance = game.addChild(new Shop());
shopInstance.x = 2048 / 2;
shopInstance.y = 2732 / 2;
// Create shop button
shopButton = new ShopButton();
shopButton.x = -70;
shopButton.y = 120;
LK.gui.topRight.addChild(shopButton);
// UI Elements
var distanceText = new Text2('Distance: 0', {
	size: 60,
	fill: 0xFFFFFF
});
distanceText.anchor.set(0, 0);
distanceText.x = 150;
distanceText.y = 50;
LK.gui.topLeft.addChild(distanceText);
var speedText = new Text2('Speed: Normal', {
	size: 40,
	fill: 0xFFFFFF
});
speedText.anchor.set(1, 0);
speedText.x = -20;
speedText.y = 50;
LK.gui.topRight.addChild(speedText);
var coinsText = new Text2('Coins: ' + storage.coins, {
	size: 50,
	fill: 0xf1c40f
});
coinsText.anchor.set(1, 0);
coinsText.x = -20;
coinsText.y = 90;
LK.gui.topRight.addChild(coinsText);
function spawnObstacle() {
	var obstacle = new Obstacle();
	var lanes = [400, 700, 1000, 1300, 1648];
	obstacle.x = lanes[Math.floor(Math.random() * lanes.length)];
	obstacle.y = -100;
	obstacle.speed = gameSpeed;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
function spawnPowerUp() {
	var types = ['speed', 'shield', 'magnet'];
	var type = types[Math.floor(Math.random() * types.length)];
	var powerUp = new PowerUp(type);
	var lanes = [400, 700, 1000, 1300, 1648];
	powerUp.x = lanes[Math.floor(Math.random() * lanes.length)];
	powerUp.y = -100;
	powerUp.speed = gameSpeed;
	powerUps.push(powerUp);
	game.addChild(powerUp);
}
function handleMove(x, y, obj) {
	if (isDragging) {
		var deltaX = x - dragStartX;
		var newX = player.x + deltaX * 3;
		// Keep player within screen bounds
		if (newX >= 300 && newX <= 1748) {
			player.x = newX;
		}
		dragStartX = x;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	isDragging = true;
	dragStartX = x;
};
game.up = function (x, y, obj) {
	isDragging = false;
};
function activatePowerUp(type) {
	LK.getSound('powerup').play();
	if (type === 'speed') {
		var speedLevel = storage.upgrades.speed;
		speedBoostTimer = 180 + speedLevel * 60; // Base 3 seconds + upgrade bonus
		gameSpeed = baseSpeed * (1.8 + speedLevel * 0.2);
	} else if (type === 'shield') {
		player.activateShield();
	} else if (type === 'magnet') {
		var magnetLevel = storage.upgrades.magnet;
		magnetTimer = 300 + magnetLevel * 120; // Base 5 seconds + upgrade bonus
	}
}
function checkCollisions() {
	// Check obstacle collisions
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		if (player.intersects(obstacle)) {
			if (player.hasShield) {
				player.removeShield();
				obstacle.destroy();
				obstacles.splice(i, 1);
				LK.effects.flashObject(player, 0xffffff, 500);
			} else {
				LK.getSound('crash').play();
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
		}
	}
	// Check power-up collisions
	for (var j = powerUps.length - 1; j >= 0; j--) {
		var powerUp = powerUps[j];
		if (!powerUp.collected && player.intersects(powerUp)) {
			powerUp.collected = true;
			activatePowerUp(powerUp.type);
			powerUp.destroy();
			powerUps.splice(j, 1);
			LK.setScore(LK.getScore() + 10);
		}
	}
	// Magnet effect
	if (magnetTimer > 0) {
		for (var k = 0; k < powerUps.length; k++) {
			var magnetPowerUp = powerUps[k];
			var dx = player.x - magnetPowerUp.x;
			var dy = player.y - magnetPowerUp.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 200 && !magnetPowerUp.collected) {
				magnetPowerUp.x += dx * 0.1;
				magnetPowerUp.y += dy * 0.1;
			}
		}
	}
}
game.update = function () {
	// Update timers
	if (speedBoostTimer > 0) {
		speedBoostTimer--;
		if (speedBoostTimer === 0) {
			gameSpeed = baseSpeed;
		}
	}
	if (magnetTimer > 0) {
		magnetTimer--;
	}
	// Update speed based on distance
	distance += gameSpeed * 0.1;
	baseSpeed = Math.min(12, 8 + distance * 0.001);
	if (speedBoostTimer === 0) {
		gameSpeed = baseSpeed;
	}
	// Update all game objects speeds
	for (var i = 0; i < obstacles.length; i++) {
		obstacles[i].speed = gameSpeed;
	}
	for (var j = 0; j < powerUps.length; j++) {
		powerUps[j].speed = gameSpeed;
	}
	for (var k = 0; k < roadSegments.length; k++) {
		roadSegments[k].speed = gameSpeed;
	}
	// Remove off-screen obstacles
	for (var a = obstacles.length - 1; a >= 0; a--) {
		var obstacle = obstacles[a];
		if (obstacle.y > 2732 + 100) {
			obstacle.destroy();
			obstacles.splice(a, 1);
		}
	}
	// Remove off-screen power-ups
	for (var b = powerUps.length - 1; b >= 0; b--) {
		var powerUp = powerUps[b];
		if (powerUp.y > 2732 + 100) {
			powerUp.destroy();
			powerUps.splice(b, 1);
		}
	}
	// Cycle road segments
	for (var c = roadSegments.length - 1; c >= 0; c--) {
		var road = roadSegments[c];
		if (road.y > 2732 + 150) {
			road.y = roadSegments[0].y - 300;
			roadSegments.push(roadSegments.splice(c, 1)[0]);
		}
	}
	// Spawn obstacles
	if (LK.ticks % Math.max(30, 90 - Math.floor(distance * 0.01)) === 0) {
		spawnObstacle();
	}
	// Spawn power-ups
	if (LK.ticks % 240 === 0) {
		spawnPowerUp();
	}
	// Check collisions
	checkCollisions();
	// Update UI
	distanceText.setText('Distance: ' + Math.floor(distance));
	var speedStatus = 'Normal';
	if (speedBoostTimer > 0) speedStatus = 'BOOST!';
	if (magnetTimer > 0) speedStatus += ' +MAGNET';
	speedText.setText('Speed: ' + speedStatus);
	LK.setScore(Math.floor(distance));
	// Earn coins based on distance
	if (LK.ticks % 60 === 0) {
		// Every second
		storage.coins += Math.floor(distance * 0.01) + 1;
		coinsText.setText('Coins: ' + storage.coins);
	}
};

===================================================================
--- original.js
+++ change.js
@@ -1,8 +1,16 @@
 /**** 
 * Plugins
 ****/ 
 var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1", {
+	coins: 0,
+	upgrades: {
+		speed: 0,
+		shield: 0,
+		magnet: 0
+	}
+});
 
 /**** 
 * Classes
 ****/ 
@@ -76,8 +84,182 @@
 		self.y += self.speed;
 	};
 	return self;
 });
+var Shop = Container.expand(function () {
+	var self = Container.call(this);
+	self.visible = false;
+	self.items = [{
+		name: 'Speed Boost+',
+		type: 'speed',
+		cost: 100,
+		description: 'Longer speed boost duration'
+	}, {
+		name: 'Shield+',
+		type: 'shield',
+		cost: 150,
+		description: 'Shield lasts longer'
+	}, {
+		name: 'Magnet+',
+		type: 'magnet',
+		cost: 200,
+		description: 'Stronger magnet attraction'
+	}];
+	// Shop background
+	var background = self.attachAsset('road', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		scaleX: 1,
+		scaleY: 9,
+		alpha: 0.9
+	});
+	background.x = 0;
+	background.y = 0;
+	// Title
+	self.titleText = new Text2('SHOP', {
+		size: 120,
+		fill: 0xFFFFFF
+	});
+	self.titleText.anchor.set(0.5, 0.5);
+	self.titleText.x = 0;
+	self.titleText.y = -1000;
+	self.addChild(self.titleText);
+	// Coins display
+	self.coinsText = new Text2('Coins: ' + storage.coins, {
+		size: 80,
+		fill: 0xf1c40f
+	});
+	self.coinsText.anchor.set(0.5, 0.5);
+	self.coinsText.x = 0;
+	self.coinsText.y = -800;
+	self.addChild(self.coinsText);
+	// Create shop items
+	self.itemContainers = [];
+	for (var i = 0; i < self.items.length; i++) {
+		var item = self.items[i];
+		var itemContainer = new Container();
+		itemContainer.x = 0;
+		itemContainer.y = -400 + i * 300;
+		// Item background
+		var itemBg = LK.getAsset('obstacle', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			scaleX: 8,
+			scaleY: 2,
+			color: storage.upgrades[item.type] > 0 ? 0x27ae60 : 0x34495e
+		});
+		itemContainer.addChild(itemBg);
+		// Item name
+		var nameText = new Text2(item.name, {
+			size: 60,
+			fill: 0xFFFFFF
+		});
+		nameText.anchor.set(0.5, 0.5);
+		nameText.x = 0;
+		nameText.y = -40;
+		itemContainer.addChild(nameText);
+		// Item cost
+		var costText = new Text2('Cost: ' + item.cost + ' coins', {
+			size: 40,
+			fill: 0xf1c40f
+		});
+		costText.anchor.set(0.5, 0.5);
+		costText.x = 0;
+		costText.y = 10;
+		itemContainer.addChild(costText);
+		// Upgrade level
+		var levelText = new Text2('Level: ' + storage.upgrades[item.type], {
+			size: 35,
+			fill: 0xecf0f1
+		});
+		levelText.anchor.set(0.5, 0.5);
+		levelText.x = 0;
+		levelText.y = 50;
+		itemContainer.addChild(levelText);
+		itemContainer.itemIndex = i;
+		itemContainer.down = function (x, y, obj) {
+			shopInstance.buyItem(this.itemIndex);
+		};
+		self.addChild(itemContainer);
+		self.itemContainers.push(itemContainer);
+	}
+	// Close button
+	self.closeButton = new Container();
+	self.closeButton.x = 0;
+	self.closeButton.y = 1000;
+	var closeBg = LK.getAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		scaleX: 4,
+		scaleY: 1.5,
+		color: 0xe74c3c
+	});
+	self.closeButton.addChild(closeBg);
+	var closeText = new Text2('CLOSE', {
+		size: 60,
+		fill: 0xFFFFFF
+	});
+	closeText.anchor.set(0.5, 0.5);
+	closeText.x = 0;
+	closeText.y = 0;
+	self.closeButton.addChild(closeText);
+	self.closeButton.down = function () {
+		shopInstance.hide();
+	};
+	self.addChild(self.closeButton);
+	self.show = function () {
+		self.visible = true;
+		self.updateDisplay();
+	};
+	self.hide = function () {
+		self.visible = false;
+	};
+	self.updateDisplay = function () {
+		self.coinsText.setText('Coins: ' + storage.coins);
+		for (var i = 0; i < self.itemContainers.length; i++) {
+			var container = self.itemContainers[i];
+			var item = self.items[i];
+			var levelText = container.children[3];
+			levelText.setText('Level: ' + storage.upgrades[item.type]);
+			// Update background color based on upgrade level
+			var bg = container.children[0];
+			bg.tint = storage.upgrades[item.type] > 0 ? 0x27ae60 : 0x34495e;
+		}
+	};
+	self.buyItem = function (index) {
+		var item = self.items[index];
+		var currentLevel = storage.upgrades[item.type];
+		var cost = item.cost + currentLevel * 50;
+		if (storage.coins >= cost && currentLevel < 5) {
+			storage.coins -= cost;
+			storage.upgrades[item.type] += 1;
+			self.updateDisplay();
+			LK.getSound('powerup').play();
+		}
+	};
+	return self;
+});
+var ShopButton = Container.expand(function () {
+	var self = Container.call(this);
+	var buttonBg = self.attachAsset('speedBoost', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		scaleX: 2,
+		scaleY: 2
+	});
+	var buttonText = new Text2('SHOP', {
+		size: 30,
+		fill: 0x2c3e50
+	});
+	buttonText.anchor.set(0.5, 0.5);
+	buttonText.x = 0;
+	buttonText.y = 0;
+	self.addChild(buttonText);
+	self.down = function () {
+		shopInstance.show();
+	};
+	return self;
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -98,8 +280,11 @@
 var magnetTimer = 0;
 var distance = 0;
 var isDragging = false;
 var dragStartX = 0;
+var shopInstance;
+var shopButton;
+var coins = storage.coins;
 // Create player car
 player = game.addChild(new Car());
 player.x = 2048 / 2;
 player.y = 2732 - 200;
@@ -109,8 +294,17 @@
 	roadSegment.x = 2048 / 2;
 	roadSegment.y = i * 300 - 600;
 	roadSegments.push(roadSegment);
 }
+// Create shop
+shopInstance = game.addChild(new Shop());
+shopInstance.x = 2048 / 2;
+shopInstance.y = 2732 / 2;
+// Create shop button
+shopButton = new ShopButton();
+shopButton.x = -70;
+shopButton.y = 120;
+LK.gui.topRight.addChild(shopButton);
 // UI Elements
 var distanceText = new Text2('Distance: 0', {
 	size: 60,
 	fill: 0xFFFFFF
@@ -126,8 +320,16 @@
 speedText.anchor.set(1, 0);
 speedText.x = -20;
 speedText.y = 50;
 LK.gui.topRight.addChild(speedText);
+var coinsText = new Text2('Coins: ' + storage.coins, {
+	size: 50,
+	fill: 0xf1c40f
+});
+coinsText.anchor.set(1, 0);
+coinsText.x = -20;
+coinsText.y = 90;
+LK.gui.topRight.addChild(coinsText);
 function spawnObstacle() {
 	var obstacle = new Obstacle();
 	var lanes = [400, 700, 1000, 1300, 1648];
 	obstacle.x = lanes[Math.floor(Math.random() * lanes.length)];
@@ -168,14 +370,16 @@
 };
 function activatePowerUp(type) {
 	LK.getSound('powerup').play();
 	if (type === 'speed') {
-		speedBoostTimer = 180; // 3 seconds at 60fps
-		gameSpeed = baseSpeed * 1.8;
+		var speedLevel = storage.upgrades.speed;
+		speedBoostTimer = 180 + speedLevel * 60; // Base 3 seconds + upgrade bonus
+		gameSpeed = baseSpeed * (1.8 + speedLevel * 0.2);
 	} else if (type === 'shield') {
 		player.activateShield();
 	} else if (type === 'magnet') {
-		magnetTimer = 300; // 5 seconds at 60fps
+		var magnetLevel = storage.upgrades.magnet;
+		magnetTimer = 300 + magnetLevel * 120; // Base 5 seconds + upgrade bonus
 	}
 }
 function checkCollisions() {
 	// Check obstacle collisions
@@ -287,5 +491,11 @@
 	if (speedBoostTimer > 0) speedStatus = 'BOOST!';
 	if (magnetTimer > 0) speedStatus += ' +MAGNET';
 	speedText.setText('Speed: ' + speedStatus);
 	LK.setScore(Math.floor(distance));
+	// Earn coins based on distance
+	if (LK.ticks % 60 === 0) {
+		// Every second
+		storage.coins += Math.floor(distance * 0.01) + 1;
+		coinsText.setText('Coins: ' + storage.coins);
+	}
 };
\ No newline at end of file