===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,191 @@
-/****
+/**** 
+* Classes
+****/ 
+// Motorcycle class: player-controlled bike
+var Motorcycle = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach motorcycle asset (box, blue)
+	var bike = self.attachAsset('motorcycle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set initial speed and direction
+	self.speedY = 18; // vertical speed (track scrolls down)
+	self.laneSpeed = 0; // horizontal speed (player control)
+	self.maxX = 2048 - bike.width / 2;
+	self.minX = bike.width / 2;
+	// Track lastX for event triggers
+	self.lastX = self.x;
+	// Update method: move forward, apply lane movement
+	self.update = function () {
+		self.lastX = self.x;
+		self.x += self.laneSpeed;
+		// Clamp to track bounds
+		if (self.x < self.minX) self.x = self.minX;
+		if (self.x > self.maxX) self.x = self.maxX;
+	};
+	return self;
+});
+// Obstacle class: static/dynamic hazards
+var Obstacle = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach obstacle asset (box, red)
+	var obs = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set vertical speed (scrolls with track)
+	self.speedY = 18;
+	// Track lastY for event triggers
+	self.lastY = self.y;
+	self.update = function () {
+		self.lastY = self.y;
+		self.y += self.speedY;
+	};
+	return self;
+});
+// PowerUp class: collectible items
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach powerup asset (ellipse, yellow)
+	var pu = self.attachAsset('powerup', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedY = 18;
+	self.lastY = self.y;
+	self.update = function () {
+		self.lastY = self.y;
+		self.y += self.speedY;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
+// Motorcycle asset (blue box)
+// Obstacle asset (red box)
+// PowerUp asset (yellow ellipse)
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
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+});
+
+/**** 
+* Game Code
+****/ 
+// --- Game State ---
+// PowerUp asset (yellow ellipse)
+// Obstacle asset (red box)
+// Motorcycle asset (blue box)
+var player = new Motorcycle();
+player.x = 2048 / 2;
+player.y = 2200;
+game.addChild(player);
+var obstacles = [];
+var powerups = [];
+var distance = 0;
+var score = 0;
+// Score display
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: "#fff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Touch drag to steer
+var dragActive = false;
+var dragOffsetX = 0;
+game.down = function (x, y, obj) {
+	// Only start drag if touch is near the player
+	var dx = x - player.x;
+	var dy = y - player.y;
+	if (dx * dx + dy * dy < 300 * 300) {
+		dragActive = true;
+		dragOffsetX = player.x - x;
+	}
+};
+game.move = function (x, y, obj) {
+	if (dragActive) {
+		player.x = x + dragOffsetX;
+	}
+};
+game.up = function (x, y, obj) {
+	dragActive = false;
+};
+// --- Spawning logic ---
+var obstacleTimer = 0;
+var powerupTimer = 0;
+// --- Main update loop ---
+game.update = function () {
+	// Move player (handled in class)
+	player.update();
+	// Scroll obstacles and powerups
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obs = obstacles[i];
+		obs.update();
+		// Remove if off screen
+		if (obs.lastY < 2732 && obs.y >= 2732 + 100) {
+			obs.destroy();
+			obstacles.splice(i, 1);
+			continue;
+		}
+		// Collision detection (trigger on first intersect)
+		if (!obs.lastWasIntersecting && obs.intersects(player)) {
+			LK.effects.flashScreen(0xff0000, 800);
+			LK.showGameOver();
+			return;
+		}
+		obs.lastWasIntersecting = obs.intersects(player);
+	}
+	for (var i = powerups.length - 1; i >= 0; i--) {
+		var pu = powerups[i];
+		pu.update();
+		// Remove if off screen
+		if (pu.lastY < 2732 && pu.y >= 2732 + 100) {
+			pu.destroy();
+			powerups.splice(i, 1);
+			continue;
+		}
+		// Collect powerup
+		if (!pu.lastWasIntersecting && pu.intersects(player)) {
+			score += 10;
+			scoreTxt.setText(score);
+			pu.destroy();
+			powerups.splice(i, 1);
+			continue;
+		}
+		pu.lastWasIntersecting = pu.intersects(player);
+	}
+	// --- Spawning ---
+	obstacleTimer++;
+	if (obstacleTimer > 40) {
+		obstacleTimer = 0;
+		var obs = new Obstacle();
+		obs.x = 200 + Math.random() * (2048 - 400);
+		obs.y = -100;
+		obs.lastWasIntersecting = false;
+		game.addChild(obs);
+		obstacles.push(obs);
+	}
+	powerupTimer++;
+	if (powerupTimer > 120) {
+		powerupTimer = 0;
+		var pu = new PowerUp();
+		pu.x = 200 + Math.random() * (2048 - 400);
+		pu.y = -100;
+		pu.lastWasIntersecting = false;
+		game.addChild(pu);
+		powerups.push(pu);
+	}
+	// --- Distance/score ---
+	distance += player.speedY;
+	if (distance % 1000 < player.speedY) {
+		score += 1;
+		scoreTxt.setText(score);
+	}
+	// Win condition: reach distance
+	if (distance > 20000) {
+		LK.showYouWin();
+	}
+};
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