===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,413 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Animal class (player)
+var Animal = Container.expand(function () {
+	var self = Container.call(this);
+	// Default to chicken
+	self.type = 'chicken';
+	self.sprite = self.attachAsset(self.type, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.setType = function (type) {
+		if (self.sprite) self.sprite.destroy();
+		self.type = type;
+		self.sprite = self.attachAsset(type, {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+	};
+	// Animate hop
+	self.hop = function (targetX, targetY, _onFinish) {
+		tween(self, {
+			x: targetX,
+			y: targetY,
+			scaleY: 1.2
+		}, {
+			duration: 80,
+			easing: tween.cubicOut,
+			onFinish: function onFinish() {
+				tween(self, {
+					scaleY: 1
+				}, {
+					duration: 60,
+					easing: tween.cubicIn,
+					onFinish: _onFinish
+				});
+			}
+		});
+	};
+	return self;
+});
+// Coin class
+var Coin = Container.expand(function () {
+	var self = Container.call(this);
+	self.sprite = self.attachAsset('coin', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Animate spin
+	self.update = function () {
+		self.sprite.rotation += 0.15;
+	};
+	return self;
+});
+// Vehicle class
+var Vehicle = Container.expand(function () {
+	var self = Container.call(this);
+	// type: 'car1', 'car2', 'truck'
+	self.type = 'car1';
+	self.sprite = self.attachAsset(self.type, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.setType = function (type) {
+		if (self.sprite) self.sprite.destroy();
+		self.type = type;
+		self.sprite = self.attachAsset(type, {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+	};
+	// Lane index (0-19)
+	self.lane = 0;
+	// Direction: 1 = left to right, -1 = right to left
+	self.dir = 1;
+	// Speed in px per frame
+	self.speed = 6;
+	self.update = function () {
+		self.x += self.speed * self.dir;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
+	backgroundColor: 0x87ceeb // Day sky blue
+});
+
+/**** 
+* Game Code
+****/ 
+// Music
+// Sounds
+// Coin
+// Vehicles
+// Lane types
+// Animal characters
+// --- Game constants ---
+var NUM_LANES = 20;
+var LANE_HEIGHT = 120;
+var LANE_TYPES = []; // 'grass' or 'road'
+var LANE_Y = []; // y positions of each lane (0 = bottom)
+var LANE_CONFIG = []; // {type, y, speed, dir, spacing, vehicleTypes}
+var LANE_TOP = 2732 - NUM_LANES * LANE_HEIGHT; // Top y of first lane
+// --- Day/Night cycle ---
+var dayNight = {
+	t: 0,
+	// 0 = day, 1 = night
+	speed: 0.00025,
+	// How fast day/night cycles (per tick)
+	colorDay: 0x87ceeb,
+	colorNight: 0x23234a
+};
+// --- Game state ---
+var player = null;
+var vehicles = [];
+var coins = [];
+var score = 0;
+var coinsCollected = 0;
+var isMoving = false;
+var dragStart = null;
+var dragTarget = null;
+var lastLane = 0;
+var gameOver = false;
+// --- UI ---
+var scoreTxt = new Text2('0', {
+	size: 100,
+	fill: "#fff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var coinTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFD700
+});
+coinTxt.anchor.set(0.5, 0);
+LK.gui.topRight.addChild(coinTxt);
+// --- Lane setup ---
+function setupLanes() {
+	LANE_TYPES.length = 0;
+	LANE_Y.length = 0;
+	LANE_CONFIG.length = 0;
+	for (var i = 0; i < NUM_LANES; i++) {
+		// Alternate: grass every 3rd lane, rest are road
+		var type = i % 3 === 0 ? 'grass' : 'road';
+		LANE_TYPES.push(type);
+		var y = 2732 - (i + 0.5) * LANE_HEIGHT;
+		LANE_Y.push(y);
+		// Lane config
+		if (type === 'road') {
+			// Vary speed and direction
+			var dir = i % 2 === 0 ? 1 : -1;
+			var speed = 4 + i % 4 * 1.5; // 4, 5.5, 7, 8.5
+			var spacing = 350 + i % 3 * 80; // 350, 430, 510
+			var vehicleTypes = i % 4 === 0 ? ['truck'] : ['car1', 'car2'];
+			LANE_CONFIG.push({
+				type: type,
+				y: y,
+				speed: speed,
+				dir: dir,
+				spacing: spacing,
+				vehicleTypes: vehicleTypes
+			});
+		} else {
+			LANE_CONFIG.push({
+				type: type,
+				y: y
+			});
+		}
+	}
+}
+// --- Draw lanes ---
+function drawLanes() {
+	for (var i = 0; i < NUM_LANES; i++) {
+		var laneType = LANE_TYPES[i];
+		var y = LANE_Y[i];
+		var lane = LK.getAsset(laneType, {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: 2048 / 2,
+			y: y
+		});
+		game.addChild(lane);
+	}
+}
+// --- Spawn player ---
+function spawnPlayer() {
+	player = new Animal();
+	player.setType('chicken');
+	// Start at bottom grass lane, center
+	player.x = 2048 / 2;
+	player.y = LANE_Y[0];
+	lastLane = 0;
+	game.addChild(player);
+}
+// --- Spawn vehicles ---
+function spawnVehicle(laneIdx) {
+	var config = LANE_CONFIG[laneIdx];
+	if (!config || config.type !== 'road') return;
+	var v = new Vehicle();
+	// Random vehicle type
+	var vtype = config.vehicleTypes[Math.floor(Math.random() * config.vehicleTypes.length)];
+	v.setType(vtype);
+	v.lane = laneIdx;
+	v.dir = config.dir;
+	v.speed = config.speed + Math.random() * 1.5;
+	// Y position
+	v.y = config.y;
+	// X position: offscreen left or right
+	if (v.dir === 1) {
+		v.x = -v.sprite.width / 2 - 20;
+	} else {
+		v.x = 2048 + v.sprite.width / 2 + 20;
+	}
+	vehicles.push(v);
+	game.addChild(v);
+}
+// --- Spawn coin ---
+function spawnCoin(laneIdx) {
+	var config = LANE_CONFIG[laneIdx];
+	if (!config || config.type !== 'grass') return;
+	// Only one coin per grass lane at a time
+	for (var i = 0; i < coins.length; i++) {
+		if (Math.abs(coins[i].y - config.y) < 10) return;
+	}
+	var c = new Coin();
+	c.x = 200 + Math.random() * (2048 - 400);
+	c.y = config.y;
+	coins.push(c);
+	game.addChild(c);
+}
+// --- Remove vehicle ---
+function removeVehicle(idx) {
+	vehicles[idx].destroy();
+	vehicles.splice(idx, 1);
+}
+// --- Remove coin ---
+function removeCoin(idx) {
+	coins[idx].destroy();
+	coins.splice(idx, 1);
+}
+// --- Update UI ---
+function updateUI() {
+	scoreTxt.setText(score);
+	coinTxt.setText(coinsCollected);
+}
+// --- Day/Night cycle update ---
+function updateDayNight() {
+	dayNight.t += dayNight.speed;
+	if (dayNight.t > 1) dayNight.t = 0;
+	// Interpolate color
+	var t = dayNight.t;
+	var c1 = dayNight.colorDay,
+		c2 = dayNight.colorNight;
+	var r = (c1 >> 16) * (1 - t) + (c2 >> 16) * t & 0xff;
+	var g = (c1 >> 8 & 0xff) * (1 - t) + (c2 >> 8 & 0xff) * t & 0xff;
+	var b = (c1 & 0xff) * (1 - t) + (c2 & 0xff) * t & 0xff;
+	var color = r << 16 | g << 8 | b;
+	game.setBackgroundColor(color);
+}
+// --- Collision detection ---
+function checkCollisions() {
+	// Vehicles
+	for (var i = 0; i < vehicles.length; i++) {
+		if (player.intersects(vehicles[i])) {
+			// Crash!
+			LK.effects.flashScreen(0xff0000, 800);
+			LK.getSound('crash').play();
+			gameOver = true;
+			LK.showGameOver();
+			return;
+		}
+	}
+	// Coins
+	for (var i = coins.length - 1; i >= 0; i--) {
+		if (player.intersects(coins[i])) {
+			coinsCollected++;
+			updateUI();
+			LK.getSound('coin').play();
+			removeCoin(i);
+		}
+	}
+}
+// --- Move player (grid) ---
+function tryMove(dx, dy) {
+	if (isMoving || gameOver) return;
+	var newLane = lastLane + dy;
+	if (newLane < 0 || newLane >= NUM_LANES) return;
+	var newX = player.x + dx * 220;
+	if (newX < 80 || newX > 2048 - 80) return;
+	var newY = LANE_Y[newLane];
+	isMoving = true;
+	player.hop(newX, newY, function () {
+		isMoving = false;
+		lastLane = newLane;
+		// Score: advance only if moving up
+		if (dy > 0) {
+			score++;
+			updateUI();
+			if (score >= NUM_LANES - 1) {
+				// Win!
+				LK.effects.flashScreen(0x00ffcc, 1000);
+				LK.showYouWin();
+				gameOver = true;
+			}
+		}
+	});
+	LK.getSound('hop').play();
+}
+// --- Touch controls (swipe) ---
+var touchStart = null;
+game.down = function (x, y, obj) {
+	if (gameOver) return;
+	touchStart = {
+		x: x,
+		y: y
+	};
+};
+game.up = function (x, y, obj) {
+	if (gameOver || !touchStart) return;
+	var dx = x - touchStart.x;
+	var dy = y - touchStart.y;
+	var absX = Math.abs(dx),
+		absY = Math.abs(dy);
+	if (absX < 40 && absY < 40) {
+		// Tap: move up
+		tryMove(0, 1);
+	} else if (absY > absX) {
+		if (dy < -40) tryMove(0, -1); // Down
+		else if (dy > 40) tryMove(0, 1); // Up
+	} else {
+		if (dx < -40) tryMove(-1, 0); // Left
+		else if (dx > 40) tryMove(1, 0); // Right
+	}
+	touchStart = null;
+};
+// --- Main update loop ---
+game.update = function () {
+	if (gameOver) return;
+	// Day/Night
+	updateDayNight();
+	// Vehicles
+	for (var i = vehicles.length - 1; i >= 0; i--) {
+		vehicles[i].update();
+		// Remove if offscreen
+		if (vehicles[i].dir === 1 && vehicles[i].x > 2048 + vehicles[i].sprite.width / 2 + 40 || vehicles[i].dir === -1 && vehicles[i].x < -vehicles[i].sprite.width / 2 - 40) {
+			removeVehicle(i);
+		}
+	}
+	// Coins
+	for (var i = 0; i < coins.length; i++) {
+		coins[i].update();
+	}
+	// Spawn vehicles
+	for (var i = 0; i < NUM_LANES; i++) {
+		var config = LANE_CONFIG[i];
+		if (!config || config.type !== 'road') continue;
+		// Count vehicles in this lane
+		var count = 0,
+			minDist = 99999;
+		for (var j = 0; j < vehicles.length; j++) {
+			if (vehicles[j].lane === i) {
+				count++;
+				var dist = Math.abs(vehicles[j].x - 2048 / 2);
+				if (dist < minDist) minDist = dist;
+			}
+		}
+		// If no vehicle or far enough, spawn new
+		if (count === 0 || minDist > config.spacing) {
+			if (Math.random() < 0.025) {
+				// ~1 every 40 frames
+				spawnVehicle(i);
+			}
+		}
+	}
+	// Spawn coins
+	for (var i = 0; i < NUM_LANES; i++) {
+		var config = LANE_CONFIG[i];
+		if (!config || config.type !== 'grass') continue;
+		// 1% chance per frame
+		if (Math.random() < 0.01) {
+			spawnCoin(i);
+		}
+	}
+	// Remove coins if offscreen (shouldn't happen, but safety)
+	for (var i = coins.length - 1; i >= 0; i--) {
+		if (coins[i].y < LANE_TOP - 100 || coins[i].y > 2732 + 100) {
+			removeCoin(i);
+		}
+	}
+	// Collisions
+	checkCollisions();
+};
+// --- Game start ---
+setupLanes();
+drawLanes();
+spawnPlayer();
+updateUI();
+LK.playMusic('bgmusic', {
+	fade: {
+		start: 0,
+		end: 0.7,
+		duration: 1200
+	}
 });
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