===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,390 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Coin class
+var Coin = Container.expand(function () {
+	var self = Container.call(this);
+	var coinAsset = self.attachAsset('coinCircle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.width = coinAsset.width;
+	self.height = coinAsset.height;
+	return self;
+});
+// Enemy class (simple left-right walker)
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyAsset = self.attachAsset('enemyBox', {
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	self.width = enemyAsset.width;
+	self.height = enemyAsset.height;
+	// Movement direction: 1 = right, -1 = left
+	self.dir = 1;
+	self.speed = 3;
+	// Movement bounds (set externally)
+	self.leftBound = 0;
+	self.rightBound = 2048;
+	self.update = function () {
+		self.x += self.dir * self.speed;
+		if (self.x < self.leftBound) {
+			self.x = self.leftBound;
+			self.dir = 1;
+		}
+		if (self.x > self.rightBound) {
+			self.x = self.rightBound;
+			self.dir = -1;
+		}
+	};
+	return self;
+});
+// Platform class
+var Platform = Container.expand(function () {
+	var self = Container.call(this);
+	var platAsset = self.attachAsset('platformBox', {
+		anchorX: 0,
+		anchorY: 0
+	});
+	self.width = platAsset.width;
+	self.height = platAsset.height;
+	return self;
+});
+// Player character class
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach player asset (red box)
+	var playerAsset = self.attachAsset('playerBox', {
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	// Physics properties
+	self.vx = 0;
+	self.vy = 0;
+	self.isOnGround = false;
+	self.width = playerAsset.width;
+	self.height = playerAsset.height;
+	// For jump control
+	self.jumpRequested = false;
+	// Touch down on player (for jump)
+	self.down = function (x, y, obj) {
+		// Only allow jump if on ground
+		if (self.isOnGround) {
+			self.jumpRequested = true;
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87ceeb // Sky blue
+});
+
+/**** 
+* Game Code
+****/ 
+// --- Game Variables ---
+// Tween for animations (jump, enemy movement, etc)
+// --- Asset Initialization (shapes) ---
+var GRAVITY = 2.2;
+var JUMP_VELOCITY = -38;
+var PLAYER_SPEED = 16;
+var SCROLL_SPEED = 10;
+var LEVEL_LENGTH = 2048 * 3; // 3 screens wide
+var player;
+var platforms = [];
+var coins = [];
+var enemies = [];
+var cameraX = 0;
+var score = 0;
+var distance = 0;
+var gameOver = false;
+// --- GUI ---
+var scoreTxt = new Text2('0', {
+	size: 100,
+	fill: 0xFFF700
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var distTxt = new Text2('0m', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+distTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(distTxt);
+distTxt.y = 110;
+// --- Level Generation ---
+function createLevel() {
+	// Clear old
+	for (var i = 0; i < platforms.length; i++) platforms[i].destroy();
+	for (var i = 0; i < coins.length; i++) coins[i].destroy();
+	for (var i = 0; i < enemies.length; i++) enemies[i].destroy();
+	platforms = [];
+	coins = [];
+	enemies = [];
+	// Ground platform
+	for (var i = 0; i < LEVEL_LENGTH; i += 400) {
+		var plat = new Platform();
+		plat.x = i;
+		plat.y = 2300;
+		platforms.push(plat);
+		game.addChild(plat);
+	}
+	// Floating platforms, coins, and enemies
+	var platY = [1800, 1500, 1200, 900, 600];
+	var lastPlatX = 400;
+	for (var i = 0; i < 30; i++) {
+		var px = lastPlatX + 400 + Math.floor(Math.random() * 400);
+		var py = platY[Math.floor(Math.random() * platY.length)];
+		var plat = new Platform();
+		plat.x = px;
+		plat.y = py;
+		platforms.push(plat);
+		game.addChild(plat);
+		// Place a coin above platform
+		if (Math.random() < 0.8) {
+			var coin = new Coin();
+			coin.x = px + plat.width / 2;
+			coin.y = py - 80;
+			coins.push(coin);
+			game.addChild(coin);
+		}
+		// Place an enemy on some platforms
+		if (Math.random() < 0.4) {
+			var enemy = new Enemy();
+			enemy.x = px + plat.width / 2;
+			enemy.y = py;
+			enemy.leftBound = px + 20;
+			enemy.rightBound = px + plat.width - 20;
+			enemies.push(enemy);
+			game.addChild(enemy);
+		}
+		lastPlatX = px;
+	}
+}
+// --- Player Initialization ---
+function resetPlayer() {
+	if (player) player.destroy();
+	player = new Player();
+	player.x = 200;
+	player.y = 2200;
+	player.vx = 0;
+	player.vy = 0;
+	player.isOnGround = false;
+	game.addChild(player);
+}
+// --- Camera ---
+function updateCamera() {
+	// Camera follows player, but clamps to level bounds
+	cameraX = player.x - 600;
+	if (cameraX < 0) cameraX = 0;
+	if (cameraX > LEVEL_LENGTH - 2048) cameraX = LEVEL_LENGTH - 2048;
+	// Move all game objects (except GUI) by -cameraX
+	for (var i = 0; i < platforms.length; i++) platforms[i].xScreen = platforms[i].x - cameraX;
+	for (var i = 0; i < coins.length; i++) coins[i].xScreen = coins[i].x - cameraX;
+	for (var i = 0; i < enemies.length; i++) enemies[i].xScreen = enemies[i].x - cameraX;
+	player.xScreen = player.x - cameraX;
+}
+// --- Utility: AABB collision ---
+function intersectsAABB(a, b) {
+	return a.x < b.x + b.width && a.x + a.width > b.x && a.y < b.y + b.height && a.y + a.height > b.y;
+}
+// --- Touch Controls ---
+// Touch left half: move left, right half: move right, tap player: jump
+var moveDir = 0; // -1 = left, 1 = right, 0 = none
+game.down = function (x, y, obj) {
+	if (gameOver) return;
+	// Convert to game coordinates
+	var gx = x + cameraX;
+	// If touch is on player, jump
+	if (gx > player.x - player.width / 2 && gx < player.x + player.width / 2 && y > player.y - player.height && y < player.y) {
+		player.down(x, y, obj);
+		return;
+	}
+	// Else, move left/right
+	if (x < 2048 / 2) {
+		moveDir = -1;
+	} else {
+		moveDir = 1;
+	}
+};
+game.up = function (x, y, obj) {
+	moveDir = 0;
+};
+game.move = function (x, y, obj) {
+	// Optional: allow drag to change direction
+	if (x < 2048 / 2) {
+		moveDir = -1;
+	} else {
+		moveDir = 1;
+	}
+};
+// --- Game Update Loop ---
+game.update = function () {
+	if (gameOver) return;
+	// --- Player Movement ---
+	// Horizontal movement
+	player.vx = moveDir * PLAYER_SPEED;
+	// Apply gravity
+	player.vy += GRAVITY;
+	// Jump
+	if (player.jumpRequested) {
+		player.vy = JUMP_VELOCITY;
+		player.jumpRequested = false;
+		player.isOnGround = false;
+	}
+	// Move horizontally, check collisions
+	player.x += player.vx;
+	var collidedX = false;
+	for (var i = 0; i < platforms.length; i++) {
+		var plat = platforms[i];
+		if (intersectsAABB({
+			x: player.x - player.width / 2,
+			y: player.y - player.height,
+			width: player.width,
+			height: player.height
+		}, {
+			x: plat.x,
+			y: plat.y,
+			width: plat.width,
+			height: plat.height
+		})) {
+			// Collided horizontally, push player out
+			if (player.vx > 0) {
+				player.x = plat.x - player.width / 2;
+			} else if (player.vx < 0) {
+				player.x = plat.x + plat.width + player.width / 2;
+			}
+			collidedX = true;
+		}
+	}
+	// Move vertically, check collisions
+	player.y += player.vy;
+	var collidedY = false;
+	player.isOnGround = false;
+	for (var i = 0; i < platforms.length; i++) {
+		var plat = platforms[i];
+		if (intersectsAABB({
+			x: player.x - player.width / 2,
+			y: player.y - player.height,
+			width: player.width,
+			height: player.height
+		}, {
+			x: plat.x,
+			y: plat.y,
+			width: plat.width,
+			height: plat.height
+		})) {
+			// Collided vertically
+			if (player.vy > 0) {
+				// Falling, land on platform
+				player.y = plat.y;
+				player.vy = 0;
+				player.isOnGround = true;
+			} else if (player.vy < 0) {
+				// Hitting head
+				player.y = plat.y + plat.height + player.height;
+				player.vy = 0;
+			}
+			collidedY = true;
+		}
+	}
+	// --- Coin Collection ---
+	for (var i = coins.length - 1; i >= 0; i--) {
+		var coin = coins[i];
+		if (intersectsAABB({
+			x: player.x - player.width / 2,
+			y: player.y - player.height,
+			width: player.width,
+			height: player.height
+		}, {
+			x: coin.x - coin.width / 2,
+			y: coin.y - coin.height / 2,
+			width: coin.width,
+			height: coin.height
+		})) {
+			// Collect coin
+			score += 1;
+			scoreTxt.setText(score);
+			coin.destroy();
+			coins.splice(i, 1);
+		}
+	}
+	// --- Enemy Update & Collision ---
+	for (var i = 0; i < enemies.length; i++) {
+		enemies[i].update();
+		// Check collision with player
+		if (intersectsAABB({
+			x: player.x - player.width / 2,
+			y: player.y - player.height,
+			width: player.width,
+			height: player.height
+		}, {
+			x: enemies[i].x - enemies[i].width / 2,
+			y: enemies[i].y - enemies[i].height,
+			width: enemies[i].width,
+			height: enemies[i].height
+		})) {
+			// Game over
+			LK.effects.flashScreen(0xff0000, 1000);
+			gameOver = true;
+			LK.showGameOver();
+			return;
+		}
+	}
+	// --- Camera & Distance ---
+	updateCamera();
+	// Move all objects to screen position
+	for (var i = 0; i < platforms.length; i++) {
+		platforms[i].x = platforms[i].xScreen;
+	}
+	for (var i = 0; i < coins.length; i++) {
+		coins[i].x = coins[i].xScreen;
+	}
+	for (var i = 0; i < enemies.length; i++) {
+		enemies[i].x = enemies[i].xScreen;
+	}
+	player.x = player.xScreen;
+	// --- Distance ---
+	distance = Math.floor((player.x + cameraX) / 10);
+	distTxt.setText(distance + "m");
+	// --- Win/Lose Conditions ---
+	// Fall off screen
+	if (player.y > 2732) {
+		LK.effects.flashScreen(0xff0000, 1000);
+		gameOver = true;
+		LK.showGameOver();
+		return;
+	}
+	// Reached end of level
+	if (player.x + cameraX > LEVEL_LENGTH - 200) {
+		LK.effects.flashScreen(0x00ff00, 1000);
+		LK.setScore(score);
+		LK.showYouWin();
+		gameOver = true;
+		return;
+	}
+};
+// --- Game Start ---
+function startGame() {
+	score = 0;
+	distance = 0;
+	gameOver = false;
+	scoreTxt.setText(score);
+	distTxt.setText(distance + "m");
+	createLevel();
+	resetPlayer();
+	cameraX = 0;
+	moveDir = 0;
+}
+// --- Start ---
+startGame();
\ No newline at end of file