===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,266 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Ball = Container.expand(function () {
+	var self = Container.call(this);
+	var ballGraphics = self.attachAsset('ball', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocityX = 0;
+	self.velocityY = 0;
+	self.gravity = 0.3;
+	self.moving = false;
+	self.update = function () {
+		if (self.moving) {
+			self.x += self.velocityX;
+			self.y += self.velocityY;
+			self.velocityY += self.gravity;
+			// Ground collision
+			if (self.y >= ballStartY) {
+				self.y = ballStartY;
+				self.velocityY *= -0.4;
+				self.velocityX *= 0.8;
+				if (Math.abs(self.velocityX) < 1 && Math.abs(self.velocityY) < 1) {
+					self.moving = false;
+					self.velocityX = 0;
+					self.velocityY = 0;
+				}
+			}
+		}
+	};
+	self.shoot = function (targetX, targetY, power) {
+		var distance = Math.sqrt((targetX - self.x) * (targetX - self.x) + (targetY - self.y) * (targetY - self.y));
+		self.velocityX = (targetX - self.x) / distance * power;
+		self.velocityY = (targetY - self.y) / distance * power;
+		self.moving = true;
+		LK.getSound('kick').play();
+	};
+	return self;
+});
+var Goalkeeper = Container.expand(function () {
+	var self = Container.call(this);
+	var keeperGraphics = self.attachAsset('goalkeeper', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.speed = 2 + LK.getScore() * 0.3;
+	self.direction = 1;
+	self.reactionTime = 0;
+	self.maxReactionTime = 30 - LK.getScore() * 2;
+	if (self.maxReactionTime < 10) self.maxReactionTime = 10;
+	self.update = function () {
+		// Random movement
+		if (Math.random() < 0.02) {
+			self.direction *= -1;
+		}
+		self.x += self.direction * self.speed;
+		// Keep within goal bounds
+		if (self.x <= goalX + 50) {
+			self.x = goalX + 50;
+			self.direction = 1;
+		}
+		if (self.x >= goalX + goalWidth - 50) {
+			self.x = goalX + goalWidth - 50;
+			self.direction = -1;
+		}
+		// React to ball when it's moving toward goal
+		if (ball.moving && ball.y < goalY + 100) {
+			self.reactionTime++;
+			if (self.reactionTime > self.maxReactionTime) {
+				if (ball.x < self.x) {
+					self.direction = -1;
+				} else {
+					self.direction = 1;
+				}
+			}
+		} else {
+			self.reactionTime = 0;
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+// Game dimensions and positions
+var fieldY = 2732 - 600;
+var goalWidth = 800;
+var goalHeight = 400;
+var goalX = (2048 - goalWidth) / 2;
+var goalY = fieldY - goalHeight;
+var ballStartX = 2048 / 2;
+var ballStartY = fieldY - 40;
+// Game state
+var isAiming = false;
+var aimStartX = 0;
+var aimStartY = 0;
+var gameState = 'ready'; // 'ready', 'aiming', 'shooting', 'reset' 
+// Create field
+var field = game.addChild(LK.getAsset('field', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: fieldY
+}));
+// Create goal
+var goal = game.addChild(LK.getAsset('goal', {
+	anchorX: 0,
+	anchorY: 0,
+	x: goalX,
+	y: goalY
+}));
+// Create goal posts (visual)
+var leftPost = game.addChild(LK.getAsset('aimLine', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: goalX,
+	y: goalY,
+	width: 12,
+	height: goalHeight,
+	color: 0xffffff
+}));
+var rightPost = game.addChild(LK.getAsset('aimLine', {
+	anchorX: 0.5,
+	anchorY: 0,
+	x: goalX + goalWidth,
+	y: goalY,
+	width: 12,
+	height: goalHeight,
+	color: 0xffffff
+}));
+var crossbar = game.addChild(LK.getAsset('aimLine', {
+	anchorX: 0,
+	anchorY: 0.5,
+	x: goalX,
+	y: goalY,
+	width: goalWidth,
+	height: 12,
+	color: 0xffffff
+}));
+// Create ball
+var ball = game.addChild(new Ball());
+ball.x = ballStartX;
+ball.y = ballStartY;
+// Create goalkeeper
+var goalkeeper = game.addChild(new Goalkeeper());
+goalkeeper.x = goalX + goalWidth / 2;
+goalkeeper.y = goalY + goalHeight;
+// Create aim line (initially hidden)
+var aimLine = game.addChild(LK.getAsset('aimLine', {
+	anchorX: 0,
+	anchorY: 0.5,
+	alpha: 0
+}));
+// Create score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create instruction text
+var instructionTxt = new Text2('Drag to aim, release to shoot!', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+instructionTxt.anchor.set(0.5, 1);
+instructionTxt.y = -50;
+LK.gui.bottom.addChild(instructionTxt);
+// Game event handlers
+game.down = function (x, y, obj) {
+	if (gameState === 'ready') {
+		gameState = 'aiming';
+		isAiming = true;
+		aimStartX = x;
+		aimStartY = y;
+		aimLine.alpha = 1;
+	}
+};
+game.move = function (x, y, obj) {
+	if (isAiming && gameState === 'aiming') {
+		var dx = x - ball.x;
+		var dy = y - ball.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance > 0) {
+			aimLine.x = ball.x;
+			aimLine.y = ball.y;
+			aimLine.width = Math.min(distance, 300);
+			aimLine.rotation = Math.atan2(dy, dx);
+		}
+	}
+};
+game.up = function (x, y, obj) {
+	if (isAiming && gameState === 'aiming') {
+		isAiming = false;
+		aimLine.alpha = 0;
+		gameState = 'shooting';
+		var dx = x - ball.x;
+		var dy = y - ball.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		var power = Math.min(distance / 10, 20);
+		ball.shoot(x, y, power);
+	}
+};
+// Reset function
+function resetGame() {
+	ball.x = ballStartX;
+	ball.y = ballStartY;
+	ball.moving = false;
+	ball.velocityX = 0;
+	ball.velocityY = 0;
+	gameState = 'ready';
+	goalkeeper.reactionTime = 0;
+	goalkeeper.speed = 2 + LK.getScore() * 0.3;
+	goalkeeper.maxReactionTime = 30 - LK.getScore() * 2;
+	if (goalkeeper.maxReactionTime < 10) goalkeeper.maxReactionTime = 10;
+}
+// Game update loop
+game.update = function () {
+	// Check for goal
+	if (ball.moving && ball.x > goalX && ball.x < goalX + goalWidth && ball.y > goalY && ball.y < goalY + goalHeight && ball.lastY !== undefined && ball.lastY >= goalY) {
+		// Check if goalkeeper blocked it
+		if (!ball.intersects(goalkeeper)) {
+			LK.setScore(LK.getScore() + 1);
+			scoreTxt.setText('Score: ' + LK.getScore());
+			LK.getSound('goal').play();
+			LK.effects.flashScreen(0x00ff00, 500);
+			LK.setTimeout(function () {
+				resetGame();
+			}, 1000);
+		}
+	}
+	// Check for goalkeeper block
+	if (ball.moving && ball.intersects(goalkeeper)) {
+		LK.getSound('block').play();
+		LK.effects.flashScreen(0xff0000, 500);
+		LK.showGameOver();
+	}
+	// Check if ball went off screen or stopped moving for too long
+	if (ball.moving && (ball.x < -100 || ball.x > 2148 || ball.y > fieldY + 100)) {
+		LK.showGameOver();
+	}
+	// Check if ball stopped moving and didn't score
+	if (!ball.moving && gameState === 'shooting') {
+		if (!(ball.x > goalX && ball.x < goalX + goalWidth && ball.y > goalY && ball.y < goalY + goalHeight)) {
+			LK.setTimeout(function () {
+				LK.showGameOver();
+			}, 1000);
+		}
+	}
+	// Track ball position for collision detection
+	ball.lastY = ball.y;
+};
\ No newline at end of file