===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,323 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var AIStick = Container.expand(function () {
+	var self = Container.call(this);
+	var stickGraphics = self.attachAsset('aiStick', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 0.08; // Will be adjusted based on difficulty
+	self.update = function () {
+		// AI behavior based on puck position
+		var targetX = puck.x;
+		var targetY = game.rink.y - game.rink.height / 4;
+		// Adjust AI difficulty
+		if (aiDifficulty === 'easy') {
+			self.speed = 0.05;
+			targetX += (Math.random() - 0.5) * 100; // Add some randomness
+		} else if (aiDifficulty === 'medium') {
+			self.speed = 0.08;
+			targetX += (Math.random() - 0.5) * 50;
+		} else if (aiDifficulty === 'hard') {
+			self.speed = 0.12;
+			// Hard AI tries to intercept puck path
+			if (puck.velocityY < 0) {
+				targetX = puck.x + puck.velocityX * 10;
+			}
+		}
+		// Move toward target
+		var dx = targetX - self.x;
+		var dy = targetY - self.y;
+		self.x += dx * self.speed;
+		self.y += dy * self.speed;
+		// Constrain to AI half
+		var rinkTop = game.rink.y - game.rink.height / 2;
+		var rinkLeft = game.rink.x - game.rink.width / 2;
+		var rinkRight = game.rink.x + game.rink.width / 2;
+		self.x = Math.max(rinkLeft + 40, Math.min(rinkRight - 40, self.x));
+		self.y = Math.max(rinkTop + 40, Math.min(game.rink.y + 50, self.y));
+		// Check for puck collision
+		puck.hit(self);
+	};
+	return self;
+});
+var PlayerStick = Container.expand(function () {
+	var self = Container.call(this);
+	var stickGraphics = self.attachAsset('playerStick', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.targetX = 0;
+	self.targetY = 0;
+	self.update = function () {
+		// Smooth movement toward target
+		var dx = self.targetX - self.x;
+		var dy = self.targetY - self.y;
+		self.x += dx * 0.15;
+		self.y += dy * 0.15;
+		// Constrain to player half
+		var rinkBottom = game.rink.y + game.rink.height / 2;
+		var rinkLeft = game.rink.x - game.rink.width / 2;
+		var rinkRight = game.rink.x + game.rink.width / 2;
+		self.x = Math.max(rinkLeft + 40, Math.min(rinkRight - 40, self.x));
+		self.y = Math.max(game.rink.y - 50, Math.min(rinkBottom - 40, self.y));
+		// Check for puck collision
+		puck.hit(self);
+	};
+	return self;
+});
+var Puck = Container.expand(function () {
+	var self = Container.call(this);
+	var puckGraphics = self.attachAsset('puck', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocityX = 0;
+	self.velocityY = 0;
+	self.friction = 0.98;
+	self.bounceReduction = 0.7;
+	self.update = function () {
+		// Apply movement
+		self.x += self.velocityX;
+		self.y += self.velocityY;
+		// Apply friction
+		self.velocityX *= self.friction;
+		self.velocityY *= self.friction;
+		// Boundary collision
+		var rinkLeft = game.rink.x - game.rink.width / 2;
+		var rinkRight = game.rink.x + game.rink.width / 2;
+		var rinkTop = game.rink.y - game.rink.height / 2;
+		var rinkBottom = game.rink.y + game.rink.height / 2;
+		if (self.x < rinkLeft + 20 || self.x > rinkRight - 20) {
+			self.velocityX *= -self.bounceReduction;
+			self.x = Math.max(rinkLeft + 20, Math.min(rinkRight - 20, self.x));
+		}
+		if (self.y < rinkTop + 20 || self.y > rinkBottom - 20) {
+			self.velocityY *= -self.bounceReduction;
+			self.y = Math.max(rinkTop + 20, Math.min(rinkBottom - 20, self.y));
+		}
+		// Check for goals
+		if (self.y < rinkTop + 100 && self.x > game.rink.x - 150 && self.x < game.rink.x + 150) {
+			// Top goal (player scores)
+			playerScore++;
+			self.resetPosition();
+			LK.getSound('goal').play();
+			LK.setScore(playerScore);
+			updateScore();
+			if (playerScore >= winScore) {
+				LK.showYouWin();
+			}
+		} else if (self.y > rinkBottom - 100 && self.x > game.rink.x - 150 && self.x < game.rink.x + 150) {
+			// Bottom goal (AI scores)
+			aiScore++;
+			self.resetPosition();
+			LK.getSound('goal').play();
+			updateScore();
+			if (aiScore >= winScore) {
+				LK.showGameOver();
+			}
+		}
+	};
+	self.resetPosition = function () {
+		self.x = game.rink.x;
+		self.y = game.rink.y;
+		self.velocityX = 0;
+		self.velocityY = 0;
+	};
+	self.hit = function (stick) {
+		var dx = self.x - stick.x;
+		var dy = self.y - stick.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance < 60) {
+			var force = 15;
+			self.velocityX = dx / distance * force;
+			self.velocityY = dy / distance * force;
+			LK.getSound('hit').play();
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x228B22
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var playerScore = 0;
+var aiScore = 0;
+var winScore = 3;
+var aiDifficulty = 'medium'; // 'easy', 'medium', 'hard'
+var gameStarted = false;
+// Create rink
+game.rink = game.addChild(LK.getAsset('rink', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 2048 / 2,
+	y: 2732 / 2
+}));
+// Create center line
+var centerLine = game.addChild(LK.getAsset('centerLine', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 2048 / 2,
+	y: 2732 / 2
+}));
+// Create goals
+var topGoal = game.addChild(LK.getAsset('goal', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 2048 / 2,
+	y: game.rink.y - game.rink.height / 2 + 50
+}));
+var bottomGoal = game.addChild(LK.getAsset('goal', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 2048 / 2,
+	y: game.rink.y + game.rink.height / 2 - 50
+}));
+// Create goal posts
+var topLeftPost = game.addChild(LK.getAsset('goalPost', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: topGoal.x - 150,
+	y: topGoal.y - 75
+}));
+var topRightPost = game.addChild(LK.getAsset('goalPost', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: topGoal.x + 150,
+	y: topGoal.y - 75
+}));
+var bottomLeftPost = game.addChild(LK.getAsset('goalPost', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: bottomGoal.x - 150,
+	y: bottomGoal.y + 75
+}));
+var bottomRightPost = game.addChild(LK.getAsset('goalPost', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: bottomGoal.x + 150,
+	y: bottomGoal.y + 75
+}));
+// Create game objects
+var puck = game.addChild(new Puck());
+puck.resetPosition();
+var playerStick = game.addChild(new PlayerStick());
+playerStick.x = game.rink.x;
+playerStick.y = game.rink.y + game.rink.height / 4;
+var aiStick = game.addChild(new AIStick());
+aiStick.x = game.rink.x;
+aiStick.y = game.rink.y - game.rink.height / 4;
+// UI Elements
+var scoreText = new Text2('Player: 0 - AI: 0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+var difficultyText = new Text2('Difficulty: Medium', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+difficultyText.anchor.set(0.5, 0);
+difficultyText.y = 100;
+LK.gui.top.addChild(difficultyText);
+var instructionText = new Text2('Drag your stick to hit the puck!', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+instructionText.anchor.set(0.5, 1);
+LK.gui.bottom.addChild(instructionText);
+// Difficulty selector
+var easyButton = new Text2('EASY', {
+	size: 60,
+	fill: 0x00FF00
+});
+easyButton.anchor.set(0, 0.5);
+easyButton.x = 50;
+LK.gui.left.addChild(easyButton);
+var mediumButton = new Text2('MEDIUM', {
+	size: 60,
+	fill: 0xFFFF00
+});
+mediumButton.anchor.set(0, 0.5);
+mediumButton.x = 50;
+mediumButton.y = 100;
+LK.gui.left.addChild(mediumButton);
+var hardButton = new Text2('HARD', {
+	size: 60,
+	fill: 0xFF0000
+});
+hardButton.anchor.set(0, 0.5);
+hardButton.x = 50;
+hardButton.y = 200;
+LK.gui.left.addChild(hardButton);
+function updateScore() {
+	scoreText.setText('Player: ' + playerScore + ' - AI: ' + aiScore);
+	LK.setScore(playerScore);
+}
+function resetGame() {
+	playerScore = 0;
+	aiScore = 0;
+	updateScore();
+	puck.resetPosition();
+	playerStick.x = game.rink.x;
+	playerStick.y = game.rink.y + game.rink.height / 4;
+	aiStick.x = game.rink.x;
+	aiStick.y = game.rink.y - game.rink.height / 4;
+}
+// Event handlers
+easyButton.down = function () {
+	aiDifficulty = 'easy';
+	difficultyText.setText('Difficulty: Easy');
+	resetGame();
+};
+mediumButton.down = function () {
+	aiDifficulty = 'medium';
+	difficultyText.setText('Difficulty: Medium');
+	resetGame();
+};
+hardButton.down = function () {
+	aiDifficulty = 'hard';
+	difficultyText.setText('Difficulty: Hard');
+	resetGame();
+};
+var isDragging = false;
+game.down = function (x, y, obj) {
+	// Check if touch is in player area
+	if (y > game.rink.y - 50) {
+		isDragging = true;
+		playerStick.targetX = x;
+		playerStick.targetY = y;
+	}
+};
+game.move = function (x, y, obj) {
+	if (isDragging && y > game.rink.y - 50) {
+		playerStick.targetX = x;
+		playerStick.targetY = y;
+	}
+};
+game.up = function (x, y, obj) {
+	isDragging = false;
+};
+game.update = function () {
+	// Update all game objects
+	puck.update();
+	playerStick.update();
+	aiStick.update();
+};
+// Initialize game
+updateScore();
\ No newline at end of file