/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0,
	difficulty: 1,
	gameMode: "single"
});

/**** 
* Classes
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
	self.graphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = 15; // Half of the ball width/height
	self.speedX = 0;
	self.speedY = 0;
	self.baseSpeed = 12;
	self.reset = function () {
		self.x = 2048 / 2;
		self.y = 2732 / 2;
		// Randomize initial direction
		var angle = Math.random() * Math.PI / 4 + Math.PI / 4; // 45-90 degrees
		if (Math.random() < 0.5) {
			angle = Math.PI - angle;
		} // Left or right
		self.speedX = Math.cos(angle) * self.baseSpeed;
		self.speedY = (Math.random() < 0.5 ? -1 : 1) * Math.sin(angle) * self.baseSpeed;
	};
	self.increaseSpeed = function () {
		var currentSpeed = Math.sqrt(self.speedX * self.speedX + self.speedY * self.speedY);
		var multiplier = 1.2;
		self.speedX = self.speedX / currentSpeed * (currentSpeed * multiplier);
		self.speedY = self.speedY / currentSpeed * (currentSpeed * multiplier);
	};
	self.update = function () {
		// Update position
		self.x += self.speedX;
		self.y += self.speedY;
		// Handle collisions with side walls
		if (self.x - self.radius < 0) {
			self.x = self.radius;
			self.speedX = -self.speedX;
			LK.getSound('hit').play();
		} else if (self.x + self.radius > 2048) {
			self.x = 2048 - self.radius;
			self.speedX = -self.speedX;
			LK.getSound('hit').play();
		}
		// Check for collisions with paddles
		self.checkPaddleCollisions();
		// Check for score (ball off screen)
		if (self.y - self.radius < 0) {
			// Opponent scores
			increaseScore(false);
			self.reset();
		} else if (self.y + self.radius > 2732) {
			// Player scores
			increaseScore(true);
			self.reset();
		}
	};
	self.checkPaddleCollisions = function () {
		// Check collision with player paddle
		if (self.speedY > 0 && self.y + self.radius >= playerPaddle.y - playerPaddle.height / 2 && self.y - self.radius <= playerPaddle.y + playerPaddle.height / 2 && self.x >= playerPaddle.x - playerPaddle.graphics.width / 2 && self.x <= playerPaddle.x + playerPaddle.graphics.width / 2) {
			// Bounce with angle based on hit position
			self.speedY = -self.speedY;
			var hitPos = (self.x - playerPaddle.x) / (playerPaddle.graphics.width / 2);
			self.speedX = hitPos * (self.baseSpeed * 0.8);
			// Ensure minimum vertical speed
			var currentSpeed = Math.sqrt(self.speedX * self.speedX + self.speedY * self.speedY);
			if (currentSpeed < self.baseSpeed) {
				var factor = self.baseSpeed / currentSpeed;
				self.speedX *= factor;
				self.speedY *= factor;
			}
			self.y = playerPaddle.y - playerPaddle.height / 2 - self.radius - 1; // Move out of collision
			LK.getSound('hit').play();
		}
		// Check collision with opponent paddle
		if (self.speedY < 0 && self.y - self.radius <= opponentPaddle.y + opponentPaddle.height / 2 && self.y + self.radius >= opponentPaddle.y - opponentPaddle.height / 2 && self.x >= opponentPaddle.x - opponentPaddle.graphics.width / 2 && self.x <= opponentPaddle.x + opponentPaddle.graphics.width / 2) {
			// Bounce with angle based on hit position
			self.speedY = -self.speedY;
			var hitPos = (self.x - opponentPaddle.x) / (opponentPaddle.graphics.width / 2);
			self.speedX = hitPos * (self.baseSpeed * 0.8);
			// Ensure minimum vertical speed
			var currentSpeed = Math.sqrt(self.speedX * self.speedX + self.speedY * self.speedY);
			if (currentSpeed < self.baseSpeed) {
				var factor = self.baseSpeed / currentSpeed;
				self.speedX *= factor;
				self.speedY *= factor;
			}
			self.y = opponentPaddle.y + opponentPaddle.height / 2 + self.radius + 1; // Move out of collision
			LK.getSound('hit').play();
		}
	};
	return self;
});
var Paddle = Container.expand(function () {
	var self = Container.call(this);
	self.width = 300;
	self.height = 50;
	self.speed = 15;
	self.originalWidth = 300;
	self.init = function (isPlayer) {
		self.isPlayer = isPlayer;
		var assetId = isPlayer ? 'paddlePlayer' : 'paddleOpponent';
		self.graphics = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	self.resetSize = function () {
		tween(self.graphics, {
			width: self.originalWidth
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	};
	self.enlarge = function () {
		tween(self.graphics, {
			width: self.originalWidth * 1.5
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	};
	self.shrink = function () {
		tween(self.graphics, {
			width: self.originalWidth * 0.7
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	};
	self.update = function () {
		// AI movement for opponent in single player mode
		if (!self.isPlayer && gameMode === 'single' && ball) {
			var targetX = ball.x;
			var difficulty = storage.difficulty || 1; // 1-3 (easy to hard)
			var maxSpeed = self.speed * (0.5 + difficulty * 0.25);
			// Add some delay and imperfection for easier difficulties
			if (difficulty < 3) {
				var reactionDelay = (3 - difficulty) * 10;
				if (LK.ticks % reactionDelay === 0) {
					// Only update target position occasionally based on difficulty
					var error = (3 - difficulty) * 100;
					targetX += Math.random() * error * 2 - error;
				}
			}
			// Move paddle towards the ball with speed based on difficulty
			var moveDirection = targetX > self.x ? 1 : -1;
			var distance = Math.abs(targetX - self.x);
			if (distance > 10) {
				var moveAmount = Math.min(distance, maxSpeed);
				self.x += moveDirection * moveAmount;
			}
		}
		// Keep paddles within game boundaries
		if (self.x < self.graphics.width / 2) {
			self.x = self.graphics.width / 2;
		} else if (self.x > 2048 - self.graphics.width / 2) {
			self.x = 2048 - self.graphics.width / 2;
		}
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	self.graphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.type = 'none';
	self.active = false;
	self.radius = 25; // Half of the powerup width/height
	self.spawn = function () {
		// Choose random type
		var types = ['speed', 'enlarge', 'shrink'];
		self.type = types[Math.floor(Math.random() * types.length)];
		// Set position randomly on field
		self.x = Math.random() * (2048 - 200) + 100;
		self.y = Math.random() * (2732 - 500) + 250;
		// Set color based on type
		switch (self.type) {
			case 'speed':
				self.graphics.tint = 0xff5500; // Orange
				break;
			case 'enlarge':
				self.graphics.tint = 0x00ff00; // Green
				break;
			case 'shrink':
				self.graphics.tint = 0xff0000; // Red
				break;
		}
		self.active = true;
		game.addChild(self);
		// Auto-despawn after 7 seconds
		LK.setTimeout(function () {
			if (self.active) {
				self.despawn();
			}
		}, 7000);
	};
	self.despawn = function () {
		self.active = false;
		game.removeChild(self);
	};
	self.update = function () {
		if (!self.active || !ball) {
			return;
		}
		// Check collision with ball
		var dx = ball.x - self.x;
		var dy = ball.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < ball.radius + self.radius) {
			self.applyEffect();
			self.despawn();
			LK.getSound('powerup').play();
		}
	};
	self.applyEffect = function () {
		switch (self.type) {
			case 'speed':
				ball.increaseSpeed();
				LK.effects.flashObject(ball, 0xff5500, 1000); // Flash orange
				break;
			case 'enlarge':
				// Enlarge the paddle that's about to receive the ball
				if (ball.speedY > 0) {
					playerPaddle.enlarge();
					LK.effects.flashObject(playerPaddle, 0x00ff00, 1000); // Flash green
					// Reset size after 10 seconds
					LK.setTimeout(function () {
						playerPaddle.resetSize();
					}, 10000);
				} else {
					opponentPaddle.enlarge();
					LK.effects.flashObject(opponentPaddle, 0x00ff00, 1000); // Flash green
					// Reset size after 10 seconds
					LK.setTimeout(function () {
						opponentPaddle.resetSize();
					}, 10000);
				}
				break;
			case 'shrink':
				// Shrink the paddle that's about to receive the ball
				if (ball.speedY > 0) {
					opponentPaddle.shrink();
					LK.effects.flashObject(opponentPaddle, 0xff0000, 1000); // Flash red
					// Reset size after 10 seconds
					LK.setTimeout(function () {
						opponentPaddle.resetSize();
					}, 10000);
				} else {
					playerPaddle.shrink();
					LK.effects.flashObject(playerPaddle, 0xff0000, 1000); // Flash red
					// Reset size after 10 seconds
					LK.setTimeout(function () {
						playerPaddle.resetSize();
					}, 10000);
				}
				break;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222222
});

/**** 
* Game Code
****/ 
// Game variables
var gameMode = storage.gameMode || 'single';
var playerScore = 0;
var opponentScore = 0;
var highScore = storage.highScore || 0;
var maxScore = 5;
var isPaused = false;
var activePowerUp = null;
var draggingPlayerPaddle = false;
var draggingOpponentPaddle = false;
// Game elements
var playerPaddle;
var opponentPaddle;
var ball;
var centerLine;
// UI elements
var playerScoreText;
var opponentScoreText;
var gameModeText;
var gameModeToggle;
function setupGameElements() {
	// Create center line
	centerLine = LK.getAsset('centerLine', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.3
	});
	centerLine.x = 2048 / 2;
	centerLine.y = 2732 / 2;
	game.addChild(centerLine);
	// Create paddles
	playerPaddle = new Paddle();
	playerPaddle.init(true);
	playerPaddle.x = 2048 / 2;
	playerPaddle.y = 2732 - 200;
	game.addChild(playerPaddle);
	opponentPaddle = new Paddle();
	opponentPaddle.init(false);
	opponentPaddle.x = 2048 / 2;
	opponentPaddle.y = 200;
	game.addChild(opponentPaddle);
	// Create ball
	ball = new Ball();
	ball.reset();
	game.addChild(ball);
	// Create power-up
	activePowerUp = new PowerUp();
	// Schedule regular power-up spawns
	LK.setInterval(function () {
		if (!activePowerUp.active) {
			activePowerUp.spawn();
		}
	}, 15000); // Every 15 seconds
	// Set up UI
	setupUI();
}
function setupUI() {
	// Player score text
	playerScoreText = new Text2('0', {
		size: 120,
		fill: 0x3498DB
	});
	playerScoreText.anchor.set(0.5, 0.5);
	playerScoreText.x = 2048 / 2;
	playerScoreText.y = 2732 / 2 + 150;
	game.addChild(playerScoreText);
	// Opponent score text
	opponentScoreText = new Text2('0', {
		size: 120,
		fill: 0xE74C3C
	});
	opponentScoreText.anchor.set(0.5, 0.5);
	opponentScoreText.x = 2048 / 2;
	opponentScoreText.y = 2732 / 2 - 150;
	game.addChild(opponentScoreText);
	// High score text
	var highScoreText = new Text2('High Score: ' + highScore, {
		size: 40,
		fill: 0xFFFFFF
	});
	highScoreText.anchor.set(0.5, 0.5);
	highScoreText.x = 2048 / 2;
	highScoreText.y = 2732 / 2;
	game.addChild(highScoreText);
	// Game mode text
	gameModeText = new Text2(gameMode === 'single' ? 'SINGLE PLAYER' : 'MULTIPLAYER', {
		size: 40,
		fill: 0xFFFFFF
	});
	gameModeText.anchor.set(0.5, 0.5);
	LK.gui.topRight.addChild(gameModeText);
	gameModeText.x = -200;
	gameModeText.y = 100;
	// Game mode toggle button
	gameModeToggle = LK.getAsset('centerLine', {
		width: 300,
		height: 60,
		color: 0x555555,
		anchorX: 0.5,
		anchorY: 0.5
	});
	gameModeToggle.x = -200;
	gameModeToggle.y = 180;
	var toggleText = new Text2('CHANGE MODE', {
		size: 30,
		fill: 0xFFFFFF
	});
	toggleText.anchor.set(0.5, 0.5);
	gameModeToggle.addChild(toggleText);
	LK.gui.topRight.addChild(gameModeToggle);
	// Add event listener for mode toggle
	gameModeToggle.interactive = true;
	gameModeToggle.down = function () {
		toggleGameMode();
	};
}
function toggleGameMode() {
	gameMode = gameMode === 'single' ? 'multi' : 'single';
	storage.gameMode = gameMode;
	gameModeText.setText(gameMode === 'single' ? 'SINGLE PLAYER' : 'MULTIPLAYER');
	// Reset game when mode changes
	resetGame();
}
function resetGame() {
	playerScore = 0;
	opponentScore = 0;
	updateScoreDisplay();
	if (ball) {
		ball.reset();
	}
	if (playerPaddle) {
		playerPaddle.x = 2048 / 2;
		playerPaddle.resetSize();
	}
	if (opponentPaddle) {
		opponentPaddle.x = 2048 / 2;
		opponentPaddle.resetSize();
	}
	if (activePowerUp && activePowerUp.active) {
		activePowerUp.despawn();
	}
}
function increaseScore(isPlayer) {
	if (isPlayer) {
		playerScore++;
	} else {
		opponentScore++;
	}
	updateScoreDisplay();
	LK.getSound('score').play();
	// Check for game over
	if (playerScore >= maxScore || opponentScore >= maxScore) {
		LK.setTimeout(function () {
			if (playerScore >= maxScore) {
				if (playerScore > highScore) {
					highScore = playerScore;
					storage.highScore = highScore;
				}
				LK.showYouWin();
			} else {
				LK.showGameOver();
			}
		}, 500);
	}
}
function updateScoreDisplay() {
	playerScoreText.setText(playerScore.toString());
	opponentScoreText.setText(opponentScore.toString());
}
function handlePaddleMovement(x, y) {
	if (draggingPlayerPaddle) {
		playerPaddle.x = x;
	}
	if (gameMode === 'multi' && draggingOpponentPaddle) {
		opponentPaddle.x = x;
	}
}
// Input handlers
game.down = function (x, y, obj) {
	// Check if clicking on player paddle
	if (y > 2732 / 2) {
		draggingPlayerPaddle = true;
		handlePaddleMovement(x, y);
	}
	// Check if clicking on opponent paddle (only in multiplayer)
	else if (gameMode === 'multi' && y < 2732 / 2) {
		draggingOpponentPaddle = true;
		handlePaddleMovement(x, y);
	}
};
game.up = function (x, y, obj) {
	draggingPlayerPaddle = false;
	draggingOpponentPaddle = false;
};
game.move = function (x, y, obj) {
	handlePaddleMovement(x, y);
};
// Game loop
game.update = function () {
	if (isPaused) {
		return;
	}
	// Update game elements
	if (playerPaddle) {
		playerPaddle.update();
	}
	if (opponentPaddle) {
		opponentPaddle.update();
	}
	if (ball) {
		ball.update();
	}
	if (activePowerUp && activePowerUp.active) {
		activePowerUp.update();
	}
};
// Initialize game
setupGameElements();
resetGame();
// Play background music
LK.playMusic('gameMusic', {
	fade: {
		start: 0,
		end: 0.3,
		duration: 1000
	}
});

===================================================================
--- original.js
+++ change.js
@@ -286,8 +286,9 @@
 // Game variables
 var gameMode = storage.gameMode || 'single';
 var playerScore = 0;
 var opponentScore = 0;
+var highScore = storage.highScore || 0;
 var maxScore = 5;
 var isPaused = false;
 var activePowerUp = null;
 var draggingPlayerPaddle = false;
@@ -356,8 +357,17 @@
 	opponentScoreText.anchor.set(0.5, 0.5);
 	opponentScoreText.x = 2048 / 2;
 	opponentScoreText.y = 2732 / 2 - 150;
 	game.addChild(opponentScoreText);
+	// High score text
+	var highScoreText = new Text2('High Score: ' + highScore, {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	highScoreText.anchor.set(0.5, 0.5);
+	highScoreText.x = 2048 / 2;
+	highScoreText.y = 2732 / 2;
+	game.addChild(highScoreText);
 	// Game mode text
 	gameModeText = new Text2(gameMode === 'single' ? 'SINGLE PLAYER' : 'MULTIPLAYER', {
 		size: 40,
 		fill: 0xFFFFFF
@@ -426,8 +436,12 @@
 	// Check for game over
 	if (playerScore >= maxScore || opponentScore >= maxScore) {
 		LK.setTimeout(function () {
 			if (playerScore >= maxScore) {
+				if (playerScore > highScore) {
+					highScore = playerScore;
+					storage.highScore = highScore;
+				}
 				LK.showYouWin();
 			} else {
 				LK.showGameOver();
 			}