/**** * Classes ****/ var Ball = Container.expand(function () { var self = Container.call(this); var ballGraphics = self.attachAsset('ball', { anchorX: 0.5, anchorY: 0.5 }); self.radius = ballGraphics.width / 2; self.xSpeed = 0; self.ySpeed = 0; self.lastX = 0; self.lastY = 0; self.update = function () { self.lastX = self.x; self.lastY = self.y; self.x += self.xSpeed; self.y += self.ySpeed; }; return self; }); var Brick = Container.expand(function () { var self = Container.call(this); var brickGraphics = self.attachAsset('brick', { anchorX: 0.5, anchorY: 0.5 }); self.width = brickGraphics.width; self.height = brickGraphics.height; return self; }); var Paddle = Container.expand(function () { var self = Container.call(this); var paddleGraphics = self.attachAsset('paddle', { anchorX: 0.5, anchorY: 0.5 }); self.width = paddleGraphics.width; self.height = paddleGraphics.height; self.moveTo = function (x) { // Clamp paddle within game bounds var halfWidth = self.width / 2; if (x < halfWidth) x = halfWidth; if (x > 2048 - halfWidth) x = 2048 - halfWidth; self.x = x; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ game.score = 0; var paddle = game.addChild(new Paddle()); paddle.x = 1024; paddle.y = 2600; var ball = game.addChild(new Ball()); ball.x = 1024; ball.y = 2500; ball.xSpeed = 12; ball.ySpeed = -18; var bricks = []; var brickRows = 5; var brickCols = 8; var brickSpacingX = 30; var brickSpacingY = 30; var brickStartY = 300; var brickStartX = 120; for (var row = 0; row < brickRows; row++) { for (var col = 0; col < brickCols; col++) { var brick = game.addChild(new Brick()); brick.x = brickStartX + col * (brick.width + brickSpacingX); brick.y = brickStartY + row * (brick.height + brickSpacingY); bricks.push(brick); } } var scoreText = new Text2('0', { size: 150, fill: '#1e90ff', font: 'Impact', dropShadow: true, dropShadowColor: '#003366', dropShadowBlur: 5, dropShadowDistance: 7, dropShadowAngle: 0 }); scoreText.anchor.set(.5, 0); LK.gui.top.addChild(scoreText); game.isDragging = false; game.down = function (x, y, obj) { // Start dragging paddle if touch is near paddle if (Math.abs(y - paddle.y) < 200) { game.isDragging = true; paddle.moveTo(x); } }; game.up = function (x, y, obj) { game.isDragging = false; }; game.move = function (x, y, obj) { if (game.isDragging) { paddle.moveTo(x); } }; game.update = function () { // Move ball ball.update(); // Wall collision (left/right) if (ball.x - ball.radius <= 0 && ball.lastX - ball.radius > 0) { ball.x = ball.radius; ball.xSpeed = -ball.xSpeed; LK.getSound('hitPaddle').play(); } if (ball.x + ball.radius >= 2048 && ball.lastX + ball.radius < 2048) { ball.x = 2048 - ball.radius; ball.xSpeed = -ball.xSpeed; LK.getSound('hitPaddle').play(); } // Ceiling collision if (ball.y - ball.radius <= 0 && ball.lastY - ball.radius > 0) { ball.y = ball.radius; ball.ySpeed = -ball.ySpeed; LK.getSound('hitPaddle').play(); } // Paddle collision (only if moving down) if (ball.ySpeed > 0 && ball.y + ball.radius >= paddle.y - paddle.height / 2 && ball.lastY + ball.radius < paddle.y - paddle.height / 2 && ball.x > paddle.x - paddle.width / 2 && ball.x < paddle.x + paddle.width / 2) { ball.y = paddle.y - paddle.height / 2 - ball.radius; ball.ySpeed = -Math.abs(ball.ySpeed); // Add some xSpeed based on where it hit the paddle var hitPos = (ball.x - paddle.x) / (paddle.width / 2); ball.xSpeed += hitPos * 6; LK.getSound('hitPaddle').play(); } // Brick collision for (var i = bricks.length - 1; i >= 0; i--) { var brick = bricks[i]; if (ball.x + ball.radius > brick.x - brick.width / 2 && ball.x - ball.radius < brick.x + brick.width / 2 && ball.y + ball.radius > brick.y - brick.height / 2 && ball.y - ball.radius < brick.y + brick.height / 2) { // Simple collision: reverse ySpeed if (ball.lastY + ball.radius <= brick.y - brick.height / 2 && ball.y + ball.radius > brick.y - brick.height / 2 || ball.lastY - ball.radius >= brick.y + brick.height / 2 && ball.y - ball.radius < brick.y + brick.height / 2) { ball.ySpeed = -ball.ySpeed; } else { ball.xSpeed = -ball.xSpeed; } brick.destroy(); bricks.splice(i, 1); game.score += 1; LK.setScore(game.score); scoreText.setText(game.score); LK.getSound('hitBrick').play(); break; } } // Lose condition if (ball.y - ball.radius > 2732) { LK.setScore(game.score); LK.getSound('gameOverJingle').play(); LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } // Win condition if (bricks.length === 0) { LK.setScore(game.score); LK.showYouWin(); } };