/**** 
* 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 = 0.6;
	self.bounceStrength = -15;
	self.x = 1024;
	self.y = 200;
	self.update = function () {
		self.velocityY += self.gravity;
		self.x += self.velocityX;
		self.y += self.velocityY;
		self.velocityX *= 0.98;
		if (self.x < 25) {
			self.x = 25;
			self.velocityX *= -0.8;
		}
		if (self.x > 2023) {
			self.x = 2023;
			self.velocityX *= -0.8;
		}
	};
	return self;
});
var BonusLarge = Container.expand(function () {
	var self = Container.call(this);
	var bonusGraphics = self.attachAsset('bonusLarge', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityY = 1.5;
	self.velocityX = 0;
	self.gravity = 0.3;
	self.pointValue = 10;
	self.lastY = self.y;
	self.update = function () {
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		self.x += self.velocityX;
		self.lastY = self.y;
	};
	return self;
});
var BonusSmall = Container.expand(function () {
	var self = Container.call(this);
	var bonusGraphics = self.attachAsset('bonusSmall', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityY = 2;
	self.velocityX = 0;
	self.gravity = 0.4;
	self.pointValue = 5;
	self.lastY = self.y;
	self.update = function () {
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		self.x += self.velocityX;
		self.lastY = self.y;
	};
	return self;
});
var Paddle = Container.expand(function () {
	var self = Container.call(this);
	var paddleGraphics = self.attachAsset('paddle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = 1024;
	self.y = 2600;
	return self;
});
var Penalty = Container.expand(function () {
	var self = Container.call(this);
	var penaltyGraphics = self.attachAsset('penalty', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityY = 2.5;
	self.velocityX = 0;
	self.gravity = 0.5;
	self.lastY = self.y;
	self.update = function () {
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		self.x += self.velocityX;
		self.lastY = self.y;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
var paddle = game.addChild(new Paddle());
var ball = game.addChild(new Ball());
var scoreTxt = new Text2('0', {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var dragNode = null;
var ballLastIntersecting = false;
var ballLastY = ball.y;
var bonusObjects = [];
var penaltyObjects = [];
var spawnCounter = 0;
function handleMove(x, y, obj) {
	paddle.x = x;
	paddle.y = y;
	if (paddle.x < 75) {
		paddle.x = 75;
	}
	if (paddle.x > 1973) {
		paddle.x = 1973;
	}
	if (paddle.y < 20) {
		paddle.y = 20;
	}
	if (paddle.y > 2712) {
		paddle.y = 2712;
	}
	if (ballLastY >= 0 && ball.y > 2732) {
		LK.showGameOver();
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	handleMove(x, y, obj);
};
game.update = function () {
	var paddleTop = paddle.y - 20;
	var paddleBottom = paddle.y + 20;
	var paddleLeft = paddle.x - 75;
	var paddleRight = paddle.x + 75;
	var ballRadius = 40;
	var ballCenterX = ball.x;
	var ballCenterY = ball.y;
	var paddleCenterX = paddle.x;
	var ballMovedDownward = ballLastY < ballCenterY;
	var ballCrossedPaddleVertically = ballLastY - ballRadius <= paddleTop && ballCenterY + ballRadius >= paddleTop;
	var ballWithinPaddleHorizontally = ballCenterX >= paddleLeft && ballCenterX <= paddleRight;
	var currentIntersecting = ball.intersects(paddle);
	if ((currentIntersecting || ballMovedDownward && ballCrossedPaddleVertically && ballWithinPaddleHorizontally) && ballCenterY - ballRadius < paddleBottom) {
		LK.setScore(LK.getScore() + 1);
		scoreTxt.setText(LK.getScore());
		ball.velocityY = ball.bounceStrength;
		ball.y = paddleTop - ballRadius;
		var distance = (ballCenterX - paddleCenterX) / 75;
		ball.velocityX = distance * 8;
		LK.getSound('bounce').play();
	}
	ballLastIntersecting = currentIntersecting;
	if (ballLastY >= 0 && ball.y > 2732) {
		LK.showGameOver();
	}
	spawnCounter++;
	if (spawnCounter % 120 === 0) {
		var randomType = Math.random();
		if (randomType < 0.4) {
			var bonusSmall = game.addChild(new BonusSmall());
			bonusSmall.x = Math.random() * 1948 + 50;
			bonusSmall.y = -40;
			bonusSmall.lastY = bonusSmall.y;
			bonusObjects.push(bonusSmall);
		} else if (randomType < 0.8) {
			var bonusLarge = game.addChild(new BonusLarge());
			bonusLarge.x = Math.random() * 1948 + 50;
			bonusLarge.y = -50;
			bonusLarge.lastY = bonusLarge.y;
			bonusObjects.push(bonusLarge);
		} else {
			var penalty = game.addChild(new Penalty());
			penalty.x = Math.random() * 1946 + 50;
			penalty.y = -45;
			penalty.lastY = penalty.y;
			penaltyObjects.push(penalty);
		}
	}
	for (var b = bonusObjects.length - 1; b >= 0; b--) {
		var bonus = bonusObjects[b];
		if (bonus.y > 2732) {
			bonus.destroy();
			bonusObjects.splice(b, 1);
			continue;
		}
		var bonusLastIntersecting = bonus.lastWasIntersecting === undefined ? false : bonus.lastWasIntersecting;
		var currentBonusIntersecting = bonus.intersects(paddle);
		if (!bonusLastIntersecting && currentBonusIntersecting) {
			LK.setScore(LK.getScore() + bonus.pointValue);
			scoreTxt.setText(LK.getScore());
			bonus.destroy();
			bonusObjects.splice(b, 1);
			continue;
		}
		bonus.lastWasIntersecting = currentBonusIntersecting;
	}
	for (var p = penaltyObjects.length - 1; p >= 0; p--) {
		var penaltyObj = penaltyObjects[p];
		if (penaltyObj.y > 2732) {
			penaltyObj.destroy();
			penaltyObjects.splice(p, 1);
			continue;
		}
		var penaltyLastIntersecting = penaltyObj.lastWasIntersecting === undefined ? false : penaltyObj.lastWasIntersecting;
		var currentPenaltyIntersecting = penaltyObj.intersects(ball);
		if (!penaltyLastIntersecting && currentPenaltyIntersecting) {
			LK.showGameOver();
			return;
		}
		penaltyObj.lastWasIntersecting = currentPenaltyIntersecting;
	}
	ballLastY = ball.y;
};

===================================================================
--- original.js
+++ change.js
@@ -139,13 +139,22 @@
 	}
 	if (paddle.y > 2712) {
 		paddle.y = 2712;
 	}
+	if (ballLastY >= 0 && ball.y > 2732) {
+		LK.showGameOver();
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	handleMove(x, y, obj);
+};
+game.update = function () {
 	var paddleTop = paddle.y - 20;
 	var paddleBottom = paddle.y + 20;
 	var paddleLeft = paddle.x - 75;
 	var paddleRight = paddle.x + 75;
-	var ballRadius = 25;
+	var ballRadius = 40;
 	var ballCenterX = ball.x;
 	var ballCenterY = ball.y;
 	var paddleCenterX = paddle.x;
 	var ballMovedDownward = ballLastY < ballCenterY;
@@ -164,18 +173,8 @@
 	ballLastIntersecting = currentIntersecting;
 	if (ballLastY >= 0 && ball.y > 2732) {
 		LK.showGameOver();
 	}
-	ballLastY = ballCenterY;
-}
-game.move = handleMove;
-game.down = function (x, y, obj) {
-	handleMove(x, y, obj);
-};
-game.update = function () {
-	if (ballLastY >= 0 && ball.y > 2732) {
-		LK.showGameOver();
-	}
 	spawnCounter++;
 	if (spawnCounter % 120 === 0) {
 		var randomType = Math.random();
 		if (randomType < 0.4) {