/**** 
* Classes
****/ 
// Assets will be automatically generated based on usage in the code.
// Ball class for the basketball
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = 0;
	self.speedY = 0;
	self.move = function () {
		self.x += self.speedX;
		self.y += self.speedY;
	};
	self.reset = function () {
		self.x = game.width / 2;
		self.y = game.height - 200;
		self.speedX = 0;
		self.speedY = 0;
		hoop.setPosition(Math.random() * game.width, Math.random() * game.height);
	};
});
// Hoop class for the basketball hoop
var Hoop = Container.expand(function () {
	var self = Container.call(this);
	var hoopGraphics = self.attachAsset('hoop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setPosition = function (x, y) {
		self.x = x;
		self.y = y;
	};
});
// Obstacle class for the game ending obstacles
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background 
});

/**** 
* Game Code
****/ 
var ball = game.addChild(new Ball());
var hoop = game.addChild(new Hoop());
var obstacle = game.addChild(new Obstacle());
obstacle.x = Math.random() * game.width;
obstacle.y = Math.random() * game.height;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
// Set initial positions
ball.reset();
hoop.setPosition(game.width / 2, 100);
// Score variable
var score = 0;
// Touch event to launch the ball
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	var dx = pos.x - ball.x;
	var dy = pos.y - ball.y;
	var distance = Math.sqrt(dx * dx + dy * dy);
	ball.speedX = dx / distance * 10;
	ball.speedY = dy / distance * 10;
});
// Game tick event
LK.on('tick', function () {
	ball.move();
	// Check for collision with hoop
	if (ball.intersects(hoop)) {
		score += 1;
		scoreTxt.setText(score.toString());
		ball.reset();
	}
	// Check for collision with obstacle
	if (ball.intersects(obstacle)) {
		LK.showGameOver();
	}
	// Move the obstacle around the screen
	obstacle.x += Math.cos(LK.ticks / 60) * 5;
	obstacle.y += Math.sin(LK.ticks / 60) * 5;
	// Reset ball if it goes off screen
	if (ball.y < -50 || ball.y > game.height + 50 || ball.x < -50 || ball.x > game.width + 50) {
		ball.reset();
	}
	// Wrap obstacle around screen
	if (obstacle.x < -50) {
		obstacle.x = game.width + 50;
	}
	if (obstacle.x > game.width + 50) {
		obstacle.x = -50;
	}
	if (obstacle.y < -50) {
		obstacle.y = game.height + 50;
	}
	if (obstacle.y > game.height + 50) {
		obstacle.y = -50;
	}
});

===================================================================
--- original.js
+++ change.js
@@ -90,9 +90,25 @@
 	// Check for collision with obstacle
 	if (ball.intersects(obstacle)) {
 		LK.showGameOver();
 	}
+	// Move the obstacle around the screen
+	obstacle.x += Math.cos(LK.ticks / 60) * 5;
+	obstacle.y += Math.sin(LK.ticks / 60) * 5;
 	// Reset ball if it goes off screen
 	if (ball.y < -50 || ball.y > game.height + 50 || ball.x < -50 || ball.x > game.width + 50) {
 		ball.reset();
 	}
+	// Wrap obstacle around screen
+	if (obstacle.x < -50) {
+		obstacle.x = game.width + 50;
+	}
+	if (obstacle.x > game.width + 50) {
+		obstacle.x = -50;
+	}
+	if (obstacle.y < -50) {
+		obstacle.y = game.height + 50;
+	}
+	if (obstacle.y > game.height + 50) {
+		obstacle.y = -50;
+	}
 });
\ No newline at end of file