/**** 
* Classes
****/ 
// Assets will be automatically created based on usage in the code.
// Bird class
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedY = 5;
	self.flyUp = false;
	self.move = function () {
		// Bird falls down
		self.y += self.speedY;
		// If bird is flying up, decrease its y position
		if (self.flyUp) {
			self.speedY -= 10;
			if (self.speedY <= -10) {
				self.flyUp = false;
			}
		} else {
			self.speedY += 10;
			if (self.speedY > 300) {
				self.speedY = 300;
			}
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Light blue background to simulate sky
});

/**** 
* Game Code
****/ 
var bird = game.addChild(new Bird());
bird.x = 350; // Start in the middle of the screen horizontally
bird.y = 1366; // Start in the middle of the screen vertically
// Add touch event listener to make bird move up and down smoothly
game.on('down', function (obj) {
	bird.flyUp = true;
});
LK.on('tick', function () {
	bird.move();
	// Check if bird has fallen off the screen or risen above the screen
	if (bird.y > 2732 || bird.y < 0) {
		// Flash screen red for 1 second (1000ms) to show game over.
		LK.effects.flashScreen(0xff0000, 1000);
		// Show game over. The game will be automatically paused while game over is showing.
		LK.showGameOver();
	}
});
// Initialize bird and obstacles
// Yellow bird
// Brown obstacles