/**** 
* Classes
****/ 
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var topObstacle = self.attachAsset('obstacleTop', {
		anchorX: 0.5,
		anchorY: 1,
		scaleY: 2732 / 60
	});
	var bottomObstacle = self.attachAsset('obstacleBottom', {
		anchorX: 0.5,
		anchorY: 0,
		scaleY: 2732 / 60
	});
	self.gap = 500;
	bottomObstacle.y = topObstacle.y + topObstacle.height + self.gap;
	self.move = function () {
		self.x -= 4;
	};
});
// Assets will be automatically generated based on usage in the code.
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	self.velocityY = 0;
	self.gravity = 0.25;
	self.lift = -8;
	self.flap = function () {
		self.velocityY = self.lift;
		// Add a bounce animation to the player when it jumps
		var bounce = 0.5;
		var bounceInterval = LK.setInterval(function () {
			bounce *= -1;
			self.y += bounce;
			if (bounce < 0.05 && bounce > -0.05) {
				LK.clearInterval(bounceInterval);
			}
		}, 50);
		// Add a scale animation to make the bounce more visible
		var scale = 1;
		var scaleInterval = LK.setInterval(function () {
			scale *= -1;
			self.scaleX += scale * 0.1;
			self.scaleY += scale * 0.1;
			if (scale < 0.05 && scale > -0.05) {
				LK.clearInterval(scaleInterval);
				self.scaleX = 1;
				self.scaleY = 1;
			}
		}, 50);
		// Change the player asset to 'player2' when it jumps
		self.attachAsset('player2', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 2,
			scaleY: 2
		});
		// Change the player asset back to 'player' after 0.5 seconds
		LK.setTimeout(function () {
			self.attachAsset('player', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 2,
				scaleY: 2
			});
		}, 500);
	};
	self.update = function () {
		self.velocityY += self.gravity;
		self.y += self.velocityY * 2;
		if (self.y > 2732 || self.y < 0) {
			self.y = self.y > 2732 ? 2732 : 0;
			self.velocityY = 0;
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	};
});

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

/**** 
* Game Code
****/ 
var player = game.addChild(new Player());
player.x = 2048 / 4;
player.y = 2732 / 2;
var obstacles = [];
var score = 0;
var scoreBar = LK.gui.top.addChild(new Container());
scoreBar.width = 2048;
scoreBar.height = 100;
scoreBar.backgroundColor = 0x000000;
var scoreTxt = scoreBar.addChild(new Text2(score.toString(), {
	size: 150,
	fill: "#ffffff"
}));
scoreTxt.anchor.set(0.5, 0.5);
scoreTxt.x = scoreBar.width / 2;
scoreTxt.y = scoreBar.height / 2;
function spawnObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = 2048;
	obstacle.y = Math.floor(Math.random() * (2732 - obstacle.gap));
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
LK.on('tick', function () {
	player.update();
	if (LK.ticks % 300 == 0) {
		spawnObstacle();
	}
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].move();
		if (obstacles[i].x + obstacles[i].width < 0) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
		if (obstacles[i].x + obstacles[i].width < player.x && !obstacles[i].scored) {
			score += 1;
			scoreTxt.setText(score.toString());
			obstacles[i].scored = true;
		}
		if (player.intersects(obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
});
game.on('down', function () {
	player.flap();
});