/**** 
* Classes
****/ 
var BloodSplatter = Container.expand(function () {
	var self = Container.call(this);
	var bloodSplatterGraphics = self.attachAsset('bloodSplatter', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bloodSplatterGraphics.rotation = Math.random() * 2 * Math.PI;
	self.despawn = function () {
		LK.setTimeout(function () {
			self.destroy();
		}, 3000);
	};
	self.despawn();
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.activate = function () {};
});
var Rat = Container.expand(function () {
	var self = Container.call(this);
	var ratGraphics = self.attachAsset('rat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Math.random() * 10 + 5;
	self._move_migrated = function () {
		self.y += self.speed;
		if (self.y >= 2732) {
			LK.showGameOver();
		}
	};
});
var Shuriken = Container.expand(function () {
	var self = Container.call(this);
	var shurikenGraphics = self.attachAsset('shuriken', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 50;
	self.rotationSpeed = 0.1;
	self._move_migrated = function () {
		;
		self.y -= self.speed;
		self.rotation += self.rotationSpeed;
	};
});

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

/**** 
* Game Code
****/ 
var background = game.attachAsset('wooden_floor', {});
background.width = 2048;
background.height = 2732;
background.isCollisionObject = false;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(.5, 0);
LK.gui.top.addChild(scoreTxt);
var shurikens = [];
var rats = [];
var powerUps = [];
var isGameOver = false;
var tickOffset = 0;
var score = 0;
var spawnRate = 1;
function init() {
	spawnRats();
}
function spawnRats() {
	var spawnRate = 1;
	var spawnTime = Math.random() * 2000 / spawnRate + 1000;
	LK.setTimeout(function () {
		var rat = new Rat();
		rat.x = Math.random() * 2048;
		rat.y = 0;
		rats.push(rat);
		game.addChild(rat);
		spawnRats();
	}, spawnTime);
}
function update() {
	for (var i = 0; i < rats.length; i++) {
		rats[i]._move_migrated();
	}
	for (var i = 0; i < shurikens.length; i++) {
		shurikens[i]._move_migrated();
	}
	checkCollision();
	updateScore();
	if (isGameOver) {
		gameOver();
	}
}
function gameOver() {}
function checkCollision() {
	for (var i = 0; i < shurikens.length; i++) {
		for (var j = 0; j < rats.length; j++) {
			if (shurikens[i].intersects(rats[j])) {
				game.removeChild(shurikens[i]);
				shurikens.splice(i, 1);
				game.removeChild(rats[j]);
				var bloodSplatter = new BloodSplatter();
				bloodSplatter.x = rats[j].x;
				bloodSplatter.y = rats[j].y;
				game.addChild(bloodSplatter);
				bloodSplatter.despawn();
				rats.splice(j, 1);
				score++;
				break;
			}
		}
	}
}
function updateScore() {
	scoreTxt.setText(score);
	if (score % 10 == 0 && score != 0) {
		spawnRate *= 2;
	}
}
var lastShotTime = 0;
var shotLimit = 3;
game.on('down', function (x, y, obj) {
	if (LK.ticks - lastShotTime >= 60 / shotLimit) {
		var shuriken = new Shuriken();
		shuriken.x = game.toLocal(obj.global).x;
		shuriken.y = 2732;
		shurikens.push(shuriken);
		game.addChild(shuriken);
		lastShotTime = LK.ticks;
	}
});
game.on('move', function (x, y, obj) {});
game.on('up', function (x, y, obj) {});
LK.on('tick', function () {
	update();
	for (var i = 0; i < rats.length; i++) {
		rats[i]._move_migrated();
	}
	for (var i = 0; i < shurikens.length; i++) {
		shurikens[i]._move_migrated();
	}
	checkCollision();
	updateScore();
	if (isGameOver) {
		gameOver();
	}
});
init();