/**** 
* Classes
****/ 
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('orbs', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (explosionGraphics.scale.x < 2) {
			explosionGraphics.scale.x += 0.04;
			explosionGraphics.scale.y += 0.04;
			explosionGraphics.alpha -= 0.04;
		} else {
			self.destroy();
		}
	};
});
var SpinningSquare = Container.expand(function () {
	var self = Container.call(this);
	var squareGraphics = self.attachAsset('square', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	squareGraphics.tint = Math.floor(Math.random() * 0xFFFFFF);
	self.score = squareGraphics.tint / 0x222222 * 10;
	squareGraphics.blendMode = 1;
	self.rotationSpeed = 0.01;
	self.rotate = function () {
		self.rotation += self.rotationSpeed;
	};
	self.originalX = 0;
	self.originalY = 0;
	self.velocityX = 0;
	self.velocityY = 0;
});

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

/**** 
* Game Code
****/ 
LK.setScore(0);
var spinningSquares = [];
var lastTouchTime = LK.ticks;
for (var i = 0; i < 420; i++) {
	var spinningSquare = game.addChild(new SpinningSquare());
	spinningSquare.x = Math.random() * 2048;
	spinningSquare.y = Math.random() * 2732 * 0.85 + 2732 * 0.15;
	spinningSquare.rotation = Math.atan2(spinningSquare.y - 2732 / 2, spinningSquare.x - 2048 / 2);
	spinningSquare.originalX = spinningSquare.x;
	spinningSquare.originalY = spinningSquare.y;
	spinningSquares.push(spinningSquare);
}
game.drag = function (obj) {
	var event = obj.event;
	var pos = game.toLocal(event.global);
	lastTouchTime = LK.ticks;
	for (var i = 0; i < spinningSquares.length; i++) {
		var dx = spinningSquares[i].x - pos.x;
		var dy = spinningSquares[i].y - pos.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 200) {
			spinningSquares[i].bounceBack = true;
			spinningSquares[i].bounceBackX = dx * 1.5;
			spinningSquares[i].bounceBackY = dy * 1.5;
			if (spinningSquares[i].squareGraphics && spinningSquares[i].squareGraphics.tint == 0xFF0000) {
				LK.setScore(LK.getScore() - 2);
			} else {
				LK.setScore(LK.getScore() + 1);
			}
			scoreBar.setText(LK.getScore().toString());
			var explosion = game.addChild(new Explosion());
			explosion.x = spinningSquares[i].x;
			explosion.y = spinningSquares[i].y;
			spinningSquares[i].destroy();
			spinningSquares.splice(i, 1);
			LK.setTimeout(function () {
				var spinningSquare = game.addChild(new SpinningSquare());
				spinningSquare.x = Math.random() * 2048;
				spinningSquare.y = Math.random() * 2732 * 0.85 + 2732 * 0.15;
				spinningSquare.rotation = Math.atan2(spinningSquare.y - 2732 / 2, spinningSquare.x - 2048 / 2);
				spinningSquare.originalX = spinningSquare.x;
				spinningSquare.originalY = spinningSquare.y;
				spinningSquares.push(spinningSquare);
			}, Math.random() * 1000);
		}
	}
};
// Create a black filter for the score
var scoreFilter = LK.getAsset('square', {
	anchorX: 0.5,
	anchorY: 0,
	scaleX: 2,
	scaleY: 0.1,
	tint: 0x000000
});
LK.gui.top.addChild(scoreFilter);
// Create a score bar
var scoreBar = new Text2('0', {
	size: 128,
	fill: 0xFFFFFF
});
scoreBar.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreBar);
game.on('down', function (x, y, obj) {
	obj.event = obj;
	game.drag(obj);
});
game.on('move', function (x, y, obj) {
	obj.event = obj;
	game.drag(obj);
});
LK.on('tick', function () {
	for (var i = 0; i < spinningSquares.length; i++) {
		spinningSquares[i].rotationSpeed = 0.007;
		spinningSquares[i].rotate();
		if (spinningSquares[i].bounceBack) {
			spinningSquares[i].x += spinningSquares[i].bounceBackX * 0.1;
			spinningSquares[i].y += spinningSquares[i].bounceBackY * 0.1;
			spinningSquares[i].bounceBackX *= 0.9;
			spinningSquares[i].bounceBackY *= 0.9;
			if (Math.abs(spinningSquares[i].bounceBackX) < .025 && Math.abs(spinningSquares[i].bounceBackY) < .025) {
				if (LK.ticks - lastTouchTime > 60) {
					spinningSquares[i].bounceBack = false;
				}
			}
		}
		if (!spinningSquares[i].bounceBack) {
			var dx = spinningSquares[i].originalX - spinningSquares[i].x;
			var dy = spinningSquares[i].originalY - spinningSquares[i].y;
			spinningSquares[i].velocityX += dx * 0.01;
			spinningSquares[i].velocityY += dy * 0.01;
			spinningSquares[i].x += spinningSquares[i].velocityX;
			spinningSquares[i].y += spinningSquares[i].velocityY;
			spinningSquares[i].velocityX *= 0.9;
			spinningSquares[i].velocityY *= 0.9;
		}
	}
});