/**** 
* Classes
****/
var Ball = Container.expand(function (assetName) {
	var self = Container.call(this);
	self.rotating = false;
	self.angle = 0;
	self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.rotateAround = function (otherBall) {
		self.angle += 0.05;
		self.rotation = self.angle + 1.57;
		otherBall.rotation = self.rotation + 3.14;
		self.x = otherBall.x + otherBall.width * 2 * Math.cos(self.angle);
		self.y = otherBall.y + otherBall.width * 2 * Math.sin(self.angle);
	};
});
var FirstPathStep = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('firstStep', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var LastPathStep = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('lastStep', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var Path = Container.expand(function () {
	var self = Container.call(this);
	self.pathSteps = [];
	self.pathPositions = [{
		x: 1024,
		y: 2400
	}, {
		x: 1024,
		y: 2200
	}, {
		x: 824,
		y: 2200
	}, {
		x: 824,
		y: 2000
	}, {
		x: 824,
		y: 1800
	}, {
		x: 1024,
		y: 1800
	}, {
		x: 1224,
		y: 1800
	} /*, {
		x: 1424,
		y: 1800
		}, {
		x: 1424,
		y: 2000
		}, {
		x: 1424,
		y: 2200
		}, {
		x: 1624,
		y: 2200
		}, {
		x: 1824,
		y: 2200
		}, {
		x: 1824,
		y: 2000
		}, {
		x: 1824,
		y: 1800
		}, {
		x: 1824,
		y: 1600
		}, {
		x: 1824,
		y: 1400
		}, {
		x: 1824,
		y: 1200
		}, {
		x: 1624,
		y: 1200
		}, {
		x: 1424,
		y: 1200
		}, {
		x: 1224,
		y: 1200
		}, {
		x: 1024,
		y: 1200
		}, {
		x: 824,
		y: 1200
		}, {
		x: 624,
		y: 1200
		}, {
		x: 624,
		y: 1000
		}, {
		x: 624,
		y: 800
		}, {
		x: 624,
		y: 600
		}, {
		x: 624,
		y: 400
		}, {
		x: 624,
		y: 200
		}, {
		x: 824,
		y: 200
		}, {
		x: 1024,
		y: 200
		}, {
		x: 1224,
		y: 200
		}, {
		x: 1424,
		y: 200
		}*/];
	self.addPathStep = function (position) {
		var step;
		if (self.curStep == 0) {
			step = self.addChild(new FirstPathStep());
		} else if (self.curStep == self.pathPositions.length - 1) {
			step = self.addChild(new LastPathStep());
		} else {
			step = self.addChild(new PathStep());
		}
		step.x = position.x;
		step.y = position.y;
		self.pathSteps.push(step);
	};
	self.curStep = 0;
	self.nextStep = function () {
		if (self.curStep < self.pathPositions.length) {
			self.addPathStep(self.pathPositions[self.curStep]);
			self.curStep++;
		}
	};
	self.setupPlayer = function (player) {
		for (var i = 0; i < 10; i++) {
			self.nextStep();
		}
		player.ball1.x = self.pathSteps[0].x;
		player.ball1.y = self.pathSteps[0].y;
		player.ball1.rotating = false;
		player.ball2.rotating = true;
	};
});
var PathStep = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('step', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var ball1 = self.addChild(new Ball('playerBall1'));
	var ball2 = self.addChild(new Ball('playerBall2'));
	ball2.rotating = true;
	self.move = function (x, y) {
		self.x = x;
		self.y = y;
	};
	self.click = function () {
		var tempRotating = ball1.rotating;
		ball1.rotating = ball2.rotating;
		ball2.rotating = tempRotating;
		if (ball1.rotating) {
			ball1.rotation = ball1.angle = Math.atan2(ball1.y - ball2.y, ball1.x - ball2.x);
		} else if (ball2.rotating) {
			ball2.rotation = ball2.angle = Math.atan2(ball2.y - ball1.y, ball2.x - ball1.x);
		}
		var onStep1 = false;
		var onStep2 = false;
		var smallPathStep = 9999;
		for (var i = 0; i < path.pathSteps.length; i++) {
			if (path.pathSteps[i] && path.pathSteps[i].intersects(ball1)) {
				onStep1 = true;
				smallPathStep = Math.min(smallPathStep, i);
			}
			if (path.pathSteps[i] && path.pathSteps[i].intersects(ball2)) {
				onStep2 = true;
				smallPathStep = Math.min(smallPathStep, i);
			}
		}
		if (!(onStep1 && onStep2)) {
			LK.showGameOver();
		} else {
			path.removeChild(path.pathSteps[smallPathStep]);
			path.pathSteps.splice(smallPathStep, 1);
			path.nextStep();
			if (path.pathSteps.length == 1) {
				path = new Path();
				path.setupPlayer(player);
				game.addChild(path);
			}
		}
	};
	self.rotate = function () {
		if (ball1.rotating) {
			ball1.rotateAround(ball2);
		} else if (ball2.rotating) {
			ball2.rotateAround(ball1);
		}
	};
});

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

/**** 
* Game Code
****/
// Initialize background stars
// Initialize obstacle asset
// Initialize player ship asset
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1366
}));
var player = new Player();
player.x = 1024; // Center horizontally
player.y = 2400; // Position towards the bottom
var path = new Path();
path.setupPlayer(player);
game.addChild(path);
game.addChild(player);
game.on('down', function (obj) {
	player.click();
});
LK.on('tick', function () {
	// Move obstacles
	player.rotate();
});