/**** 
* Classes
****/ 
var Arrow = Container.expand(function () {
	var self = Container.call(this);
	var arrowGraphics = self.attachAsset('arrow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	arrowGraphics.rotation = -135 * (Math.PI / 180);
	self.speed = 30 * 0.85;
	self.gravity = 0.2 * 1.3 * 0.9 * 0.9 * 0.9 * 0.5;
	self.velocityY = 0;
	self._move_migrated = function () {
		self.x += self.speed * Math.cos(self.rotation);
		self.y += self.speed * Math.sin(self.rotation) + self.velocityY;
		self.velocityY += self.gravity;
		self.rotation += 0.01 * 1.5;
	};
});
var Firework = Container.expand(function () {
	var self = Container.call(this);
	var fireworkGraphics = self.attachAsset('firework', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	LK.setTimeout(function () {
		self.destroy();
	}, 1000);
});
var FireworkParticle = Container.expand(function (startX, startY) {
	var self = Container.call(this);
	var fireworkGraphics = self.attachAsset('firework', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = startX;
	self.y = startY;
	var endX = Math.random() * 2048;
	var endY = Math.random() * (2732 - 600) + 300;
	var travelTime = 50;
	var startTime = LK.ticks;
	self.animate = function () {
		var currentTime = LK.ticks;
		var progress = (currentTime - startTime) / travelTime;
		if (progress >= 1) {
			self.destroy();
		}
		self.x = startX + (endX - startX) * progress;
		self.y = startY + (endY - startY) * progress;
		self.scale.x = 1 - progress;
		self.scale.y = 1 - progress;
	};
	LK.on('tick', self.animate);
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	Player.prototype.easeAndMoveVertical = function (newX, newY) {
		var startTime = LK.ticks;
		var duration = 30;
		var startX = self.x;
		var startY = self.y;
		var deltaX = newX - startX;
		var deltaY = newY - startY;
		var easingComplete = false;
		LK.on('tick', function () {
			var currentTime = LK.ticks;
			var progress = (currentTime - startTime) / duration;
			if (progress < 1) {
				self.x = startX + deltaX * progress;
				self.y = startY + deltaY * progress;
			} else if (!easingComplete) {
				self.x = newX;
				self.y = newY;
				easingComplete = true;
			}
		});
	};
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var SmokeParticle = Container.expand(function (startX, startY) {
	var self = Container.call(this);
	var smokeGraphics = self.attachAsset('smoke', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = startX;
	self.y = startY;
	var scale = 1;
	var scaleRate = 1 / (1 * 60);
	self.animate = function () {
		scale -= scaleRate;
		if (scale <= 0) {
			self.destroy();
			return;
		}
		self.scale.x = scale;
		self.scale.y = scale;
	};
	LK.on('tick', self.animate);
});
var Target = Container.expand(function () {
	var self = Container.call(this);
	self.easeAndMoveVertical = function (newX, newY) {
		var startTime = LK.ticks;
		var duration = 30;
		var startX = self.x;
		var startY = self.y;
		var deltaX = newX - startX;
		var deltaY = newY - startY;
		var easingComplete = false;
		LK.on('tick', function () {
			var currentTime = LK.ticks;
			var progress = (currentTime - startTime) / duration;
			if (progress < 1) {
				self.x = startX + deltaX * progress;
				self.y = startY + deltaY * progress;
			} else if (!easingComplete) {
				self.x = newX;
				self.y = newY;
				easingComplete = true;
				self.startVerticalMovement();
			}
		});
	};
	self.startVerticalMovement = function () {
		self.direction = 1;
		self.speed = 4;
	};
	var targetGraphics = self.attachAsset('target', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	targetGraphics.scale.x = -1;
	self.speed = 2;
	self.direction = 1;
	self._move_migrated = function () {
		self.y += self.speed * self.direction;
		if (self.y >= 2732 * .75 - self.height / 2 || self.y <= 2732 * .24 + self.height / 2) {
			self.direction *= -1;
		}
	};
});

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

/**** 
* Game Code
****/ 
var bg = game.attachAsset('background', {});
bg.width = 2048;
bg.height = 2732;
var arrows = [];
var targets = [];
var score = 0;
var arrowCount = 5;
var arrowCountTxt = new Text2('Arrows: ' + arrowCount, {
	size: 100,
	fill: "#ffffff"
});
arrowCountTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(arrowCountTxt);
var scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: "#ffffff"
});
scoreTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(scoreTxt);
scoreTxt.y = arrowCountTxt.y;
var player = game.addChild(new Player());
player.x = 150;
player.y = 2732 / 2;
var target = game.addChild(new Target());
target.x = 2048 - target.width / 2;
target.y = 2732 / 2;
var arrow;
game.on('move', function (x, y, obj) {
	var event = obj;
	var pos = game.toLocal(event.global);
	var dx = pos.x - player.x;
	var dy = pos.y - player.y;
	var angle = Math.atan2(dy, dx);
	player.rotation = angle;
});
game.on('up', function (x, y, obj) {
	if (arrowCount > 0) {
		arrow = game.addChild(new Arrow());
		arrow.x = player.x;
		arrow.y = player.y;
		arrow.rotation = player.rotation - Math.PI / 6 + 5 * (Math.PI / 180);
		arrows.push(arrow);
	}
});
LK.on('tick', function () {
	target._move_migrated();
	for (var a = arrows.length - 1; a >= 0; a--) {
		var smoke = new SmokeParticle(arrows[a].x, arrows[a].y);
		game.addChildAt(smoke, game.getChildIndex(arrows[a]));
		arrows[a]._move_migrated();
		if (arrows[a].x > 2048) {
			arrowCount--;
			arrows[a].destroy();
			arrows.splice(a, 1);
			arrowCountTxt.setText('Arrows: ' + arrowCount);
			if (arrowCount == 0) {
				LK.showGameOver();
			}
		}
		if (arrows[a] && arrows[a].intersects(target) && arrows[a].y > target.y - target.height / 4 && arrows[a].y < target.y + target.height / 4) {
			score++;
			scoreTxt.setText('Score: ' + score);
			if (target.width > 50 && target.height > 50) {
				target.scale.x *= 0.95;
				target.scale.y *= 0.95;
			}
			target.speed *= 1.2;
			var newX = Math.random() * (2048 * 0.2) + 2048 * 0.7;
			var newY = Math.random() * (2732 / 2 + 300 - (2732 / 2 - 300)) + 2732 / 2 - 300;
			target.easeAndMoveVertical(newX, newY);
			for (var i = 0; i < 10; i++) {
				game.addChild(new FireworkParticle(arrows[a].x, arrows[a].y));
			}
			arrows[a].destroy();
			arrows.splice(a, 1);
			var newPlayerX = Math.random() * (400 - 100) + 100;
			var newPlayerY = Math.random() * (2732 / 2 + 300 - (2732 / 2 - 300)) + 2732 / 2 - 300;
			player.easeAndMoveVertical(newPlayerX, newPlayerY);
		}
	}
});