var Target = Container.expand(function () {
	var self = Container.call(this);
	var targetGraphics = self.createAsset('target', 'Moving Target', .5, .5);
	self.speed = 5;
	self.direction = 1;
	self.move = function () {
		self.x += self.speed * self.direction;
		if (self.x <= 0 || self.x >= 2048) {
			self.direction *= -1;
		}
	};
});
var Axe = Container.expand(function () {
	var self = Container.call(this);
	var axeGraphics = self.createAsset('axe', 'Thrown Axe', .5, .5);
	self.speed = 20;
	self.move = function () {
		self.y -= self.speed;
		self.rotation += 0.1;
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var background = self.createAsset('green_grass_field', 'Green Grassy Field Background', 0, 0);
	background.width = 2048;
	background.height = 2732;
	var targets = [];
	var axes = [];
	var score = 0;
	var kills = 0;
	var targetSpeed = 5;
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff",
		font: "Impact",
		dropShadow: true,
		dropShadowColor: "#000000"
	});
	scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(scoreTxt);
	var spawnTargets = function () {
		for (var i = 0; i < 3; i++) {
			var target = self.addChild(new Target());
			target.speed = targetSpeed;
			target.x = Math.random() * 2048;
			target.y = Math.random() * (2732 - target.height * 2);
			targets.push(target);
		}
	};
	LK.on('tick', function () {
		if (targets.length == 0) {
			spawnTargets();
		}
	});
	var axe;
	stage.on('down', function (obj) {
		var pos = obj.event.getLocalPosition(self);
		axe = self.addChild(new Axe());
		axe.x = pos.x;
		axe.y = 2732 - axe.height;
		axes.push(axe);
	});
	LK.on('tick', function () {
		for (var i = 0; i < targets.length; i++) {
			targets[i].move();
		}
		for (var i = 0; i < axes.length; i++) {
			axes[i].move();
			if (axes[i].y < -50) {
				axes[i].destroy();
				axes.splice(i, 1);
			}
			if (axes[i].y <= 0) {
				LK.showGameOver();
			}
		}
		for (var i = 0; i < axes.length; i++) {
			for (var j = 0; j < targets.length; j++) {
				if (axes[i].intersects(targets[j])) {
					var distance = Math.sqrt(Math.pow(axes[i].x - targets[j].x, 2) + Math.pow(axes[i].y - targets[j].y, 2));
					score += Math.max(0, 100 - distance) + 50;
					scoreTxt.setText(score);
					axes[i].destroy();
					axes.splice(i, 1);
					targets[j].destroy();
					targets.splice(j, 1);
					kills++;
					if (kills % 3 == 0) {
						targetSpeed += 1;
					}
					break;
				}
			}
		}
	});
});

var Target = Container.expand(function () {
	var self = Container.call(this);
	var targetGraphics = self.createAsset('target', 'Moving Target', .5, .5);
	self.speed = 5;
	self.direction = 1;
	self.move = function () {
		self.x += self.speed * self.direction;
		if (self.x <= 0 || self.x >= 2048) {
			self.direction *= -1;
		}
	};
});
var Axe = Container.expand(function () {
	var self = Container.call(this);
	var axeGraphics = self.createAsset('axe', 'Thrown Axe', .5, .5);
	self.speed = 20;
	self.move = function () {
		self.y -= self.speed;
		self.rotation += 0.1;
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var background = self.createAsset('green_grass_field', 'Green Grassy Field Background', 0, 0);
	background.width = 2048;
	background.height = 2732;
	var targets = [];
	var axes = [];
	var score = 0;
	var kills = 0;
	var targetSpeed = 5;
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff",
		font: "Impact",
		dropShadow: true,
		dropShadowColor: "#000000"
	});
	scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(scoreTxt);
	var spawnTargets = function () {
		for (var i = 0; i < 3; i++) {
			var target = self.addChild(new Target());
			target.speed = targetSpeed;
			target.x = Math.random() * 2048;
			target.y = Math.random() * (2732 - target.height * 2);
			targets.push(target);
		}
	};
	LK.on('tick', function () {
		if (targets.length == 0) {
			spawnTargets();
		}
	});
	var axe;
	stage.on('down', function (obj) {
		var pos = obj.event.getLocalPosition(self);
		axe = self.addChild(new Axe());
		axe.x = pos.x;
		axe.y = 2732 - axe.height;
		axes.push(axe);
	});
	LK.on('tick', function () {
		for (var i = 0; i < targets.length; i++) {
			targets[i].move();
		}
		for (var i = 0; i < axes.length; i++) {
			axes[i].move();
			if (axes[i].y < -50) {
				axes[i].destroy();
				axes.splice(i, 1);
			}
			if (axes[i].y <= 0) {
				LK.showGameOver();
			}
		}
		for (var i = 0; i < axes.length; i++) {
			for (var j = 0; j < targets.length; j++) {
				if (axes[i].intersects(targets[j])) {
					var distance = Math.sqrt(Math.pow(axes[i].x - targets[j].x, 2) + Math.pow(axes[i].y - targets[j].y, 2));
					score += Math.max(0, 100 - distance) + 50;
					scoreTxt.setText(score);
					axes[i].destroy();
					axes.splice(i, 1);
					targets[j].destroy();
					targets.splice(j, 1);
					kills++;
					if (kills % 3 == 0) {
						targetSpeed += 1;
					}
					break;
				}
			}
		}
	});
});