var Particle = Container.expand(function () {
	var self = Container.call(this);
	self.interactive = false;
	var particleGraphics = self.createAsset('fireParticle', 'Fire Particle', 0.5, 0.5);
	particleGraphics.blendMode = 1;
	self.lifeSpan = 60;
	self.speed = {
		x: (Math.random() - 0.5) * 2,
		y: (Math.random() - 0.5) * 2
	};
	self.scale.set(Math.random() * 0.6 + 0.2);
	self.rotation = Math.random() * Math.PI * 2;
	self.move = function () {
		self.x += self.speed.x;
		self.y += self.speed.y;
		self.alpha -= 0.03;
		if (self.alpha <= 0) self.destroy();
	};
});
var Ball = Container.expand(function () {
	var self = Container.call(this);
	self.hasScored = false;
	self.hasBounced = false;
	var ballGraphics = LK.getAsset('ball', 'Basketball', .5, .5);
	self.addChild(ballGraphics);
	self.speed = {
		x: 0,
		y: 0
	};
	self.hasThrown = false;
	self.move = function () {
		self.speed.y += 3.2;
		self.x += self.speed.x;
		self.y += self.speed.y;
		self.rotation += self.speed.x * 0.01;
		if (self.hasThrown) {
			var targetScale = 0.8;
			self.scale.x += (targetScale - self.scale.x) * 0.05;
			self.scale.y += (targetScale - self.scale.y) * 0.05;
		}
		if (self.hasScored) {
			self.alpha -= 0.15;
		} else {
			self.alpha += 0.15;
			if (self.alpha > 1) self.alpha = 1;
		}
	};
	self.bounceOffPoint = function (x, y, elasticity) {
		var dx = self.x - x;
		var dy = self.y - y;
		var angle = Math.atan2(dy, dx);
		var speed = Math.sqrt(self.speed.x * self.speed.x + self.speed.y * self.speed.y);
		self.speed.x = Math.cos(angle) * speed * elasticity;
		self.speed.y = Math.sin(angle) * speed * elasticity;
	};
	self.angleTo = function (x, y) {
		var dx = self.x - x;
		var dy = self.y - y;
		return Math.atan2(dy, dx);
	};
	self.distanceTo = function (x, y) {
		var dx = self.x - x;
		var dy = self.y - y;
		return Math.sqrt(dx * dx + dy * dy);
	};
	self.moveToDistance = function (x, y, distance) {
		var angle = self.angleTo(x, y);
		self.x = x + Math.cos(angle) * (distance * 1.05);
		self.y = y + Math.sin(angle) * (distance * 1.05);
	};
});
var Hoop = Container.expand(function () {
	var self = Container.call(this);
	self.setScore = function (score) {
		self.scoreLabel.setText(score.toString());
	};
	self.moveTo = function (newX, newY, hoopRim) {
		var dx = (newX - self.x) / 60;
		var dy = (newY - self.y) / 60;
		var steps = 0;
		var interval = LK.setInterval(function () {
			self.x += dx;
			self.y += dy;
			steps++;
			if (steps >= 60) {
				LK.clearInterval(interval);
			}
		});
	};
	var backboardGraphics = LK.getAsset('backboard', 'Basketball Backboard', .5, .5);
	backboardGraphics.y -= 250;
	self.addChild(backboardGraphics);
	self.hoopRimGraphics = LK.getAsset('hoopRim', 'Basketball Hoop Rim', .5, .5);
	self.hoopRimGraphics.y = backboardGraphics.height / 2 - 550 + 20 + 120 + 150 - 300 - 100;
	self.hoopRimGraphics.alpha = 0;
	self.addChild(self.hoopRimGraphics);
	self.leftElement = LK.getAsset('leftElement', 'Left Side Element', .5, .5);
	self.leftElement.x = self.hoopRimGraphics.x - self.hoopRimGraphics.width / 2 + self.leftElement.width / 2 - 50;
	self.leftElement.y = self.hoopRimGraphics.y - 600;
	self.leftElement.alpha = 0;
	self.addChild(self.leftElement);
	self.rightElement = LK.getAsset('rightElement', 'Right Side Element', .5, .5);
	self.rightElement.x = self.hoopRimGraphics.x + self.hoopRimGraphics.width / 2 - self.rightElement.width / 2 + 50;
	self.rightElement.y = self.hoopRimGraphics.y - 600;
	self.rightElement.alpha = 0;
	self.addChild(self.rightElement);
	self.hoopOutlineGraphics = LK.getAsset('hoopOutline', 'Basketball Hoop Outline', 1, .5);
	self.hoopOutlineGraphics.y = self.hoopRimGraphics.y - 630;
	self.hoopOutlineGraphics.alpha = 1;
	self.hoopOutlineGraphics.rotation = Math.PI / 2;
	self.hoopOutlineGraphics.dropShadow = false;
	self.addChild(self.hoopOutlineGraphics);
	self.multiplierLabel = new Text2('', {
		size: 200,
		fill: '#8d4529',
		font: 'Impact',
		dropShadow: true,
		dropShadowColor: '#000000',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 6
	});
	self.multiplierLabel.anchor.set(.5, 1);
	self.multiplierLabel.x = self.hoopRimGraphics.x;
	self.multiplierLabel.y = self.hoopRimGraphics.y - 250 - 50 + 30;
	self.addChild(self.multiplierLabel);
	self.scoreLabel = new Text2('0', {
		size: 270,
		fill: '#ffffff',
		font: 'Impact',
		dropShadow: true,
		dropShadowColor: '#000000',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 6
	});
	self.scoreLabel.anchor.set(.5, .5);
	self.scoreLabel.x = self.hoopRimGraphics.x;
	self.scoreLabel.y = self.hoopRimGraphics.y - 250 - 20 - 420 + 200 + 600;
	self.addChild(self.scoreLabel);
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var bg = LK.getAsset('background', 'Background Image', 0.5, 0.5);
	bg.x = 2048 / 2;
	bg.y = 2732 / 2 + 150;
	bg.alpha = 0.7;
	self.addChild(bg);
	var hoop = self.addChild(new Hoop());
	var score = 0;
	var scoreMultiplier = 1;
	var ballShadow = LK.getAsset('ballShadow', 'Ball Shadow', .5, .5);
	ballShadow.alpha = 0.5;
	self.addChild(ballShadow);
	var ball = self.addChild(new Ball());
	ball.hitElement = '';
	hoop.x = 2048 / 2;
	hoop.y = 2732 / 2 - 100;
	hoop.hoopRimGraphics.x = hoop.x;
	hoop.hoopRimGraphics.y = hoop.y + hoop.children[1].y - 650;
	ball.x = 2048 / 2;
	ball.on('down', function (obj) {
		if (!ball.hasThrown) {
			var event = obj.event;
			dragStart = event.getLocalPosition(self);
		}
	});
	var dragStart = null;
	stage.on('move', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		if (dragStart !== null && ball.distanceTo(pos.x, pos.y) > 400) {
			self.fireBall(obj);
		}
	});
	self.fireBall = function (obj) {
		if (dragStart !== null) {
			var event = obj.event;
			var pos = event.getLocalPosition(self);
			var dx = pos.x - dragStart.x;
			var dy = pos.y - dragStart.y;
			var angle = Math.atan2(dy, dx);
			ball.speed.x = Math.cos(angle) * 72 * 1.76 * 0.9 / 3;
			ball.speed.y = Math.sin(angle) * 72 * 1.76 * 0.9;
			ball.hasThrown = true;
			ball.hitElement = '';
			self.removeChild(ball);
			self.addChild(ball);
			dragStart = null;
		}
	};
	stage.on('up', function (obj) {
		if (dragStart !== null) {
			var event = obj.event;
			var pos = event.getLocalPosition(self);
			var distance = Math.sqrt(Math.pow(pos.x - dragStart.x, 2) + Math.pow(pos.y - dragStart.y, 2));
			if (distance > 150) {
				self.fireBall(obj);
			}
		}
		dragStart = null;
	});
	var floorY = 2732 - 40 + 900 * (ball.scale.y - 1);
	ball.y = floorY - ball.height;
	LK.on('tick', function () {
		if (scoreMultiplier === 3) {
			for (var i = 0; i < 2; i++) {
				var particle = new Particle();
				particle.alpha = ball.alpha;
				var angle = Math.random() * Math.PI * 2;
				var radius = ball.width * 0.5 * Math.sqrt(Math.random());
				particle.x = ball.x + Math.cos(angle) * radius;
				particle.y = ball.y + Math.sin(angle) * radius;
				self.addChild(particle);
			}
		}
		self.children.forEach(function (child) {
			if (child instanceof Particle) {
				child.move();
			}
		});
		var floorY = 2732 - 40 + 900 * (ball.scale.y - 1);
		ball.move();
		if (ball.speed.y > 0) {
			self.removeChild(hoop.hoopRimGraphics);
			self.addChild(hoop.hoopRimGraphics);
			if (ball.distanceTo(hoop.x + hoop.leftElement.x, hoop.y + hoop.leftElement.y) < ball.width / 2 + hoop.leftElement.width / 2) {
				ball.moveToDistance(hoop.x + hoop.leftElement.x, hoop.y + hoop.leftElement.y, ball.width / 2 + hoop.leftElement.width / 2 + 1);
				ball.bounceOffPoint(hoop.x + hoop.leftElement.x, hoop.y + hoop.leftElement.y, 0.5);
				ball.hitElement = 'left';
			}
			if (ball.distanceTo(hoop.x + hoop.rightElement.x, hoop.y + hoop.rightElement.y) < ball.width / 2 + hoop.rightElement.width / 2) {
				ball.moveToDistance(hoop.x + hoop.rightElement.x, hoop.y + hoop.rightElement.y, ball.width / 2 + hoop.rightElement.width / 2 + 1);
				ball.bounceOffPoint(hoop.x + hoop.rightElement.x, hoop.y + hoop.rightElement.y, 0.5);
				ball.hitElement = 'right';
			}
		}
		ballShadow.x = ball.x;
		ballShadow.y = 1800 + ball.height / 2 + 500 * ball.scale.x;
		var scale = (1 - 2 * (ball.y - 2732 + ball.height) / 2732) * ball.scale.x;
		ballShadow.scale.set(scale);
		ballShadow.alpha = (1 - scale + 1) / 2 * ball.alpha;
		if (ball.y + ball.height > floorY) {
			ball.y = floorY - ball.height;
			ball.speed.y *= -0.75;
			ballShadow.x = ball.x;
			ballShadow.visible = true;
			if (ball.hasThrown && !ball.hasScored) {
				if (!ball.hasBounced) {
					ball.hasBounced = true;
				} else {
					LK.showGameOver();
				}
			} else if (ball.hasScored) {
				ball.x = 2048 / 2;
				ball.y = 2532 - ball.height;
				ball.speed.x = 0;
				ball.speed.y = 0;
				ball.hasThrown = false;
				ball.hasScored = false;
				ball.hasBounced = false;
				ball.scale.x = 1;
				ball.scale.y = 1;
				if (ball.hitElement === '') {
					if (scoreMultiplier < 3) {
						scoreMultiplier++;
					}
				} else {
					scoreMultiplier = 1;
				}
				if (scoreMultiplier > 1) {
					hoop.multiplierLabel.setText('x' + scoreMultiplier);
				} else {
					hoop.multiplierLabel.setText('');
				}
				ball.hitElement = '';
				hoop.moveTo(Math.random() * (2048 - 1000) + 500, Math.random() * (2732 - 2000) + 1000);
			}
		}
		if (ball.x + ball.width / 2 < 0 || ball.x - ball.width / 2 > 2048) {
			LK.showGameOver();
		} else if (ball.hasThrown && ball.intersects(hoop.hoopRimGraphics) && ball.speed.y > 0 && !ball.hasScored && !ball.hasBounced && ball.x > hoop.x + hoop.leftElement.x && ball.x < hoop.x + hoop.rightElement.x) {
			ball.hasScored = true;
			score += scoreMultiplier;
			hoop.scoreLabel.setText(score.toString());
			hoop.setScore(score);
		}
	});
});