var houseAssets = ['house1', 'house2', 'house3', 'house4', 'house5', 'house6', 'house7', 'house8', 'house9', 'house10'];
var Santa = Container.expand(function () {
	var self = Container.call(this);
	var santaGraphics = self.createAsset('santa', 'Santa character', .5, .5);
	self.speed = 10;
	self.jump = function () {
		if (!this.hasJumped) {
			this.direction = {
				x: Math.sin(self.rotation),
				y: -Math.cos(self.rotation)
			};
			this.hasJumped = true;
			this.firstJump = true;
		}
	};
	self.hasJumped = false;
	self.firstJump = false;
	self.score = 0;
	self.lastHouse = null;
	self.scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff",
		weight: 800,
		dropShadow: true,
		dropShadowColor: '#000000',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 6,
		dropShadowDistance: 6
	});
	self.scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(self.scoreTxt);
	self.move = function (houses) {
		if (self.hasJumped) {
			self.x += self.direction.x * self.speed;
			self.y += self.direction.y * self.speed;
			for (var i = 0; i < houses.length; i++) {
				var dx = self.x - houses[i].x;
				var dy = self.y - houses[i].y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < santaGraphics.width / 2 + houses[i].width / 2 && houses[i] !== self.lastHouse) {
					self.hasJumped = false;
					self.lastHouse = houses[i];
					self.currentHouse = houses[i];
					self.rotationOffset = Math.atan2(dy, dx) - houses[i].rotation;
					self.score += 1;
					self.scoreTxt.setText(self.score);
					break;
				}
			}
		}
		if (!self.hasJumped && self.currentHouse) {
			var angle = self.currentHouse.rotation + self.rotationOffset;
			self.x = self.currentHouse.x + Math.cos(angle) * (self.currentHouse.width / 2 + santaGraphics.height / 2);
			self.y = self.currentHouse.y + Math.sin(angle) * (self.currentHouse.width / 2 + santaGraphics.height / 2);
			self.rotation = angle + Math.PI / 2;
		}
	};
});
var House = Container.expand(function () {
	var self = Container.call(this);
	var randomHouseIndex = Math.floor(Math.random() * houseAssets.length);
	var houseGraphics = self.createAsset(houseAssets[randomHouseIndex], 'House object', .5, .5);
	self.rotationStep = Math.random() * 0.02 - 0.01;
	if (self.rotationStep > 0 && self.rotationStep < 0.01) self.rotationStep = 0.01;
	if (self.rotationStep < 0 && self.rotationStep > -0.01) self.rotationStep = -0.01;
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var background = self.createAsset('background', 'Background image', .5, .5);
	background.x = 2048 / 2;
	background.y = 2732 / 2;
	self.addChildAt(background, 0);
	LK.stageContainer.setBackgroundColor(0x000000);
	var gameContainer = new Container();
	self.addChild(gameContainer);
	var santa = gameContainer.addChild(new Santa());
	santa.x = 2048 / 2;
	santa.y = 2732 - 300;
	var houses = [];
	var houseSpeed = -2;
	self.spawnHouse = function () {
		var newHouse = new House();
		newHouse.rotation = Math.random() * Math.PI * 2;
		newHouse.scale.set(Math.random() * 0.5 + 0.5);
		if (houses.length === 0) {
			newHouse.x = 2048 / 2;
			newHouse.y = 2732 / 2;
		} else {
			var lastHouseY = houses[houses.length - 1].y;
			var gameHeightThird = 2732 / 3;
			newHouse.y = lastHouseY - (Math.random() * gameHeightThird + gameHeightThird);
			newHouse.x = Math.random() * (2048 - 600) + 300;
		}
		houses.push(newHouse);
		gameContainer.addChildAt(newHouse, 0);
	};
	var isGameOver = false;
	for (var i = 0; i < 8; i++) {
		self.spawnHouse();
	}
	stage.on('down', function (obj) {
		santa.jump();
	});
	var tickOffset = 0;
	LK.on('tick', function () {
		if (isGameOver) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		} else {
			santa.move(houses);
		}
		for (var a = houses.length - 1; a >= 0; a--) {
			if (santa.firstJump) {
				houses[a].y -= houseSpeed;
			}
			houses[a].rotation += houses[a].rotationStep;
			if (houses[a].x < -50 || houses[a].y > 2732 + houses[a].height) {
				houses[a].destroy();
				houses.splice(a, 1);
				self.spawnHouse();
			}
		}
		var santaScreenX = santa.x;
		var santaScreenY = santa.y + gameContainer.y;
		if ((santaScreenX < 0 || santaScreenX > 2048 || santaScreenY < 0) && santa.hasJumped || santa.y > 2732) {
			isGameOver = true;
		}
	});
});