/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.lastX = 0;
	self.update = function () {
		self.x -= self.speed;
		self.lastX = self.x;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityY = 0;
	self.isJumping = false;
	self.jumpPower = 0;
	self.maxJumpPower = 25;
	self.gravity = 0.8;
	self.groundY = 0;
	self.setGroundLevel = function (y) {
		self.groundY = y;
		self.y = y;
	};
	self.startJump = function () {
		if (!self.isJumping && self.y >= self.groundY) {
			self.isJumping = true;
			self.velocityY = -15;
			LK.getSound('jump').play();
		}
	};
	self.update = function () {
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		if (self.y >= self.groundY) {
			self.y = self.groundY;
			self.velocityY = 0;
			self.isJumping = false;
			if (!self.isJumping) {
				self.jumpPower = 0;
			}
		}
		self.maxJumpHeightReached = 0;
		if (self.isJumping) {
			var jumpHeight = self.groundY - self.y;
			if (jumpHeight > self.maxJumpHeightReached) {
				self.maxJumpHeightReached = jumpHeight;
			}
		}
		var color = self.isJumping ? 0xffff00 : 0x00ff00;
		playerGraphics.tint = color;
	};
	return self;
});
var Spike = Container.expand(function () {
	var self = Container.call(this);
	var spikeGraphics = self.attachAsset('spike', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.lastX = 0;
	self.update = function () {
		self.x -= self.speed;
		self.lastX = self.x;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
var groundY = 2100;
var gameWidth = 2048;
var gameHeight = 2732;
var isGameRunning = true;
var obstacleSpeed = 8;
var baseObstacleSpeed = 8;
var spawnRate = 80;
var tickCounter = 0;
var distanceTraveled = 0;
var lastScore = 0;
var player = game.addChild(new Player());
player.setGroundLevel(groundY);
player.x = 300;
var obstacles = [];
var scoreTxt = new Text2('Distance: 0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
function spawnObstacle() {
	var randomType = Math.floor(Math.random() * 2);
	var obstacle = null;
	if (randomType === 0) {
		obstacle = game.addChild(new Spike());
		obstacle.x = gameWidth + 100;
		obstacle.y = groundY;
	} else {
		obstacle = game.addChild(new Platform());
		obstacle.x = gameWidth + 100;
		obstacle.y = groundY + 60;
	}
	obstacle.speed = obstacleSpeed;
	obstacle.lastX = obstacle.x;
	obstacles.push(obstacle);
}
game.down = function (x, y, obj) {
	if (isGameRunning) {
		player.startJump();
	}
};
game.update = function () {
	if (!isGameRunning) {
		return;
	}
	tickCounter++;
	if (Math.floor(tickCounter / 100) > lastScore) {
		lastScore = Math.floor(tickCounter / 100);
		scoreTxt.setText('Distance: ' + lastScore);
	}
	if (tickCounter % spawnRate === 0) {
		spawnObstacle();
	}
	player.update();
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		if (obstacle.lastX === undefined) {
			obstacle.lastX = obstacle.x;
		}
		obstacle.update();
		if (obstacle.x < -200) {
			obstacle.destroy();
			obstacles.splice(i, 1);
			continue;
		}
		var wasOffscreen = obstacle.lastX > gameWidth + 50;
		var isOnscreen = obstacle.x >= -50 && obstacle.x <= gameWidth + 50;
		if (player.intersects(obstacle)) {
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 500);
			isGameRunning = false;
			LK.showGameOver();
		}
		obstacle.lastX = obstacle.x;
	}
};
LK.playMusic('bgmusic', {
	loop: true
});