/**** 
* Classes
****/ 
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.83,
		scaleY: 0.83
	});
	self.speed = 8;
	self.passed = false;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
	self.getHitbox = function () {
		return {
			x: self.x - 75,
			y: self.y - 150,
			width: 200,
			// Increase the width of the hitbox
			height: 300
		};
	};
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.95,
		scaleY: 0.95
	});
	self.speed = 1000;
	self.jumpHeight = 30;
	self.isJumping = false;
	self.velocityY = 0;
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.7;
			if (self.y >= 2732 / 2) {
				self.y = 2732 / 2;
				self.isJumping = false;
				self.velocityY = 0;
			}
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.velocityY = -self.jumpHeight;
		}
	};
	self.getHitbox = function () {
		return {
			x: self.x - 75,
			y: self.y - 150,
			width: 150,
			height: 300
		};
	};
});

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

/**** 
* Game Code
****/ 
// Background
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
}));
// Player
var player = game.addChild(new Player());
player.x = 2048 / 2 - 100;
player.y = 2732 / 2;
// Enemy array
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Score Text
var scoreText = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
LK.gui.top.addChild(scoreText);
scoreText.x = 2048 / 2;
scoreText.y = 0;
// Collision function
function checkCollision(rect1, rect2) {
	return rect1.x < rect2.x + rect2.width && rect1.x + rect1.width > rect2.x && rect1.y < rect2.y + rect2.height && rect1.y + rect1.height > rect2.y;
}
// Spawn Enemy
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = 2048;
	enemy.y = 2732 / 2;
	enemy.passed = false;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Game loop
game.update = function () {
	player.update();
	// Enemy spawn
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		spawnEnemy();
		enemySpawnInterval = Math.floor(Math.random() * 100) + 50;
		enemySpawnCounter = 0;
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		// Collision detection
		if (checkCollision(player.getHitbox(), enemies[j].getHitbox())) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			LK.stopMusic();
			LK.playMusic('Music');
		}
		// Score increment
		else if (enemies[j].x < player.x && !enemies[j].passed) {
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
		}
		// Remove offscreen enemy
		if (enemies[j].x < -50) {
			enemies[j].destroy();
			enemies.splice(j, 1);
		}
	}
	// Speed increase
	if (LK.ticks % 300 == 0) {
		for (var i = 0; i < enemies.length; i++) {
			enemies[i].speed += 1;
		}
	}
};
// Tap to jump
game.down = function (x, y, obj) {
	player.jump();
};
// Music
LK.playMusic('Music');