/**** 
* Classes
****/ 
// Define a class for enemies
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.x -= self.speed;
		// Make the enemy move up and down
		self.y += Math.sin(self.x / 100) * 5;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
// Define a class for the moving background
var MovingBackground = Container.expand(function () {
	var self = Container.call(this);
	var backgroundGraphics = self.attachAsset('background', {
		anchorX: 0,
		anchorY: 0
	});
	self.speed = 1;
	self.update = function () {
		self.x -= self.speed;
		if (self.x <= -2048) {
			self.x = 2048;
		}
	};
});
//<Assets used in the game will automatically appear here>
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.jumpHeight = 35;
	self.isJumping = false;
	self.velocityY = 0;
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.7; // Decreased gravity effect by 30%
			if (self.y >= 2732 / 2) {
				// Ground level
				self.y = 2732 / 2;
				self.isJumping = false;
				self.velocityY = 0;
				// Increase the score by 1 every time the player jumps over an obstacle
				if (!self.isJumping) {
					LK.setScore(LK.getScore() + 1);
				}
			}
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.velocityY = -self.jumpHeight;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
// Initialize the moving background
var movingBackground1 = game.addChild(new MovingBackground());
movingBackground1.x = 0;
movingBackground1.y = 0;
var movingBackground2 = game.addChild(new MovingBackground());
movingBackground2.x = 2048;
movingBackground2.y = 0;
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2; // Position the player in the middle of the screen
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Handle game updates
game.update = function () {
	player.update();
	movingBackground1.update();
	movingBackground2.update();
	// Spawn enemies
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy = new Enemy();
		enemy.x = 2048;
		enemy.y = 2732 / 2;
		enemies.push(enemy);
		game.addChild(enemy);
		// Randomize the spawn interval for the next enemy
		enemySpawnInterval = Math.floor(Math.random() * 150) + 50;
		enemySpawnCounter = 0;
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (player.intersects(enemies[j])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Increase the score by 1 every 1000 meters
	if (movingBackground1.x % 1000 == 0 || movingBackground2.x % 1000 == 0) {
		LK.setScore(LK.getScore() + 1);
		// Update the score display
		scoreDisplay.setText(LK.getScore());
	}
};
// Handle player jump
game.down = function (x, y, obj) {
	player.jump();
};
// Create a score display
var scoreDisplay = new Text2(LK.getScore().toString(), {
	size: 150,
	fill: 0x000000
});
scoreDisplay.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreDisplay);
// Play the selected music
LK.stopMusic();
LK.playMusic('odak');