/**** 
* Classes
****/ 
// The assets will be automatically created and loaded by the LK engine.
// Create a Bird class
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.8,
		scaleY: 2.8
	});
	self.speed = 0;
	self.gravity = 1.5;
	self.lift = -35;
	self.update = function () {
		self.speed += self.gravity;
		self.speed *= 0.9; // Add air resistance to smooth movement
		self.y += self.speed;
		if (self.y > 2632) {
			// Adjusted to simulate ground level
			self.y = 2632;
			self.speed = 0;
		}
		if (self.y < 0) {
			self.y = 0;
			self.speed = 0;
		}
	};
	self.up = function () {
		self.speed += self.lift;
	};
});
// Create a Ground class
var Ground = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0.0,
		scaleY: 0.5 // Scale to make it a thin ground
	});
	self.y = 2632; // Position at the bottom of the screen
});
// Create a LongPole class
var LongPole = Container.expand(function () {
	var self = Container.call(this);
	var poleGraphics = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 1.0,
		// Anchor at the bottom
		scaleY: Math.random() * 5 + 5 // Randomize the height to make the pipe uneven
	});
	self.speed = 4; // Increase speed to make the game faster
	self.update = function () {
		self.x -= self.speed;
	};
});
// Create an UpperPipe class
var UpperPipe = Container.expand(function () {
	var self = Container.call(this);
	var pipeGraphics = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0.0,
		// Anchor at the top
		scaleY: Math.random() * 5 + 5 // Randomize the height to make the pipe uneven
	});
	self.speed = 4; // Increase speed to make the game faster
	self.update = function () {
		self.x -= self.speed;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb // Sky blue background
});

/**** 
* Game Code
****/ 
var ground = game.addChild(new Ground());
var bird = game.addChild(new Bird());
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
bird.x = 512;
bird.y = 1366;
var obstacles = [];
game.update = function () {
	if (LK.ticks % 120 == 0) {
		var longPole = new LongPole();
		longPole.x = 2048;
		longPole.y = 2732 + 100; // Decrease gap by adjusting y-position
		obstacles.push(longPole);
		game.addChild(longPole);
		var upperPipe = new UpperPipe();
		upperPipe.x = 2048;
		upperPipe.y = 0; // Position at the top of the screen
		obstacles.push(upperPipe);
		game.addChild(upperPipe);
	}
	for (var i = obstacles.length - 1; i >= 0; i--) {
		if (obstacles[i].x + obstacles[i].width < bird.x && !obstacles[i].scored) {
			score += 1;
			scoreTxt.setText(score);
			obstacles[i].scored = true;
		}
		if (obstacles[i].x < -obstacles[i].width) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
		if (bird.intersects(obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
};
game.down = function (x, y, obj) {
	bird.up();
};