/**** 
* Classes
****/ 
//<Write imports for supported plugins here>
//<Write entity 'classes' with empty functions for important behavior here>
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedY = 0;
	self.gravity = 0.5;
	self.flapStrength = -10;
	self.update = function () {
		self.speedY += self.gravity;
		self.y += self.speedY;
	};
	self.flap = function () {
		self.speedY = self.flapStrength;
	};
});
var Block = Container.expand(function () {
	var self = Container.call(this);
	var blockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = -5;
	self.update = function () {
		self.x += self.speedX;
	};
});

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

/**** 
* Game Code
****/ 
//<Write game logic code here, including initializing arrays and variables>
//<Assets used in the game will automatically appear here>
var bird = game.addChild(new Bird());
bird.x = 300;
bird.y = 1366; // Center vertically
var blocks = [];
var blockInterval = 100; // Interval for block generation
var lastBlockTime = 0;
game.down = function (x, y, obj) {
	bird.flap();
};
game.update = function () {
	bird.update();
	// Generate new blocks
	if (LK.ticks - lastBlockTime > blockInterval) {
		var block = new Block();
		block.x = 2048;
		block.y = Math.random() * 2000 + 366; // Random vertical position
		blocks.push(block);
		game.addChild(block);
		lastBlockTime = LK.ticks;
	}
	// Update blocks and check for collisions
	for (var i = blocks.length - 1; i >= 0; i--) {
		var block = blocks[i];
		block.update();
		if (block.x < -block.width) {
			block.destroy();
			blocks.splice(i, 1);
			continue;
		}
		if (bird.intersects(block)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
	// Check if bird is out of bounds
	if (bird.y < 0 || bird.y > 2732) {
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
	// Create score display
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: 0xFFFFFF
	});
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	// Update score display
	scoreTxt.setText(LK.getScore());
	// Check if score is 5000 or more
	if (LK.getScore() >= 5000) {
		LK.showYouWin();
	}
};