/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Bird class representing the player character
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = 0;
	self.gravity = 0.45;
	self.lift = -18;
	self.update = function () {
		self.velocity += self.gravity;
		self.y += self.velocity;
		// Prevent bird from falling off the screen
		if (self.y > 2732 - birdGraphics.height / 2) {
			self.y = 2732 - birdGraphics.height / 2;
			self.velocity = 0;
		}
		if (self.y < birdGraphics.height / 2) {
			self.y = birdGraphics.height / 2;
			self.velocity = 0;
		}
	};
	self.flap = function () {
		self.velocity = self.lift;
	};
});
// Pipe class representing obstacles
var Pipe = Container.expand(function () {
	var self = Container.call(this);
	var pipeGraphics = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -14;
	self.update = function () {
		self.x += self.speed;
		if (self.x < -pipeGraphics.width / 2) {
			self.destroy();
		}
	};
});
// Prize class representing collectible prizes
var Prize = Container.expand(function () {
	var self = Container.call(this);
	var prizeGraphics = self.attachAsset('cover', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add "+1 Net" text label, larger size
	var prizeLabel = new Text2('+1 Net', {
		size: 90,
		fill: 0xFFFFFF
	});
	prizeLabel.anchor.set(0.5, 0.5);
	prizeLabel.x = 0;
	prizeLabel.y = 0;
	self.addChild(prizeLabel);
	self.speed = -14;
	self.update = function () {
		self.x += self.speed;
		if (self.x < -prizeGraphics.width / 2) {
			self.destroy();
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize game variables
LK.playMusic('background');
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5
}));
background.x = 2048 / 2;
background.y = 2732 / 2;
var bird = game.addChild(new Bird());
bird.x = 2048 / 2;
bird.y = 2732 / 2;
var pipes = [];
var pipeInterval = 70; // Interval for pipe generation
var prizeInterval = 80; // Interval for prize generation (spawn more prizes)
var prizes = [];
var ticks = 0;
// Score display
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to create a new pipe
function createPipe() {
	var pipe = new Pipe();
	pipe.x = 2048 + pipe.width / 2;
	pipe.y = Math.random() * (2732 - 400) + 200; // Random y position
	pipes.push(pipe);
	game.addChild(pipe);
}
// Function to create a new prize
function createPrize() {
	var prize = new Prize();
	prize.x = 2048 + 100; // Appear just off the right edge
	prize.y = Math.random() * (2732 - 400) + 200; // Random y position
	prizes.push(prize);
	game.addChild(prize);
}
// Handle game touch events
game.down = function (x, y, obj) {
	bird.flap();
};
// Update game state
game.update = function () {
	bird.update();
	// Generate pipes at intervals
	if (ticks % pipeInterval === 0) {
		createPipe();
	}
	// Generate prizes at intervals
	if (ticks % prizeInterval === 0) {
		createPrize();
	}
	// Update pipes and check for collisions
	for (var i = pipes.length - 1; i >= 0; i--) {
		pipes[i].update();
		// Track lastWasIntersecting for exact collision moment
		if (pipes[i].lastWasIntersecting === undefined) pipes[i].lastWasIntersecting = false;
		var nowIntersecting = bird.intersects(pipes[i]);
		if (!pipes[i].lastWasIntersecting && nowIntersecting) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.getSound('hit').play();
			LK.playMusic('gameover', {
				loop: false
			});
			// Delay game over to allow sound to play
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 600); // 600ms to let the sound/music play before reset
		}
		pipes[i].lastWasIntersecting = nowIntersecting;
		if (pipes[i].x < -pipes[i].width / 2) {
			pipes[i].destroy();
			pipes.splice(i, 1);
		}
	}
	// Update prizes and check for collection
	for (var j = prizes.length - 1; j >= 0; j--) {
		prizes[j].update();
		if (prizes[j].lastWasIntersecting === undefined) prizes[j].lastWasIntersecting = false;
		var nowPrizeIntersecting = bird.intersects(prizes[j]);
		if (!prizes[j].lastWasIntersecting && nowPrizeIntersecting) {
			// Player collects the prize!
			LK.setScore(LK.getScore() + 1); // Award 1 point for a prize
			scoreTxt.setText(LK.getScore());
			prizes[j].destroy();
			prizes.splice(j, 1);
			continue;
		}
		prizes[j].lastWasIntersecting = nowPrizeIntersecting;
		if (prizes[j].x < -50) {
			prizes[j].destroy();
			prizes.splice(j, 1);
		}
	}
	ticks++;
};