/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// Bird class to represent the player's character
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;
  // Update method to apply gravity and movement
  self.update = function () {
    self.speedY += self.gravity;
    self.y += self.speedY;
  };
  // Method to make the bird flap
  self.flap = function () {
    self.speedY = self.flapStrength;
  };
});
// Obstacle class to represent obstacles in the game
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speedX = -5;
  // Update method to move the obstacle
  self.update = function () {
    self.x += self.speedX;
  };
});

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

/****
* Game Code
****/
// Initialize game variables
var bird = game.addChild(new Bird());
bird.x = 2048 / 4;
bird.y = 2732 / 2;
var obstacles = [];
var score = 0;
var scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to create a new obstacle
function createObstacle() {
  var obstacle = new Obstacle();
  obstacle.x = 2048;
  obstacle.y = Math.random() * 2732;
  obstacles.push(obstacle);
  game.addChild(obstacle);
}
// Handle touch events to make the bird flap
game.down = function (x, y, obj) {
  bird.flap();
};
// Update game logic
game.update = function () {
  bird.update();
  // Update obstacles and check for collisions
  for (var i = obstacles.length - 1; i >= 0; i--) {
    obstacles[i].update();
    // Check if the bird hits an obstacle
    if (bird.intersects(obstacles[i])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
    // Remove obstacles that are off-screen
    if (obstacles[i].x < -obstacles[i].width) {
      obstacles[i].destroy();
      obstacles.splice(i, 1);
      score++;
      scoreTxt.setText(score);
    }
  }
  // Create new obstacles periodically
  if (LK.ticks % 120 == 0) {
    createObstacle();
  }
  // Check if the bird hits the ground or flies too high
  if (bird.y > 2732 || bird.y < 0) {
    LK.effects.flashScreen(0xff0000, 1000);
    LK.showGameOver();
  }
};