/****
* Classes
****/
// Class for obstacles
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -10;
  self.update = function () {
    self.x += self.speed;
    if (self.x < -100) {
      self.destroy();
    }
  };
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// 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.yVelocity = 0;
  self.isJumping = false;
  self.jump = function () {
    if (!self.isJumping) {
      self.yVelocity = -20;
      self.isJumping = true;
    }
  };
  self.update = function () {
    self.y += self.yVelocity;
    self.yVelocity += 1; // Gravity effect
    if (self.y >= 2300) {
      // Ground level
      self.y = 2300;
      self.isJumping = false;
    }
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x000000 //Init game with black background 
});

/****
* Game Code
****/
// Initialize player
var player = new Player();
player.x = 300;
player.y = 2300;
game.addChild(player);
// Array to keep track of obstacles
var obstacles = [];
// Function to spawn obstacles
function spawnObstacle() {
  var obstacle = new Obstacle();
  obstacle.x = 2048;
  obstacle.y = 2300;
  obstacles.push(obstacle);
  game.addChild(obstacle);
}
// Handle touch events for jumping
game.down = function (x, y, obj) {
  player.jump();
};
// Update game logic
game.update = function () {
  player.update();
  // Update obstacles
  for (var i = obstacles.length - 1; i >= 0; i--) {
    obstacles[i].update();
    if (obstacles[i].intersects(player)) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  // Spawn new obstacles periodically
  if (LK.ticks % 120 === 0) {
    spawnObstacle();
  }
};