/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// Define a Bike class
var Bike = Container.expand(function () {
  var self = Container.call(this);
  var bikeGraphics = self.attachAsset('bike', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 0;
  self.acceleration = 0.2;
  self.maxSpeed = 10;
  self.update = function () {
    self.x += self.speed;
    if (self.x > 2048) self.x = 0; // Wrap around the screen
  };
  self.accelerate = function () {
    if (self.speed < self.maxSpeed) {
      self.speed += self.acceleration;
    }
  };
  self.decelerate = function () {
    if (self.speed > 0) {
      self.speed -= self.acceleration;
    }
  };
});
// Define an Obstacle class
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    self.y += 5; // Move down the screen
    if (self.y > 2732) self.y = 0; // Reset position if off screen
  };
});

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

/****
* Game Code
****/
// Initialize game variables
var bike = game.addChild(new Bike());
bike.x = 1024; // Center horizontally
bike.y = 2400; // Near the bottom of the screen
var obstacles = [];
for (var i = 0; i < 5; i++) {
  var obstacle = new Obstacle();
  obstacle.x = Math.random() * 2048;
  obstacle.y = Math.random() * 2732;
  obstacles.push(obstacle);
  game.addChild(obstacle);
}
// Handle touch events for acceleration
game.down = function (x, y, obj) {
  bike.accelerate();
};
game.up = function (x, y, obj) {
  bike.decelerate();
};
// Update game state
game.update = function () {
  bike.update();
  for (var i = 0; i < obstacles.length; i++) {
    obstacles[i].update();
    if (bike.intersects(obstacles[i])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
};