/****
* Classes
****/
// Obstacle class
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732) {
      self.y = -100;
      self.x = Math.random() * 2048;
    }
  };
});
// PowerUp class
var PowerUp = Container.expand(function () {
  var self = Container.call(this);
  var powerUpGraphics = self.attachAsset('powerUp', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    self.y += 3;
    if (self.y > 2732) {
      self.y = -100;
      self.x = Math.random() * 2048;
    }
  };
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Spaceship class
var Spaceship = Container.expand(function () {
  var self = Container.call(this);
  var spaceshipGraphics = self.attachAsset('spaceship', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 10;
  self.update = function () {
    // Spaceship update logic
  };
  self.move = function (x, y) {
    self.x = x;
    self.y = y;
  };
});

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

/****
* Game Code
****/
// Initialize game elements
var spaceship = game.addChild(new Spaceship());
spaceship.x = 1024;
spaceship.y = 2400;
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);
}
var powerUps = [];
for (var i = 0; i < 3; i++) {
  var powerUp = new PowerUp();
  powerUp.x = Math.random() * 2048;
  powerUp.y = Math.random() * -2732;
  powerUps.push(powerUp);
  game.addChild(powerUp);
}
// Handle game events
game.down = function (x, y, obj) {
  spaceship.move(x, y);
};
game.update = function () {
  for (var i = 0; i < obstacles.length; i++) {
    obstacles[i].update();
    if (spaceship.intersects(obstacles[i])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  for (var i = 0; i < powerUps.length; i++) {
    powerUps[i].update();
    if (spaceship.intersects(powerUps[i])) {
      LK.setScore(LK.getScore() + 10);
      powerUps[i].destroy();
      powerUps.splice(i, 1);
    }
  }
};