@Override
  public void update(double delta)
  {
    this.accel += 0.5;
    if (accel >= maxAccel)
    {
      accel = maxAccel;
    }
    dx += Math.sin(Math.toRadians(rotation)) * accel;
    dy -= Math.cos(Math.toRadians(rotation)) * accel;
    x+= dx*delta;
    y+= dy*delta;
    double distanceX = player.x - x;
    double distanceY = player.y - y;
    double angle = Math.toDegrees(atan2(distanceY, distanceX));
    if (rotation < angle)
    {
      rotation += angle *0.01;
    }
    else if (rotation > angle)
    {
      rotation -= angle*0.01 ;
    }
  }