private void AccelScroll() { if (timeCount % AccelTime != 0) { return; } if (bg1.GetSpeed() >= 2.0f) { return; } bg1.SpeedUp(ScrollAccel); bg2.SpeedUp(ScrollAccel); float scrollSpeed = bg1.GetSpeed(); foreach (var obst in obstacles) { obst.SetSpeed(scrollSpeed); } speedUp.PlayEffect(); }