void Accelerate()
{
accelerating = true;
_gameManager.O2AmountAdjust(-1);
_gameManager.generalSpeed += _gameManager.MaxSpeed / 4;
_animationManager.AcceleratorEffectOn();
Camera.main.GetComponent <CameraShaker>().ShakeCamera(2f, 1f * Time.deltaTime);
immortalityCD = immortalityDelay;
_gameManager.AccelerateSpeed();
}