private IEnumerator ShakeCamera(float shake_time, float shake_amount)
{
time = shake_time;
amount = shake_amount;
while (time > 0)
{
gameObject.transform.position = originPosition + new Vector3(Random.value * amount, 0, 0);
time -= Time.deltaTime;
yield return(null);
}
gameObject.transform.position = originPosition;
// no think
Time.timeScale = 1;
Time.fixedDeltaTime = 0.02f;
uiController.BloodScreenOFF();
}