private void calculateShadow()
{
_shadow.transform.rotation = Quaternion.Euler(new Vector3(0, 0, dayNightCycleManager.getShadowAngle()));
sr.color = new Color(0, 0, 0, dayNightCycleManager.getShadowAlpha());
sr.transform.localScale = new Vector3(1, dayNightCycleManager.getShadowYScale(), 0);
}
