void Start()
{
aux = AuxManager.instance;
shadowMaterial = aux.GetShadowMaterial();
shadowColor = aux.GetShadowColor();
transformCaster = transform;
transformShadow = new GameObject().transform;
transformShadow.parent = transformCaster;
transformShadow.gameObject.name = "Shadow";
transformShadow.localRotation = Quaternion.identity;
sRendererCaster = GetComponent <SpriteRenderer>();
sRendererShadow = transformShadow.gameObject.AddComponent <SpriteRenderer>();
sRendererShadow.sprite = sRendererCaster.sprite;
sRendererShadow.material = shadowMaterial;
sRendererShadow.color = shadowColor;
sRendererShadow.sortingLayerName = sRendererCaster.sortingLayerName;
sRendererShadow.sortingOrder = sRendererCaster.sortingOrder - 2;
}