void OnTriggerEnter(Collider col)
{
var go = new GameObject();
go.transform.position = this.transform.position;
GroundShadingManager.AddEffect(ScalingRing.CreateComponent(go, 0.5f, false, 0.1f, 3.0f));
go = new GameObject();
go.transform.position = this.transform.position;
GroundShadingManager.AddEffect(ScalingRing.CreateComponent(go, 0.5f, true, 0.1f, 3.2f));
}