/* Given a collider and a position reltative to the colliders transform, return the point on the
* surface of the collider closest to the position
*/
public static Vector3 closestPointOnSurface(this Collider collider, Vector3 localPosition, float extrude = 0.0f)
{
SphereCollider sphereCollider = collider as SphereCollider;
if (sphereCollider != null)
{
return(sphereCollider.closestPointOnSurface(localPosition, extrude));
}
BoxCollider boxCollider = collider as BoxCollider;
if (boxCollider != null)
{
return(boxCollider.closestPointOnSurface(localPosition, extrude));
}
CapsuleCollider capsuleCollider = collider as CapsuleCollider;
if (capsuleCollider != null)
{
return(capsuleCollider.closestPointOnSurface(localPosition, extrude));
}
Debug.LogWarning("ColliderUtil does not work for Mesh Colliders!");
return(Vector3.zero);
}
