/**
* Gets the center of the box, computed as (min + max) / 2.
*
* @return a reference to the center of the box
*/
public Vector3D getCenter()
{
center.set(minimum);
center.add(maximum);
center.scale(1.0 / 2.0);
return(center);
}
public override Vector3D normal(Vector3D intersectionPoint, Vector3D viewPoint)
{
Vector3D normal = intersectionPoint.subNew(position());
normal.scale(invRadius());
if (viewPoint.subNew(intersectionPoint).dot(normal) < 0.0)
{
normal.neg();
}
return(normal);
}