internal override sealed SimpleGeometryHit Trace( Ray WorldRay, ShapeHitCollection Hits, SimpleGeometryHitCollection GeometryHits )
{
Debug.Assert( Hits != null );
Debug.Assert( GeometryHits != null );
Hits.AdvanceBaseIndex();
Trace( WorldRay, Hits );
return ( Hits.Count == Hits.Base ) ? null : GeometryHits.Next();
}
internal override SimpleGeometryHit Trace( Ray WorldRay, ShapeHitCollection Hits, SimpleGeometryHitCollection GeometryHits )
{
Debug.Assert( Hits != null );
Debug.Assert( GeometryHits != null );
Hits.AdvanceBaseIndex();
Ray ModelRay = WorldToModel * WorldRay;
Shape.Trace( ModelRay, Hits );
return ( Hits.Count == Hits.Base ) ? null : GeometryHits.Next( ModelToWorld, ModelRay );
}