private static void SpaceDebugDrawPolygonCallback(int count, cpVertPointer verts, double radius, DebugColor outlineColor, DebugColor fillColor, voidptr_t data)
        {
            IDebugDraw debugDraw = NativeInterop.FromIntPtr <IDebugDraw>(data);

            Vect[] vectors = NativeInterop.PtrToStructureArray <Vect>(verts, count);

            debugDraw.DrawPolygon(vectors, radius, outlineColor, fillColor);
        }