private void SetMeshMaterial(UWB_Primitive prim, RayTracer_552.RTMaterial mat) { prim.EnableLighting(true); prim.setShadeMode(eShadeMode.smGouraud); prim.Material.Emissive = new Vector4(Vector3.Zero, 1f); prim.Material.Ambient = new Vector4(mat.GetAmbientColor, 1f); prim.Material.Diffuse = new Vector4(mat.GetDiffuseColor, 1f); prim.Material.Specular = new Vector4(mat.GetSpecularColor, 1f); prim.Material.Power = mat.GetN; }