private void AddSphereAndBox() { // setup a solid reflecting sphere double radius = 1.5; RayTracer.BaseShape bigSphere = new RayTracer.SphereShape(new Vector3(1, 3, 4), radius, new RayTracer.SolidMaterial(new RGBA_Floats(0, .5, .5), 0.2, 0.0, 2.0)); renderCollection.Add(bigSphere); RayTracer.BoxShape box = new RayTracer.BoxShape(new Vector3(-1, 2, 0), new Vector3(1, 4, 2), new RayTracer.SolidMaterial(new RGBA_Floats(.9, .2, .1), .01, 0.0, 2.0)); renderCollection.Add(box); }