My old ray tracer could do arbitrary quadric surfaces, toroids with 2 minor radii, and CSG of all those. Triangles too (no CSG). It was getting kind of fast 20 years ago - 10fps at 1024x768. Never had good shading though.
I should dig that up and add NURBS and see how it performs today.
My old ray tracer could do arbitrary quadric surfaces, toroids with 2 minor radii, and CSG of all those. Triangles too (no CSG). It was getting kind of fast 20 years ago - 10fps at 1024x768. Never had good shading though.
I should dig that up and add NURBS and see how it performs today.
dreams on playstation and unbound on pc both use sdfs to allow users to make truly round objects for games