Friday, December 5, 2025

SDF Physics and More

Well the Holidays have come and as you may know I have been working with Physics and Signed Distance Fields (SDF) for a while. First came the SDF Planets for Galactive Space Junk 3 and more recently replacing sphere and plane geometry primitives with SDFs. Now I am happy to announce I have developed a formula that seems to work with most convex SDFs and even some concave SDF shapes too. So why SDFs? Most SDFs have easy lighting capabilities called "normal vectors" and as the name implies they measure distances which are very important for physics engines. Check out a rough draft of the new SDF Physics Engine. Finally I am working on a video of the new features of Plumeria 4.8. New features include Constructive Solid Geometry (CSG) meshes, a new lighting engine that includes spotlights, easy to use fog, and better mouse selection that works on all devices and all shapes.

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