Ray Marching a Blob in 3D
3 days ago
- #metaballs
- #3D graphics
- #ray marching
- Exploration of 3D metaballs, extending from 2D to create dynamic, volumetric forms.
- Metaballs use signed distance fields to merge spheres into smooth, organic shapes.
- Ray marching technique for rendering, with adaptive stepping for efficiency.
- Use of a quadratic polynomial smooth minimum function for blending metaballs.
- Optimizations in normal calculation and shadow rendering for performance.
- Material rendering with GGX microfacet specular and energy-preserving diffuse terms.
- Animation of sphere centers handled on the CPU for efficiency.
- Performance checklist highlighting key optimizations for speed and quality.