TD5

2021-11-05: Fireball

2021-10-29: AABB trees for STL models

2021-10-26: Surface selection

2021-10-22: STL objects and minimap

2021-10-20: Lights and objects

2021-10-17: Improved lighting

2021-10-13: Bridges and spherical objects

2021-10-04: Parallel rendering and full sky mapping

Also the anisotropic sampling has been fixed and (a bit exaggerated) ambient lighting can be seen.

2021-10-03: Positional and ambient colored light

Apparent error in anisotropic texture sampling can be seen.

2021-10-02: Single-threaded rewrite with more features