Now when Blender Game Engine is officialy removed from Blender 2.8x and up, I amrevisiting my old BGE projects and concepts, polishing and adding comments and archiving them in a proper way. UPBGE is still actively developed and I occasionally use it for an art project or a prototype.
part 1 - volume rendering GLSL shader
part 2 - spherical penumbra shadows
part 3 - vertex shader shadows
next parts have lined up. here are some teasers:
//I`m Moving to Medium, as an experiment.
I will be transferring some of my old posts there too, but my blogspot stays as a backup, if i hate it and want to come back here.