Thinking about software rasterization a bit more lately after a LONG time.
I had forgotten how much fun this subject is to me :3
Here's a screenshot from a voxel heightmap renderer I wrote several years ago.
It was for a mech game I had wanted to make, where you can control mechs AND also be a tiny person on the ground trying to survive mech v mech chaos.
Voxels make destructible environments really easy, so you could be hiding out with other villagers in a missile crater until you see your chance to steal a mech and get everybody outta there.
Sunbeam City is a anticapitalist, antifascist solarpunk instance that is run collectively.