Shaders and effects — Savage Turret Steam update #32942

This update contains lots of visual changes. New Custom Volumetric Fog System. Custom RayTracing and baking use more optimized spacial partition. Added Zibra's smoke simulation with a custom shader to interact with baked light. And lots of small stuff. There are more things in the works: cutscenes, monsters that hide in shadows, and space exploration. Overall, the plan is to start crafting a real narrative experience: characters, animations, dialogues, cinematics. Levels will be redone from their Boxy primitives into something more realistic. Those are skills I'm not super proficient in, so at the current stage, I do more experiments with graphics while searching for collaborators. There is a cool sound effects guy from Norway, ready to assist. My good friend Jai from Nexus XIII band is there to land more tracks and help with writing and voicing. We still need a cool animator though. And...