Mostly cleanup

Text is athe biggest bottleneck right now. Raylib as a renderer fails for this prototype in that front.

I'll eventually need to look into other solutions such as SDL2 + something that renders UI boxes & text very fast...

code/env_scratch.odin

@@ -36,4 +36,6 @@ DebugData :: struct {
 	// Test 3d Viewport
 	cam_vp      : rl.Camera3D,
 	viewport_rt : rl.RenderTexture,
-}
+
+	proto_text_shader : rl.Shader
+}