Free Galaxy Space Shader in Unity VRChat & VTuber Tutorial

FX screen shaders in VRChat are special materials that create visual effects (like distortions, static, or color shifts) overlayed onto the user's view or specific objects, often controlled by !/nav>>Udon or !/nav>>Action Menu toggles, requiring careful setup (like using blocking meshes) and often leveraging powerful shader assets (like Poiyomi or lilToon) to achieve complex, immersive, or fun screen-space visual experiences, but should be used responsibly due to performance and accessibility co