There are 3 preset shaders that you can view (use the slider) The 3rd one is an example and you can overwrite it with your own shader! It's custom block is called "$fragShader" Warning -- this project is laggy! Please use turbowarp so that your device doesn't explode: https://turbowarp.org/1326939522 (Feel free to increase the resolution, note that lag will be a thing)
Was messing about and was fascinated by how cool shaders are, and decided to make this project :D