Allow speckle patterns to be procedurally generated, instead of requiring a texture and a 2D-to-3D map. Spec at: https://github.com/Computer-Aided-Validation-Laboratory/riley-raster/blob/dd4b54b2d5676177dfa3a4386750a516786cbdf1/dev/spec_procedural_speckles.md - [ ] 2D procedural generation. This removes the need for textures but still requires a UV mapping - [ ] Full 3D prodecural generation.
Allow speckle patterns to be procedurally generated, instead of requiring a texture and a 2D-to-3D map. Spec at: https://github.com/Computer-Aided-Validation-Laboratory/riley-raster/blob/dd4b54b2d5676177dfa3a4386750a516786cbdf1/dev/spec_procedural_speckles.md