Change Details

**A first crude version - subject for a future refining. Untested.** Adds Eevee hair shader replicating Cycles' [[ https://doi.org/10.1111/cgf.12830 | CBTB16 ]]. {F9887868}{F9887869}{F9887870} Why Hair BSDF is better for hair than Principled BSDF? - More natural look - Simulates hair translucency - Potentially less noisy for thin hair TODO list: [v] R, T, TRT and TRRT+ lobes [v] Sun, spots, area and point lights [v] Cast and receive shadows [v] Cubemaps [v] Environment [v] Partial Screen Space Reflections (SSR) [ ] Specular offset angle [ ] Works for mesh [ ] Reduce noise for thin hair [ ] Anisotropic roughness [ ] light_diffuse() implementation for hair [v] Random color [v] Random roughness [v] Coat Implementation is similar to Glossy, except that reflection directions are chosen according to inner hair reflections.

Adds Eevee hair shader resembling Cycles' [[ https://doi.org/10.1111/cgf.12830 | CBTB16 ]]. {F9895168}{F9895170} An example from real life {F9895160}{F9895209} [[ https://cloud.blender.org/p/gallery/60337d495677e942564cce76 | Blender 2.92 Splash ]] by Joanna Kobierska rendered with Eevee (but w/o DoF) {F9895174} Why Hair BSDF is better for hair than Principled BSDF? - More natural look - Simulates hair translucency [v] R, T, TRT and TRRT+ lobes [v] Sun, spots, area and point lights [v] Cast and receive shadows [v] Cubemaps and environment - poorly (depends on specular AO) [v] Screen Space Reflections (SSR) - only for R lobe [v] Specular offset angle [v] Works for mesh [v] Random color [v] Random roughness [v] Coat [ ] Reduce noise for thin hair [ ] Anisotropic roughness [ ] light_diffuse() implementation for hair Implementation is similar to Glossy, except that reflection directions are chosen according to inner hair reflections.

**A first crude version - subject for a future refining. Untested.**Adds Eevee hair shader resembling Cycles' [[ https://doi.org/10.1111/cgf.12830 | CBTB16 ]]. Adds Eevee hair shader replicating Cycles' [[ https://doi.org/10.1111/cgf.12830 | CBTB16 ]].{F9895168}{F9895170} {F9887868}{F9887869}{F9887870An example from real life {F9895160}{F9895209} [[ https://cloud.blender.org/p/gallery/60337d495677e942564cce76 | Blender 2.92 Splash ]] by Joanna Kobierska rendered with Eevee (but w/o DoF) {F9895174} Why Hair BSDF is better for hair than Principled BSDF? - More natural look - Simulates hair translucency - Potentially less noisy for thin hair TODO list: [v] R, T, TRT and TRRT+ lobes [v] Sun, spots, area and point lights [v] Cast and receive shadows [v] Cubemaps and environment - poorly (depends on specular AO) [v] Screen Space Reflections (SSR) - only for R lobe [v] Environmentv] Specular offset angle [v] Partial Screen Space Reflections (SSR)v] Works for mesh [ ] Specular offset anglev] Random color [ ] Works for meshv] Random roughness [v] Coat [ ] Reduce noise for thin hair [ ] Anisotropic roughness [ ] light_diffuse() implementation for hair [v] Random color [v] Random roughness [v] Coat Implementation is similar to Glossy, except that reflection directions are chosen according to inner hair reflections.