Smooth outline is an ideal outline shader that solves the problems specific to outline.
Qiita: ハードエッジでも縁崩れしない理想的なアウトラインシェーダを作ってみた https://qiita.com/yoship1639/items/ec323111ade3a77671e0
Currently includes the following shaders
- Unlit
- Diffuse (ForwaedBase, ForwardAdd)