Hair Master Node
（出典：Unity Blog ）
ドキュメント：
Hair Master Node | High Definition RP 10.5 Manual [公式]
参考：
A New Hair Master Node is Also Available – Unity 2019.1 | Unity Blog [Official]
Hair is now a built in feature for HDRP, as of Unity 2019 (ceebeee) – Unity Forum
Hair Master Node (HDRP) – Unity Forum
Shader Error: invalid subscript ‘tangentOS’ using Hair Master Node – Unity Forum
Is Unity working on Hair Shader for HDRP? – Unity Forum
Anyone have any tutorial or examples of realistic hair in Unity? using Hair Shader – Unity Forum