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注意! 这个版本的文档是过时的,因为它描述了一个较老的SDK版本!请切换到最新SDK版本的文档。
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Face Forward Node


Description

Outputs a floating-point, surface normal vector that is facing the view direction.

This node actually flips the surface-normal (if needed) to face in a direction opposite to I; returns the result in N.

Ports

Name Description
NThe floating-point surface-normal vector that is required to store the result.
IA floating-point, incident vector that points from the view position to the shading position.
NgA floating-point surface-normal vector.
Last update: 2021-12-13
Build: ()