Name. faceforward - returns a normal as-is if a vertex's eye-space position vector points in the opposite direction of a geometric normal, otherwise return ...
Specifies the reference vector. Description. faceforward orients a vector to point away from a surface as defined by its normal. If dot ( Nref , I ) < 0 ...
Specifies the reference vector. Description. faceforward orients a vector to point away from a surface as defined by its normal. If dot ( Nref , I ) < 0 ...
faceforward orients a vector to point away from a surface as defined by its normal. If dot ( Nref , I ) < 0 faceforward returns N , otherwise it returns - N .
faceforward orients a vector to point away from a surface as defined by its normal. If dot ( Nref , I ) < 0 faceforward returns N , otherwise it returns - N .
Reference vector to compare against I. Outputs. Name, Type, Description. faceforward( N, T, NRef ), float, Normal vector that faces the opposite direction of I ...
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2022年11月19日 — The description of Faceforward on Blender's manual page is: Orients a vector A to point away from a surface B as defined by its normal C.
