VEX Dictionary / Du
Du
Computes how a shading value changes with respect to the surface's U direction.
group: mathmathvectorderivshading
Available in every context
Usage
float Du(float n, ...)vector Du(vector n, ...)vector4 Du(vector4 n, ...)Examples
No worked examples yet.
Signatures (from vcc -X)
float Du(float, ...)all contextsvector4 Du(vector4, ...)all contextsvector Du(vector, ...)all contexts