GXGetLightDirv

C Specification

#include <revolution/gx.h>

#define GXGetLightDirv(lo, vec) \
(GXGetLightDir((lo), (f32*)(vec), (f32*)(vec)+1, (f32*)(vec)+2))

`lo`	Pointer to a light object
`vec`	Returns direction vector. You may use an array of f32 or a structure.

None.

This macro returns the direction of the light from a light object into a vector structure. Use GXInitLightDir, GXInitLightDirv, GXInitSpecularDir, or GXInitSpecularDirv to set the light direction.

03/01/2006 Initial version.