#include <NINJA.H> 
void njSetLightLocation( *ptr, px, py, pz )
NJS_LIGHT *ptr
Float px
Float py
Float pz

#include <NINJA.H> 
...........

NJS_LIGHT light;

njInitSystem();
njCreateLight(&light, NJD_POINT_LIGHT);
...........
/* 点光源の位置を（１０、０、−１０）に設定 */
njSetLightLocation(&light, 10.f, 0.f, -10.f);