21 box *
newbox(
void * tex, vector min, vector max);
23 void box_normal(
const box *,
const vector *,
const ray *, vector *);
RT_OBJECT_HEAD vector min
minimum vertex coordinate
void box_normal(const box *, const vector *, const ray *, vector *)
vector max
maximum vertex coordinate
box * newbox(void *tex, vector min, vector max)
void box_intersect(const box *, ray *)
axis-aligned box definition