81 vector rt_vector(apiflt x, apiflt y, apiflt z) {  in rt_vector()
82     vector v;  in rt_vector()
125                     vector camcent,  in rt_camerasetup()
126                     vector viewvec,  in rt_camerasetup()
127                     vector upvec) {  in rt_camerasetup()
130     vector newupvec;  in rt_camerasetup()
131     vector newviewvec;  in rt_camerasetup()
132     vector newrightvec;  in rt_camerasetup()
134     VCross((vector *)&upvec, &viewvec, &newrightvec);  in rt_camerasetup()
137     VCross((vector *)&viewvec, &newrightvec, &newupvec);  in rt_camerasetup()
315 void rt_light(void *tex, vector ctr, apiflt rad) {  in rt_light()
318     li = newlight(tex, (vector)ctr, rad);  in rt_light()
331                   vector min,  in rt_scalarvol()
332                   vector max,  in rt_scalarvol()
339         tex, (vector)min, (vector)max, xs, ys, zs, fname, (scalarvol *)invol));  in rt_scalarvol()
342 void rt_extvol(void *tex, vector min, vector max, int samples, flt (*evaluator)(flt, flt, flt)) {  in rt_extvol()
343     add_object((object *)newextvol(tex, (vector)min, (vector)max, samples, evaluator));  in rt_extvol()
346 void rt_box(void *tex, vector min, vector max) {  in rt_box()
347     add_object((object *)newbox(tex, (vector)min, (vector)max));  in rt_box()
350 void rt_cylinder(void *tex, vector ctr, vector axis, apiflt rad) {  in rt_cylinder()
351     add_object(newcylinder(tex, (vector)ctr, (vector)axis, rad));  in rt_cylinder()
354 void rt_fcylinder(void *tex, vector ctr, vector axis, apiflt rad) {  in rt_fcylinder()
355     add_object(newfcylinder(tex, (vector)ctr, (vector)axis, rad));  in rt_fcylinder()
358 void rt_plane(void *tex, vector ctr, vector norm) {  in rt_plane()
359     add_object(newplane(tex, (vector)ctr, (vector)norm));  in rt_plane()
362 void rt_ring(void *tex, vector ctr, vector norm, apiflt a, apiflt b) {  in rt_ring()
363     add_object(newring(tex, (vector)ctr, (vector)norm, a, b));  in rt_ring()
366 void rt_sphere(void *tex, vector ctr, apiflt rad) {  in rt_sphere()
367     add_object(newsphere(tex, (vector)ctr, rad));  in rt_sphere()
370 void rt_tri(void *tex, vector v0, vector v1, vector v2) {  in rt_tri()
373     trn = newtri(tex, (vector)v0, (vector)v1, (vector)v2);  in rt_tri()
380 void rt_stri(void *tex, vector v0, vector v1, vector v2, vector n0, vector n1, vector n2) {  in rt_stri()
383     trn = newstri(tex, (vector)v0, (vector)v1, (vector)v2, (vector)n0, (vector)n1, (vector)n2);  in rt_stri()
390 void rt_quadsphere(void *tex, vector ctr, apiflt rad) {  in rt_quadsphere()