--- ray/src/rt/raytrace.c 1989/05/07 17:50:51 1.4 +++ ray/src/rt/raytrace.c 1990/01/02 15:16:14 1.8 @@ -22,7 +22,7 @@ extern double minweight; /* minimum ray weight */ long nrays = 0L; /* number of rays traced */ -#define MAXLOOP 1024 /* modifier loop detection */ +#define MAXLOOP 128 /* modifier loop detection */ #define RAYHIT (-1) /* return value for intercepted ray */ @@ -64,25 +64,30 @@ double rw; rayvalue(r) /* compute a ray's value */ -register RAY *r; +RAY *r; { extern int (*trace)(); - if (localhit(r, &thescene)) - if (r->clipset != NULL && inset(r->clipset, r->ro->omod)) - raytrans(r); /* object is clipped */ - else - rayshade(r, r->ro->omod); - else if (sourcehit(r)) - rayshade(r, r->ro->omod); + if (localhit(r, &thescene) || sourcehit(r)) + raycont(r); if (trace != NULL) (*trace)(r); /* trace execution */ } +raycont(r) /* check for clipped object and continue */ +register RAY *r; +{ + if (r->clipset != NULL && inset(r->clipset, r->ro->omod)) + raytrans(r); + else + rayshade(r, r->ro->omod); +} + + raytrans(r) /* transmit ray as is */ -RAY *r; +register RAY *r; { RAY tr;