/* intersect: check if ray intersects with object, return hit_test */
hit_test intersect(ray r, object obj)
{
switch (obj.tag) {
case SPHERE :
return intersect_sphere(r,obj);
case POSTER :
return intersect_poster(r,obj);
default :
fprintf(stderr,"error(intersect):rogue tag\n");
exit(1);
}
}
hit_test intersect (ray r, object o)
{
switch (o.tag) {
case SPHERE :
return intersect_sphere(r, o.o.s);
case POSTER :
return intersect_poster(r, o.o.p);
case CYLINDER :
return intersect_cylinder(r, o.o.cyl);
}
fprintf(stderr, "invalid object tag\n");
exit(1);
}
