diff options
Diffstat (limited to 'test/raytracer/intersect.h')
-rw-r--r-- | test/raytracer/intersect.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/raytracer/intersect.h b/test/raytracer/intersect.h new file mode 100644 index 00000000..35241a60 --- /dev/null +++ b/test/raytracer/intersect.h @@ -0,0 +1,11 @@ +/* Return the closest base object intersecting the given ray, and + the curvilinear abscissa t of the intersection point. + Return NULL if no intersection. + Return t = 0.0 if the viewpoint (origin of the ray) is inside an + object. */ + +struct object * intersect_ray(struct point * p, + struct vector * v, + struct object * obj, + int initial, + /*out*/ flt * t); |