Add the dmnsn_interior* to dmnsn_intersection*.

1 files changed, 5 insertions, 4 deletions

diff --git a/libdimension/sphere.c b/libdimension/sphere.c
index c238192..d994248 100644
--- a/libdimension/sphere.c
+++ b/libdimension/sphere.c
@@ -69,10 +69,11 @@ dmnsn_sphere_intersection_fn(const dmnsn_object *sphere, dmnsn_line line)
 
     if (t >= 0.0) {
       intersection = dmnsn_new_intersection();
-      intersection->ray     = line;
-      intersection->t       = t;
-      intersection->normal  = dmnsn_line_point(line, t);
-      intersection->texture = sphere->texture;
+      intersection->ray      = line;
+      intersection->t        = t;
+      intersection->normal   = dmnsn_line_point(line, t);
+      intersection->texture  = sphere->texture;
+      intersection->interior = sphere->interior;
 
       /* Flip the normal if we're inside the sphere */
       if (dmnsn_vector_dot(line.n, intersection->normal) > 0.0)