1 files changed, 1 insertions, 0 deletions
diff --git a/scene.h b/scene.h
index 5e647eb..90e5ebb 100644
--- a/scene.h
+++ b/scene.h
@@ -61,6 +61,7 @@ typedef struct {
 	light_t *lights;
 
 	color_t ambient;
+	color_t back;
 } space_t;
 
 object_t *add_sphere(space_t *s, vector_t *c, COORD_T r, material_t *m);