diff options
Diffstat (limited to 'libdimension/cube.c')
| -rw-r--r-- | libdimension/cube.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libdimension/cube.c b/libdimension/cube.c index d4c9d5b..4c1b955 100644 --- a/libdimension/cube.c +++ b/libdimension/cube.c @@ -129,10 +129,19 @@ dmnsn_cube_inside_fn(const dmnsn_object *cube, dmnsn_vector point) && point.z > -1.0 && point.z < 1.0; } +/** Boundary callback for a cube. */ +static dmnsn_bounding_box +dmnsn_cube_bounding_fn(const dmnsn_object *object, dmnsn_matrix trans) +{ + dmnsn_bounding_box box = dmnsn_symmetric_bounding_box(dmnsn_new_vector(1.0, 1.0, 1.0)); + return dmnsn_transform_bounding_box(trans, box); +} + /** Cube vtable. */ static const dmnsn_object_vtable dmnsn_cube_vtable = { .intersection_fn = dmnsn_cube_intersection_fn, .inside_fn = dmnsn_cube_inside_fn, + .bounding_fn = dmnsn_cube_bounding_fn, }; /* Allocate a new cube object */ @@ -141,7 +150,5 @@ dmnsn_new_cube(dmnsn_pool *pool) { dmnsn_object *cube = dmnsn_new_object(pool); cube->vtable = &dmnsn_cube_vtable; - cube->bounding_box.min = dmnsn_new_vector(-1.0, -1.0, -1.0); - cube->bounding_box.max = dmnsn_new_vector(1.0, 1.0, 1.0); return cube; } |