diff options
Diffstat (limited to 'libdimension/plane.c')
-rw-r--r-- | libdimension/plane.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/libdimension/plane.c b/libdimension/plane.c index 93d5173..be3d91a 100644 --- a/libdimension/plane.c +++ b/libdimension/plane.c @@ -58,14 +58,13 @@ dmnsn_plane_intersection_fn(const dmnsn_object *plane, dmnsn_line line, { dmnsn_vector *normal = plane->ptr; - dmnsn_line line_trans = dmnsn_transform_line(plane->trans_inv, line); - double den = dmnsn_vector_dot(line_trans.n, *normal); + double den = dmnsn_vector_dot(line.n, *normal); if (den != 0.0) { - double t = -dmnsn_vector_dot(line_trans.x0, *normal)/den; + double t = -dmnsn_vector_dot(line.x0, *normal)/den; if (t >= 0.0) { intersection->ray = line; intersection->t = t; - intersection->normal = dmnsn_transform_normal(plane->trans, *normal); + intersection->normal = *normal; intersection->texture = plane->texture; intersection->interior = plane->interior; return true; |