From 1374b946398544a28ac989c75570d4b7c6937873 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Wed, 14 Sep 2011 18:56:08 -0400 Subject: Transform normals as pseudovectors, not vectors. Also clarify the vector transformation API. Instead of dmnsn_transform_vector(), we have: - dmnsn_transform_point() - dmnsn_transform_direction() - dmnsn_transform_normal() --- libdimension/pigment.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libdimension/pigment.c') diff --git a/libdimension/pigment.c b/libdimension/pigment.c index 8c1cc9a..3650ba3 100644 --- a/libdimension/pigment.c +++ b/libdimension/pigment.c @@ -71,7 +71,7 @@ dmnsn_color dmnsn_evaluate_pigment(const dmnsn_pigment *pigment, dmnsn_vector v) { if (pigment->pigment_fn) { - dmnsn_vector v_trans = dmnsn_transform_vector(pigment->trans_inv, v); + dmnsn_vector v_trans = dmnsn_transform_point(pigment->trans_inv, v); return pigment->pigment_fn(pigment, v_trans); } else { return pigment->quick_color; -- cgit v1.2.3