Commit: f54ed9f5e0f036503a8817a65d50d38e9abd43d9
Author: Bastien Montagne
Date: Thu Jan 30 16:48:29 2014 +0100
https://developer.blender.org/rBf54ed9f5e0f036503a8817a65d50d38e9abd43d9
Fix a nice bug in ED_view3d_win_to_vector() - vector returned for an ortho view
was negated compared to vector returned for the same view in perspective...
Found while working on snapping issues, confirmed using bisect tool: previous
to this commit, inner/outer parts were swapped when switching from otho to
persp!
===================================================================
M source/blender/editors/space_view3d/view3d_project.c
===================================================================
diff --git a/source/blender/editors/space_view3d/view3d_project.c
b/source/blender/editors/space_view3d/view3d_project.c
index 0c35398..dfc04f8 100644
--- a/source/blender/editors/space_view3d/view3d_project.c
+++ b/source/blender/editors/space_view3d/view3d_project.c
@@ -312,7 +312,6 @@ static void view3d_win_to_ray_segment(const ARegion *ar,
View3D *v3d, const floa
if (!r_ray_dir) r_ray_dir = _ray_dir;
ED_view3d_win_to_vector(ar, mval, r_ray_dir);
- negate_v3(r_ray_dir);
if (rv3d->is_persp) {
copy_v3_v3(r_ray_co, rv3d->viewinv[3]);
@@ -558,7 +557,7 @@ void ED_view3d_win_to_vector(const ARegion *ar, const float
mval[2], float out[3
sub_v3_v3(out, rv3d->viewinv[3]);
}
else {
- copy_v3_v3(out, rv3d->viewinv[2]);
+ negate_v3_v3(out, rv3d->viewinv[2]);
}
normalize_v3(out);
}
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