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| author | don bright <hugh.m.bright@gmail.com> | 2013-01-28 02:42:20 (GMT) |
|---|---|---|
| committer | don bright <hugh.m.bright@gmail.com> | 2013-01-28 02:42:20 (GMT) |
| commit | 1e64dddf1ea30282c89de7f35854a68614234652 (patch) | |
| tree | 165d37c1c66f6ff79d48c74794238b3f0bed09da /src/polyset.cc | |
| parent | 5c779159c208ca3d88c88479ab29f9cd66574859 (diff) | |
| parent | d0856efe6da545693f9c50a8a2514a9f999ab5ef (diff) | |
Merge branch 'master' of github.com:openscad/openscad into issue159
Diffstat (limited to 'src/polyset.cc')
| -rw-r--r-- | src/polyset.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/polyset.cc b/src/polyset.cc index b412f5f..e601585 100644 --- a/src/polyset.cc +++ b/src/polyset.cc @@ -157,7 +157,8 @@ void PolySet::render_surface(csgmode_e csgmode, const Transform3d &m, GLint *sha } #endif /* ENABLE_OPENCSG */ if (this->is2d) { - double zbase = csgmode; + // Render 2D objects 1mm thick, but differences slightly larger + double zbase = 1 + (csgmode & CSGMODE_DIFFERENCE_FLAG) * 0.1; glBegin(GL_TRIANGLES); for (double z = -zbase/2; z < zbase; z += zbase) { @@ -248,7 +249,8 @@ void PolySet::render_edges(csgmode_e csgmode) const { glDisable(GL_LIGHTING); if (this->is2d) { - double zbase = csgmode; + // Render 2D objects 1mm thick, but differences slightly larger + double zbase = 1 + (csgmode & CSGMODE_DIFFERENCE_FLAG) * 0.1; for (double z = -zbase/2; z < zbase; z += zbase) { for (size_t i = 0; i < borders.size(); i++) { |