merge

Merge remote branch 'upstream/visitor' into visitortests

Conflicts:
	src/export.cc
	src/openscad.cc
	src/polyset.cc
	src/transform.cc
	tests/CMakeLists.txt
	tests/FindGLEW.cmake
	tests/csgtermtest.cc

1 files changed, 36 insertions, 0 deletions

diff --git a/testdata/scad/features/render-tests.scad b/testdata/scad/features/render-tests.scad
new file mode 100644
index 0000000..5fcb026
--- /dev/null
+++ b/testdata/scad/features/render-tests.scad
@@ -0,0 +1,36 @@
+module edgeprofile()
+{
+  difference() {
+    cube([20, 20, 150], center = true);
+    translate([-10, -10, 0]) cylinder(h = 80, r = 10, center = true);
+  }
+}
+
+module rendered_edgeprofile()
+{
+  render(convexity = 2) edgeprofile();
+}
+
+module mycube() {
+  difference() {
+    cube(100, center = true);
+    translate([ -50, -50, 0 ]) rotate(180, [0, 0, 1]) edgeprofile();
+    translate([ 50, -50, 0 ]) rotate(270, [0, 0, 1]) edgeprofile();
+  }
+}
+
+module rendered_mycube() {
+  difference() {
+    cube(100, center = true);
+    translate([ -50, -50, 0 ]) rotate(180, [0, 0, 1]) rendered_edgeprofile();
+    translate([ 50, -50, 0 ]) rotate(270, [0, 0, 1]) rendered_edgeprofile();
+  }
+}
+
+// Empty
+render();
+// No children
+render() { }
+
+mycube();
+translate([110,0,0]) rendered_mycube();