97f515985d
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
15 lines
446 B
C++
15 lines
446 B
C++
#include <OpenMesh/Core/Utils/GenProg.hh>
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// draw a face normal if we have one
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void drawFaceNormal(const MyMesh::Face& _f) {
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drawFaceNormal(_f, GenProg::Bool2Type<OM_Check_Attrib(MyMesh::Face, Normal)>());
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}
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// normal exists -> use it
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void drawFaceNormal(const MyMesh::Face& _f, GenProg::Bool2Type<true>) {
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glNormal3fv(_f.normal());
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}
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// empty dummy (no normals)
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void drawFaceNormal(const MyMesh::Face& _f, GenProg::Bool2Type<false>){}
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