FGFS-4.1/OpenSceneGraph
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Added handling of duplicate vertices

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This commit is contained in:
Robert Osfield 2010-07-15 11:32:31 +00:00
parent 18ad93b7cd
commit f2de3468ef
1 changed files with 19 additions and 3 deletions
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22
examples/osgtext3D/osgtext3D.cpp
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@ -87,12 +87,28 @@ osg::Vec3 computeNewVertexPosition(osg::Vec3& v1, osg::Vec3& v2, osg::Vec3& v3)
double angle = computeAngle(v1,v2,v3); double angle = computeAngle(v1,v2,v3);
osg::Vec3 v21(v2-v1); osg::Vec3 v21(v2-v1);
osg::Vec3 v32(v3-v2); osg::Vec3 v32(v3-v2);
v21.normalize(); float length_21 = v21.normalize();
v32.normalize(); float length_32 = v32.normalize();
osg::Vec3 cross = v21^v32;
float t = 5.0; float t = 5.0;
if (length_21==0.0)
{
OSG_NOTICE<<"length_21=="<<length_21<<", length_32="<<length_32<<std::endl;
osg::Vec3 bisector = v32 ^ osg::Vec3(0.0f,0.0f,1.0f);
bisector.normalize();
osg::Vec3 new_vertex = v2 + bisector * t;
return new_vertex;
}
else if (length_32==0.0)
{
OSG_NOTICE<<"length_21=="<<length_21<<", length_32="<<length_32<<std::endl;
osg::Vec3 bisector = v21 ^ osg::Vec3(0.0f,0.0f,1.0f);
bisector.normalize();
osg::Vec3 new_vertex = v2 + bisector * t;
return new_vertex;
}
osg::Vec3 cross = v21^v32;
osg::Vec3 bisector(v32-v21); osg::Vec3 bisector(v32-v21);
if (bisector.length()<0.5) if (bisector.length()<0.5)