Changeset 11678 for OpenSceneGraph/trunk/examples/osgtext3D/osgtext3D.cpp

Timestamp:

07/15/10 13:32:31 (3 years ago)

Author:

robert

Message:

Added handling of duplicate vertices

Files:

• OpenSceneGraph/trunk/examples/osgtext3D/osgtext3D.cpp (modified) (1 diff)

OpenSceneGraph/trunk/examples/osgtext3D/osgtext3D.cpp

@@ -88 +88 @@
     osg::Vec3 v21(v2-v1);
     osg::Vec3 v32(v3-v2);
-    v21.normalize();
-    v32.normalize();
+    float length_21 = v21.normalize();
+    float length_32 = v32.normalize();
+
+    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;
-
-    float t = 5.0;
-
     osg::Vec3 bisector(v32-v21);