corrected bug on FollowDirection

2012-12-31 16:20:23 +00:00 · 2012-12-31 16:20:23 +00:00 · e1481b34ac
parent a3a542edf2
commit e1481b34ac
1 changed files with 16 additions and 2 deletions
--- a/vcg/complex/algorithms/parametrization/tangent_field_operators.h
+++ b/vcg/complex/algorithms/parametrization/tangent_field_operators.h
@ -67,7 +67,21 @@ namespace vcg {
                CoordType dirR=vcg::tri::CrossField<MeshType>::Rotate(f0,f1,dirS);
                ///then get the closest upf to K*PI/2 rotations
                CoordType dir1=f1.cPD1();
-                int ret=I_K_PI(dir1,dirR,f1.cN());
+                //int ret=I_K_PI(dir1,dirR,f1.cN());
+                CoordType dir[4];
+                CrossVector(f1,dir);
+                ScalarType best=-1;
+                int ret=-1;
+                for (int i=0;i<4;i++)
+                {
+                    ScalarType dot=dir[i]*dirR;
+                    if (dot>best)
+                    {
+                        best=dot;
+                        ret=i;
+                    }
+                }
+                assert(ret!=-1);
                return ret;
            }