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some minor changes

This commit is contained in:
Nico Pietroni 2014-04-07 06:29:56 +00:00
parent b400ca4b75
commit 6071372992
1 changed files with 17 additions and 19 deletions
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36
wrap/gl/gl_field.h
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@ -14,44 +14,40 @@ class GLField
static void GLDrawField(CoordType dir[4], static void GLDrawField(CoordType dir[4],
CoordType center, CoordType center,
ScalarType &size) ScalarType &size,
bool oneside=false)
{ {
ScalarType size1=size;
ScalarType size2=size;
if (oneside)size2=0;
glLineWidth(2); glLineWidth(2);
vcg::glColor(vcg::Color4b(0,0,255,255)); vcg::glColor(vcg::Color4b(0,0,255,255));
glBegin(GL_LINES); glBegin(GL_LINES);
glVertex(center-dir[0]*size); glVertex(center+dir[0]*size1);
glVertex(center+dir[0]*size); glVertex(center-dir[0]*size2);
glEnd(); glEnd();
glLineWidth(2); glLineWidth(2);
vcg::glColor(vcg::Color4b(0,255,0,255)); vcg::glColor(vcg::Color4b(0,255,0,255));
glBegin(GL_LINES); glBegin(GL_LINES);
glVertex(center-dir[1]*size); glVertex(center+dir[1]*size1);
glVertex(center+dir[1]*size); glVertex(center-dir[1]*size2);
glEnd(); glEnd();
/*glLineWidth(1);
vcg::glColor(vcg::Color4b(0,0,0,255));
glBegin(GL_LINES);
for (int i=1;i<4;i++)
{
glVertex(center);
glVertex(center+dir[i]*size);
}
glEnd();*/
} }
///draw the cross field of a given face ///draw the cross field of a given face
static void GLDrawFaceField(const FaceType &f, static void GLDrawFaceField(const FaceType &f,
ScalarType &size) ScalarType &size,
bool oneside=false)
{ {
CoordType center=(f.cP0(0)+f.cP0(1)+f.cP0(2))/3; CoordType center=(f.cP0(0)+f.cP0(1)+f.cP0(2))/3;
CoordType normal=f.cN(); CoordType normal=f.cN();
CoordType dir[4]; CoordType dir[4];
vcg::tri::CrossField<MeshType>::CrossVector(f,dir); vcg::tri::CrossField<MeshType>::CrossVector(f,dir);
GLDrawField(dir,center,size); GLDrawField(dir,center,size,oneside);
} }
// static void GLDrawFaceSeams(const FaceType &f, // static void GLDrawFaceSeams(const FaceType &f,
@ -85,7 +81,9 @@ class GLField
public: public:
static void GLDrawFaceField(const MeshType &mesh) static void GLDrawFaceField(const MeshType &mesh,
ScalarType scale=0.002,
bool oneside=false)
{ {
glPushAttrib(GL_ALL_ATTRIB_BITS); glPushAttrib(GL_ALL_ATTRIB_BITS);
@ -93,12 +91,12 @@ public:
glEnable(GL_COLOR_MATERIAL); glEnable(GL_COLOR_MATERIAL);
glDisable(GL_LIGHTING); glDisable(GL_LIGHTING);
glDisable(GL_BLEND); glDisable(GL_BLEND);
ScalarType size=mesh.bbox.Diag()/400.0; ScalarType size=mesh.bbox.Diag()*scale;
for (unsigned int i=0;i<mesh.face.size();i++) for (unsigned int i=0;i<mesh.face.size();i++)
{ {
if (mesh.face[i].IsD())continue; if (mesh.face[i].IsD())continue;
//if (!mesh.face[i].leading)continue; //if (!mesh.face[i].leading)continue;
GLDrawFaceField(mesh.face[i],size); GLDrawFaceField(mesh.face[i],size,oneside);
} }
glPopAttrib(); glPopAttrib();
} }