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small refac in smooth + small refac in tetramesh gl wrapper

This commit is contained in:
T.Alderighi 2018-05-25 11:25:00 +02:00
parent 81a93f7756
commit eb97fef7bd
2 changed files with 122 additions and 144 deletions
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3
vcg/complex/algorithms/smooth.h
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@ -223,6 +223,8 @@ class Smooth
v0 = t.V(Tetra::VofE(i, 0));
v1 = t.V(Tetra::VofE(i, 1));
if (cotangentFlag)
{
vo0 = t.V(Tetra::VofE(5 - i, 0));
vo1 = t.V(Tetra::VofE(5 - i, 1));
@ -230,6 +232,7 @@ class Smooth
ScalarType length = vcg::Distance(vo0->P(), vo1->P());
weight = (length / 6.) * (tan(M_PI / 2. - angle));
}
TD[v0].sum += v1->cP() * weight;
TD[v1].sum += v0->cP() * weight;

223
wrap/gl/tetramesh.h
View File

@ -43,78 +43,59 @@ public:
enum Hint {HShrinkFactor};
};
template <typename CONT_TETRA>
template <typename MeshType>
class GlTetramesh:public GLW{
public:
typedef typename CONT_TETRA::value_type TetraType;
typedef typename MeshType::TetraType TetraType;
typedef typename TetraType::VertexType VertexType;
typedef typename VertexType::ScalarType ScalarType;
typedef typename VertexType::CoordType Point3x;
typedef typename VertexType::CoordType CoordType;
//subclass for clipping planes
class ClipPlane
{
private:
Point3x D;
Point3x D0;
GLdouble eqn[4];
vcg::Matrix44<float> TR;
Point3x pp0;
Point3x pp1;
Point3x pp2;
Point3x pp3;
CoordType D, D0;
ScalarType dist;
GLdouble eqn[4];
public:
bool active;
Point3x P;
ClipPlane (){active=false;}
~ClipPlane (){}
ClipPlane(Point3x p0, Point3x p1,Point3x p2)
ClipPlane(CoordType & p0, CoordType & p1, CoordType & p2)
{
Point3x N=((p1-p0)^(p2-p0)).Normalize();
N.Normalize();
D=N;
D0=D;
P=(p0+p1+p2)/3.f;
CoordType N = ((p1-p0)^(p2-p0)).Normalize();
Point3x v0=N;
Point3x v1=(P-p0);
v1.Normalize();
Point3x v2=(v0^v1);
v2.Normalize();
v0=v0*2;
v1=v1*2;
v2=v2*2;
pp0=-v1-v2;
pp1=-v1+v2;
pp2=v1+v2;
pp3=v1-v2;
D = N;
D0 = D;
dist = vcg::Norm((p0 + p1 + p2) / 3.f);
}
//set normal of the clipping plane
void SetD(Point3x d)
void SetD(CoordType d)
{
D=d;
D = d;
D0 = d;
}
//set the point of the clipping plane
void SetP(Point3x p)
void SetDist(ScalarType d)
{
P=p;
dist = d;
}
bool IsClipped(Point3x p)
bool IsClipped(CoordType p)
{
return D.V(0) * p.X() + D.V(1) * p.Y() + D.V(2) * p.Z() - vcg::Norm(P) < 0;
return D.V(0) * p.X() + D.V(1) * p.Y() + D.V(2) * p.Z() - dist > 0;
}
void GlClip()
@ -132,55 +113,58 @@ public:
void GlDraw()
{
glPushMatrix();
glPushAttrib(0xffffffff);
glDisable(GL_CLIP_PLANE0);
const ScalarType w = 50;
glColor4f(1., 1., 0., 0.3);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_LIGHTING);
glEnable(GL_LIGHTING);
glEnable(GL_NORMALIZE);
glTranslate(P);
glMultMatrix(TR);
glLineWidth(0.5);
glColor3d(0.7,0,0.7);
glBegin(GL_LINE_LOOP);
glVertex(pp0);
glVertex(pp1);
glVertex(pp2);
glVertex(pp3);
glBegin(GL_LINES);
glVertex3f(0, 0, 0);
glVertex3f(dist, 0, 0);
glEnd();
glBegin(GL_TRIANGLES);
glVertex3f(dist, -w, w);
glVertex3f(dist, w, w);
glVertex3f(dist, -w, -w);
glVertex3f(dist, w, w);
glVertex3f(dist, w, -w);
glVertex3f(dist, -w, -w);
glEnd();
glPopAttrib();
glPopMatrix();
glDisable(GL_BLEND);
glEnable(GL_LIGHTING);
}
void Transform(vcg::Matrix44<float> Tr)
void Transform(vcg::Matrix44<float> & tr)
{
//thath's for casting in case of trackball using
//float to double and vice-versa
Point3f p=Point3f((float)D0.V(0),(float)D0.V(1),(float)D0.V(2));
TR=Tr;
p=TR*p;
D=Point3x((ScalarType) p.V(0),(ScalarType) p.V(1),(ScalarType) p.V(2));
D = (tr * D0).Normalize();
}
void Translate(float L)
void offsetDist(ScalarType off)
{
Point3x D1=D*L;
P+=D1;
dist = (off < -dist) ? 0.001f : dist + off;
}
bool IsActive()
{
return active;
}
bool switchActive()
{
return active ^= true;
}
};
GlTetramesh(CONT_TETRA * _t):tetra(_t){}
GlTetramesh(MeshType * m) : _m(m){}
GlTetramesh( ) {}
CONT_TETRA * tetra;
MeshType * _m;
ClipPlane section;
private:
ScalarType shrink_factor = 0.95f;
ScalarType shrink_factor = 0.98f;
public:
@ -191,7 +175,7 @@ public:
}
}
void AddClipSection(Point3x p0,Point3x p1,Point3x p2)
void AddClipSection(CoordType p0, CoordType p1, CoordType p2)
{
section=ClipPlane(p0,p1,p2);
section.active=true;
@ -206,45 +190,30 @@ public:
void Draw(){
switch (dm){
case DMNone: break;
case DMSmallTetra:_DrawSmallTetra<cm>();break;
case DMFlat:_DrawSurface<dm,nm,cm>();break;
case DMWire:_DrawSurface<dm,nm,cm>();break;
case DMHidden:_DrawSurface<dm,nm,cm>();break;
case DMFlatWire:_DrawFlatWire<nm,cm>(); break;
case DMTransparent:break;
case DMSmallTetra: _DrawSmallTetra<cm>();break;
case DMFlat: _DrawSurface<dm,nm,cm>();break;
case DMWire: _DrawSurface<dm,nm,cm>();break;
case DMHidden: _DrawSurface<dm,nm,cm>();break;
case DMFlatWire: _DrawFlatWire<nm,cm>(); break;
case DMTransparent: break;
}
}
private:
template <ColorMode cm >
void _DrawSmallTetra(){
typename CONT_TETRA::iterator it;
// glPushAttrib(0xffff);
// glEnable(GL_COLOR_MATERIAL);
// glEnable(GL_NORMALIZE);
// glPolygonMode(GL_FRONT, GL_FILL);
// glLight(GL_LIGHT0, GL_DIFFUSE, vcg::Color4b::White);
// glEnable(GL_LIGHT0);
// glEnable(GL_LIGHTING);
/*glBegin(GL_TRIANGLES);*/
for( it = tetra->begin(); it != tetra->end(); ++it)
if((!it->IsD())&&(!(it->IsS()))) //draw as normal
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
ForEachTetra(*_m, [] (TetraType & t) {
if (!t.IsD())
{
_DrawSmallTetra<cm>(*it);
}
else
if((!it->IsD())&&((it->IsS())))//draw in selection mode
{
_DrawSelectedTetra(*it);
}
//glEnd();
// glPopAttrib();
if (section.active)
{
// section.GlClip();
section.GlDraw();
if (!t.IsS()) //draw as normal
_DrawSmallTetra<cm>(t);
else //draw in selected mode
_DrawSelectedTetra(t);
}
});
}
template <NormalMode nm,ColorMode cm >
@ -264,7 +233,7 @@ private:
template <DrawMode dm,NormalMode nm,ColorMode cm >
void _DrawSurface(){
typename CONT_TETRA::iterator it;
glPushAttrib(0xffff);
glEnable(GL_COLOR_MATERIAL);
@ -281,10 +250,11 @@ private:
glEnable(GL_NORMALIZE);
glPolygonMode(GL_FRONT,GL_FILL);
}
//glBegin(GL_TRIANGLES);
for( it = tetra->begin(); it != tetra->end(); ++it)
_DrawTetra<dm,nm,cm>((*it));
//glEnd();
ForEachTetra(*_m, [] (TetraType & t) {
_DrawTetra<dm,nm,cm>(t);
});
glPopAttrib();
}
@ -355,14 +325,14 @@ private:
}
if (cm == CMPerTetra)
vcg::glColor(t.C());
// else
// if(cm == CMPerTetraF)
// {
// Color4b c;
// c = color_tetra(t);
// GLint ic[4]; ic[0] = c[0];ic[1] = c[1];ic[2] = c[2];ic[3] = c[3];
// glMaterialiv(GL_FRONT,GL_DIFFUSE ,ic);
// }
// else
// if(cm == CMPerTetraF)
// {
// Color4b c;
// c = color_tetra(t);
// GLint ic[4]; ic[0] = c[0];ic[1] = c[1];ic[2] = c[2];ic[3] = c[3];
// glMaterialiv(GL_FRONT,GL_DIFFUSE ,ic);
// }
}
template <ColorMode cm >
@ -370,14 +340,14 @@ private:
{
if (cm!=CMNone)
{
// if(cm == CMPerVertexF)
// {
// Color4b c;
// c = color_vertex(v);
// GLint ic[4]; ic[0] = c[0];ic[1] = c[1];ic[2] = c[2];ic[3] = c[3];
// glMaterialiv(GL_FRONT,GL_DIFFUSE ,ic);
// }
// else
// if(cm == CMPerVertexF)
// {
// Color4b c;
// c = color_vertex(v);
// GLint ic[4]; ic[0] = c[0];ic[1] = c[1];ic[2] = c[2];ic[3] = c[3];
// glMaterialiv(GL_FRONT,GL_DIFFUSE ,ic);
// }
// else
if(cm == CMPerVertex)
vcg::glColor(v.C());
}
@ -424,8 +394,11 @@ private:
template < ColorMode cm >
void _DrawSmallTetra(TetraType &t)
{
Point3x p[4], br;
CoordType p[4], br;
br = Tetra::Barycenter(t);
if (section.active)
{
if (section.IsClipped(br))
return;
bool border = false;
@ -434,14 +407,16 @@ private:
{
border = border || t.IsB(i);
Point3x br1 = Tetra::Barycenter(*t.TTp(i));
CoordType br1 = Tetra::Barycenter(*t.TTp(i));
clipBorder = clipBorder || section.IsClipped(br1);
}
if (!border && !clipBorder)
return;
}
for(int i = 0; i < 4; ++i)
// p[i] = t.V(i)->P();
p[i] = t.V(i)->P() * shrink_factor + br * (1 - shrink_factor);