void LandmarkCapturePlugin::drawSingleLandmark(MeshModel * mp, int ii, int j, QPainter *p,GLArea * gla)
{
int sens = (int)gla->width()/(int(sqrt((double)mp->cm.vert.size()))-1);
int maxPs = (int)gla->width()/40;
CMeshO::VertexPointer vp = &mp->cm.vert[ii];
if(vp != NULL){
int ps = maxPs<(sens/2)?maxPs:sens/2;
glPointSize(ps);
//glPointSize(sens/2);
glEnable( GL_POINT_SMOOTH );
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glPushMatrix();
glBegin (GL_POINTS);
//glNormal3f (0.0, 0.0, 1.0);
glColor4f(1, 0, 0, .3f);
//glColor3f(1.0,0.0,0.0);
glVertex(vp->P());
glEnd();
glPopMatrix();
glDisable(GL_POINT_SMOOTH);
int i = tri::Index(mp->cm,vp);
//QString buf =QString("\nlm%1 v%2:(%3 %4 %5)").arg(j).arg(i).arg(vp->P()[0]).arg(vp->P()[1]).arg(vp->P()[2]);
QString buf =QString("\nlm%1").arg(j);
vcg::glLabel::render(p,vp->P(),buf);
}
}
/**
This function compute the repulsion beetwen particles
@param MeshModel* b_m - base mesh
@param MeshModel* c_m - cloud of points
@param int k - max number of particle to repulse
@param float l - lenght of the step
@return nothing - adhesion factor
*/
void ComputeRepulsion(MeshModel* b_m,MeshModel *c_m,int k,float l,Point3f g,float a){
CMeshO::PerVertexAttributeHandle<Particle<CMeshO> > ph = Allocator<CMeshO>::GetPerVertexAttribute<Particle<CMeshO> >(c_m->cm,"ParticleInfo");
MetroMeshVertexGrid v_grid;
std::vector< Point3<float> > v_points;
std::vector<CMeshO::VertexPointer> vp;
std::vector<float> distances;
v_grid.Set(c_m->cm.vert.begin(),c_m->cm.vert.end(),b_m->cm.bbox);
CMeshO::VertexIterator vi;
for(vi=c_m->cm.vert.begin();vi!=c_m->cm.vert.end();++vi){
vcg::tri::GetKClosestVertex(c_m->cm,v_grid,k,vi->P(),EPSILON,vp,distances,v_points);
for(unsigned int i=0;i<vp.size();i++){CMeshO::VertexPointer v = vp[i];
if(v->P()!=vi->P() && !v->IsD() && !vi->IsD()){
Ray3<float> ray(vi->P(),fromBarCoords(RandomBaricentric(),ph[vp[i]].face));
ray.Normalize();
Point3f dir=ray.Direction();
dir.Normalize();
MoveParticle(ph[vp[i]],vp[i],0.01,1,dir,g,a);
}
}
}
}
void LandmarkCapturePlugin::drawPoint(CMeshO::VertexPointer vp, int i, MeshModel &m, GLArea *gla, QPainter *p)
{
QString buf;
{
buf =QString("\nv%1: (%3 %4 %5)").arg(i).arg(vp->P()[0]).arg(vp->P()[1]).arg(vp->P()[2]);
vcg::glLabel::render(p,vp->P(),buf);
/*
buf =QString("\nv%1:%2 (%3 %4 %5)").arg(i).arg(fp->V(i) - &m.cm.vert[0]).arg(fp->P(i)[0]).arg(fp->P(i)[1]).arg(fp->P(i)[2]);
if( m.hasDataMask(MeshModel::MM_VERTQUALITY) )
buf +=QString(" - Q(%1)").arg(fp->V(i)->Q());
if( m.hasDataMask(MeshModel::MM_WEDGTEXCOORD) )
buf +=QString("- uv(%1 %2) id:%3").arg(fp->WT(i).U()).arg(fp->WT(i).V()).arg(fp->WT(i).N());
if( m.hasDataMask(MeshModel::MM_VERTTEXCOORD) )
buf +=QString("- uv(%1 %2) id:%3").arg(fp->V(i)->T().U()).arg(fp->V(i)->T().V()).arg(fp->V(i)->T().N());
vcg::glLabel::render(p,fp->P(),buf);
*/
}
//p->drawText(QRect(0,0,gla->width(),gla->height()), Qt::AlignLeft | Qt::TextWordWrap, buf);
//p->restore();
//p->beginNativePainting();
}
/**
@def This function move a particle over the mesh
*/
void MoveParticle(Particle<CMeshO> &info,CMeshO::VertexPointer p,float l,int t,Point3f dir,Point3f g,float a){
if(CheckFallPosition(info.face,g,a)){
p->SetS();
return;
}
float time=t;
if(dir.Norm()==0) dir=getRandomDirection();
Point3f new_pos;
Point3f current_pos;
Point3f int_pos;
CMeshO::FacePointer current_face=info.face;
CMeshO::FacePointer new_face;
new_face=current_face;
current_pos=p->P();
new_pos=StepForward(current_pos,info.v,info.mass,current_face,g+dir,l,time);
while(!IsOnFace(new_pos,current_face)){
int edge=ComputeIntersection(current_pos,new_pos,current_face,new_face,int_pos);
if(edge!=-1){
Point3f n = new_face->N();
if(CheckFallPosition(new_face,g,a)) p->SetS();
float elapsed_time=GetElapsedTime(current_pos,int_pos,new_pos,time);
info.v=GetNewVelocity(info.v,current_face,new_face,g+dir,g,info.mass,elapsed_time);
time=time-elapsed_time;
current_pos=int_pos;
current_face->Q()+=elapsed_time*5;
current_face=new_face;
new_pos=int_pos;
if(time>0){
if(p->IsS()) break;
new_pos=StepForward(current_pos,info.v,info.mass,current_face,g+dir,l,time);
}
current_face->C()=Color4b::Green;//Just Debug!!!!
}else{
//We are on a border
new_pos=int_pos;
current_face=new_face;
p->SetS();
break;
}
}
p->P()=new_pos;
info.face=current_face;
}