Scene_Objects::Scene_Objects()
{
ObjectId=0;
ObjectPos=0;
pnts.clear();
pen = QPen();
brush = QBrush();
QPointF pnt1(0,0);
ObjectStrtBoundPnt=pnt1;
ObjectEndBoundPnt=pnt1;
rotation=0;
}
bool MultilevelHexahedronSetTopologyContainer::Component::getConnection(const Component* other,
Vec<3, int>& connection) const
{
if((this->_id - other->_id).norm2() > 3)
return false;
const int level = this->getLevel();
const int size = 1 << level;
// check if the two components contain neighboring voxels
for(std::set<Vec3i>::const_iterator voxelIter = this->_voxels.begin();
voxelIter != this->_voxels.end(); ++voxelIter)
{
const Vec3i& voxel1 = (*voxelIter);
if((voxel1[0] % size > 0) && (voxel1[1] % size > 0) && (voxel1[2] % size > 0)
&& (voxel1[0] % size < size -1) && (voxel1[1] % size < size - 1) && (voxel1[2] % size < size - 1))
continue;
for(std::set<Vec3i>::const_iterator voxelIter2 = other->_voxels.begin();
voxelIter2 != other->_voxels.end(); ++voxelIter2)
{
const Vec3i& voxel2 = (*voxelIter2);
if((voxel2[0] % size > 0) && (voxel2[1] % size > 0) && (voxel2[2] % size > 0)
&& (voxel2[0] % size < size -1) && (voxel2[1] % size < size - 1) && (voxel2[2] % size < size - 1))
continue;
const Vec3i diff(voxel1 - voxel2);
const int diffNorm2 = diff.norm2();
if(diffNorm2 == 1) // face connection
{
connection = diff;
return true;
}
else if(diffNorm2 == 2) // edge connection iff the connecting edge is also an edge of the top level comp.
{
if(level == 0)
{
connection = diff;
}
else
{
Vec3i d0, d1;
d0[0] = (diff[0] == 1) ? 1 : 0;
d0[1] = (diff[1] == 1) ? 1 : 0;
d0[2] = (diff[2] == 1) ? 1 : 0;
d1[0] = (diff[0] == 1) ? 1 : ((diff[0] == 0) ? 1 : 0);
d1[1] = (diff[1] == 1) ? 1 : ((diff[1] == 0) ? 1 : 0);
d1[2] = (diff[2] == 1) ? 1 : ((diff[2] == 0) ? 1 : 0);
Vec3i pnt0((*voxelIter2) + d0);
pnt0[0] = pnt0[0] % size;
pnt0[1] = pnt0[1] % size;
pnt0[2] = pnt0[2] % size;
pnt0[0] = (pnt0[0] == 0) ? 1 : 0;
pnt0[1] = (pnt0[1] == 0) ? 1 : 0;
pnt0[2] = (pnt0[2] == 0) ? 1 : 0;
Vec3i pnt1((*voxelIter2) + d1);
pnt1[0] = pnt1[0] % size;
pnt1[1] = pnt1[1] % size;
pnt1[2] = pnt1[2] % size;
pnt1[0] = (pnt1[0] == 0) ? 1 : 0;
pnt1[1] = (pnt1[1] == 0) ? 1 : 0;
pnt1[2] = (pnt1[2] == 0) ? 1 : 0;
connection[0] = diff[0] * pnt0[0] * pnt1[0];
connection[1] = diff[1] * pnt0[1] * pnt1[1];
connection[2] = diff[2] * pnt0[2] * pnt1[2];
}
return true;
}
else if(diffNorm2 == 3) // vertex connection iff the connecting vertex is also a vertex of the top level comp.
{
if(level == 0)
{
connection = diff;
}
else
{
Vec3i d;
d[0] = (diff[0] == 1) ? 1 : 0;
d[1] = (diff[1] == 1) ? 1 : 0;
d[2] = (diff[2] == 1) ? 1 : 0;
Vec3i pnt((*voxelIter2) + d);
pnt[0] = pnt[0] % size;
pnt[1] = pnt[1] % size;
pnt[2] = pnt[2] % size;
pnt[0] = (pnt[0] == 0) ? 1 : 0;
pnt[1] = (pnt[1] == 0) ? 1 : 0;
pnt[2] = (pnt[2] == 0) ? 1 : 0;
connection[0] = diff[0] * pnt[0];
connection[1] = diff[1] * pnt[1];
connection[2] = diff[2] * pnt[2];
}
return true;
}
}
}
return false;
}