// add full fill and subtract them from normal fill polys
void Layer::addFullPolygons(const vector<Poly> &newpolys, bool decor)
{
if (newpolys.size()==0) return;
Clipping clipp;
clipp.clear();
// full fill only where already normal fill
clipp.addPolys(fillPolygons,subject);
if (decor) clipp.addPolys(fullFillPolygons,subject);
clipp.addPolys(newpolys,clip);
clipp.setZ(Z);
vector<Poly> inter = clipp.intersect();
vector<Poly> normals = clipp.subtractMerged(thickness/2.);
if (decor) {// && LayerNo != 0) // no decor on base layers
decorPolygons.insert(decorPolygons.end(), inter.begin(), inter.end());
Clipping clipp;
clipp.addPolys(fullFillPolygons,subject);
clipp.addPolys(inter,clip);
clipp.setZ(Z);
setFullFillPolygons(clipp.subtract());
}
else {
fullFillPolygons.insert(fullFillPolygons.end(),inter.begin(),inter.end());
}
setNormalFillPolygons(normals);
// mergeFullPolygons(false); // done separately
}
void Layer::calcBridgeAngles(const Layer *layerbelow) {
bridge_angles.resize(bridgePolygons.size());
Clipping clipp;
vector<Poly> polysbelow = *(layerbelow->GetInnerShell());//clipp.getOffset(polygons,3*thickness);
bridgePillars.resize(bridgePolygons.size());
for (uint i=0; i<bridgePolygons.size(); i++)
{
// intersect bridge poly with polygons below (=pillars of bridge)
clipp.clear();
clipp.addPolys(polysbelow,subject);
clipp.addPolys(clipp.getOffset(bridgePolygons[i].outer,thickness),clip);
bridgePillars[i] = clipp.intersect();
// TODO detect circular bridges -> rotating infill?
// get average direction of the mutual connections of all the intersections
Vector2d dir(0,0);
for (uint p=0; p<bridgePillars[i].size(); p++){
for (uint q=p+1; q<bridgePillars[i].size(); q++){
// Vector2d p1,p2;
// bridgePillars[i][q].shortestConnectionSq(bridgePillars[i][p], p1,p2);
// dir += (p2-p1);
dir += bridgePillars[i][q].center - bridgePillars[i][p].center;
}
}
//cerr << pillars.size() << " - " << dir << endl;
bridge_angles[i] = atan2(dir.y(),dir.x());
if (bridge_angles[i]<0) bridge_angles[i]+=M_PI;
}
}
// add bridge polys and substract them from normal and full fill polys
void Layer::addBridgePolygons(const vector<Poly> newpolys)
{
if (newpolys.size()==0) return;
bridgePolygons.clear();
Clipping clipp;
clipp.clear();
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(newpolys,clip);
vector<Poly> inter = clipp.intersect();
bridgePolygons= inter;//.insert(bridgePolygons.end(),inter.begin(),inter.end());
clipp.clear();
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(inter,clip);
setNormalFillPolygons(clipp.substract());
mergeFullPolygons(true);
}
// add full fill and substract them from normal fill polys
void Layer::addFullPolygons(const vector<Poly> newpolys, bool decor)
{
if (newpolys.size()==0) return;
Clipping clipp;
clipp.clear();
// full fill only where already normal fill
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(newpolys,clip);
vector<Poly> inter = clipp.intersect();
if (decor)
decorPolygons.insert(decorPolygons.end(),inter.begin(),inter.end());
else
fullFillPolygons.insert(fullFillPolygons.end(),inter.begin(),inter.end());
//substract from normal fills
clipp.clear();
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(inter,clip);
setNormalFillPolygons(clipp.substract());
mergeFullPolygons(false);
}
void Layer::calcBridgeAngles(const Layer *layerbelow) {
bridge_angles.resize(bridgePolygons.size());
Clipping clipp;
vector<Poly> polysbelow = layerbelow->polygons;//clipp.getOffset(polygons,3*thickness);
for (uint i=0; i<bridgePolygons.size(); i++)
{
// intersect bridge poly with polygons below (=pillars of bridge)
clipp.clear();
clipp.addPolys(polysbelow,subject);
clipp.addPolys(clipp.getOffset(bridgePolygons[i],2*thickness),clip);
vector<Poly> pillars = clipp.intersect();
// get average direction of the connection lines of all the intersections
Vector2d dir(0,0);
for (uint p=0; p<pillars.size(); p++){
for (uint q=p+1; q<pillars.size(); q++){
dir+=pillars[q].center-pillars[p].center;
}
}
//cerr << pillars.size() << " - " << dir << endl;
bridge_angles[i] = atan2(dir.y,dir.x);
}
}
// these are used for the bridge polys of the layer above
vector <double> Layer::getBridgeRotations(const vector<Poly> polys) const{
vector<double> angles; angles.resize(polys.size());
Clipping clipp;
vector<Poly> offset = polygons;//clipp.getOffset(polygons,3*thickness);
for (uint i=0; i<polys.size(); i++)
{
// intersect bridge poly with polygons below (=pillars of bridge)
clipp.clear();
clipp.addPolys(offset,subject);
clipp.addPolys(clipp.getOffset(polys[i],2*thickness),clip);
vector<Poly> pillars = clipp.intersect();
// get average direction of the connection lines of all the intersections
Vector2d dir(0,0);
for (uint p=0; p<pillars.size(); p++){
for (uint q=p+1; q<pillars.size(); q++){
dir+=pillars[q].center-pillars[p].center;
}
}
//cerr << pillars.size() << " - " << dir << endl;
angles[i] = atan2(dir.y,dir.x);
}
return angles;
}