void GetSection(Geometry*target,Geometry*section,Geometry*res,bool inside_section,bool back_faces,float*perimeter)
{
Triangle cur_tr;
Lines lines;
std::vector<LineConf> lines_conf;
for(int i=0;i<target->tr.size();i++){
/*
for(int b=0;b<target->boxes.size();b++)
if(CrossBoxes(target->boxes[b].v[0],target->boxes[b].v[1],section->box1,section->box2))
for(int bi=0;bi<target->boxes[b].boxes.size();bi++)
{int i=target->boxes[b].boxes[bi];*/
if(CrossBoxes(target->tr_bb[i].v[0],target->tr_bb[i].v[1],section->box1,section->box2))
{
cur_tr = target->tr[i];
lines.clear();
lines_conf.clear();
GetCrTriangles(*section, cur_tr, lines,&lines_conf, target->tr_bb[i],perimeter);
bool ins = section->Inside(cur_tr.v[0]);
ins = xor(inside_section,ins);
if(lines.size())
{
//static int cc=0;
//cc++;
CutTriangle(cur_tr,lines,lines_conf,ins,res,!back_faces);
//if(cc==2)return;
}else
{
if(ins)
{
if(back_faces){swap(cur_tr.v[0],cur_tr.v[1]);cur_tr.norm.Inv();}
res->AddTriangle(cur_tr);
}//else
}
}
}
//printf("\n\nSection's triangles:%d\n",res->tr.size());
}
bool FileHelper::open(const std::string file_name, Lines& lines)
{
std::ifstream file(file_name.c_str(), std::ios::in);
if (!file)
{
return false;
}
lines.clear();
char buffer[buffer_size];
while (file.getline(buffer, buffer_size, '\n'))
{
lines.push_back(buffer);
}
return true;
}
