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- Calculate normals (incorrectly for curved surfaces)

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This commit is contained in:
Thomas Krijnen
2011-10-27 20:42:51 +00:00
parent ac155dc810
commit 5ef06dca64
3 changed files with 60 additions and 8 deletions
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src/ifcobj/IfcObj.cpp
+10 -2
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@@ -72,7 +72,9 @@ int main ( int argc, char** argv ) {
do {
const IfcGeomObjects::IfcGeomObject* o = IfcGeomObjects::Get();
if ( o->type == "IfcSpace" || o->type == "IfcOpeningElement" ) continue;
fObj << "o " << o->name << std::endl;
const std::string name = o->name.empty() ? o->guid : o->name;
fObj << "g " << name << std::endl;
fObj << "s 1" << std::endl;
fObj << "usemtl " << o->type << std::endl;
materials.insert(o->type);
const int vcount = o->mesh->verts.size() / 3;
@@ -82,11 +84,17 @@ int main ( int argc, char** argv ) {
const float z = *(it++);
fObj << "v " << x << " " << y << " " << z << std::endl;
}
for ( IfcGeomObjects::FltIt it = o->mesh->normals.begin(); it != o->mesh->normals.end(); ) {
const float x = *(it++);
const float y = *(it++);
const float z = *(it++);
fObj << "vn " << x << " " << y << " " << z << std::endl;
}
for ( IfcGeomObjects::IntIt it = o->mesh->faces.begin(); it != o->mesh->faces.end(); ) {
const int v1 = *(it++)-vcount;
const int v2 = *(it++)-vcount;
const int v3 = *(it++)-vcount;
fObj << "f " << v1 << " " << v2 << " " << v3 << std::endl;
fObj << "f " << v1 << "//" << v1 << " " << v2 << "//" << v2 << " " << v3 << "//" << v3 << std::endl;
}
const int progress = IfcGeomObjects::Progress() / 2;