Polygon3D ConvertPolygon(IPPolygonStruct* p)
{
std::vector<HomogeneousPoint> vertices;
std::vector<Vector3D> tmpNormals;
vertices.reserve(3);
tmpNormals.reserve(3);
bool badNormal = false;
IPVertexStruct* v = p->PVertex;
while (v != NULL)
{
// assume 3D. no indication in structure...
IPAttributeStruct* vertexAttrRGB = AttrFindAttribute(v->Attr, "rgb");
if (vertexAttrRGB != NULL)
{
int vr, vg, vb;
sscanf_s(vertexAttrRGB->U.Str, "%d,%d,%d", &vr, &vg, &vb);
vertices.push_back(HomogeneousPoint(v->Coord[0], v->Coord[1], v->Coord[2], 1.0, RGB(vr, vg, vb)));
}
else
{
vertices.push_back(HomogeneousPoint(v->Coord[0], v->Coord[1], v->Coord[2]));
}
if (v->Normal[0] == 0 && v->Normal[1] == 0 && v->Normal[2] == 0)
{
badNormal = true;
}
tmpNormals.push_back(Vector3D(v->Normal[0], v->Normal[1], v->Normal[2]));
v = v->Pnext;
}
if (badNormal)
{
tmpNormals.clear();
}
IPAttributeStruct* polyAttrRGB = AttrFindAttribute(p->Attr, "rgb");
if (polyAttrRGB != NULL)
{
int pr, pg, pb;
sscanf_s(polyAttrRGB->U.Str, "%d,%d,%d", &pr, &pg, &pb);
return Polygon3D(vertices, tmpNormals, RGB(pr,pg,pb));
}
else
{
return Polygon3D(vertices, tmpNormals);
}
}
void Spot::setPosition(const ofVec3f& pos)
{
active = true;
position = pos;
vector<ofVec3f> vertexs;
vertexs.push_back(ofVec3f(-size * 0.5f, 0, -size * 0.5f));
vertexs.push_back(ofVec3f(size * 0.5f, 0, -size * 0.5f));
vertexs.push_back(ofVec3f(size * 0.5f, 0, size * 0.5f));
vertexs.push_back(ofVec3f(-size * 0.5f, 0, size * 0.5f));
area = Polygon3D(vertexs);
}
