C++ (Cpp) VRGeometry::setPositions Examples

Example #1

File: VRGeometry.cpp Project: AntonChalakov/polyvr

void VRGeometry::showGeometricData(string type, bool b) {
    if (dataLayer.count(type)) dataLayer[type]->destroy();

    VRGeometry* geo = new VRGeometry("DATALAYER_"+getName()+"_"+type, true);
    dataLayer[type] = geo;
    addChild(geo);

    GeoColor3fPropertyRecPtr cols = GeoColor3fProperty::create();
    GeoPnt3fPropertyRecPtr pos = GeoPnt3fProperty::create();
    GeoUInt32PropertyRecPtr inds = GeoUInt32Property::create();

    Pnt3f p;
    Vec3f n;

    if (type == "Normals") {
        GeoVectorPropertyRecPtr g_norms = mesh->getNormals();
        GeoVectorPropertyRecPtr g_pos = mesh->getPositions();
        for (uint i=0; i<g_norms->size(); i++) {
            p = g_pos->getValue<Pnt3f>(i);
            n = g_norms->getValue<Vec3f>(i);
            pos->addValue(p);
            pos->addValue(p+n*0.1);
            cols->addValue(Vec3f(1,1,1));
            cols->addValue(Vec3f(abs(n[0]),abs(n[1]),abs(n[2])));
            inds->addValue(2*i);
            inds->addValue(2*i+1);
        }

        geo->setPositions(pos);
        geo->setType(GL_LINE);
        geo->setColors(cols);
        geo->setIndices(inds);
    }

    VRMaterial* m = new VRMaterial("some-mat");
    geo->setMaterial(m);
    m->setLit(false);
}