void Charge::drawLabel(QGLViewer& viewer, QFontMetrics& fontMetrics)
{
Vec pos(getPosition());
Vec shift = viewer.camera()->position() - pos;
shift.normalize();
pos = pos + 1.05 * shift * getRadius(true);
pos = viewer.camera()->projectedCoordinatesOf(pos);
pos.x -= fontMetrics.width(m_label)/2;
pos = viewer.camera()->unprojectedCoordinatesOf(pos);
viewer.renderText(pos[0], pos[1], pos[2], m_label);
}
void CSceneGraph::exportPovrayFile(void *pwin, const char *fname)
{
FILE *fp = fopen(fname, _WA_);
assert(fp!=NULL);
assert(pwin!=NULL);
char povincfname[512], povincfullfname[512];
//Assign the inc file name;
CreateIncFileName(fname, povincfname, povincfullfname);
//---------Main FILE---------------
//
ExportPovrayMaterial(fp);
QGLViewer *pviewer = (QGLViewer*)pwin;
qglviewer::Camera *pcamera = pviewer->camera();
ExportPovrayCamera(pcamera, fp);
fprintf(fp, "#include \"%s\"\n", povincfname);
ExportPovrayObjects(*this, fp);
fclose(fp);
//---------MESH FILE---------------
fp=fopen(povincfullfname, _WA_);
assert(fp!=NULL);
_exportPovrayMesh(fp);
fclose(fp);
}
Point_3 scene_point (const Point_2& p) const
{
QGLViewer* viewer = *QGLViewer::QGLViewerPool().begin();
qglviewer::Camera* camera = viewer->camera();
qglviewer::Vec vp (p.x(), p.y(), 0.1);
qglviewer::Vec vsp = camera->unprojectedCoordinatesOf (vp);
return Point_3 (vsp.x, vsp.y, vsp.z);
}
bool Scene_polyhedron_shortest_path_item::get_mouse_ray(QMouseEvent* mouseEvent, Ray_3& outRay)
{
bool found = false;
QGLViewer* viewer = *QGLViewer::QGLViewerPool().begin();
qglviewer::Camera* camera = viewer->camera();
const qglviewer::Vec point = camera->pointUnderPixel(mouseEvent->pos(), found);
if(found)
{
const qglviewer::Vec orig = camera->position();
outRay = Ray_3(Point_3(orig.x, orig.y, orig.z), Point_3(point.x, point.y, point.z));
}
return found;
}