BBox SpherePrimitive::wsBounds(Geo::Geometry::CPtr geometry) const
{
assert(geometry != NULL);
assert(geometry->particles() != NULL);
if (!geometry->particles()) {
Log::warning("SpherePrimitive has no particles. "
"Skipping bounds generation.");
return BBox();
}
BBox wsBBox;
AttrVisitor visitor(geometry->particles()->pointAttrs(), m_params);
Attr<V3f> wsCenter("P");
Attr<float> radius("radius");
for (AttrVisitor::const_iterator i = visitor.begin(), end = visitor.end();
i != end; ++i) {
i.update(wsCenter);
i.update(radius);
wsBBox.extendBy(wsCenter.as<Vector>() + radius.as<Vector>());
wsBBox.extendBy(wsCenter.as<Vector>() - radius.as<Vector>());
}
return wsBBox;
}
BBox PointBase::wsBounds(Geo::Geometry::CPtr geometry) const
{
assert(geometry != NULL);
assert(geometry->particles() != NULL);
if (!geometry->particles()) {
Log::warning("Rasterization primitive has no particles. "
"Skipping bounds generation.");
return BBox();
}
BBox wsBBox;
AttrVisitor visitor(geometry->particles()->pointAttrs(), m_params);
for (AttrVisitor::const_iterator i = visitor.begin(), end = visitor.end();
i != end; ++i) {
BBox pointBounds = pointWsBounds(i);
wsBBox.extendBy(pointBounds);
}
return wsBBox;
}