bool Scene::initialize()
{
bool res = true;
for (unsigned int i = 0; i < num_geometries(); i++)
res &= geometries[i]->initialize();
return res;
}
box2d<double> envelope() const
{
box2d<double> result;
for (unsigned i=0;i<num_geometries();++i)
{
geometry2d const& geom = get_geometry(i);
if (i==0)
{
box2d<double> box = geom.envelope();
result.init(box.minx(),box.miny(),box.maxx(),box.maxy());
}
else
{
result.expand_to_include(geom.envelope());
}
}
return result;
}
