OSG_BASE_DLLMAPPING
void extend(SphereVolume &srcVol, const CylinderVolume &vol)
{
Pnt3f min, max, min1, max1, min2, max2, c;
Real32 r;
if((!srcVol.isValid () && !srcVol.isEmpty()) ||
srcVol.isInfinite() ||
srcVol.isStatic () )
{
return;
}
if(!vol.isValid())
return;
if(srcVol.isEmpty())
{
if(vol.isEmpty())
{
return;
}
else
{
vol.getBounds(min, max);
vol.getCenter(c);
r = (min - c).length();
srcVol.setValue(c, r);
return;
}
}
else if(vol.isEmpty())
{
return;
}
srcVol.getBounds(min, max);
vol .getBounds(min1, max1);
min2 = Pnt3f(osgMin(min.x(), min1.x()),
osgMin(min.y(), min1.y()),
osgMin(min.z(), min1.z()));
max2 = Pnt3f(osgMax(max.x(), max1.x()),
osgMax(max.y(), max1.y()),
osgMax(max.z(), max1.z()));
c = Pnt3f((min2.x() + max2.x()) * 0.5f,
(min2.y() + max2.y()) * 0.5f,
(min2.z() + max2.z()) * 0.5f);
r = ((max2 - min2).length()) * 0.5f;
srcVol.setValue(c, r);
return;
}
OSG_BASE_DLLMAPPING
void extend(SphereVolume &srcVol, const Volume &vol)
{
const Volume *v = &vol;
const SphereVolume *sphere;
#ifndef OSG_2_PREP
const DynamicVolume *dynamic = dynamic_cast<const DynamicVolume *>(v);
if(dynamic)
{
v = &(dynamic->getInstance());
}
#endif
if((sphere = dynamic_cast<const SphereVolume *>(v)) != NULL)
{
OSG::extend(srcVol, *sphere);
}
else
{
SphereVolume localSphere;
Pnt3f min, max, c;
Real32 r;
v->getBounds(min, max);
c = Pnt3f((min.x() + max.x()) * 0.5f,
(min.y() + max.y()) * 0.5f,
(min.z() + max.z()) * 0.5f);
r = ((max - min).length()) * 0.5f;
localSphere.setValue(c, r);
OSG::extend(srcVol, localSphere);
}
return;
}
OSG_BASE_DLLMAPPING
void extend(SphereVolume &srcVol, const BoxVolume &vol)
{
Pnt3f min, max, min1, max1, c;
Real32 r;
BoxVolume vol1;
vol.getBounds(min, max);
if((!srcVol.isValid () && !srcVol.isEmpty()) ||
srcVol.isInfinite() ||
srcVol.isStatic () )
{
return;
}
if(!vol.isValid())
return;
if(srcVol.isEmpty())
{
if(vol.isEmpty())
{
return;
}
else
{
c = Pnt3f((min.x() + max.x()) * 0.5f,
(min.y() + max.y()) * 0.5f,
(min.z() + max.z()) * 0.5f);
r = ((max - min).length()) / 2;
srcVol.setValue(c, r);
return;
}
}
else if(vol.isEmpty())
{
return;
}
srcVol.getBounds(min1, max1);
vol1.setBounds(osgMin(min.x(), min1.x()), osgMin(min.y(), min1.y()),
osgMin(min.z(), min1.z()), osgMax(max.x(), max1.x()),
osgMax(max.y(), max1.y()), osgMax(max.z(), max1.z()));
vol1.getBounds(min, max);
c = Pnt3f((min.x() + max.x()) * 0.5f,
(min.y() + max.y()) * 0.5f,
(min.z() + max.z()) * 0.5f);
r = ((max - min).length()) / 2;
srcVol.setValue(c, r);
return;
}
