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A couple of API additions to osg::ClippingVolume, osg::Matrix and osg::Plane

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sent in by Mike Connell.
This commit is contained in:
Robert Osfield
2002-04-22 21:18:15 +00:00
parent dcfef4a023
commit 43abbe311e
3 changed files with 33 additions and 4 deletions
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27
include/osg/ClippingVolume
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@@ -11,7 +11,8 @@
namespace osg {
/** A ClippingVolume class for representing convex clipping volumes made up.*/
/** A ClippingVolume class for representing convex clipping volumes made up.
* When adding planes, their normals should point inwards (into the volume) */
class SG_EXPORT ClippingVolume
{
@@ -166,7 +167,31 @@ class SG_EXPORT ClippingVolume
return true;
}
/** Check whether the entire bounding sphere is contained within clipping set.*/
inline const bool containsAllOf(const osg::BoundingSphere& bs) const
{
for(PlaneList::const_iterator itr=_planeList.begin();
itr!=_planeList.end();
++itr)
{
if (itr->intersect(bs)<1) return false; // intersects, or is below plane.
}
return true;
}
/** Check whether the entire bounding box is contained within clipping set.*/
inline const bool containsAllOf(const osg::BoundingBox& bb) const
{
for(PlaneList::const_iterator itr=_planeList.begin();
itr!=_planeList.end();
++itr)
{
if (itr->intersect(bb)<1) return false; // intersects, or is below plane.
}
return true;
}
/** Transform the clipping set by matrix. Note, this operations carries out
* the calculation of the inverse of the matrix since to transforms
* planes must be multiplied my the inverse transposed. This