FGFS-4.1/OpenSceneGraph
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Fixed cluster culling.

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This commit is contained in:
Robert Osfield
2004-07-09 20:58:43 +00:00
parent a7490a2ea2
commit 3f4b8e9034
3 changed files with 13 additions and 5 deletions
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11
src/osg/ClusterCullingCallback.cpp
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@@ -134,17 +134,18 @@ void ClusterCullingCallback::computeFrom(const osg::Drawable* drawable)
_radius = sqrtf(cdf._radius2);
}
void ClusterCullingCallback::set(const osg::Vec3& controlPoint, const osg::Vec3& normal, float deviation)
void ClusterCullingCallback::set(const osg::Vec3& controlPoint, const osg::Vec3& normal, float deviation, float radius)
{
_controlPoint = controlPoint;
_normal = normal;
_deviation = deviation;
_radius = radius;
}
bool ClusterCullingCallback::cull(osg::NodeVisitor* nv, osg::Drawable* , osg::State*) const
{
return false;
// return false;
if (_deviation<=-1.0f)
{
@@ -153,8 +154,12 @@ bool ClusterCullingCallback::cull(osg::NodeVisitor* nv, osg::Drawable* , osg::St
}
osg::Vec3 eye_cp = nv->getEyePoint() - _controlPoint;
float radius = eye_cp.length();
float deviation = (eye_cp * _normal)/eye_cp.length();
if (radius<_radius) return false;
float deviation = (eye_cp * _normal)/radius;
// osg::notify(osg::NOTICE)<<"ClusterCullingCallback::cull() _normal="<<_normal<<" _controlPointtest="<<_controlPoint<<" eye_cp="<<eye_cp<<std::endl;
// osg::notify(osg::NOTICE)<<" deviation="<<deviation<<" _deviation="<<_deviation<<" test="<<(deviation < _deviation)<<std::endl;