osgEarth::CullNodeByNormal Struct Reference

List of all members.

Public Member Functions
	CullNodeByNormal (const osg::Vec3d &normal)
void	operator() (osg::Node *node, osg::NodeVisitor *nv)
Public Attributes
osg::Vec3d	_normal

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Detailed Description

A simple culling-plane callback (a simpler version of ClusterCullingCallback)

Definition at line 183 of file Utils.

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Constructor & Destructor Documentation

CullNodeByNormal::CullNodeByNormal

(

const osg::Vec3d &

normal

)

Definition at line 68 of file Utils.cpp.

{
    _normal = normal;
    //_normal.normalize();
}

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Member Function Documentation

void CullNodeByNormal::operator()	(	osg::Node *	node,
		osg::NodeVisitor *	nv
	)

Definition at line 75 of file Utils.cpp.

{
    osg::Vec3d eye, center, up;
    osgUtil::CullVisitor* cv = static_cast<osgUtil::CullVisitor*>( nv );

    cv->getCurrentCamera()->getViewMatrixAsLookAt(eye,center,up);

    eye.normalize();
    osg::Vec3d normal = _normal;
    normal.normalize();

    double dotProduct = eye * normal;
    if ( dotProduct > 0.0 )
    {
        traverse(node, nv);
    }
}

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Member Data Documentation

osg::Vec3d osgEarth::CullNodeByNormal::_normal

Definition at line 184 of file Utils.

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The documentation for this struct was generated from the following files:

• /home/cube/sources/osgearth/src/osgEarth/Utils
• /home/cube/sources/osgearth/src/osgEarth/Utils.cpp