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75 lines
2.7 KiB
75 lines
2.7 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSG_CLUSTERCULLINGCALLBACK |
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#define OSG_CLUSTERCULLINGCALLBACK 1 |
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#include <osg/Drawable> |
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#include <osg/NodeCallback> |
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namespace osg { |
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/** Implements cluster culling to cull back facing drawables. Derived from |
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* Drawable::CullCallback. |
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*/ |
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class OSG_EXPORT ClusterCullingCallback : public Drawable::CullCallback, public NodeCallback |
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{ |
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public: |
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ClusterCullingCallback(); |
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ClusterCullingCallback(const ClusterCullingCallback& ccc,const CopyOp& copyop); |
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ClusterCullingCallback(const osg::Vec3& controlPoint, const osg::Vec3& normal, float deviation); |
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ClusterCullingCallback(const osg::Drawable* drawable); |
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META_Object(osg,ClusterCullingCallback); |
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/** Computes the control point, normal, and deviation from the |
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* given drawable contents. */ |
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void computeFrom(const osg::Drawable* drawable); |
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/** Transform the ClusterCullingCallback's positional members to a new coordinate frame.*/ |
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void transform(const osg::Matrixd& matrix); |
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void set(const osg::Vec3& controlPoint, const osg::Vec3& normal, float deviation, float radius); |
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void setControlPoint(const osg::Vec3& controlPoint) { _controlPoint = controlPoint; } |
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const osg::Vec3& getControlPoint() const { return _controlPoint; } |
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void setNormal(const osg::Vec3& normal) { _normal = normal; } |
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const osg::Vec3& getNormal() const { return _normal; } |
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void setRadius(float radius) { _radius = radius; } |
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float getRadius() const { return _radius; } |
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void setDeviation(float deviation) { _deviation = deviation; } |
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float getDeviation() const { return _deviation; } |
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virtual bool cull(osg::NodeVisitor*, osg::Drawable*, osg::State*) const; |
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/** Callback method called by the NodeVisitor when visiting a node.*/ |
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virtual void operator()(Node* node, NodeVisitor* nv); |
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protected: |
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virtual ~ClusterCullingCallback() {} |
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osg::Vec3 _controlPoint; |
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osg::Vec3 _normal; |
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float _radius; |
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float _deviation; |
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}; |
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} |
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#endif
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