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84 lines
2.4 KiB
84 lines
2.4 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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//osgDragger - Copyright (C) 2007 Fugro-Jason B.V. |
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#ifndef _OSG_ANTISQUISH_ |
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#define _OSG_ANTISQUISH_ 1 |
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#include <osgManipulator/Export> |
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#include <osg/Matrix> |
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#include <osg/CopyOp> |
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#include <osg/NodeVisitor> |
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#include <osg/NodeCallback> |
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#include <osg/MatrixTransform> |
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#include <osg/Quat> |
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#include <osg/Vec3> |
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namespace osgManipulator { |
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/** |
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* Class that performs the Anti Squish by making the scaling uniform along all axes. |
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*/ |
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class OSGMANIPULATOR_EXPORT AntiSquish: public osg::MatrixTransform |
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{ |
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public : |
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AntiSquish(); |
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AntiSquish(const osg::Vec3d& pivot); |
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AntiSquish(const osg::Vec3d& pivot, const osg::Vec3d& position); |
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AntiSquish(const AntiSquish& pat, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); |
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virtual osg::Object* cloneType() const { return new AntiSquish(); } |
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virtual osg::Object* clone(const osg::CopyOp& copyop) const { return new AntiSquish (*this,copyop); } |
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virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const AntiSquish *>(obj)!=NULL; } |
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void setPivot(const osg::Vec3d& pvt) |
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{ |
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_pivot = pvt; |
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_usePivot = true; |
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_dirty = true; |
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} |
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const osg::Vec3d& getPivot() const { return _pivot; } |
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void setPosition(const osg::Vec3d& pos) |
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{ |
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_position = pos; |
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_usePosition = true; |
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_dirty = true; |
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} |
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const osg::Vec3d& getPosition() const { return _position; } |
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virtual ~AntiSquish(); |
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osg::Matrix computeUnSquishedMatrix(const osg::Matrix&, bool& flag); |
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protected: |
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osg::NodeCallback* _asqCallback; |
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osg::Vec3d _pivot; |
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bool _usePivot; |
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osg::Vec3d _position; |
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bool _usePosition; |
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bool _dirty; |
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osg::Matrix _cachedLocalToWorld; |
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}; |
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} |
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#endif
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