OpenSceneGraph/include/osgManipulator/RotateCylinderDragger

72 lines
2.3 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
//osgManipulator - Copyright (C) 2007 Fugro-Jason B.V.
#ifndef OSGMANIPULATOR_ROTATECYLINDERDRAGGER
#define OSGMANIPULATOR_ROTATECYLINDERDRAGGER 1
#include <osgManipulator/Dragger>
#include <osgManipulator/Projector>
namespace osgManipulator {
/**
* Dragger for performing 3D rotation on a cylinder.
*/
class OSGMANIPULATOR_EXPORT RotateCylinderDragger : public Dragger
{
public:
RotateCylinderDragger();
/**
* Handle pick events on dragger and generate TranslateInLine commands.
*/
virtual bool handle(const PointerInfo& pi, const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us);
/** Setup default geometry for dragger. */
void setupDefaultGeometry();
/** Set/Get color for dragger. */
inline void setColor(const osg::Vec4& color) { _color = color; setMaterialColor(_color,*this); }
inline const osg::Vec4 getColor() const { return _color; }
/**
* Set/Get pick color for dragger. Pick color is color of the dragger
* when picked. It gives a visual feedback to show that the dragger has
* been picked.
*/
inline void setPickColor(const osg::Vec4& color) { _pickColor = color; }
inline const osg::Vec4 getPickColor() const { return _pickColor; }
protected:
virtual ~RotateCylinderDragger();
osg::ref_ptr<CylinderPlaneProjector> _projector;
osg::Vec3d _prevWorldProjPt;
bool _prevPtOnCylinder;
osg::Matrix _startLocalToWorld, _startWorldToLocal;
osg::Quat _prevRotation;
osg::Vec4 _color;
osg::Vec4 _pickColor;
};
}
#endif