71 lines
2.2 KiB
C++
71 lines
2.2 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_ROTATESPHEREDRAGGER
|
|
#define OSGMANIPULATOR_ROTATESPHEREDRAGGER 1
|
|
|
|
#include <osgManipulator/Dragger>
|
|
#include <osgManipulator/Projector>
|
|
|
|
namespace osgManipulator {
|
|
|
|
/**
|
|
* Dragger for performing 3D rotation on a sphere.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT RotateSphereDragger : public Dragger
|
|
{
|
|
public:
|
|
|
|
RotateSphereDragger();
|
|
|
|
/**
|
|
* Handle pick events on dragger and generate TranslateInLine commands.
|
|
*/
|
|
virtual bool handle(const PointerInfo&, 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 ~RotateSphereDragger();
|
|
|
|
osg::ref_ptr<SpherePlaneProjector> _projector;
|
|
|
|
osg::Vec3d _prevWorldProjPt;
|
|
bool _prevPtOnSphere;
|
|
osg::Matrix _startLocalToWorld, _startWorldToLocal;
|
|
osg::Quat _prevRotation;
|
|
|
|
osg::Vec4 _color;
|
|
osg::Vec4 _pickColor;
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|