OpenSceneGraph/include/osgUtil/CameraManipulator

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2001-01-11 00:32:10 +08:00
#ifndef OSGUTIL_CAMERAMANIPULATOR
#define OSGUTIL_CAMERAMANIPULATOR 1
#include <osg/Referenced>
#include <osg/Camera>
#include <osgUtil/Export>
#include <osgUtil/GUIEventAdapter>
#include <osgUtil/GUIActionAdapter>
namespace osgUtil{
class OSGUTIL_EXPORT CameraManipulator : public osg::Referenced
{
public:
CameraManipulator();
virtual ~CameraManipulator();
/** attach a camera to the manipulator to be used for specifying view.*/
virtual void setCamera(osg::Camera*);
/** get the attached a camera.*/
virtual osg::Camera * getCamera() const;
/** Attach a node to the manipulator.
Automatically detaches previously attached node.
setNode(NULL) detaches previously nodes.
Is ignored by manipulators which do not require a reference model.*/
virtual void setNode(osg::Node*) {}
/** Return node if attached.*/
virtual osg::Node* getNode() const { return NULL; }
/** Move the camera to the default position.
May be ignored by manipulators if home functionality is not appropriate.*/
virtual void home(GUIEventAdapter& ,GUIActionAdapter&) {}
/** Start/restart the manipulator.*/
virtual void init(GUIEventAdapter& ,GUIActionAdapter&) {}
/** Handle events, return true if handled, false otherwise.*/
virtual bool update(GUIEventAdapter& ea,GUIActionAdapter& us);
protected:
// Reference pointer to a camera
osg::ref_ptr<osg::Camera> _camera;
};
}
#endif