74 lines
2.1 KiB
Plaintext
74 lines
2.1 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSGGA_FLIGHTMANIPULATOR
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#define OSGGA_FLIGHTMANIPULATOR 1
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#include <osgGA/CameraManipulator>
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namespace osgGA{
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/**
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FlightManipulator is a CameraManipulator which provides flight simulator-like
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updating of the camera position & orientation. By default, the left mouse
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button accelerates, the right mouse button decelerates, and the middle mouse
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button (or left and right simultaneously) stops dead.
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*/
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class OSGGA_EXPORT FlightManipulator : public CameraManipulator
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{
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public:
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FlightManipulator();
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virtual ~FlightManipulator();
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virtual void setNode(osg::Node*);
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virtual const osg::Node* getNode() const;
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virtual osg::Node* getNode();
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virtual void home(const GUIEventAdapter& ea,GUIActionAdapter& us);
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virtual void init(const GUIEventAdapter& ea,GUIActionAdapter& us);
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virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);
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enum YawControlMode {
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YAW_AUTOMATICALLY_WHEN_BANKED,
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NO_AUTOMATIC_YAW
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};
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/** Configure the Yaw control for the flight model. */
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void setYawControlMode(YawControlMode ycm) { _yawMode = ycm; }
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private:
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/** Reset the internal GUIEvent stack.*/
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void flushMouseEventStack();
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/** Add the current mouse GUIEvent to internal stack.*/
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void addMouseEvent(const GUIEventAdapter& ea);
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/** For the give mouse movement calculate the movement of the camera.
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Return true is camera has moved and a redraw is required.*/
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bool calcMovement();
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// Internal event stack comprising last three mouse events.
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osg::ref_ptr<const GUIEventAdapter> _ga_t1;
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osg::ref_ptr<const GUIEventAdapter> _ga_t0;
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osg::ref_ptr<osg::Node> _node;
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float _modelScale;
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float _velocity;
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YawControlMode _yawMode;
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};
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}
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#endif
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