OpenSceneGraph/include/osg/Switch
Robert Osfield 9917b6500d Added a copyright notice to all core headers, which all begin with
//C++ header to help scripts and editors pick up the fact that the
file is a header file.
2001-10-04 15:12:57 +00:00

62 lines
1.5 KiB
Plaintext

//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_SWITCH
#define OSG_SWITCH 1
#include <osg/Group>
namespace osg {
/** Switch is a Group node which allows switching between children.
Typical uses would be for objects which might need to be rendered
differently at different times, for instance a switch could be used
to represent the different states of a traffic light.
*/
class SG_EXPORT Switch : public Group
{
public :
/**
* Special mode values for the Switch. Use these if you want to
* turn on/off all child nodes.
*/
enum SwitchType {
/** Turn on all children. */
ALL_CHILDREN_ON=-1,
/** Turn off all children. */
ALL_CHILDREN_OFF=-2
};
Switch();
META_Node(Switch);
virtual void traverse(NodeVisitor& nv);
/**
* Selects the active child Node or enables a special
* SwitchType mode.
* @param value the number of the active child
* (first child == number 0) or SwitchType. Invalid values
* will be ignored.
*/
inline void setValue(const int value) { _value = value; }
/**
* Returns the number of the active child Node or the SwitchType.
*/
inline const int getValue() const { return _value; }
protected :
virtual ~Switch() {}
/** The current Switch value. */
int _value;
};
};
#endif