65 lines
1.7 KiB
Plaintext
65 lines
1.7 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();
|
|
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
|
|
Switch(const Switch&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
|
|
|
|
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
|