SoListenerPositionElement - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin

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NAMESoListenerPositionElement − The SoListenerPositionElement holds the position of the current listener​.

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SYNOPSIS
#include <Inventor/elements/SoListenerPositionElement​.h> Inherits SoReplacedElement​.

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Public Member Functionsvirtual void init (SoState *state)
virtual void print (FILE *file) const
Prints contents of element (not implemented)

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Static Public Member Functionsstatic SoType getClassTypeId (void)
static int getClassStackIndex (void)
static void * createInstance (void)
static void initClass (void)
static void set (SoState *const state, SoNode *const node, const SbVec3f &position, SbBool setbylistener)
static const SbVec3f & get (SoState *const state)
Returns the current listener position​. static SbBool isSetByListener (SoState *const state)

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Protected Member Functionsvirtual ~SoListenerPositionElement ()

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Protected AttributesSbVec3f position
SbBool setbylistener

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Additional Inherited Members

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Detailed DescriptionThe SoListenerPositionElement holds the position of the current listener​. This position is set by SoListener nodes and SoCamera Nodes during audio rendering​. When a SoListener is visited by the SoAudioRenderAction, it will add a new SoListenerPositionElement to the state, holding it's position and with the setbylistener flag set​. When a SoCamera is visited by SoAudioRenderAction, it will add a new SoListenerPositionElement only if there are no previous elements with the setbylistener flag set​. The SoListenerPositionElement is used when the SoVRMLSound nodes render themselves​. Be aware that this class is an extension for Coin, and it is not available in the original SGI Open Inventor v2​.1 API​.
Since Coin 2​.0

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Constructor & Destructor Documentation

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SoListenerPositionElement::~SoListenerPositionElement (void) [protected], [virtual]The destructor​.

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Member Function Documentation

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void * SoListenerPositionElement::createInstance (void) [static]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer​.

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void SoListenerPositionElement::initClass (void) [static]This static method initializes static data for the SoListenerPositionElement class​.

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void SoListenerPositionElement::init (SoState * state) [virtual]Initializes the element to it's default value​. The default value for the position is (0​.0f, 0​.0f, 0​.0f) and the default value for the setByListener flag is FALSE​. Reimplemented from SoReplacedElement​.

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void SoListenerPositionElement::set (SoState *const state, SoNode *const node, const SbVec3f & position, SbBool setbylistener) [static]Sets the current listener position, and indicates if it was set by a SoListener node or a SoCamera node​.

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SbBool SoListenerPositionElement::isSetByListener (SoState *const state) [static]Returns TRUE if the position was set by a SoListener node, and FALSE if it was set by a SoCamera node

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Member Data Documentation

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SoListenerPositionElement::position [protected]The position of the listener in world space​. Can be set by the SoListener class or the SoCamera class​.

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AuthorGenerated automatically by Doxygen for Coin from the source code​. 0

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Johanes Gumabo

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