pfSoundNode class Reference

00054 {
00055    // update the sound attributes (position) based on the current
00056    // position of this node.
00057    // only do it if the sound is a positional sound.
00058    if (mSound != "" && mIsPositional == true)
00059    {
00060       // get position of this sound in relation to the user's orientation and position
00061       // NOTE: the sound will change position if the user rotates without translation.
00062       //       it should orbit the user, so that the audio will pan correctly.
00063       pfMatrix matrix, traverserMatrix, dcsMatrix;
00064       matrix.makeIdent();
00065 
00066       //: take the sound from soundspace to userspace.
00067 
00068       // add in any offset due to this DCS node
00069       // (since the traverser hasn't yet added it to it's matrix stack.)
00070       // *NOTE: this is the matrix that takes the sound from local(sound)space to modelspace.
00071       this->getMat( dcsMatrix ); //TODO: don't call this.
00072       // ...to get the location of the sound in modelspace, you'd do an invertFull here, but we want it in user space..
00073       matrix.postMult( dcsMatrix );
00074 
00075       // add in any offset due to navigation and any other DCS xforms currently on the traverser's stack.
00076       // this is the position of the model's origin in relation to a user at position 0,0,0
00077       // this is just the nav matrix, which should be on the matrix stack right now...
00078       // *NOTE: this is the matrix that takes the sound from modelspace to userspace
00079       trav->getMat( traverserMatrix );
00080       // ...to get the location of the sound in modelspace, you'd do an invertFull here, but we want it in user space..
00081       matrix.postMult( traverserMatrix );
00082 
00083       pfCoord coord;
00084       matrix.getOrthoCoord( &coord );
00085 
00086       // set my sound's position.
00087       pfVec3 pf_soundPosition = coord.xyz;
00088       gmtl::Vec3f soundPosition = vrj::GetVjVec( pf_soundPosition );
00089       sonix::instance()->setPosition( mSound, soundPosition[0], soundPosition[1], soundPosition[2] );
00090 
00091       // Engine's update should be called by the app's frame process,
00092       // or in juggler's manager (not both, of course)...
00093 
00094       // use this for debugging the location of the sound reletive to the user.
00095       //std::cout<<"["<<mSound->getName()<<"] sound in userspace: "<<soundPosition[0]<<" "<<soundPosition[1]<<" "<<soundPosition[2]<<"\n"<<std::flush;
00096    }
00097    else
00098    {
00099       // redundant (fixme), but make sure it's 0.0f,0.0f,0.0f
00100       // this makes the sound the same as the observer.
00101       sonix::instance()->setPosition( mSound, 0.0f, 0.0f, 0.0f );
00102    }
00103 
00104    return pfDCS::app( trav );  // call the parent class's app()
00105 
00106 }

Public Methods
	pfSoundNode (const std::string &soundHandle, bool isPositional=true)
virtual	~pfSoundNode ()
pfSoundNode &	operator= (const pfSoundNode &rhs)
void	setObs (float x, float y, float z)
	Sets the listener. More...
const std::string &	sound () const
void	setSound (const std::string &sound)
void	setPositional (bool isPositional)
virtual int	app (pfTraverser *)
virtual int	needsApp (void)
Static Public Methods
void	init ()
pfType *	getClassType (void)
Protected Attributes
float	mX
float	mY
float	mZ
std::string	mSound
bool	mIsPositional

pfSoundNode Class Reference

Public Methods

Static Public Methods

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation