DDirectSound
TDS3DListener = record
dwSize: Longint;
vPosition: TD3DVector;
vVelocity: TD3DVector;
vOrientFront: TD3DVector;
vOrientTop: TD3DVector;
flDistanceFactor: D3DValue;
flRolloffFactor: D3DValue;
flDopplerFactor: D3DValue;
end ;
PDS3DListener = ^TDS3DListener;
The TDS3DListener structure contains all information necessary to uniquely describe the 3-D world parameters and position of the listener.
See DS3DListener for more information.