Microsoft DirectX 8.1 (C++)

IDirectSound3DBuffer8::SetPosition

The SetPosition method sets the sound buffer's position, in distance units. By default, distance units are meters, but the units can be changed by using the IDirectSound3DListener8::SetDistanceFactor method.

Syntax

HRESULT SetPosition(
  D3DVALUE x, 
  D3DVALUE y, 
  D3DVALUE z, 
  DWORD dwApply 
);

Parameters

x, y, and z

Values that specify the coordinates of the position vector. DirectSound may adjust these values to prevent floating-point overflow. D3DVALUE is defined as float in D3dtypes.h.

dwApply

Value that specifies when the setting should be applied. This value must be one of the following:

Value Description
DS3D_DEFERRED Settings are not applied until the application calls the IDirectSound3DListener8::CommitDeferredSettings method. This allows the application to change several settings and generate a single recalculation.
DS3D_IMMEDIATE Settings are applied immediately, causing the system to recalculate the 3-D coordinates for all 3-D sound buffers.

Return Values

If the method succeeds, the return value is DS_OK.

If the method fails, the return value may be DSERR_INVALIDPARAM.

Requirements

  Header: Declared in dsound.h.

See Also