|Microsoft DirectX 9.0|
The SetMaxDistance method sets the maximum distance, which is the distance from the listener beyond which sounds in this buffer are no longer attenuated.
HRESULT SetMaxDistance( D3DVALUE flMaxDistance, DWORD dwApply );
Maximum distance, in meters by default. D3DVALUE is defined as float.
Value that specifies when the setting should be applied. This value must be one of the following:
|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.|
If the method succeeds, the return value is DS_OK.
If the method fails, the return value may be DSERR_INVALIDPARAM.
The default maximum distance, defined as DS3D_DEFAULTMAXDISTANCE, is effectively infinite.
The default unit of measurement is meters, but this can be changed by using the IDirectSound3DListener8::SetDistanceFactor method.
Header: Declared in dsound.h.