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virtual AkReal32 AK::IAkMixerInputContext::GetFocus ( AkUInt32  in_uIndex  )  [pure virtual]

3D spatialization: Evaluate focus value at the distance of the desired emitter-listener pair for this input. Applicable only when the input has listener relative routing (see HasListenerRelativeRouting()).

Returns:
The focus value, between 0 and 100. 0 if the pair index is invalid.
See also:
Parameters:
in_uIndex  Index of the pair, [0, GetNum3DPositions()[