private void SetOcclusionEfx(float gain, float cutoff)
{
if (FilterHandle == 0)
{
FilterHandle = EFX.GenFilter();
EFX.Filter(FilterHandle, FilterInteger.FilterType, (int)FilterType.Lowpass);
}
EFX.Filter(FilterHandle, FilterFloat.LowpassGain, gain);
EFX.Filter(FilterHandle, FilterFloat.LowpassGainHF, cutoff);
AL.Source(SourceHandle, ALSourcei.EfxDirectFilter, FilterHandle);
}
public void SetOcclusion(float blocks)
{
_checkDisposed();
var cutoff = (float)Math.Exp(-blocks * 1);
float gain = (float)Math.Pow(cutoff, 0.1);
if (FilterHandle == 0)
{
FilterHandle = EFX.GenFilter();
EFX.Filter(FilterHandle, FilterInteger.FilterType, (int)FilterType.Lowpass);
}
EFX.Filter(FilterHandle, FilterFloat.LowpassGain, gain);
EFX.Filter(FilterHandle, FilterFloat.LowpassGainHF, cutoff);
AL.Source(SourceHandle, ALSourcei.EfxDirectFilter, FilterHandle);
_checkAlError();
}