// Initializes the source.
private bool InitializeSource()
{
if (id < 0)
{
id = GvrAudio.CreateAudioSource(hrtfEnabled);
if (id >= 0)
{
GvrAudio.UpdateAudioSource(id, this, currentOcclusion);
audioSource.spatialize = true;
audioSource.SetSpatializerFloat((int)GvrAudio.SpatializerData.Type,
(float)GvrAudio.SpatializerType.Source);
audioSource.SetSpatializerFloat((int)GvrAudio.SpatializerData.Gain,
GvrAudio.ConvertAmplitudeFromDb(gainDb));
audioSource.SetSpatializerFloat((int)GvrAudio.SpatializerData.MinDistance,
sourceMinDistance);
audioSource.SetSpatializerFloat((int)GvrAudio.SpatializerData.ZeroOutput, 0.0f);
// Source id must be set after all the spatializer parameters, to ensure that the source is
// properly initialized before processing.
audioSource.SetSpatializerFloat((int)GvrAudio.SpatializerData.Id, (float)id);
}
}
return(id >= 0);
}
void Update()
{
// Update occlusion state.
if (!occlusionEnabled)
{
currentOcclusion = 0.0f;
}
else if (Time.time >= nextOcclusionUpdate)
{
nextOcclusionUpdate = Time.time + GvrAudio.occlusionDetectionInterval;
currentOcclusion = GvrAudio.ComputeOcclusion(transform);
}
// Update source.
if (!isPlaying && !isPaused)
{
Stop();
}
else
{
audioSource.SetSpatializerFloat((int)GvrAudio.SpatializerData.Gain,
GvrAudio.ConvertAmplitudeFromDb(gainDb));
audioSource.SetSpatializerFloat((int)GvrAudio.SpatializerData.MinDistance,
sourceMinDistance);
GvrAudio.UpdateAudioSource(id, this, currentOcclusion);
}
}
// Initializes given channel set of the soundfield.
private void InitializeChannelSet(AudioSource source, int channelSet)
{
source.spatialize = true;
source.SetSpatializerFloat((int)GvrAudio.SpatializerData.Type,
(float)GvrAudio.SpatializerType.Soundfield);
source.SetSpatializerFloat((int)GvrAudio.SpatializerData.NumChannels,
(float)GvrAudio.numFoaChannels);
source.SetSpatializerFloat((int)GvrAudio.SpatializerData.ChannelSet, (float)channelSet);
source.SetSpatializerFloat((int)GvrAudio.SpatializerData.Gain,
GvrAudio.ConvertAmplitudeFromDb(gainDb));
source.SetSpatializerFloat((int)GvrAudio.SpatializerData.ZeroOutput, 0.0f);
// Soundfield id must be set after all the spatializer parameters, to ensure that the soundfield
// is properly initialized before processing.
source.SetSpatializerFloat((int)GvrAudio.SpatializerData.Id, (float)id);
}
void Update()
{
// Update soundfield.
if (!isPlaying && !isPaused)
{
Stop();
}
else
{
for (int channelSet = 0; channelSet < audioSources.Length; ++channelSet)
{
audioSources[channelSet].SetSpatializerFloat((int)GvrAudio.SpatializerData.Gain,
GvrAudio.ConvertAmplitudeFromDb(gainDb));
}
}
}
