/// <summary>
/// Finds the IAudioInfluencer objects that are to be applied to the audio source.
/// </summary>
/// <returns>Collection of IAudioInfluencers between the user and the game object.</returns>
private List<IAudioInfluencer> GetInfluencers()
{
List<IAudioInfluencer> influencers = new List<IAudioInfluencer>();
Transform cameraTransform = CameraCache.Main.transform;
// Influencers take effect only when between the emitter and the user.
// Perform a raycast from the user toward the object.
Vector3 direction = (gameObject.transform.position - cameraTransform.position).normalized;
float distance = Vector3.Distance(cameraTransform.position, gameObject.transform.position);
int count = UnityPhysics.RaycastNonAlloc(cameraTransform.position,
direction,
hits,
distance,
UnityPhysics.DefaultRaycastLayers,
QueryTriggerInteraction.Ignore);
for (int i = 0; i < count; i++)
{
IAudioInfluencer influencer = hits[i].collider.gameObject.GetComponentInParent<IAudioInfluencer>();
if (influencer != null)
{
influencers.Add(influencer);
}
}
return influencers;
}
