public static void DestroyOcclusion(Vive3DSPAudioOcclusion occObj)
{
if (occObj.OcclusionObject != IntPtr.Zero)
{
vive_3dsp_occlusion_destroy_object_plugin(occObj.OcclusionObject);
}
occList.Remove(occObj);
occObj.OcclusionObject = IntPtr.Zero;
}
public static void UpdateOcclusion(Vive3DSPAudioOcclusion occ)
{
if (occ.OcclusionObject == IntPtr.Zero)
{
return;
}
vive_3dsp_occlusion_enable_plugin(occ.OcclusionObject, occ.OcclusionEffect);
vive_3dsp_occlusion_set_property_plugin(occ.OcclusionObject, occ.OcclusionPorperty);
}
// Occlusion
public static IntPtr CreateOcclusion(Vive3DSPAudioOcclusion occObj)
{
IntPtr occobj = IntPtr.Zero;
occobj = vive_3dsp_occlusion_create_object_plugin();
if (occobj != IntPtr.Zero)
{
vive_3dsp_occlusion_set_material_plugin(occobj, occObj.OcclusionMaterial);
occList.Add(occObj);
}
return(occobj);
}
private static float getRaycastOcclusionRatio(Vector3 srcPos, Vector3 direction, Vive3DSPAudioOcclusion occ)
{
float ratio = 0f;
int ListenerColliderNumber = 0, SourceColliderNumber = 0;
var dist = direction.magnitude;
RaycastHit[] hit;
hit = Physics.RaycastAll(srcPos, direction, dist);
for (int i = 0; i < hit.Length; i++)
{
if (hit[i].transform == occ.transform)
{
SourceColliderNumber++;
ListenerColliderNumber++;
}
}
if (occ.raycastQuality == RaycastQuality.Low)
{
if (SourceColliderNumber == 0)
{
return(0.0f);
}
else
{
return(1.0f);
}
}
var max_direct_forward_up = Quaternion.AngleAxis(MaxRayBiasAngle, Vector3.up) * direction;
var max_direct_up = max_direct_forward_up - direction;
var min_direct_forward_up = Quaternion.AngleAxis(MinRayBiasAngle, Vector3.up) * direction;
var min_direct_up = min_direct_forward_up - direction;
float maxmin_direct_up_mag_ratio = max_direct_up.magnitude / min_direct_up.magnitude;
Vector3 rot_up, direct_up, direct_forward_up;
for (int i = 0; i < RayEmitLayer; ++i)
{
direct_up = (i * (maxmin_direct_up_mag_ratio - 1) / RayEmitLayer + 1) * min_direct_up;
for (int j = 0; j < RayDisperseOrder; ++j)
{
// source part
rot_up = Quaternion.AngleAxis(RayDisperseAngle * j, direction) * direct_up;
direct_forward_up = direction + rot_up;
//Debug.DrawRay(srcPos, rot_up, Color.green);
//Debug.DrawRay(srcPos, direct_forward_up, Color.blue);
hit = Physics.RaycastAll(srcPos, direct_forward_up, direct_forward_up.magnitude);
for (int h = 0; h < hit.Length; h++)
{
if (hit[h].transform == occ.transform)
{
ListenerColliderNumber++;
}
}
// listener part
direct_forward_up = -direction + rot_up;
//Debug.DrawRay(MainListener.transform.position, rot_up, Color.green);
//Debug.DrawRay(MainListener.transform.position, direct_forward_up, Color.blue);
hit = Physics.RaycastAll(srcPos + direction, direct_forward_up, direct_forward_up.magnitude);
for (int h = 0; h < hit.Length; h++)
{
if (hit[h].transform == occ.transform)
{
SourceColliderNumber++;
}
}
}
}
ratio = (float)Math.Max(SourceColliderNumber, ListenerColliderNumber) / totalRays;
return(ratio);
}