// Computes reverb using already extracted scene geometry. Calls various native functions.
// Returns false if failed.
private static bool ComputeReverbForSceneGeometry()
{
// Initializes the reverb computation engine: creates the scene, sets up the surface materials,
// and prepares the ray tracer.
ResonanceAudio.InitializeReverbComputer(vertices, triangles, materials, scatteringCoefficient);
// Iterate through the selected reverb probes.
for (int i = 0; i < selectedReverbProbes.Count; ++i)
{
var reverbProbe = selectedReverbProbes[i];
string probeName = "Probe[" + i + "] " + reverbProbe.gameObject.name;
Undo.RecordObject(reverbProbe, "Bake Reverb To Reverb Probes");
// Compute the RT60s and estimate the proxy room.
var probePosition = reverbProbe.gameObject.transform.position;
var outputRt60s = reverbProbe.rt60s;
ResonanceAudio.RoomProperties outputProxyRoomProperties = new ResonanceAudio.RoomProperties();
if (!ResonanceAudio.ComputeRt60sAndProxyRoom(totalNumPaths, numPathsPerBatch, maxDepth,
energyThreshold, probePosition,
listenerSphereRadius, ref outputRt60s,
ref outputProxyRoomProperties))
{
Debug.LogError("FAILED c++ ComputeRT60sAndProxyRoom for " + probeName);
return(false);
}
// Validate the computed RT60s for all frequency bands to the reverb probe.
for (int band = 0; band < outputRt60s.Length; ++band)
{
float outputRt60Value = outputRt60s[band];
if (Single.IsNaN(outputRt60Value) || Single.IsInfinity(outputRt60Value))
{
Debug.Log("Invalid RT60 for " + probeName + ": " + outputRt60Value + "; set to zero");
outputRt60Value = 0.0f;
}
else if (outputRt60Value > ResonanceAudio.maxReverbTime || outputRt60Value < 0.0f)
{
outputRt60Value = Mathf.Clamp(outputRt60Value, 0.0f, ResonanceAudio.maxReverbTime);
}
outputRt60s[band] = outputRt60Value;
}
// Copy the estimated proxy room properties to the reverb probe.
reverbProbe.SetProxyRoomProperties(outputProxyRoomProperties);
}
return(true);
}
/// Set proxy room properties. Proxy rooms are estimated by the ray-tracing engine and passed
/// back to be used in real-time early reflections.
public void SetProxyRoomProperties(ResonanceAudio.RoomProperties proxyRoomProperties)
{
proxyRoomPosition = new Vector3(proxyRoomProperties.positionX,
proxyRoomProperties.positionY,
proxyRoomProperties.positionZ);
proxyRoomRotation = new Quaternion(proxyRoomProperties.rotationX,
proxyRoomProperties.rotationY,
proxyRoomProperties.rotationZ,
proxyRoomProperties.rotationW);
proxyRoomSize = new Vector3(proxyRoomProperties.dimensionsX,
proxyRoomProperties.dimensionsY,
proxyRoomProperties.dimensionsZ);
proxyRoomLeftWall = proxyRoomProperties.materialLeft;
proxyRoomRightWall = proxyRoomProperties.materialRight;
proxyRoomFloor = proxyRoomProperties.materialBottom;
proxyRoomCeiling = proxyRoomProperties.materialTop;
proxyRoomBackWall = proxyRoomProperties.materialBack;
proxyRoomFrontWall = proxyRoomProperties.materialFront;
}