Feat : Wwise Integration
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Alex
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#if !(UNITY_QNX) // Disable under unsupported platforms.
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/*******************************************************************************
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The content of this file includes portions of the proprietary AUDIOKINETIC Wwise
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Technology released in source code form as part of the game integration package.
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The content of this file may not be used without valid licenses to the
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AUDIOKINETIC Wwise Technology.
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Note that the use of the game engine is subject to the Unity(R) Terms of
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Service at https://unity3d.com/legal/terms-of-service
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License Usage
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Licensees holding valid licenses to the AUDIOKINETIC Wwise Technology may use
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this file in accordance with the end user license agreement provided with the
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software or, alternatively, in accordance with the terms contained
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in a written agreement between you and Audiokinetic Inc.
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Copyright (c) 2026 Audiokinetic Inc.
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*******************************************************************************/
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[UnityEngine.AddComponentMenu("Wwise/Spatial Audio/AkSpatialAudioDebugDraw")]
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[UnityEngine.RequireComponent(typeof(AkGameObj))]
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///@brief Add this script on a GameObject to print Spatial Audio paths.
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public class AkSpatialAudioDebugDraw : UnityEngine.MonoBehaviour
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{
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#if UNITY_EDITOR
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/// This allows you to visualize first order reflection sound paths.
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public bool drawFirstOrderReflections = false;
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/// This allows you to visualize second order reflection sound paths.
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public bool drawSecondOrderReflections = false;
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/// This allows you to visualize third or higher order reflection sound paths.
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public bool drawHigherOrderReflections = false;
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/// This allows you to visualize geometric diffraction sound paths between an obstructed emitter and the listener.
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public bool drawDiffractionPaths = false;
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private void OnDrawGizmos()
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{
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if (!UnityEngine.Application.isPlaying || !AkUnitySoundEngine.IsInitialized())
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{
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return;
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}
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if (debugDrawData == null)
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{
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debugDrawData = new DebugDrawData();
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}
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if (drawFirstOrderReflections || drawSecondOrderReflections || drawHigherOrderReflections)
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{
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debugDrawData.DebugDrawEarlyReflections(gameObject, drawFirstOrderReflections, drawSecondOrderReflections, drawHigherOrderReflections);
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}
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if (drawDiffractionPaths)
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{
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debugDrawData.DebugDrawDiffraction(gameObject);
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}
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}
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private class DebugDrawData
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{
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// Constants
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private const uint kMaxIndirectPaths = 64;
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private const uint kMaxDiffractionPaths = 16;
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private readonly UnityEngine.Color32 colorLightYellow = new UnityEngine.Color32(255, 255, 121, 255);
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private readonly UnityEngine.Color32 colorDarkYellow = new UnityEngine.Color32(164, 164, 0, 255);
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private readonly UnityEngine.Color32 colorLightOrange = new UnityEngine.Color32(255, 202, 79, 255);
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private readonly UnityEngine.Color32 colorDarkOrange = new UnityEngine.Color32(164, 115, 0, 255);
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private readonly UnityEngine.Color32 colorLightRed = new UnityEngine.Color32(252, 177, 162, 255);
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private readonly UnityEngine.Color32 colorDarkRed = new UnityEngine.Color32(169, 62, 39, 255);
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private readonly UnityEngine.Color32 colorLightGrey = new UnityEngine.Color32(75, 75, 75, 255);
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private readonly UnityEngine.Color32 colorGreen = new UnityEngine.Color32(38, 113, 88, 255);
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private const float radiusSphere = 0.25f;
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// Calculated path info
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private readonly AkReflectionPathInfoArray indirectPathInfoArray = new AkReflectionPathInfoArray((int)kMaxIndirectPaths);
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private readonly AkDiffractionPathInfoArray diffractionPathInfoArray = new AkDiffractionPathInfoArray((int)kMaxDiffractionPaths);
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public void DebugDrawEarlyReflections(UnityEngine.GameObject gameObject, bool firstOrder, bool secondOrder, bool higherOrder)
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{
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var listenerPosition = UnityEngine.Vector3.zero;
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var emitterPosition = UnityEngine.Vector3.zero;
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uint numValidPaths = (uint)indirectPathInfoArray.Count();
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if (AkUnitySoundEngine.QueryReflectionPaths(gameObject, 0, ref listenerPosition, ref emitterPosition, indirectPathInfoArray, out numValidPaths) != AKRESULT.AK_Success)
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{
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return;
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}
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for (var idxPath = (int)numValidPaths - 1; idxPath >= 0; --idxPath)
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{
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var path = indirectPathInfoArray[idxPath];
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var order = path.numReflections;
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var colorLight = colorLightRed;
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var colorDark = colorDarkRed;
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if (order == 1)
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{
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if (!firstOrder)
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{
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continue;
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}
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colorLight = colorLightYellow;
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colorDark = colorDarkYellow;
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}
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else if (order == 2)
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{
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if (!secondOrder)
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{
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continue;
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}
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colorLight = colorLightOrange;
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colorDark = colorDarkOrange;
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}
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else if (order > 2 && !higherOrder)
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{
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continue;
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}
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var listenerPt = listenerPosition;
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for (var idxSeg = (int)path.numPathPoints - 1; idxSeg >= 0; --idxSeg)
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{
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var pt = path.GetPathPoint((uint)idxSeg);
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UnityEngine.Debug.DrawLine(listenerPt, pt, path.isOccluded ? colorLightGrey : colorLight);
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UnityEngine.Gizmos.color = path.isOccluded ? colorLightGrey : colorLight;
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UnityEngine.Gizmos.DrawWireSphere(pt, radiusSphere / 2 / order);
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float dfrnAmount = path.GetDiffraction((uint)idxSeg);
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if (dfrnAmount > 0)
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{
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string dfrnAmountStr = dfrnAmount.ToString("0.#%");
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DrawLabelInFrontOfCam(pt, dfrnAmountStr, 100000, colorDark);
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}
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listenerPt = pt;
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}
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if (!path.isOccluded)
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{
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// Finally the last path segment towards the emitter.
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UnityEngine.Debug.DrawLine(listenerPt, emitterPosition, path.isOccluded ? colorLightGrey : colorLight);
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}
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}
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}
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public void DebugDrawDiffraction(UnityEngine.GameObject gameObject)
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{
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var listenerPosition = UnityEngine.Vector3.zero;
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var emitterPosition = UnityEngine.Vector3.zero;
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uint numValidPaths = (uint)diffractionPathInfoArray.Count();
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if (AkUnitySoundEngine.QueryDiffractionPaths(gameObject, 0, ref listenerPosition, ref emitterPosition, diffractionPathInfoArray, out numValidPaths) != AKRESULT.AK_Success)
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{
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return;
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}
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for (var idxPath = (int)numValidPaths - 1; idxPath >= 0; --idxPath)
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{
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var path = diffractionPathInfoArray[idxPath];
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if (path.nodeCount <= 0)
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{
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continue;
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}
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var prevPt = listenerPosition;
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for (var idxSeg = 0; idxSeg < (int)path.nodeCount; ++idxSeg)
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{
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var pt = path.GetNodes((uint)idxSeg);
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UnityEngine.Debug.DrawLine(prevPt, pt, colorGreen);
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float angle = path.GetAngles((uint)idxSeg) / UnityEngine.Mathf.PI;
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if (angle > 0)
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{
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string angleStr = angle.ToString("0.#%");
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DrawLabelInFrontOfCam(pt, angleStr, 100000, colorGreen);
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}
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prevPt = pt;
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}
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UnityEngine.Debug.DrawLine(prevPt, emitterPosition, colorGreen);
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}
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}
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}
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private static DebugDrawData debugDrawData = null;
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private static void DrawLabelInFrontOfCam(UnityEngine.Vector3 position, string name, float distance, UnityEngine.Color c)
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{
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var style = new UnityEngine.GUIStyle();
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var oncam = UnityEngine.Camera.current.WorldToScreenPoint(position);
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if (oncam.x >= 0 && oncam.x <= UnityEngine.Camera.current.pixelWidth && oncam.y >= 0 &&
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oncam.y <= UnityEngine.Camera.current.pixelHeight && oncam.z > 0 && oncam.z < distance)
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{
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style.normal.textColor = c;
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UnityEditor.Handles.Label(position, name, style);
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}
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}
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#endif
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}
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#endif // #if !(UNITY_QNX) // Disable under unsupported platforms.
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