| 1 |
- {"ast":null,"code":"import { Sound } from \"./sound.js\";\nimport { SoundTrack } from \"./soundTrack.js\";\nimport { Matrix, Vector3 } from \"../Maths/math.vector.js\";\nimport { SceneComponentConstants } from \"../sceneComponent.js\";\nimport { Scene } from \"../scene.js\";\nimport \"./audioEngine.js\";\nimport { PrecisionDate } from \"../Misc/precisionDate.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\nimport { AbstractEngine } from \"../Engines/abstractEngine.js\";\nimport { AddParser } from \"../Loading/Plugins/babylonFileParser.function.js\";\n// Adds the parser to the scene parsers.\nAddParser(SceneComponentConstants.NAME_AUDIO, (parsedData, scene, container, rootUrl) => {\n // TODO: add sound\n let loadedSounds = [];\n let loadedSound;\n container.sounds = container.sounds || [];\n if (parsedData.sounds !== undefined && parsedData.sounds !== null) {\n for (let index = 0, cache = parsedData.sounds.length; index < cache; index++) {\n var _AbstractEngine$audio;\n const parsedSound = parsedData.sounds[index];\n if ((_AbstractEngine$audio = AbstractEngine.audioEngine) !== null && _AbstractEngine$audio !== void 0 && _AbstractEngine$audio.canUseWebAudio) {\n if (!parsedSound.url) {\n parsedSound.url = parsedSound.name;\n }\n if (!loadedSounds[parsedSound.url]) {\n loadedSound = Sound.Parse(parsedSound, scene, rootUrl);\n loadedSounds[parsedSound.url] = loadedSound;\n container.sounds.push(loadedSound);\n } else {\n container.sounds.push(Sound.Parse(parsedSound, scene, rootUrl, loadedSounds[parsedSound.url]));\n }\n } else {\n container.sounds.push(new Sound(parsedSound.name, null, scene));\n }\n }\n }\n loadedSounds = [];\n});\nObject.defineProperty(Scene.prototype, \"mainSoundTrack\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (!this._mainSoundTrack) {\n this._mainSoundTrack = new SoundTrack(this, {\n mainTrack: true\n });\n }\n return this._mainSoundTrack;\n },\n enumerable: true,\n configurable: true\n});\nScene.prototype.getSoundByName = function (name) {\n let index;\n for (index = 0; index < this.mainSoundTrack.soundCollection.length; index++) {\n if (this.mainSoundTrack.soundCollection[index].name === name) {\n return this.mainSoundTrack.soundCollection[index];\n }\n }\n if (this.soundTracks) {\n for (let sdIndex = 0; sdIndex < this.soundTracks.length; sdIndex++) {\n for (index = 0; index < this.soundTracks[sdIndex].soundCollection.length; index++) {\n if (this.soundTracks[sdIndex].soundCollection[index].name === name) {\n return this.soundTracks[sdIndex].soundCollection[index];\n }\n }\n }\n }\n return null;\n};\nObject.defineProperty(Scene.prototype, \"audioEnabled\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioEnabled;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value) {\n compo.enableAudio();\n } else {\n compo.disableAudio();\n }\n },\n enumerable: true,\n configurable: true\n});\nObject.defineProperty(Scene.prototype, \"headphone\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.headphone;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value) {\n compo.switchAudioModeForHeadphones();\n } else {\n compo.switchAudioModeForNormalSpeakers();\n }\n },\n enumerable: true,\n configurable: true\n});\nObject.defineProperty(Scene.prototype, \"audioListenerPositionProvider\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioListenerPositionProvider;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value && typeof value !== \"function\") {\n throw new Error(\"The value passed to [Scene.audioListenerPositionProvider] must be a function that returns a Vector3\");\n } else {\n compo.audioListenerPositionProvider = value;\n }\n },\n enumerable: true,\n configurable: true\n});\nObject.defineProperty(Scene.prototype, \"audioListenerRotationProvider\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioListenerRotationProvider;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value && typeof value !== \"function\") {\n throw new Error(\"The value passed to [Scene.audioListenerRotationProvider] must be a function that returns a Vector3\");\n } else {\n compo.audioListenerRotationProvider = value;\n }\n },\n enumerable: true,\n configurable: true\n});\nObject.defineProperty(Scene.prototype, \"audioPositioningRefreshRate\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioPositioningRefreshRate;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n compo.audioPositioningRefreshRate = value;\n },\n enumerable: true,\n configurable: true\n});\n/**\n * Defines the sound scene component responsible to manage any sounds\n * in a given scene.\n */\nexport class AudioSceneComponent {\n /**\n * Gets whether audio is enabled or not.\n * Please use related enable/disable method to switch state.\n */\n get audioEnabled() {\n return this._audioEnabled;\n }\n /**\n * Gets whether audio is outputting to headphone or not.\n * Please use the according Switch methods to change output.\n */\n get headphone() {\n return this._headphone;\n }\n /**\n * Creates a new instance of the component for the given scene\n * @param scene Defines the scene to register the component in\n */\n constructor(scene) {\n /**\n * The component name helpful to identify the component in the list of scene components.\n */\n this.name = SceneComponentConstants.NAME_AUDIO;\n this._audioEnabled = true;\n this._headphone = false;\n /**\n * Gets or sets a refresh rate when using 3D audio positioning\n */\n this.audioPositioningRefreshRate = 500;\n /**\n * Gets or Sets a custom listener position for all sounds in the scene\n * By default, this is the position of the first active camera\n */\n this.audioListenerPositionProvider = null;\n /**\n * Gets or Sets a custom listener rotation for all sounds in the scene\n * By default, this is the rotation of the first active camera\n */\n this.audioListenerRotationProvider = null;\n this._cachedCameraDirection = new Vector3();\n this._cachedCameraPosition = new Vector3();\n this._lastCheck = 0;\n this._invertMatrixTemp = new Matrix();\n this._cameraDirectionTemp = new Vector3();\n scene = scene || EngineStore.LastCreatedScene;\n if (!scene) {\n return;\n }\n this.scene = scene;\n scene.soundTracks = [];\n scene.sounds = [];\n }\n /**\n * Registers the component in a given scene\n */\n register() {\n this.scene._afterRenderStage.registerStep(SceneComponentConstants.STEP_AFTERRENDER_AUDIO, this, this._afterRender);\n }\n /**\n * Rebuilds the elements related to this component in case of\n * context lost for instance.\n */\n rebuild() {\n // Nothing to do here. (Not rendering related)\n }\n /**\n * Serializes the component data to the specified json object\n * @param serializationObject The object to serialize to\n */\n serialize(serializationObject) {\n serializationObject.sounds = [];\n if (this.scene.soundTracks) {\n for (let index = 0; index < this.scene.soundTracks.length; index++) {\n const soundtrack = this.scene.soundTracks[index];\n for (let soundId = 0; soundId < soundtrack.soundCollection.length; soundId++) {\n serializationObject.sounds.push(soundtrack.soundCollection[soundId].serialize());\n }\n }\n }\n }\n /**\n * Adds all the elements from the container to the scene\n * @param container the container holding the elements\n */\n addFromContainer(container) {\n if (!container.sounds) {\n return;\n }\n container.sounds.forEach(sound => {\n sound.play();\n sound.autoplay = true;\n this.scene.mainSoundTrack.addSound(sound);\n });\n }\n /**\n * Removes all the elements in the container from the scene\n * @param container contains the elements to remove\n * @param dispose if the removed element should be disposed (default: false)\n */\n removeFromContainer(container, dispose = false) {\n if (!container.sounds) {\n return;\n }\n container.sounds.forEach(sound => {\n sound.stop();\n sound.autoplay = false;\n this.scene.mainSoundTrack.removeSound(sound);\n if (dispose) {\n sound.dispose();\n }\n });\n }\n /**\n * Disposes the component and the associated resources.\n */\n dispose() {\n const scene = this.scene;\n if (scene._mainSoundTrack) {\n scene.mainSoundTrack.dispose();\n }\n if (scene.soundTracks) {\n for (let scIndex = 0; scIndex < scene.soundTracks.length; scIndex++) {\n scene.soundTracks[scIndex].dispose();\n }\n }\n }\n /**\n * Disables audio in the associated scene.\n */\n disableAudio() {\n const scene = this.scene;\n this._audioEnabled = false;\n if (AbstractEngine.audioEngine && AbstractEngine.audioEngine.audioContext) {\n AbstractEngine.audioEngine.audioContext.suspend();\n }\n let i;\n for (i = 0; i < scene.mainSoundTrack.soundCollection.length; i++) {\n scene.mainSoundTrack.soundCollection[i].pause();\n }\n if (scene.soundTracks) {\n for (i = 0; i < scene.soundTracks.length; i++) {\n for (let j = 0; j < scene.soundTracks[i].soundCollection.length; j++) {\n scene.soundTracks[i].soundCollection[j].pause();\n }\n }\n }\n }\n /**\n * Enables audio in the associated scene.\n */\n enableAudio() {\n const scene = this.scene;\n this._audioEnabled = true;\n if (AbstractEngine.audioEngine && AbstractEngine.audioEngine.audioContext) {\n AbstractEngine.audioEngine.audioContext.resume();\n }\n let i;\n for (i = 0; i < scene.mainSoundTrack.soundCollection.length; i++) {\n if (scene.mainSoundTrack.soundCollection[i].isPaused) {\n scene.mainSoundTrack.soundCollection[i].play();\n }\n }\n if (scene.soundTracks) {\n for (i = 0; i < scene.soundTracks.length; i++) {\n for (let j = 0; j < scene.soundTracks[i].soundCollection.length; j++) {\n if (scene.soundTracks[i].soundCollection[j].isPaused) {\n scene.soundTracks[i].soundCollection[j].play();\n }\n }\n }\n }\n }\n /**\n * Switch audio to headphone output.\n */\n switchAudioModeForHeadphones() {\n const scene = this.scene;\n this._headphone = true;\n scene.mainSoundTrack.switchPanningModelToHRTF();\n if (scene.soundTracks) {\n for (let i = 0; i < scene.soundTracks.length; i++) {\n scene.soundTracks[i].switchPanningModelToHRTF();\n }\n }\n }\n /**\n * Switch audio to normal speakers.\n */\n switchAudioModeForNormalSpeakers() {\n const scene = this.scene;\n this._headphone = false;\n scene.mainSoundTrack.switchPanningModelToEqualPower();\n if (scene.soundTracks) {\n for (let i = 0; i < scene.soundTracks.length; i++) {\n scene.soundTracks[i].switchPanningModelToEqualPower();\n }\n }\n }\n _afterRender() {\n const now = PrecisionDate.Now;\n if (this._lastCheck && now - this._lastCheck < this.audioPositioningRefreshRate) {\n return;\n }\n this._lastCheck = now;\n const scene = this.scene;\n if (!this._audioEnabled || !scene._mainSoundTrack || !scene.soundTracks || scene._mainSoundTrack.soundCollection.length === 0 && scene.soundTracks.length === 1) {\n return;\n }\n const audioEngine = AbstractEngine.audioEngine;\n if (!audioEngine) {\n return;\n }\n if (audioEngine.audioContext) {\n let listeningCamera = scene.activeCamera;\n if (scene.activeCameras && scene.activeCameras.length > 0) {\n listeningCamera = scene.activeCameras[0];\n }\n // A custom listener position provider was set\n // Use the users provided position instead of camera's\n if (this.audioListenerPositionProvider) {\n const position = this.audioListenerPositionProvider();\n // Set the listener position\n audioEngine.audioContext.listener.setPosition(position.x || 0, position.y || 0, position.z || 0);\n // Check if there is a listening camera\n } else if (listeningCamera) {\n // Set the listener position to the listening camera global position\n if (!this._cachedCameraPosition.equals(listeningCamera.globalPosition)) {\n this._cachedCameraPosition.copyFrom(listeningCamera.globalPosition);\n audioEngine.audioContext.listener.setPosition(listeningCamera.globalPosition.x, listeningCamera.globalPosition.y, listeningCamera.globalPosition.z);\n }\n }\n // Otherwise set the listener position to 0, 0 ,0\n else {\n // Set the listener position\n audioEngine.audioContext.listener.setPosition(0, 0, 0);\n }\n // A custom listener rotation provider was set\n // Use the users provided rotation instead of camera's\n if (this.audioListenerRotationProvider) {\n const rotation = this.audioListenerRotationProvider();\n audioEngine.audioContext.listener.setOrientation(rotation.x || 0, rotation.y || 0, rotation.z || 0, 0, 1, 0);\n // Check if there is a listening camera\n } else if (listeningCamera) {\n // for VR cameras\n if (listeningCamera.rigCameras && listeningCamera.rigCameras.length > 0) {\n listeningCamera = listeningCamera.rigCameras[0];\n }\n listeningCamera.getViewMatrix().invertToRef(this._invertMatrixTemp);\n Vector3.TransformNormalToRef(AudioSceneComponent._CameraDirection, this._invertMatrixTemp, this._cameraDirectionTemp);\n this._cameraDirectionTemp.normalize();\n // To avoid some errors on GearVR\n if (!isNaN(this._cameraDirectionTemp.x) && !isNaN(this._cameraDirectionTemp.y) && !isNaN(this._cameraDirectionTemp.z)) {\n if (!this._cachedCameraDirection.equals(this._cameraDirectionTemp)) {\n this._cachedCameraDirection.copyFrom(this._cameraDirectionTemp);\n audioEngine.audioContext.listener.setOrientation(this._cameraDirectionTemp.x, this._cameraDirectionTemp.y, this._cameraDirectionTemp.z, 0, 1, 0);\n }\n }\n }\n // Otherwise set the listener rotation to 0, 0 ,0\n else {\n // Set the listener position\n audioEngine.audioContext.listener.setOrientation(0, 0, 0, 0, 1, 0);\n }\n let i;\n for (i = 0; i < scene.mainSoundTrack.soundCollection.length; i++) {\n const sound = scene.mainSoundTrack.soundCollection[i];\n if (sound.useCustomAttenuation) {\n sound.updateDistanceFromListener();\n }\n }\n if (scene.soundTracks) {\n for (i = 0; i < scene.soundTracks.length; i++) {\n for (let j = 0; j < scene.soundTracks[i].soundCollection.length; j++) {\n const sound = scene.soundTracks[i].soundCollection[j];\n if (sound.useCustomAttenuation) {\n sound.updateDistanceFromListener();\n }\n }\n }\n }\n }\n }\n}\nAudioSceneComponent._CameraDirection = new Vector3(0, 0, -1);\nSound._SceneComponentInitialization = scene => {\n let compo = scene._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(scene);\n scene._addComponent(compo);\n }\n};","map":{"version":3,"names":["Sound","SoundTrack","Matrix","Vector3","SceneComponentConstants","Scene","PrecisionDate","EngineStore","AbstractEngine","AddParser","NAME_AUDIO","parsedData","scene","container","rootUrl","loadedSounds","loadedSound","sounds","undefined","index","cache","length","_AbstractEngine$audio","parsedSound","audioEngine","canUseWebAudio","url","name","Parse","push","Object","defineProperty","prototype","get","compo","_getComponent","AudioSceneComponent","_addComponent","_mainSoundTrack","mainTrack","enumerable","configurable","getSoundByName","mainSoundTrack","soundCollection","soundTracks","sdIndex","audioEnabled","set","value","enableAudio","disableAudio","headphone","switchAudioModeForHeadphones","switchAudioModeForNormalSpeakers","audioListenerPositionProvider","Error","audioListenerRotationProvider","audioPositioningRefreshRate","_audioEnabled","_headphone","constructor","_cachedCameraDirection","_cachedCameraPosition","_lastCheck","_invertMatrixTemp","_cameraDirectionTemp","LastCreatedScene","register","_afterRenderStage","registerStep","STEP_AFTERRENDER_AUDIO","_afterRender","rebuild","serialize","serializationObject","soundtrack","soundId","addFromContainer","forEach","sound","play","autoplay","addSound","removeFromContainer","dispose","stop","removeSound","scIndex","audioContext","suspend","i","pause","j","resume","isPaused","switchPanningModelToHRTF","switchPanningModelToEqualPower","now","Now","listeningCamera","activeCamera","activeCameras","position","listener","setPosition","x","y","z","equals","globalPosition","copyFrom","rotation","setOrientation","rigCameras","getViewMatrix","invertToRef","TransformNormalToRef","_CameraDirection","normalize","isNaN","useCustomAttenuation","updateDistanceFromListener","_SceneComponentInitialization"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Audio/audioSceneComponent.js"],"sourcesContent":["import { Sound } from \"./sound.js\";\nimport { SoundTrack } from \"./soundTrack.js\";\nimport { Matrix, Vector3 } from \"../Maths/math.vector.js\";\nimport { SceneComponentConstants } from \"../sceneComponent.js\";\nimport { Scene } from \"../scene.js\";\nimport \"./audioEngine.js\";\nimport { PrecisionDate } from \"../Misc/precisionDate.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\nimport { AbstractEngine } from \"../Engines/abstractEngine.js\";\nimport { AddParser } from \"../Loading/Plugins/babylonFileParser.function.js\";\n// Adds the parser to the scene parsers.\nAddParser(SceneComponentConstants.NAME_AUDIO, (parsedData, scene, container, rootUrl) => {\n // TODO: add sound\n let loadedSounds = [];\n let loadedSound;\n container.sounds = container.sounds || [];\n if (parsedData.sounds !== undefined && parsedData.sounds !== null) {\n for (let index = 0, cache = parsedData.sounds.length; index < cache; index++) {\n const parsedSound = parsedData.sounds[index];\n if (AbstractEngine.audioEngine?.canUseWebAudio) {\n if (!parsedSound.url) {\n parsedSound.url = parsedSound.name;\n }\n if (!loadedSounds[parsedSound.url]) {\n loadedSound = Sound.Parse(parsedSound, scene, rootUrl);\n loadedSounds[parsedSound.url] = loadedSound;\n container.sounds.push(loadedSound);\n }\n else {\n container.sounds.push(Sound.Parse(parsedSound, scene, rootUrl, loadedSounds[parsedSound.url]));\n }\n }\n else {\n container.sounds.push(new Sound(parsedSound.name, null, scene));\n }\n }\n }\n loadedSounds = [];\n});\nObject.defineProperty(Scene.prototype, \"mainSoundTrack\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (!this._mainSoundTrack) {\n this._mainSoundTrack = new SoundTrack(this, { mainTrack: true });\n }\n return this._mainSoundTrack;\n },\n enumerable: true,\n configurable: true,\n});\nScene.prototype.getSoundByName = function (name) {\n let index;\n for (index = 0; index < this.mainSoundTrack.soundCollection.length; index++) {\n if (this.mainSoundTrack.soundCollection[index].name === name) {\n return this.mainSoundTrack.soundCollection[index];\n }\n }\n if (this.soundTracks) {\n for (let sdIndex = 0; sdIndex < this.soundTracks.length; sdIndex++) {\n for (index = 0; index < this.soundTracks[sdIndex].soundCollection.length; index++) {\n if (this.soundTracks[sdIndex].soundCollection[index].name === name) {\n return this.soundTracks[sdIndex].soundCollection[index];\n }\n }\n }\n }\n return null;\n};\nObject.defineProperty(Scene.prototype, \"audioEnabled\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioEnabled;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value) {\n compo.enableAudio();\n }\n else {\n compo.disableAudio();\n }\n },\n enumerable: true,\n configurable: true,\n});\nObject.defineProperty(Scene.prototype, \"headphone\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.headphone;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value) {\n compo.switchAudioModeForHeadphones();\n }\n else {\n compo.switchAudioModeForNormalSpeakers();\n }\n },\n enumerable: true,\n configurable: true,\n});\nObject.defineProperty(Scene.prototype, \"audioListenerPositionProvider\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioListenerPositionProvider;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value && typeof value !== \"function\") {\n throw new Error(\"The value passed to [Scene.audioListenerPositionProvider] must be a function that returns a Vector3\");\n }\n else {\n compo.audioListenerPositionProvider = value;\n }\n },\n enumerable: true,\n configurable: true,\n});\nObject.defineProperty(Scene.prototype, \"audioListenerRotationProvider\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioListenerRotationProvider;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n if (value && typeof value !== \"function\") {\n throw new Error(\"The value passed to [Scene.audioListenerRotationProvider] must be a function that returns a Vector3\");\n }\n else {\n compo.audioListenerRotationProvider = value;\n }\n },\n enumerable: true,\n configurable: true,\n});\nObject.defineProperty(Scene.prototype, \"audioPositioningRefreshRate\", {\n get: function () {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n return compo.audioPositioningRefreshRate;\n },\n set: function (value) {\n let compo = this._getComponent(SceneComponentConstants.NAME_AUDIO);\n if (!compo) {\n compo = new AudioSceneComponent(this);\n this._addComponent(compo);\n }\n compo.audioPositioningRefreshRate = value;\n },\n enumerable: true,\n configurable: true,\n});\n/**\n * Defines the sound scene component responsible to manage any sounds\n * in a given scene.\n */\nexport class AudioSceneComponent {\n /**\n * Gets whether audio is enabled or not.\n * Please use related enable/disable method to switch state.\n */\n get audioEnabled() {\n return this._audioEnabled;\n }\n /**\n * Gets whether audio is outputting to headphone or not.\n * Please use the according Switch methods to change output.\n */\n get headphone() {\n return this._headphone;\n }\n /**\n * Creates a new instance of the component for the given scene\n * @param scene Defines the scene to register the component in\n */\n constructor(scene) {\n /**\n * The component name helpful to identify the component in the list of scene components.\n */\n this.name = SceneComponentConstants.NAME_AUDIO;\n this._audioEnabled = true;\n this._headphone = false;\n /**\n * Gets or sets a refresh rate when using 3D audio positioning\n */\n this.audioPositioningRefreshRate = 500;\n /**\n * Gets or Sets a custom listener position for all sounds in the scene\n * By default, this is the position of the first active camera\n */\n this.audioListenerPositionProvider = null;\n /**\n * Gets or Sets a custom listener rotation for all sounds in the scene\n * By default, this is the rotation of the first active camera\n */\n this.audioListenerRotationProvider = null;\n this._cachedCameraDirection = new Vector3();\n this._cachedCameraPosition = new Vector3();\n this._lastCheck = 0;\n this._invertMatrixTemp = new Matrix();\n this._cameraDirectionTemp = new Vector3();\n scene = scene || EngineStore.LastCreatedScene;\n if (!scene) {\n return;\n }\n this.scene = scene;\n scene.soundTracks = [];\n scene.sounds = [];\n }\n /**\n * Registers the component in a given scene\n */\n register() {\n this.scene._afterRenderStage.registerStep(SceneComponentConstants.STEP_AFTERRENDER_AUDIO, this, this._afterRender);\n }\n /**\n * Rebuilds the elements related to this component in case of\n * context lost for instance.\n */\n rebuild() {\n // Nothing to do here. (Not rendering related)\n }\n /**\n * Serializes the component data to the specified json object\n * @param serializationObject The object to serialize to\n */\n serialize(serializationObject) {\n serializationObject.sounds = [];\n if (this.scene.soundTracks) {\n for (let index = 0; index < this.scene.soundTracks.length; index++) {\n const soundtrack = this.scene.soundTracks[index];\n for (let soundId = 0; soundId < soundtrack.soundCollection.length; soundId++) {\n serializationObject.sounds.push(soundtrack.soundCollection[soundId].serialize());\n }\n }\n }\n }\n /**\n * Adds all the elements from the container to the scene\n * @param container the container holding the elements\n */\n addFromContainer(container) {\n if (!container.sounds) {\n return;\n }\n container.sounds.forEach((sound) => {\n sound.play();\n sound.autoplay = true;\n this.scene.mainSoundTrack.addSound(sound);\n });\n }\n /**\n * Removes all the elements in the container from the scene\n * @param container contains the elements to remove\n * @param dispose if the removed element should be disposed (default: false)\n */\n removeFromContainer(container, dispose = false) {\n if (!container.sounds) {\n return;\n }\n container.sounds.forEach((sound) => {\n sound.stop();\n sound.autoplay = false;\n this.scene.mainSoundTrack.removeSound(sound);\n if (dispose) {\n sound.dispose();\n }\n });\n }\n /**\n * Disposes the component and the associated resources.\n */\n dispose() {\n const scene = this.scene;\n if (scene._mainSoundTrack) {\n scene.mainSoundTrack.dispose();\n }\n if (scene.soundTracks) {\n for (let scIndex = 0; scIndex < scene.soundTracks.length; scIndex++) {\n scene.soundTracks[scIndex].dispose();\n }\n }\n }\n /**\n * Disables audio in the associated scene.\n */\n disableAudio() {\n const scene = this.scene;\n this._audioEnabled = false;\n if (AbstractEngine.audioEngine && AbstractEngine.audioEngine.audioContext) {\n AbstractEngine.audioEngine.audioContext.suspend();\n }\n let i;\n for (i = 0; i < scene.mainSoundTrack.soundCollection.length; i++) {\n scene.mainSoundTrack.soundCollection[i].pause();\n }\n if (scene.soundTracks) {\n for (i = 0; i < scene.soundTracks.length; i++) {\n for (let j = 0; j < scene.soundTracks[i].soundCollection.length; j++) {\n scene.soundTracks[i].soundCollection[j].pause();\n }\n }\n }\n }\n /**\n * Enables audio in the associated scene.\n */\n enableAudio() {\n const scene = this.scene;\n this._audioEnabled = true;\n if (AbstractEngine.audioEngine && AbstractEngine.audioEngine.audioContext) {\n AbstractEngine.audioEngine.audioContext.resume();\n }\n let i;\n for (i = 0; i < scene.mainSoundTrack.soundCollection.length; i++) {\n if (scene.mainSoundTrack.soundCollection[i].isPaused) {\n scene.mainSoundTrack.soundCollection[i].play();\n }\n }\n if (scene.soundTracks) {\n for (i = 0; i < scene.soundTracks.length; i++) {\n for (let j = 0; j < scene.soundTracks[i].soundCollection.length; j++) {\n if (scene.soundTracks[i].soundCollection[j].isPaused) {\n scene.soundTracks[i].soundCollection[j].play();\n }\n }\n }\n }\n }\n /**\n * Switch audio to headphone output.\n */\n switchAudioModeForHeadphones() {\n const scene = this.scene;\n this._headphone = true;\n scene.mainSoundTrack.switchPanningModelToHRTF();\n if (scene.soundTracks) {\n for (let i = 0; i < scene.soundTracks.length; i++) {\n scene.soundTracks[i].switchPanningModelToHRTF();\n }\n }\n }\n /**\n * Switch audio to normal speakers.\n */\n switchAudioModeForNormalSpeakers() {\n const scene = this.scene;\n this._headphone = false;\n scene.mainSoundTrack.switchPanningModelToEqualPower();\n if (scene.soundTracks) {\n for (let i = 0; i < scene.soundTracks.length; i++) {\n scene.soundTracks[i].switchPanningModelToEqualPower();\n }\n }\n }\n _afterRender() {\n const now = PrecisionDate.Now;\n if (this._lastCheck && now - this._lastCheck < this.audioPositioningRefreshRate) {\n return;\n }\n this._lastCheck = now;\n const scene = this.scene;\n if (!this._audioEnabled || !scene._mainSoundTrack || !scene.soundTracks || (scene._mainSoundTrack.soundCollection.length === 0 && scene.soundTracks.length === 1)) {\n return;\n }\n const audioEngine = AbstractEngine.audioEngine;\n if (!audioEngine) {\n return;\n }\n if (audioEngine.audioContext) {\n let listeningCamera = scene.activeCamera;\n if (scene.activeCameras && scene.activeCameras.length > 0) {\n listeningCamera = scene.activeCameras[0];\n }\n // A custom listener position provider was set\n // Use the users provided position instead of camera's\n if (this.audioListenerPositionProvider) {\n const position = this.audioListenerPositionProvider();\n // Set the listener position\n audioEngine.audioContext.listener.setPosition(position.x || 0, position.y || 0, position.z || 0);\n // Check if there is a listening camera\n }\n else if (listeningCamera) {\n // Set the listener position to the listening camera global position\n if (!this._cachedCameraPosition.equals(listeningCamera.globalPosition)) {\n this._cachedCameraPosition.copyFrom(listeningCamera.globalPosition);\n audioEngine.audioContext.listener.setPosition(listeningCamera.globalPosition.x, listeningCamera.globalPosition.y, listeningCamera.globalPosition.z);\n }\n }\n // Otherwise set the listener position to 0, 0 ,0\n else {\n // Set the listener position\n audioEngine.audioContext.listener.setPosition(0, 0, 0);\n }\n // A custom listener rotation provider was set\n // Use the users provided rotation instead of camera's\n if (this.audioListenerRotationProvider) {\n const rotation = this.audioListenerRotationProvider();\n audioEngine.audioContext.listener.setOrientation(rotation.x || 0, rotation.y || 0, rotation.z || 0, 0, 1, 0);\n // Check if there is a listening camera\n }\n else if (listeningCamera) {\n // for VR cameras\n if (listeningCamera.rigCameras && listeningCamera.rigCameras.length > 0) {\n listeningCamera = listeningCamera.rigCameras[0];\n }\n listeningCamera.getViewMatrix().invertToRef(this._invertMatrixTemp);\n Vector3.TransformNormalToRef(AudioSceneComponent._CameraDirection, this._invertMatrixTemp, this._cameraDirectionTemp);\n this._cameraDirectionTemp.normalize();\n // To avoid some errors on GearVR\n if (!isNaN(this._cameraDirectionTemp.x) && !isNaN(this._cameraDirectionTemp.y) && !isNaN(this._cameraDirectionTemp.z)) {\n if (!this._cachedCameraDirection.equals(this._cameraDirectionTemp)) {\n this._cachedCameraDirection.copyFrom(this._cameraDirectionTemp);\n audioEngine.audioContext.listener.setOrientation(this._cameraDirectionTemp.x, this._cameraDirectionTemp.y, this._cameraDirectionTemp.z, 0, 1, 0);\n }\n }\n }\n // Otherwise set the listener rotation to 0, 0 ,0\n else {\n // Set the listener position\n audioEngine.audioContext.listener.setOrientation(0, 0, 0, 0, 1, 0);\n }\n let i;\n for (i = 0; i < scene.mainSoundTrack.soundCollection.length; i++) {\n const sound = scene.mainSoundTrack.soundCollection[i];\n if 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