67 lines
2 KiB
TypeScript
67 lines
2 KiB
TypeScript
import * as THREE from 'three'
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import { WorldRendererThree } from './worldrendererThree'
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export interface SoundSystem {
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playSound: (position: { x: number, y: number, z: number }, path: string, volume?: number, pitch?: number) => void
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destroy: () => void
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}
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export class ThreeJsSound implements SoundSystem {
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audioListener: THREE.AudioListener | undefined
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private readonly activeSounds = new Set<THREE.PositionalAudio>()
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private readonly audioContext: AudioContext | undefined
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constructor (public worldRenderer: WorldRendererThree) {
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}
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initAudioListener () {
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if (this.audioListener) return
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this.audioListener = new THREE.AudioListener()
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this.worldRenderer.camera.add(this.audioListener)
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}
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playSound (position: { x: number, y: number, z: number }, path: string, volume = 1, pitch = 1) {
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this.initAudioListener()
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const sound = new THREE.PositionalAudio(this.audioListener!)
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this.activeSounds.add(sound)
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const audioLoader = new THREE.AudioLoader()
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const start = Date.now()
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void audioLoader.loadAsync(path).then((buffer) => {
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if (Date.now() - start > 500) return
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// play
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sound.setBuffer(buffer)
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sound.setRefDistance(20)
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sound.setVolume(volume)
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sound.setPlaybackRate(pitch) // set the pitch
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this.worldRenderer.scene.add(sound)
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// set sound position
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sound.position.set(position.x, position.y, position.z)
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sound.onEnded = () => {
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this.worldRenderer.scene.remove(sound)
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sound.disconnect()
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this.activeSounds.delete(sound)
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audioLoader.manager.itemEnd(path)
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}
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sound.play()
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})
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}
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destroy () {
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// Stop and clean up all active sounds
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for (const sound of this.activeSounds) {
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sound.stop()
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sound.disconnect()
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}
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// Remove and cleanup audio listener
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if (this.audioListener) {
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this.audioListener.removeFromParent()
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this.audioListener = undefined
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}
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}
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playTestSound () {
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this.playSound(this.worldRenderer.camera.position, '/sound.mp3')
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}
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}
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