team2_nc/assets/Scripts/core/sound/Sound.ts

import { AudioClip, Component, SystemEventType, _decorator } from "cc";
const { ccclass, property } = _decorator;
/**
 * 声音组件
 * @author 袁浩
 */
@ccclass("Sound")
export class Sound extends Component {
    @property({ tooltip: "点击后播放的声音", type: [AudioClip] })
    public clips: AudioClip[] = [];
    @property({ visible: false })
    private _volume: number = 1;
    @property({ tooltip: "音量", min: 0, max: 1, step: 0.1 })
    public get volume(): number {
        return this._volume;
    }
    public set volume(value: number) {
        for (let i = 0; i < this.clips.length; i++) {
            const clip = this.clips[i];
            clip.setVolume(value);
        }
        this._volume = value;
    }
    @property({ tooltip: "音量是否受全局影响" })
    public useGlobalVolume: boolean = true;
    @property({ tooltip: "是否在声音组件运行时自动播放" })
    public playOnLoad: boolean = true;
    @property({ tooltip: "是否在触摸节点时播放" })
    public playOnTouch: boolean = false;
    @property({ tooltip: "播放时是否不覆盖前一个声音" })
    public oneShot: boolean = true;
    @property({
        tooltip: "是否循环播放", visible() {
            return !this.oneShot;
        }
    })
    public loop: boolean = false;
    /**
     * Sound组件全局音量系数
     */
    public static volumeScale: number = 1;
    start() {
        this.node.on(SystemEventType.TOUCH_END, this.onTouchEnd, this);
        this.playOnLoad && this.play();
    }
    private onTouchEnd() {
        this.playOnTouch && this.play();
    }
    public play(index: number = 0) {
        var volume = this.volume * (this.useGlobalVolume ? Sound.volumeScale : 1);
        this.clips[index].setLoop(this.loop);
        if (this.oneShot) {
            this.clips[index].playOneShot(volume);
        }
        else {
            for (let i = 0; i < this.clips.length; i++) {
                const clip = this.clips[i];
                if (i != index) {
                    clip.stop();
                }
            }
            this.clips[index].setVolume(volume);
            this.clips[index].play();
        }
    }
    public stop() {
        this.clips[0].stop();
    }
}