这是第一个 Unity 开放项目的repo,是 Unity 和社区合作创建的一个小型开源游戏演示,第一款游戏是一款名为 Chop Chop 的动作冒险游戏。
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128 行
2.8 KiB

using DG.Tweening;
using System;
using System.Collections;
using UnityEngine;
using UnityEngine.Events;
[RequireComponent(typeof(AudioSource))]
public class SoundEmitter : MonoBehaviour
{
private AudioSource _audioSource;
public event UnityAction<SoundEmitter> OnSoundFinishedPlaying;
private void Awake()
{
_audioSource = this.GetComponent<AudioSource>();
_audioSource.playOnAwake = false;
}
/// <summary>
/// Instructs the AudioSource to play a single clip, with optional looping, in a position in 3D space.
/// </summary>
/// <param name="clip"></param>
/// <param name="settings"></param>
/// <param name="hasToLoop"></param>
/// <param name="position"></param>
public void PlayAudioClip(AudioClip clip, AudioConfigurationSO settings, bool hasToLoop, Vector3 position = default)
{
_audioSource.clip = clip;
settings.ApplyTo(_audioSource);
_audioSource.transform.position = position;
_audioSource.loop = hasToLoop;
_audioSource.time = 0f; //Reset in case this AudioSource is being reused for a short SFX after being used for a long music track
_audioSource.Play();
if (!hasToLoop)
{
StartCoroutine(FinishedPlaying(clip.length));
}
}
public void FadeMusicIn(AudioClip musicClip, AudioConfigurationSO settings, float duration, float startTime = 0f)
{
PlayAudioClip(musicClip, settings, true);
_audioSource.volume = 0f;
//Start the clip at the same time the previous one left, if length allows
//TODO: find a better way to sync fading songs
if (startTime <= _audioSource.clip.length)
_audioSource.time = startTime;
_audioSource.DOFade(1f, duration);
}
public float FadeMusicOut(float duration)
{
_audioSource.DOFade(0f, duration).onComplete += OnFadeOutComplete;
return _audioSource.time;
}
private void OnFadeOutComplete()
{
NotifyBeingDone();
}
/// <summary>
/// Used to check which music track is being played.
/// </summary>
public AudioClip GetClip()
{
return _audioSource.clip;
}
/// <summary>
/// Used when the game is unpaused, to pick up SFX from where they left.
/// </summary>
public void Resume()
{
_audioSource.Play();
}
/// <summary>
/// Used when the game is paused.
/// </summary>
public void Pause()
{
_audioSource.Pause();
}
public void Stop()
{
_audioSource.Stop();
}
public void Finish()
{
if (_audioSource.loop)
{
_audioSource.loop = false;
float timeRemaining = _audioSource.clip.length - _audioSource.time;
StartCoroutine(FinishedPlaying(timeRemaining));
}
}
public bool IsPlaying()
{
return _audioSource.isPlaying;
}
public bool IsLooping()
{
return _audioSource.loop;
}
IEnumerator FinishedPlaying(float clipLength)
{
yield return new WaitForSeconds(clipLength);
NotifyBeingDone();
}
private void NotifyBeingDone()
{
OnSoundFinishedPlaying.Invoke(this); // The AudioManager will pick this up
}
}