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feat(background-music): add emmitter and config to play (#25)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 +1,92 @@ | ||
| using System.Collections; | ||
| using UnityEngine; | ||
| using UnityEngine.Events; | ||
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| namespace Long18.System.Audio.Emitters | ||
| { | ||
| [RequireComponent((typeof(AudioSource)))] | ||
| public class AudioEmitter : MonoBehaviour | ||
| { | ||
| public event UnityAction<AudioEmitterValue> OnFinishedPlaying; | ||
| private const float DEFAULT_VOLUME = 3f; | ||
| private const float FADE_VOLUME_DURATION = 2f; | ||
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| [SerializeField] private AudioSource _audioSource; | ||
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| private AudioEmitterValue _emitterValue; | ||
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| public void PlayAudioClip(AudioClip clip, bool hasLoop) | ||
| { | ||
| _emitterValue = new AudioEmitterValue(this); | ||
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| _audioSource.clip = clip; | ||
| // TODO: Create volume config | ||
| _audioSource.volume = DEFAULT_VOLUME; | ||
| _audioSource.loop = hasLoop; | ||
| _audioSource.time = 0f; | ||
| _audioSource.Play(); | ||
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| if (hasLoop) return; | ||
| Invoke(nameof(OnFinishedPlay), clip.length); | ||
| } | ||
|
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| public void FadeMusicIn(AudioClip clip, float startTime = 0f) | ||
| { | ||
| PlayAudioClip(clip, true); | ||
| StartCoroutine(FadeIn(0, 0.5f)); | ||
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| if (startTime <= _audioSource.clip.length) | ||
| { | ||
| _audioSource.time = startTime; | ||
| } | ||
|
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| // TODO: Create volume config | ||
| StartCoroutine(FadeIn(DEFAULT_VOLUME, FADE_VOLUME_DURATION)); | ||
| } | ||
|
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| public float FadeMusicOut() | ||
| { | ||
| StartCoroutine(FadeOut(FADE_VOLUME_DURATION)); | ||
|
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| return _audioSource.time; | ||
| } | ||
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| private IEnumerator FadeIn(float targetVolume, float duration) | ||
| { | ||
| float currentTime = 0; | ||
| float startVolume = _audioSource.volume; | ||
|
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| while (currentTime < duration) | ||
| { | ||
| currentTime += Time.deltaTime; | ||
| _audioSource.volume = Mathf.Lerp(startVolume, targetVolume, currentTime / duration); | ||
| yield return null; | ||
| } | ||
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| _audioSource.volume = targetVolume; | ||
| } | ||
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| private IEnumerator FadeOut(float duration) | ||
| { | ||
| float currentTime = 0; | ||
| float startVolume = _audioSource.volume; | ||
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| while (currentTime < duration) | ||
| { | ||
| currentTime += Time.deltaTime; | ||
| _audioSource.volume = Mathf.Lerp(startVolume, 0f, currentTime / duration); | ||
| yield return null; | ||
| } | ||
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| _audioSource.volume = 0f; | ||
| OnFinishedPlay(); | ||
| } | ||
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| public void Resume() => _audioSource.Play(); | ||
| public void Pause() => _audioSource.Pause(); | ||
| public void Stop() => _audioSource.Stop(); | ||
| public AudioClip GetClip() => _audioSource.clip; | ||
| public bool IsPlaying() => _audioSource.isPlaying; | ||
| private void OnFinishedPlay() => OnFinishedPlaying?.Invoke(_emitterValue); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| using System; | ||
| using UnityEngine.Events; | ||
|
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| namespace Long18.System.Audio.Emitters | ||
| { | ||
| [Serializable] | ||
| public struct AudioEmitterValue | ||
| { | ||
| private AudioEmitter _audioEmitter; | ||
| public AudioEmitterValue(AudioEmitter audioEmitter) => _audioEmitter = audioEmitter; | ||
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| public void UnregisterAudioFinishedPlayingEvent(UnityAction<AudioEmitterValue> audioFinishedPlaying) | ||
| { | ||
| if (_audioEmitter) _audioEmitter.OnFinishedPlaying -= audioFinishedPlaying; | ||
| } | ||
|
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| public void StopAudio() | ||
| { | ||
| if (_audioEmitter) _audioEmitter.Stop(); | ||
| } | ||
| } | ||
| } |
3 changes: 3 additions & 0 deletions
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Assets/Scripts/System/Audio/Emitters/AudioEmitterValue.cs.meta
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