Gameplay Ingredients是一组用于 Unity 游戏的运行时和编辑器工具:一组脚本的集合,可在制作游戏和原型时简化简单的任务。
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64 行
2.1 KiB

using System.Collections;
using System;
using UnityEngine;
using UnityEngine.Audio;
using UnityEngine.Events;
namespace GameplayIngredients.Actions
{
[AddComponentMenu(ComponentMenu.actionsPath + "Audio Mix Parameter Action")]
[Callable("Audio", "Actions/ic-action-audio.png")]
public class AudioMixParameterAction : ActionBase
{
public AudioMixer AudioMixer;
public string Parameter = "Parameter";
public float Value;
public float InterpDuration = 0;
public UnityEvent OnInterpComplete;
Coroutine m_Coroutine;
public override void Execute(GameObject instigator = null)
{
if (InterpDuration <= 0.0f)
{
AudioMixer.SetFloat(Parameter, Value);
}
else
{
if (m_Coroutine != null)
StopCoroutine(m_Coroutine);
m_Coroutine = StartCoroutine(InterpParameterCoroutine(AudioMixer, InterpDuration, Parameter, Value, OnInterpComplete));
}
}
IEnumerator InterpParameterCoroutine(AudioMixer mixer, float duration, string parameter, float targetvalue, UnityEvent onInterpComplete)
{
float initial = 0.0f;
if (mixer.GetFloat(parameter, out initial))
{
float t = 0.0f;
t += Time.deltaTime / duration;
while (t < 1.0f)
{
mixer.SetFloat(parameter, Mathf.Lerp(initial, targetvalue, t));
yield return new WaitForEndOfFrame();
}
mixer.SetFloat(parameter, targetvalue);
yield return new WaitForEndOfFrame();
onInterpComplete.Invoke();
}
else
{
throw new InvalidOperationException("Parameter " + parameter + " does not exist on target AudioMixer : " + mixer.name);
}
}
public override string GetDefaultName()
{
return $"Set Mixer Param:'{Parameter}' to {Value} ({InterpDuration})s";
}
}
}