46 lines
1.5 KiB
C#
46 lines
1.5 KiB
C#
|
using UnityEngine;
|
|||
|
|
using System.Collections;
|
|||
|
|
|
|||
|
|
public class AudioMouthController : MonoBehaviour
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
public SkinnedMeshRenderer meshRenderer; // 模型的SkinnedMeshRenderer组件
|
|||
|
|
public int blendShapeIndex; // blendshape索引
|
|||
|
|
public float blendWeightMultiplier = 100f; // blendshape权重倍增器
|
|||
|
|
public float smoothTime = 0.1f; // 平滑过渡时间
|
|||
|
|
|
|||
|
|
[SerializeField]private AudioSource audioSource; // 音频源
|
|||
|
|
|
|||
|
|
private float blendWeight; // blendshape权重
|
|||
|
|
private float blendWeightVelocity; // blendshape权重的速度
|
|||
|
|
|
|||
|
|
void Update()
|
|||
|
|
{
|
|||
|
|
// 如果音频正在播放，则平滑设置blendshape的权重
|
|||
|
|
if (audioSource.isPlaying)
|
|||
|
|
{
|
|||
|
|
float amplitude = GetAmplitude();
|
|||
|
|
blendWeight = Mathf.SmoothDamp(blendWeight, amplitude * blendWeightMultiplier, ref blendWeightVelocity, smoothTime);
|
|||
|
|
meshRenderer.SetBlendShapeWeight(blendShapeIndex, blendWeight);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
blendWeight = Mathf.SmoothDamp(blendWeight, 0f, ref blendWeightVelocity, smoothTime);
|
|||
|
|
meshRenderer.SetBlendShapeWeight(blendShapeIndex, blendWeight);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 获取音频振幅
|
|||
|
|
float GetAmplitude()
|
|||
|
|
{
|
|||
|
|
float[] samples = new float[512];
|
|||
|
|
audioSource.GetOutputData(samples, 0);
|
|||
|
|
float sum = 0f;
|
|||
|
|
for (int i = 0; i < samples.Length; i++)
|
|||
|
|
{
|
|||
|
|
sum += Mathf.Abs(samples[i]);
|
|||
|
|
}
|
|||
|
|
return sum / samples.Length;
|
|||
|
|
}
|
|||
|
|
}
|