Unity3D获取模型在运动中任意帧的顶点坐标

public SkinnedMeshRenderer rendererBody;
Mesh mesh;

private void Awake()
{
    Instance = this;

    mesh = new Mesh();
}

public Vector3[] GetMeshBodyWorldPoint()
{
    Vector3[] v3s = null;
    if (rendererBody != null)
    {
        //这里是关键，将一个蒙皮动画的某个时间点上的动作，Bake成一个不带蒙皮的Mesh
        rendererBody.BakeMesh(mesh);
        int count = mesh.vertexCount;
        v3s = new Vector3[count];
        Vector3[] meshv3s = mesh.vertices;
        for (int i = 0; i < count; i++)
        {
            v3s[i] = transform.TransformPoint(meshv3s[i]);
        }
    }
    return v3s;
}