uniquake/Assets/Scripts/Modules/AliasModelAnimator.cs

using System.Collections;
using UnityEngine;

public class AliasModelAnimator : MonoBehaviour
{
    //private int frameNumber = 0;
    private float frameNumber = 0;

    IEnumerator Start()
    {
        var meshRenderer = GetComponent<SkinnedMeshRenderer>();
        if (!meshRenderer)
        {
            Destroy(this);
            yield break;
        }

        var mesh = meshRenderer.sharedMesh;
        int numFrames = mesh.GetBlendShapeFrameCount(0);

        while (true)
        {
            float blendWeight = (float)frameNumber / numFrames;
            meshRenderer.SetBlendShapeWeight(0, blendWeight);

            //yield return new WaitForSeconds(0.1f); // Animate at 10 fps
            yield return null;

            //frameNumber = (frameNumber + 1) % numFrames;
            frameNumber = (frameNumber + Time.deltaTime * 10) % numFrames;
        }
    }
}