public float animationSpeed;

public MeshFilter meshFilter;
public Mesh[] meshSequence;

int curFrame;
float frameLength;

// Start is called before the first frame update
void Start()
{

}

// Update is called once per frame
void Update()
{
if(frameLength >= animationSpeed)
{
UpdateAnimationFrame();
frameLength = 0;
}
else
{
frameLength += Time.deltaTime;
}
}

void UpdateAnimationFrame()
{
curFrame++;
if (curFrame > meshSequence.Length - 1) curFrame = 0;
meshFilter.mesh = meshSequence[curFrame];
}