using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SinRotator : MonoBehaviour
{
    public float speed;
    float amplitude = 0.2f;

    private void Start()
    {
        amplitude = transform.localScale.x;
    }
    void Update()
    {
        float x = 0.5f + 0.5f * Mathf.Sin(Time.time * speed);
        x *= amplitude;
        transform.localScale = new Vector3(x, transform.localScale.y, transform.localScale.z);
    }
}