Shaderの円を拡縮する

Circle.cs

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

public class Circle : MonoBehaviour {
    Renderer _renderer;
	// Use this for initialization
	void Start () {
        _renderer = GetComponent<Renderer>();
	}
	
	// Update is called once per frame
	void Update () {
        float scale = Mathf.PingPong(Time.time/2,0.1f);
        _renderer.material.SetFloat("Vector1_32F393B5", scale);
    }
}