IEnumerator Method()
{
      while(true)
     {
        Делаем что надо
        yield return new WaitForSecond(период "вызова" метода);
     }
}

public void StartMethod() { StartCoroutine(Method); }
public void StopMethod() { StopCoroutine("Method"); }

using System;
using System.Collections;
using UnityEngine;

public class Timer : MonoBehaviour
{
     private Action __act;
     private bool __enable;
     private float __period;

     private IEnumerator Method()
     {
         while (__enable)
         {
             __act();
             yield return new WaitForSeconds(__period);
         }
     }

     public void StartTimer(float period, Action act)
     {
         __period = period;
         __act = act;
         __enable = true;
         StartCoroutine(Method());
     }
     public void StopTimer() { __enable = false; }
     public float Period { get { return __period; } set { __period = value; } }
}

rez=Screen.currentResolution.width + "x" + Screen.currentResolution.height;
   
if(rez=="1600x1200"){
Screen.SetResolution(1280, 800, true, 30);

SystemInfo.operatingSystem;
SystemInfo.graphicsDeviceName;
SystemInfo.graphicsDeviceVersion;

var readSave = new File.OpenText("save.dob");

        public static float Min(params float[] values)
         {
             int length = values.Length;
             if (length == 0)
             {
                 return 0f;
             }
             float num2 = values[0];
             for (int i = 1; i < length; i++)
             {
                 if (values[i] < num2)
                 {
                     num2 = values[i];
                 }
             }
             return num2;
         }

distanceDown.clear();
for(var xDown = 0; xDown < 5; xDown++) {
for(var yDown = 0; yDown < 5; yDown++) {
var hitDown : RaycastHit;
Physics.Raycast (transform.position+Vector3(pos[xDown],0.29,pos[yDown]), Vector3.down, hitDown, 10.0);
distanceDown[distanceDown.length] = Vector3.Distance(transform.position+Vector3(pos[xDown],0.29,pos[yDown]), hitDown.point);
}}

for(var zDown = 0; zDown < 25; zDown++) {
if (distanceDown[zDown]<0.598&&distanceDown[zDown]<xDURL) { xDURL = distanceDown[zDown]; }
}
if (xDURL<0.598) { positionDULR[positionDULR.lenght] = xDURL; positionDULRVector3[positionDULR.lenght] = Vector3(0,1,0); }