For loop with delay

.cs

public int[] myArr = new int[3];
public float delay = 5.0f;
private float lastDebugTime;
private int currIndex;

// For keeping track of the index in a foreach loop
private float foreachIndex;

private void Update()
{
    // For loop method
    for (int i=0; i<myArr.Length; i++)
    {
        if (Time.time > lastDebugTime + delay && currIndex == i)
        {
            currIndex++;

            if (i == myArr.Length-1)
                currIndex = 0;

            Debug.Log(i);
            lastDebugTime = Time.time;
        }
    }
    // foreach method
    foreach(Vector3int position in activeTM.cellBounds.allPositionsWithin)
    {  
        if (Time.time > lastDebugTime + delay && currIndex == foreachIndex)
        {
            currIndex++;

            if (foreachIndex == myArr.Length-1)
                currIndex = 0;

            activeTM.SetTile(position, seasonMaps[to].GetTile));
            lastDebugTime = Time.time;
        }
        foreachIndex++;
        
        // When using a foreach loop, you need to keep track of the index manually
        if (foreachIndex == activeTM.cellBounds.allPositionsWithin.Length-1)
            foreachIndex = 0;
    }
 }