Bouncing loading dots in Unity using DoTween

LoadingDots.cs

using System.Collections.Generic;
using UnityEngine;
using DG.Tweening;

public class LoadingDots : MonoBehaviour {

	//the total time of the animation
	public float repeatTime = 1;

	//the time for a dot to bounce up and come back down
	public float bounceTime = 0.25f;

	//how far does each dot move
	public float bounceHeight = 10;

	public List<GameObject> dots;

	void Start(){
		if (repeatTime < dots.Count * bounceTime){
			repeatTime = dots.Count * bounceTime;
		}
		InvokeRepeating("Animate", 0, repeatTime);
	}
	
	void Animate(){
		for (int i = 0; i < dots.Count; i++){
			int dotIndex = i;

			dots[dotIndex].transform
				.DOMoveY(dots[dotIndex].transform.position.y + bounceHeight, bounceTime / 2)
				.SetDelay(dotIndex * bounceTime / 2)
				.SetEase(Ease.OutQuad)
				.OnComplete(() =>
				{	
					dots[dotIndex].transform
						.DOMoveY(dots[dotIndex].transform.position.y - bounceHeight, bounceTime / 2)
						.SetEase(Ease.InQuad);
				});
		}
	}
}

Preview: