Mikilo

// /!\ Save this script in an Editor folder /!\
// Open the window at Tools/NG Scene Camera to enable & configure the speeds.
// Use the Scroll Wheel to change speed on the fly.
// Press Ctrl to use the sub-speed.
// Use Ctrl + Scroll Wheel to change the sub-speed.
// Tested with : Unity 2019.1

using System;
using System.Collections.Generic;
using System.Reflection;