Mandelbrot Set in JS - Smooth Scroll Zoom &...

This is a follow-up to Mandelbrot Set in JS - Zoom In. In that article we built a Mandelbrot renderer using Canvas and Web Workers, with click-to-zoom. This post covers what broke after ~16 zooms, why it broke (floating-point precision), and how we replaced click zoom with a smooth scroll-based zoom that also lets you zoom back out. The Problem: Everything Turns Black After ~16 Clicks If you played with the previous demo long enough, you noticed something strange: after zooming in about 16 times