How I built a live halftone portrait in React with just Canvas 2D

My portfolio is set like a newspaper, so my photo couldn't just be a photo. I wanted it to look like a printed halftone: a grid of dots, bigger where the picture is dark and smaller where it's light. And I wanted it to be alive, so the dots swell and get pushed away when you move the cursor over them. It turned out to be about 150 lines of React... Weiterlesen: How I built a live halftone portrait in React with just Canvas 2D