Little pixel fun zone

Fast blue hedgehog man in Little Pixel Fun Zone, Act 1 (original art by the author). tl;dr I made a simple toy pixel-editor for the browser , which helped me learn about reacting to user clicks and implementing undo/redo in {shiny}. Just browsing My {pixeltrix} package is a local pixel editor you can run from the R console 1 . It’s intentionally simple. You start a graphics device and click the…