Processing Community Forum

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PCD @ Worldwide 2026 - Call for Organizers

In 2026, Processing turns 25. This October, we will celebrate together around the world, through events organized by local communities. If Processing or p5.js have been part of your work, teaching, or creative practice, …

73 2252 July 30, 2026
Welcome to the Processing Foundation Discourse

This is a place to discuss Processing, p5.js, Processing for Android, Processing for Pi, Processing.py and related software initiatives. It’s a place to talk about general ideas and specific projects. You can learn more …

0 9963 May 11, 2018
Guidelines—Answering Questions

If you’re here, it means you’re thinking about contributing to the Processing community by answering questions on the forum. That’s great! This guide is meant to help you answer questions in a way that’s most helpful. B…

0 9416 July 27, 2018
Guidelines—Asking Questions

Summary (TL;DR) Ask complete questions to get better answers! Be specific. For example: I want to load an image. I tried using createImg() , and I expected the image to be on canvas, but what happened instead was the i…

0 18566 July 27, 2018
Drawing 2D GUI over a 3D sketch 2 766 August 17, 2026
C++ Mode, a plugin that lets you write Processing sketches in C++ 5 77 August 17, 2026
Processing2Hologram — a Processing 4 library for Looking Glass holographic displays 9 65 August 17, 2026
Modifying the Processing Editor Appearance 0 16 August 16, 2026
Android compilation fails also with the new Processing version 4.5.6 13 240 August 16, 2026
canvasGUI 3.2.0 (new release) 0 20 August 16, 2026
New Renderer currently in progress 7 174 August 15, 2026
Improve loop protection warning for slow loops that are not infinite 1 38 August 15, 2026
PCD @ Bath 2026 3 125 August 13, 2026
PCD @ Sao Paulo 2026 3 80 August 13, 2026
Making keyPressed() doesn't seem to work in p5.js as it did in Java, how can I make it work or replace it? 4 33 August 13, 2026
Getting error in version 4 8 37 August 12, 2026
Processing for College Boards AP CS A (AP Java) 0 30 August 12, 2026
How to 3D flow field? 2 51 August 11, 2026
Could not connect to the Processing server to install libraries 8 640 August 11, 2026
PCD @ Berlin 2026 6 126 August 11, 2026
Wrapping images around fractals with Fractal Wrapper 1 37 August 11, 2026
Survey on p5.js dependencies 0 22 August 11, 2026
PCD @ Melbourne 2026 3 115 August 11, 2026
PCD @ Washington, DC 2026 18 264 August 10, 2026
Collision Detection using a Quadtree 1 39 August 10, 2026
Do you use UML? 3 93 August 8, 2026
V2 offline reference? 1 41 August 7, 2026
Example of Preload with await using a Files class 2 57 August 6, 2026
Generating txt.file in real time 3 78 August 6, 2026
Collision Detection using Sweep and Prune 0 54 August 5, 2026

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