Processing 2.x and 3.x Forum
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Announcements & Guidelines
See news and information about Processing and the forum here. Read-only section.
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Commonly asked questions (FAQ) about programming in Processing. Also gives instructions how to use this forum. Read only.
Integer Division (Why does 2 / 5 = 0?)
General discussion around Processing: installation, usage of the PDE, etc. Do not ask programming questions in this category, use the sub-categories instead.
could not run the sketch (target VN fai…
Questions about programming with Processing. If the question can be formulated with a "how to", go to this category instead. If you already have some code, go to the "Questions about code" category.
Interface can only be defined in a top-…
Questions about Code
Only for questions where you show some code, preferably your own, and ask questions about it: how to fix it, how to improve it, etc.
Detect command line invocation of a ske…
When you have a programming question, but no code yet: "how to track movement", "how to make sound from image" (or the reverse), and similar general questions.
How would I make a 10 x 10 grid of squa…
Questions about the video tutorial introduction to Processing at http://hello.processing.org
How should i start learning Processing?
GLSL / Shaders
Questions about OpenGL shaders, also known as OpenGL Shading Language (GLSL).
Warping texture with an other texture
If your sketch uses a library you had to install, ask your question here.
How to make Piano virtual, with hand de…
Hardware, Integration & Other Languages
best Processing hardware setup for inst…
If your sketch needs a Kinect device, ask your questions here.
Export .obj from 3d slitscan mesh
Ask questions about programs communicating with an Arduino board here.
Convert String to float for drawing gra…
Processing on the PI
Pi 3 + onboard bluetooth not supported?
Questions about Modes
Processing supports different running modes. If your question is about using a mode (not the default Java one!), ask it here.
Including a jar resource from another m…
Questions about developing code in the Android mode / specific about the Android platform.
Problem with building in P3.3.6, androi…
Where's the official list of processing…
Questions about Python Mode.
Why do I keep getting similar errors wh…
Questions about Tools
For questions about the Processing Tools. Can also be used for questions about other IDEs like Eclipse, NetBeans, etc.
[G4P gui builder tool] OLD: Source code…
General category for discussions in Spanish.
Questions and discussions about the development of Processing itself, how to improve it, etc.
Pixel test for simple sketches -- feedb…
Create & Announce Libraries
If you develop a library for Processing, you can ask questions about such development here, and announce it here.
GameLibZero - New video game library fo…
Create & Announce Modes
If you develop a mode for Processing, you can ask questions about such development here, and announce it here.
[ANN] R Language Mode for Processing Av…
Create & Announce Tools
If you develop a tool for Processing, you can ask questions about such development here, and announce it here.
Is there a process for submitting examp…
Rails Girls Summer of Code 2017
Discussion about projects for Rails Girls Summer of Code 2017
Application for Processing for android
Google Summer of Code 2017
Discussion about projects for Google's Summer of Code 2017
Testing / unit testing / TDD with Proce…
Summer of Code 2016
Discussion about projects for Google's Summer of Code 2016
Project ideas for Python Mode for Gsoc-…
Summer of Code 2015
Discussion about projects for Google's Summer of Code 2015
GSOC 2015 Ideas - p5.js WebGL render an…
Summer of Code 2014
Discussion about projects for Google's Summer of Code 2014
Implementing various inputs and/or Asio…
sometimes it works, sometimes it doesn'…
p5.js Programming Questions
scale an image according to the (adapti…
p5.js Library Questions
p5.js code feedback/critique
p5.js Development Questions
p5js text() and diacritics not showing …
This header category groups the questions about this forum.
Can we make a CAD model that can do FEM…
Share Your Work
You made something cool with Processing? Show your finished work here, in code, in images or videos. (That's not a place to ask questions about your code!)
Visualizing three dimensional arrays
Events & Opportunities
Announce an event or job offers, related to Processing.
Looking for participants for user inter…
Here you can chat about anything. Don't spam!
advice on turning Processing sketch (ja…
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