# Latest

**URL:** https://discourse.processing.org/latest.md?page=9

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 10

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## [PCD @ Leicester 2026](https://discourse.processing.org/t/pcd-leicester-2026/48214)

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**Author:** [@seanzshow](https://discourse.processing.org/u/seanzshow)\
**Replies:** 1\
**Last updated:** [March 18, 2026, 12:08pm UTC](https://discourse.processing.org/t/pcd-leicester-2026/48214 "2026-03-18T12:08:24Z")

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Hi Just adding this in as we’d love to host something in Leicester/Midlands UK. We’d be really keen to team up with anyone local who might be interested also!

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## [PCD@London 2026](https://discourse.processing.org/t/pcd-london-2026/48132)

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**Author:** [@limzykenneth](https://discourse.processing.org/u/limzykenneth)\
**Replies:** 1\
**Last updated:** [March 17, 2026, 5:37pm UTC](https://discourse.processing.org/t/pcd-london-2026/48132 "2026-03-17T17:37:27Z")

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As per the main thread, I’m planning to organise Processing Community Day in London, possibly hosted and run by UAL CCI where I work. There are a few of us here at CCI that works on p5.js and related stuff and we welcome…

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## [PCD @ Greensboro 2026](https://discourse.processing.org/t/pcd-greensboro-2026/48142)

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**Author:** [@lilyxia99](https://discourse.processing.org/u/lilyxia99)\
**Replies:** 1\
**Last updated:** [March 17, 2026, 5:31pm UTC](https://discourse.processing.org/t/pcd-greensboro-2026/48142 "2026-03-17T17:31:29Z")

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Hi everyone, I am Leilei Xia, I do animation, tactile art and community engaged project. I am currently teaching p5.js in interactivity classes in University of North Carolina Greensboro. I am looking forward to hosting …

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## [How am I wrong with this](https://discourse.processing.org/t/how-am-i-wrong-with-this/48083)

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**Author:** [@cancelbutton](https://discourse.processing.org/u/cancelbutton)\
**Replies:** 6\
**Last updated:** [March 16, 2026, 4:36pm UTC](https://discourse.processing.org/t/how-am-i-wrong-with-this/48083 "2026-03-16T16:36:39Z")

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## [10 print chr$(205.5+rnd(1)); : goto 10](https://discourse.processing.org/t/10-print-chr-205-5-rnd-1-goto-10/15483)

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**Author:** [@paulstgeorge](https://discourse.processing.org/u/paulstgeorge)\
**Replies:** 76\
**Last updated:** [March 15, 2026, 9:46pm UTC](https://discourse.processing.org/t/10-print-chr-205-5-rnd-1-goto-10/15483 "2026-03-15T21:46:55Z")

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10 PRINT CHR$(205.5+RND(1)); : GOTO 10 Can this be done in Processing? :grin: @jeremydouglass

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## [Video doesn't play on the canvas. I don't understand why!](https://discourse.processing.org/t/video-doesnt-play-on-the-canvas-i-dont-understand-why/48095)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 5\
**Last updated:** [March 13, 2026, 8:17am UTC](https://discourse.processing.org/t/video-doesnt-play-on-the-canvas-i-dont-understand-why/48095 "2026-03-13T08:17:16Z")

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Hello, I tried this let video; function setup() { createCanvas(900, 600); video = createVideo("video.mp4"); video.hide(); video.loop(); } function draw() { background(200); image(video,10, 10); } video.m…

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## [JFXHighlighter in Processing](https://discourse.processing.org/t/jfxhighlighter-in-processing/48070)

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**Author:** [@swp791](https://discourse.processing.org/u/swp791)\
**Replies:** 6\
**Last updated:** [March 11, 2026, 11:07pm UTC](https://discourse.processing.org/t/jfxhighlighter-in-processing/48070 "2026-03-11T23:07:27Z")

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Hello. Has anyone used the JFoenix library with Processing. I am trying to make a text highlighter in a JavaFX TextArea. Since JavaFX doesn’t have one I tried using the JFoenix library without much success. After some r…

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## [Need some help with a whack-a-mole](https://discourse.processing.org/t/need-some-help-with-a-whack-a-mole/48017)

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**Author:** [@Lumine](https://discourse.processing.org/u/Lumine)\
**Replies:** 5\
**Last updated:** [March 11, 2026, 6:23pm UTC](https://discourse.processing.org/t/need-some-help-with-a-whack-a-mole/48017 "2026-03-11T18:23:06Z")

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I need help because I’m new to Processing and I was wondering how to create a timer for a little game (a whack-a-mole game with cubes instead of moles). I need to finish the code quickly (in less than a week) and I REAL…

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## [Questions about Processing fellowship this year](https://discourse.processing.org/t/questions-about-processing-fellowship-this-year/48059)

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**Author:** [@vaishnavi192](https://discourse.processing.org/u/vaishnavi192)\
**Replies:** 3\
**Last updated:** [March 11, 2026, 5:57pm UTC](https://discourse.processing.org/t/questions-about-processing-fellowship-this-year/48059 "2026-03-11T17:57:37Z")

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Hi! I am Vaishnavi, I started learning and using Processing 2 years back. Made various sketches and content around processing. I wanted to apply to Processing fellowship this year. I wanted to know the judging criteria a…

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## [Reflections on learning programming](https://discourse.processing.org/t/reflections-on-learning-programming/48061)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 0\
**Last updated:** [March 9, 2026, 10:40pm UTC](https://discourse.processing.org/t/reflections-on-learning-programming/48061 "2026-03-09T22:40:35Z")

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I have worked for many years (over 15 years) with/for children between 7-12 years old. I offered them workshops on video game creativity and scientific experiences. I used The Game Factory at first, then Scratch in its …

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## [Processing Forum doesn't like my Windows-7 PC](https://discourse.processing.org/t/processing-forum-doesnt-like-my-windows-7-pc/47859)

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**Author:** [@RichardDL](https://discourse.processing.org/u/RichardDL)\
**Replies:** 7\
**Last updated:** [March 9, 2026, 9:37pm UTC](https://discourse.processing.org/t/processing-forum-doesnt-like-my-windows-7-pc/47859 "2026-03-09T21:37:45Z")

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My favourite computer is running Windows-7 and Firefox 115.32.Oesr. Recently the Processing Forum has declared this as unsupported, shows in a miserable format, and doesn’t allow posting. I understand that testing on a…

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## [A world map for individuals and ProcessingS groups?](https://discourse.processing.org/t/a-world-map-for-individuals-and-processings-groups/48057)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 2\
**Last updated:** [March 9, 2026, 9:27pm UTC](https://discourse.processing.org/t/a-world-map-for-individuals-and-processings-groups/48057 "2026-03-09T21:27:04Z")

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Hello, I’ve just read the Processing Community Day (PCD) email. So, I was thinking… Wouldn’t it be great if there was a map of the world on which one could position oneself as an individual or as a group with some inf…

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## [Debugging in version 4.5.2 (windows 11) ignores steps and breakpoints](https://discourse.processing.org/t/debugging-in-version-4-5-2-windows-11-ignores-steps-and-breakpoints/48051)

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**Author:** [@jagemann](https://discourse.processing.org/u/jagemann)\
**Replies:** 0\
**Last updated:** [March 8, 2026, 5:38pm UTC](https://discourse.processing.org/t/debugging-in-version-4-5-2-windows-11-ignores-steps-and-breakpoints/48051 "2026-03-08T17:38:23Z")

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Debugging in version 4.5.2 (windows 11) ignores steps and breakpoints.

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## [Convert touch events to mouse events for running sketches on iOS](https://discourse.processing.org/t/convert-touch-events-to-mouse-events-for-running-sketches-on-ios/48037)

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**Author:** [@poppanona](https://discourse.processing.org/u/poppanona)\
**Replies:** 1\
**Last updated:** [March 6, 2026, 9:27am UTC](https://discourse.processing.org/t/convert-touch-events-to-mouse-events-for-running-sketches-on-ios/48037 "2026-03-06T09:27:39Z")

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## [Looking for a p5 2.x.x tutorial](https://discourse.processing.org/t/looking-for-a-p5-2-x-x-tutorial/47999)

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**Author:** [@grege2](https://discourse.processing.org/u/grege2)\
**Replies:** 4\
**Last updated:** [March 2, 2026, 10:10pm UTC](https://discourse.processing.org/t/looking-for-a-p5-2-x-x-tutorial/47999 "2026-03-02T22:10:55Z")

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Hi all, I’m looking for a tutorial which illustrates the structural changes from p5 1.x.x to p5 2.x.x. I’m talking about font loading, image loading, how preload() has gone, async issues, the new improved async-ness of …

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## [JavaFX MeshView Cube with Images](https://discourse.processing.org/t/javafx-meshview-cube-with-images/48010)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 1\
**Last updated:** [March 2, 2026, 6:46pm UTC](https://discourse.processing.org/t/javafx-meshview-cube-with-images/48010 "2026-03-02T18:46:16Z")

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The following source code demonstrates JavaFX MeshView for 3D graphics by creating a cube with different images on its faces in the default Processing FX2D window. An underlying TriangleMesh is used. It was designed on…

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## [Fluid fun with py5 and NumPy](https://discourse.processing.org/t/fluid-fun-with-py5-and-numpy/47943)

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**Author:** [@mcintyre](https://discourse.processing.org/u/mcintyre)\
**Replies:** 5\
**Last updated:** [March 1, 2026, 4:26pm UTC](https://discourse.processing.org/t/fluid-fun-with-py5-and-numpy/47943 "2026-03-01T16:26:51Z")

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Hello! I felt like sketching this afternoon, so I dusted off my old implementation of Stam’s Real-Time Fluid Dynamics for Games. The original version used pygame and NumPy – turns out porting it to py5 was straightforwa…

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## [TypeError when accessing an Image?](https://discourse.processing.org/t/typeerror-when-accessing-an-image/47990)

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**Author:** [@StormmInABottle](https://discourse.processing.org/u/StormmInABottle)\
**Replies:** 1\
**Last updated:** [February 27, 2026, 8:15pm UTC](https://discourse.processing.org/t/typeerror-when-accessing-an-image/47990 "2026-02-27T20:15:29Z")

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I’m new to learning p5.js and I’m following a video right now. I’m trying to import an image but for some reason I keep getting TypeErrors: Uncaught (in promise) TypeError: Cannot read properties of undefined (reading ‘w…

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## [MultiImages From Single File](https://discourse.processing.org/t/multiimages-from-single-file/47851)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 5\
**Last updated:** [February 27, 2026, 3:44pm UTC](https://discourse.processing.org/t/multiimages-from-single-file/47851 "2026-02-27T15:44:14Z")

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The following source code will display individual images from a single .png file containing a grid of images. This obviates the need to include multiple image files in the sketch folder. This demo was developed in MacO…

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## [Building Processing with VSCode Error and Fix](https://discourse.processing.org/t/building-processing-with-vscode-error-and-fix/47921)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 1\
**Last updated:** [February 26, 2026, 7:43am UTC](https://discourse.processing.org/t/building-processing-with-vscode-error-and-fix/47921 "2026-02-26T07:43:05Z")

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Hello folks! I was building Processing with VSCode as per: processing4/BUILD.md at main · processing/processing4 · GitHub I had this issue: \> Dependency resolution is looking for a library compatible with JVM runtime…

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## [ControlP5 in py5](https://discourse.processing.org/t/controlp5-in-py5/45799)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 13\
**Last updated:** [February 26, 2026, 12:59am UTC](https://discourse.processing.org/t/controlp5-in-py5/45799 "2026-02-26T00:59:11Z")

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The following source code demonstrates using cp5 controls in py5. This demo may be run in a Thonny editor using ‘Imported mode for py5’. In addition, the controlP5.jar must be in a folder entitled ‘jars’ in the py5 sket…

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## [Playing Local Files With VLCJVideo Library](https://discourse.processing.org/t/playing-local-files-with-vlcjvideo-library/47949)

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**Author:** [@Eureka](https://discourse.processing.org/u/Eureka)\
**Replies:** 2\
**Last updated:** [February 24, 2026, 10:41am UTC](https://discourse.processing.org/t/playing-local-files-with-vlcjvideo-library/47949 "2026-02-24T10:41:45Z")

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Hi, Hopefully somebody knows about this. I want to use the VLCJ library to play video on the vlcj website it says it can stream video or play it from a local source. I have installed the library but all of the example ar…

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## [What's a better way to write my code so I don't keep getting null pointer exceptions](https://discourse.processing.org/t/whats-a-better-way-to-write-my-code-so-i-dont-keep-getting-null-pointer-exceptions/47958)

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**Author:** [@Thorstrum](https://discourse.processing.org/u/Thorstrum)\
**Replies:** 1\
**Last updated:** [February 24, 2026, 5:42am UTC](https://discourse.processing.org/t/whats-a-better-way-to-write-my-code-so-i-dont-keep-getting-null-pointer-exceptions/47958 "2026-02-24T05:42:26Z")

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import processing.sound.\*; Amplitude amp; AudioIn in; PImage photo, maskImage; void setup() { size(600, 400); background(255); // Create an Input stream which is routed into the Amplitude analyzer amp = new Ampli…

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## [Help Improve the p5.js Reference Pages | Quick Community Survey 🎨](https://discourse.processing.org/t/help-improve-the-p5-js-reference-pages-quick-community-survey/47951)

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**Author:** [@Ritiupadhyay](https://discourse.processing.org/u/Ritiupadhyay)\
**Replies:** 1\
**Last updated:** [February 23, 2026, 6:30pm UTC](https://discourse.processing.org/t/help-improve-the-p5-js-reference-pages-quick-community-survey/47951 "2026-02-23T18:30:04Z")

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Calling all p5.js users! We’re University of Washington MS HCDE students partnering with the p5.js team on a usability research project, and we’d love your help! We’re exploring how people actually use the p5.js refere…

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## [How to know if a variable is a color?](https://discourse.processing.org/t/how-to-know-if-a-variable-is-a-color/47945)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 2\
**Last updated:** [February 23, 2026, 12:20pm UTC](https://discourse.processing.org/t/how-to-know-if-a-variable-is-a-color/47945 "2026-02-23T12:20:33Z")

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(Another funny question) :upside\_down\_face: if let c=color(15,20,56) typeof c : object and c.constructor.name : nothing !!! Help! How can I check that it is indeed a color ??? This code doesn’t work obviously with…

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## [Can't find Processing after installing](https://discourse.processing.org/t/cant-find-processing-after-installing/47933)

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**Author:** [@quicksinger21](https://discourse.processing.org/u/quicksinger21)\
**Replies:** 3\
**Last updated:** [February 22, 2026, 4:28pm UTC](https://discourse.processing.org/t/cant-find-processing-after-installing/47933 "2026-02-22T16:28:10Z")

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so, I’m trying to download processing on my computer, just to do some projects and stuff, when I download, the instiller works and I click finish, but I cant find where the instiller downloaded the exe to. can someone he…

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## [Modifier une cintreuse](https://discourse.processing.org/t/modifier-une-cintreuse/47923)

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**Author:** [@CONTY](https://discourse.processing.org/u/CONTY)\
**Replies:** 4\
**Last updated:** [February 22, 2026, 4:05pm UTC](https://discourse.processing.org/t/modifier-une-cintreuse/47923 "2026-02-22T16:05:17Z")

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Un bloc controllino pilote les électrovannes d’une cinteuse BLM B40-D Processing est installé sur un Pc tactile (DELL Inspiron one) afin de piloter ce Contollino. Le but du programme est de gérer des fichiers, ces fic…

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## [Graphics backend in Metal for MacOS](https://discourse.processing.org/t/graphics-backend-in-metal-for-macos/47918)

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**Author:** [@guymadison](https://discourse.processing.org/u/guymadison)\
**Replies:** 3\
**Last updated:** [February 20, 2026, 10:46pm UTC](https://discourse.processing.org/t/graphics-backend-in-metal-for-macos/47918 "2026-02-20T22:46:03Z")

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I have been working on a 2D graphics library following the same API used in processing, its in Metal as OpenGL has been deprecated on MacOS for years. I don’t know if there is any interest in integrating this into the m…

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## [Trying to understand how to make this kinetic type grid](https://discourse.processing.org/t/trying-to-understand-how-to-make-this-kinetic-type-grid/47916)

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**Author:** [@Elise0605](https://discourse.processing.org/u/Elise0605)\
**Replies:** 1\
**Last updated:** [February 20, 2026, 6:48pm UTC](https://discourse.processing.org/t/trying-to-understand-how-to-make-this-kinetic-type-grid/47916 "2026-02-20T18:48:16Z")

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Hello! I am pretty new to processing, but I have some coding experience and some motion experience. I am desperately trying to make something like this: https://www.pinterest.com/pin/3588874698075965/ But I can only fin…

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## [mouseClicked(), mousePressed()... keyPressed(), keyReleased()... are they parallel?](https://discourse.processing.org/t/mouseclicked-mousepressed-keypressed-keyreleased-are-they-parallel/47898)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 9\
**Last updated:** [February 20, 2026, 8:14am UTC](https://discourse.processing.org/t/mouseclicked-mousepressed-keypressed-keyreleased-are-they-parallel/47898 "2026-02-20T08:14:00Z")

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Hello, My question is When are theses functions processed / what is in draw() ? (is it the same thing in Processing ?) Is there some sort of parallelism (multiple threads) or not ? (I guess not) I wonder ! thank you …

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