# Latest

**URL:** https://discourse.processing.org/latest.md?page=16

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

**Page:** 17

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## [Unable to save my work](https://discourse.processing.org/t/unable-to-save-my-work/47066)

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**Author:** [@Felky](https://discourse.processing.org/u/Felky)\
**Replies:** 6\
**Last updated:** [September 3, 2025, 2:30pm UTC](https://discourse.processing.org/t/unable-to-save-my-work/47066 "2025-09-03T14:30:55Z")

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(The text at the top translates to “Save sketch at…” .) Hello I´m new to processing. For some reason every time I try to save my work I get a black window. I switched from Windows 11 to Linux Fedora KDE. Processing w…

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## [Issue with Chrome and Edge Browsers not displaying sketches](https://discourse.processing.org/t/issue-with-chrome-and-edge-browsers-not-displaying-sketches/27587)

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**Author:** [@GeorgeRoland](https://discourse.processing.org/u/GeorgeRoland)\
**Replies:** 3\
**Last updated:** [September 2, 2025, 11:43am UTC](https://discourse.processing.org/t/issue-with-chrome-and-edge-browsers-not-displaying-sketches/27587 "2025-09-02T11:43:43Z")

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My sketches will not play in Chrome or Edge. I get a blank white screen. I found that if I remove the reference to “p5.sound.min.js” that is included in the HTML file P5 creates, these sketches load and play fine in Chro…

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## [Processing 4.4.4 on Ubuntu 22.04 can’t access tty ports](https://discourse.processing.org/t/processing-4-4-4-on-ubuntu-22-04-can-t-access-tty-ports/47018)

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**Author:** [@PyM72](https://discourse.processing.org/u/PyM72)\
**Replies:** 10\
**Last updated:** [September 1, 2025, 8:07am UTC](https://discourse.processing.org/t/processing-4-4-4-on-ubuntu-22-04-can-t-access-tty-ports/47018 "2025-09-01T08:07:16Z")

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Hello all, I was using processing 4.3 on my Ubutun 22.4. This is a standalone installing fron a tarball. I tried to install with SnapD, the latest release 4.4 and as for now I’m not able to use the tool for the same co…

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## [Using OpenProcessing](https://discourse.processing.org/t/using-openprocessing/47055)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 6\
**Last updated:** [August 31, 2025, 9:18am UTC](https://discourse.processing.org/t/using-openprocessing/47055 "2025-08-31T09:18:53Z")

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If you use OpenProcessing I am hoping you can answer some questions for me … Is there a forum or contact to get support using OP? Anyone know how to get OP to use web workers? Is it possible to specify a p5js version …

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## [Repeatedly read a JSON file, refreshing sketch each time](https://discourse.processing.org/t/repeatedly-read-a-json-file-refreshing-sketch-each-time/47053)

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**Author:** [@noahhsmith](https://discourse.processing.org/u/noahhsmith)\
**Replies:** 5\
**Last updated:** [August 31, 2025, 12:35pm UTC](https://discourse.processing.org/t/repeatedly-read-a-json-file-refreshing-sketch-each-time/47053 "2025-08-31T12:35:06Z")

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Hi everyone, the ‘reading json example’ JSON is very close to what am needing. If could ‘loop’ this to repeatedly read json and refresh sketch, should have everything needed. Are there examples of such a ‘looping’ skelet…

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## [New py5 release 0.10.7a0!](https://discourse.processing.org/t/new-py5-release-0-10-7a0/47054)

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**Author:** [@hx2A](https://discourse.processing.org/u/hx2A)\
**Replies:** 0\
**Last updated:** [August 30, 2025, 3:38pm UTC](https://discourse.processing.org/t/new-py5-release-0-10-7a0/47054 "2025-08-30T15:38:52Z")

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This release includes the following version updates: Minimum Python version is now 3.10 (previously 3.9) JPype minimum version is now 1.6 (previously 1.5.2) numpy minimum version is now 2.2 (previously 1.26) A…

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## [How to launch the operating system’s default browser at a given URL?](https://discourse.processing.org/t/how-to-launch-the-operating-system-s-default-browser-at-a-given-url/47043)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 2\
**Last updated:** [August 30, 2025, 1:19am UTC](https://discourse.processing.org/t/how-to-launch-the-operating-system-s-default-browser-at-a-given-url/47043 "2025-08-30T01:19:57Z")

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It is complementary to the previous request with Windows for the majority but also with Linux for the minority of whom I am part

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## [Proposal to add a dayOfWeek() function to Processing](https://discourse.processing.org/t/proposal-to-add-a-dayofweek-function-to-processing/47016)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 6\
**Last updated:** [August 29, 2025, 9:17am UTC](https://discourse.processing.org/t/proposal-to-add-a-dayofweek-function-to-processing/47016 "2025-08-29T09:17:22Z")

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import java.util.Calendar; import java.util.GregorianCalendar; int dayOfWeek() { // : 0 to 6, 0 is Sunday Calendar cal = new GregorianCalendar(); int DAY\_OF\_WEEK=cal.get(cal.DAY\_OF\_WEEK); return DAY\_OF\_WEEK-1; }

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## [Using launch() to start chrome.exe](https://discourse.processing.org/t/using-launch-to-start-chrome-exe/44765)

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**Author:** [@jorgensen](https://discourse.processing.org/u/jorgensen)\
**Replies:** 6\
**Last updated:** [August 28, 2025, 4:14am UTC](https://discourse.processing.org/t/using-launch-to-start-chrome-exe/44765 "2025-08-28T04:14:15Z")

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I’m trying to launch chrome.exe via launch(); It works fine if I just want to start chrome.exe. My issue is that I can’t figure out how to pass an url to chrome.exe. If I start chrome via command shell with an url it w…

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## [Not the same result with version 4.4.1 and 4.4.6 using "copy" function with PGraphics into PImage](https://discourse.processing.org/t/not-the-same-result-with-version-4-4-1-and-4-4-6-using-copy-function-with-pgraphics-into-pimage/47024)

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**Author:** [@fredciel](https://discourse.processing.org/u/fredciel)\
**Replies:** 5\
**Last updated:** [August 28, 2025, 9:35am UTC](https://discourse.processing.org/t/not-the-same-result-with-version-4-4-1-and-4-4-6-using-copy-function-with-pgraphics-into-pimage/47024 "2025-08-28T09:35:03Z")

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Hello, here’s a piece of code that doesn’t give the same result in versions 4.4.1 and 4.4.6. The result is normal in 4.4.1, and the entire image is copied into the “Preview” variable. With version 4.4.6, only the top-…

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## [Trouble exporting P3D via PGraphics recording (OpenGL error 1282) \[SOLVED?\]](https://discourse.processing.org/t/trouble-exporting-p3d-via-pgraphics-recording-opengl-error-1282-solved/47033)

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**Author:** [@villares](https://discourse.processing.org/u/villares)\
**Replies:** 3\
**Last updated:** [August 27, 2025, 10:00pm UTC](https://discourse.processing.org/t/trouble-exporting-p3d-via-pgraphics-recording-opengl-error-1282-solved/47033 "2025-08-27T22:00:27Z")

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Something I often do to export higher resolution images is to instantiate a big PGraphics object and then use beginRecord, endRecord and add scaling to the offscreen canvas. It still works fine for 2D, but it seems like …

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## [Interested in a library for terminal-style text?](https://discourse.processing.org/t/interested-in-a-library-for-terminal-style-text/47007)

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**Author:** [@joshg](https://discourse.processing.org/u/joshg)\
**Replies:** 9\
**Last updated:** [August 27, 2025, 5:11am UTC](https://discourse.processing.org/t/interested-in-a-library-for-terminal-style-text/47007 "2025-08-27T05:11:38Z")

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I’m writing up a set of classes that create an in-sketch text box in the style of a monospaced terminal with color support. Would anyone be interested in this as a standalone Processing library? Usage would look like th…

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## [The py5 category would benefit from details](https://discourse.processing.org/t/the-py5-category-would-benefit-from-details/46615)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 9\
**Last updated:** [August 27, 2025, 2:23am UTC](https://discourse.processing.org/t/the-py5-category-would-benefit-from-details/46615 "2025-08-27T02:23:22Z")

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Hello, The py5 category would benefit from more details in the pinned post at the top. It is actively maintained: Something pointing to the resources available for this: The other Python categories should have some…

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## [Proposal to add a dayOfWeek() function to P5js](https://discourse.processing.org/t/proposal-to-add-a-dayofweek-function-to-p5js/47017)

<div class="topic-metadata">

**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 1\
**Last updated:** [August 25, 2025, 1:19pm UTC](https://discourse.processing.org/t/proposal-to-add-a-dayofweek-function-to-p5js/47017 "2025-08-25T13:19:11Z")

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const dayOfWeekDigit = new Date().getDay(); function dayOfWeek() { // : int, : 0 to 6, 0 is Sunday return dayOfWeekDigit; }

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## [Performance differences with POINTS between 1.11 and 2.0](https://discourse.processing.org/t/performance-differences-with-points-between-1-11-and-2-0/46959)

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**Author:** [@hx2A](https://discourse.processing.org/u/hx2A)\
**Replies:** 9\
**Last updated:** [August 25, 2025, 6:02am UTC](https://discourse.processing.org/t/performance-differences-with-points-between-1-11-and-2-0/46959 "2025-08-25T06:02:06Z")

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I have some questions about performance differences for POINTS shapes and related POINTS questions. Compared to 1.11, the below code is much slower in p5.js 2.0. The goal is to draw 50K points with WEBGL. (I am drawing …

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## [Version of Python used in Python Mode](https://discourse.processing.org/t/version-of-python-used-in-python-mode/10254)

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**Author:** [@lnp](https://discourse.processing.org/u/lnp)\
**Replies:** 13\
**Last updated:** [August 25, 2025, 4:07am UTC](https://discourse.processing.org/t/version-of-python-used-in-python-mode/10254 "2025-08-25T04:07:23Z")

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Hello wonderful discussion board! Having a hellish time trying to install external modules and then importing in Processing Python mode. Running up against “ImportError: No Module named twitter found”. My system python…

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## [Python/Py5Editor](https://discourse.processing.org/t/python-py5editor/46990)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 8\
**Last updated:** [August 24, 2025, 8:55pm UTC](https://discourse.processing.org/t/python-py5editor/46990 "2025-08-24T20:55:12Z")

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The following source code will create an entry level Python/Py5 Editor which will run on all three platforms (initially developed for MacOS). It was written using Swing components with RSyntaxTextArea used for syntax hig…

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## [Vibe code Computational Self-Assembly](https://discourse.processing.org/t/vibe-code-computational-self-assembly/47015)

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**Author:** [@seanc4s](https://discourse.processing.org/u/seanc4s)\
**Replies:** 0\
**Last updated:** [August 24, 2025, 12:27am UTC](https://discourse.processing.org/t/vibe-code-computational-self-assembly/47015 "2025-08-24T00:27:57Z")

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Vibing with GPT5 to show computational self-assembly using it looks like Wang Tiles. https://editor.p5js.org/seanhaddps/sketches/R8b7zYZZc

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## [Extreme Learning Machine P5](https://discourse.processing.org/t/extreme-learning-machine-p5/47009)

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**Author:** [@seanc4s](https://discourse.processing.org/u/seanc4s)\
**Replies:** 0\
**Last updated:** [August 23, 2025, 4:16am UTC](https://discourse.processing.org/t/extreme-learning-machine-p5/47009 "2025-08-23T04:16:07Z")

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You can experiment with an Extreme Learning Machine here: https://editor.p5js.org/seanhaddps/full/ustNtD-Ek Code: https://editor.p5js.org/seanhaddps/sketches/ustNtD-Ek ELMs are neural networks with a random layer+non…

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## [My regular expression is not working](https://discourse.processing.org/t/my-regular-expression-is-not-working/47004)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 2\
**Last updated:** [August 21, 2025, 10:07pm UTC](https://discourse.processing.org/t/my-regular-expression-is-not-working/47004 "2025-08-21T22:07:13Z")

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I am trying to parse this string to find attribute assignments \<body width="500" linegap="2" paragap="8" align="justify" font="courier new"\>' An attribute assignment is of the format name="value" where the format is …

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## [Dynamic Image Pixel Modulation](https://discourse.processing.org/t/dynamic-image-pixel-modulation/46987)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 0\
**Last updated:** [August 19, 2025, 4:38pm UTC](https://discourse.processing.org/t/dynamic-image-pixel-modulation/46987 "2025-08-19T16:38:46Z")

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Hello folks! Inspired by: Using Pixels\[\] Array over Points • trying to move Pixels(XY) off screen like Points // Dynamic Image Pixel Modulation // v1.0.1 // GLV 2025-8-19 // // Inspired by topic: // https://discour…

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## [Title: Reference links show sidebar but blank main panel on macOS Ventura (Chrome)](https://discourse.processing.org/t/title-reference-links-show-sidebar-but-blank-main-panel-on-macos-ventura-chrome/46977)

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**Author:** [@poppanona](https://discourse.processing.org/u/poppanona)\
**Replies:** 0\
**Last updated:** [August 18, 2025, 9:23pm UTC](https://discourse.processing.org/t/title-reference-links-show-sidebar-but-blank-main-panel-on-macos-ventura-chrome/46977 "2025-08-18T21:23:53Z")

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Title: Reference links show sidebar but blank main panel on macOS Ventura (Chrome) System: MacBook (Intel) running macOS Ventura 13.7.6 Chrome browser (latest) Processing 4 (issue occurs with both previous buil…

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## [Need help with text position (solved)](https://discourse.processing.org/t/need-help-with-text-position-solved/46756)

<div class="topic-metadata">

**Author:** [@Meteor122](https://discourse.processing.org/u/Meteor122)\
**Replies:** 11\
**Last updated:** [August 18, 2025, 7:58pm UTC](https://discourse.processing.org/t/need-help-with-text-position-solved/46756 "2025-08-18T19:58:26Z")

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Hi everyone, I’m creating the GUI for a ground station for a rocket I’m building with Arduino, or rather, chatGPT did it for me since I have no experience with processing and don’t have the time to learn it, so I’ll s…

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## [Petition : Oracle, it’s time to free JavaScript](https://discourse.processing.org/t/petition-oracle-it-s-time-to-free-javascript/46954)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 0\
**Last updated:** [August 17, 2025, 12:24pm UTC](https://discourse.processing.org/t/petition-oracle-it-s-time-to-free-javascript/46954 "2025-08-17T12:24:29Z")

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The link that explains everything

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## [Android Processing Emulator Not Working](https://discourse.processing.org/t/android-processing-emulator-not-working/26633)

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**Author:** [@SNICKRS](https://discourse.processing.org/u/SNICKRS)\
**Replies:** 4\
**Last updated:** [July 29, 2025, 6:53pm UTC](https://discourse.processing.org/t/android-processing-emulator-not-working/26633 "2025-07-29T18:53:22Z")

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Hello, I am trying to test my android projects with the processing android emulator, but it isn’t working. This is the error I’m getting: Emulator process exited with status 1. EmulatorController: Emulator never booted…

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## [Pixel effect, how do you create this effect](https://discourse.processing.org/t/pixel-effect-how-do-you-create-this-effect/46929)

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**Author:** [@1029](https://discourse.processing.org/u/1029)\
**Replies:** 11\
**Last updated:** [August 16, 2025, 3:33pm UTC](https://discourse.processing.org/t/pixel-effect-how-do-you-create-this-effect/46929 "2025-08-16T15:33:27Z")

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Does anyone know if we could apply this effect? https://typedither.vercel.app/ Thanks!

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## [Error : "n is not a function"](https://discourse.processing.org/t/error-n-is-not-a-function/46936)

<div class="topic-metadata">

**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 5\
**Last updated:** [August 16, 2025, 11:59am UTC](https://discourse.processing.org/t/error-n-is-not-a-function/46936 "2025-08-16T11:59:01Z")

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Hello, I’ve translated in P5js with Gemini IA a big sketch written in Java to test if it was possible. It almost works with some modifications. But I still have an error : “Uncaught type error : n is not a function (p…

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## [Let or nothing?](https://discourse.processing.org/t/let-or-nothing/46937)

<div class="topic-metadata">

**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 4\
**Last updated:** [August 16, 2025, 10:20am UTC](https://discourse.processing.org/t/let-or-nothing/46937 "2025-08-16T10:20:32Z")

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Hello, If I create a new variable, I ‘m going to write let thing = 5; for example. But if I write thing = 5; (while I haven’t already created a variable ‘thing’) that works too! is there a difference? …

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## [List of system variables](https://discourse.processing.org/t/list-of-system-variables/46924)

<div class="topic-metadata">

**Author:** [@jdiodato](https://discourse.processing.org/u/jdiodato)\
**Replies:** 1\
**Last updated:** [August 14, 2025, 6:20am UTC](https://discourse.processing.org/t/list-of-system-variables/46924 "2025-08-14T06:20:39Z")

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Does anyone know if there’s a list of system variables somewhere in the p5 docs? I found this page in the docs that goes over mouseX and mouseY, but the AI overview from a quick Google search also pulls up a ton of other…

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## [Swing JFrameComponents With Default AWTCanvas](https://discourse.processing.org/t/swing-jframecomponents-with-default-awtcanvas/42191)

<div class="topic-metadata">

**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 3\
**Last updated:** [August 13, 2025, 3:11pm UTC](https://discourse.processing.org/t/swing-jframecomponents-with-default-awtcanvas/42191 "2025-08-13T15:11:20Z")

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The following code allows the use of Swing JFrame components with the default AWT canvas. This combination allows us to use the normal draw() function for drawing with Processing calls instead of painting into a JPanel …

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