# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?no_subcategories=false&page=2

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

**Page:** 3

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## [Is there a way to chain effects in Processing sound library?](https://discourse.processing.org/t/is-there-a-way-to-chain-effects-in-processing-sound-library/48337)

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**Author:** [@Txo](https://discourse.processing.org/u/Txo)\
**Replies:** 4\
**Last updated:** [March 31, 2026, 9:41am UTC](https://discourse.processing.org/t/is-there-a-way-to-chain-effects-in-processing-sound-library/48337 "2026-03-31T09:41:49Z")

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I was trying to chain some effects with the Processing sound library but couldn’t do it in any way. I neither find any documentation about this. If you try to apply then directly to the source it only applies the last on…

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## [P3DE (Processing 3D Editor) with Script Engine & Terminal & Blueprint](https://discourse.processing.org/t/p3de-processing-3d-editor-with-script-engine-terminal-blueprint/48292)

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**Author:** [@fddxsyf123](https://discourse.processing.org/u/fddxsyf123)\
**Replies:** 1\
**Last updated:** [March 26, 2026, 6:40pm UTC](https://discourse.processing.org/t/p3de-processing-3d-editor-with-script-engine-terminal-blueprint/48292 "2026-03-26T18:40:37Z")

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Hello everyone! I’m very excited to share my research project, and I hope it can serve as a useful reference for all of you. Using Processing’s native framework, I built a 3D scene editor. It features a functional UI, b…

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## [How move the penguin without the arms flying off?](https://discourse.processing.org/t/how-move-the-penguin-without-the-arms-flying-off/48065)

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**Author:** [@False](https://discourse.processing.org/u/False)\
**Replies:** 2\
**Last updated:** [March 24, 2026, 8:02am UTC](https://discourse.processing.org/t/how-move-the-penguin-without-the-arms-flying-off/48065 "2026-03-24T08:02:52Z")

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‘’‘processing’‘’ //position float xorigin, yorigin; //origin position float xPos, yPos; //penguin position //wing animation float wingangle; float wingspeed; float upperwinglimit; float lowerwinglimit; boolean…

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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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## [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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## [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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## [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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## [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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## [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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## [I need a code for a radar](https://discourse.processing.org/t/i-need-a-code-for-a-radar/47892)

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**Author:** [@theradarguy](https://discourse.processing.org/u/theradarguy)\
**Replies:** 2\
**Last updated:** [February 19, 2026, 10:43pm UTC](https://discourse.processing.org/t/i-need-a-code-for-a-radar/47892 "2026-02-19T22:43:17Z")

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i need code for a radar that makes it into a stl 3d item that downloads once i hit a button it downloads it the port is /dev/cu.usbmodem4827E2E111D02 my arduino code prints out the distance and its constantly rotating a …

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## [Does TheMidibus Library work in Processing 4?](https://discourse.processing.org/t/does-themidibus-library-work-in-processing-4/31851)

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**Author:** [@justin\_lincoln](https://discourse.processing.org/u/justin_lincoln)\
**Replies:** 26\
**Last updated:** [February 17, 2026, 4:56pm UTC](https://discourse.processing.org/t/does-themidibus-library-work-in-processing-4/31851 "2026-02-17T16:56:15Z")

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Has anyone gotten the midibus library to work with the new Processing 4.0 release? Any of my old code with that library recognizes available midi devices but then throws a NullPointer Exception every time. Works fine in …

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## [Custom location for preferences.txt not working with Processing 4.5.2](https://discourse.processing.org/t/custom-location-for-preferences-txt-not-working-with-processing-4-5-2/47872)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 3\
**Last updated:** [February 17, 2026, 2:42pm UTC](https://discourse.processing.org/t/custom-location-for-preferences-txt-not-working-with-processing-4-5-2/47872 "2026-02-17T14:42:59Z")

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Hello, See here for context: This no longer works with Processing 4.5.2. Processing 4.5.2 behavior on Windows 10: Create a settings.txt and save it in the correct lib folder. Launching Processing 4.5.2 creates a p…

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## [Why do I at occasion see //\<\>// in the editor?](https://discourse.processing.org/t/why-do-i-at-occasion-see-in-the-editor/47870)

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**Author:** [@sterretje](https://discourse.processing.org/u/sterretje)\
**Replies:** 2\
**Last updated:** [February 13, 2026, 8:13am UTC](https://discourse.processing.org/t/why-do-i-at-occasion-see-in-the-editor/47870 "2026-02-13T08:13:22Z")

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At occasion I see //\<\>// in the Processing editor. Usually it is at the top of the main pde file but I now did find it in the middle of another file as well. I’m sure I did not put it in there. What is the purpose? I di…

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## [Umlaute is an Invalid character constant?](https://discourse.processing.org/t/umlaute-is-an-invalid-character-constant/47857)

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**Author:** [@u.strautz](https://discourse.processing.org/u/u.strautz)\
**Replies:** 6\
**Last updated:** [February 11, 2026, 2:14am UTC](https://discourse.processing.org/t/umlaute-is-an-invalid-character-constant/47857 "2026-02-11T02:14:40Z")

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I am checking if there are some Umlaute in my text. The error message is “Invalid character constant” \`\`\` if (text.charAt(0) == 'ä') println("Hallo"); \`\`\` The same happens IMHO with every char above #127. This only hap…

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## [P2D / P3D doesn't work on a M1 Mac Studio](https://discourse.processing.org/t/p2d-p3d-doesnt-work-on-a-m1-mac-studio/47849)

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**Author:** [@MickaelLafontaine777](https://discourse.processing.org/u/MickaelLafontaine777)\
**Replies:** 5\
**Last updated:** [February 9, 2026, 5:10pm UTC](https://discourse.processing.org/t/p2d-p3d-doesnt-work-on-a-m1-mac-studio/47849 "2026-02-09T17:10:04Z")

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Hello I get a error when I execute any code with P2D or P3D on my new mac studio. The console is laconic : “could not run the sketch"“. It seems to be a problem with the metal renderer. Here is my configuration : Max …

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## [New versions of Processing Libraries Camera3D and ColorBlindness released](https://discourse.processing.org/t/new-versions-of-processing-libraries-camera3d-and-colorblindness-released/47858)

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**Author:** [@hx2A](https://discourse.processing.org/u/hx2A)\
**Replies:** 1\
**Last updated:** [February 9, 2026, 1:23pm UTC](https://discourse.processing.org/t/new-versions-of-processing-libraries-camera3d-and-colorblindness-released/47858 "2026-02-09T13:23:23Z")

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After many years of no activity I have released new versions of the Camera3D and ColorBlindness libraries for Processing. I suspect that both libraries are no longer used by the Processing community because much of the f…

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## [Drawing a heart](https://discourse.processing.org/t/drawing-a-heart/8608)

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**Author:** [@Unstavle](https://discourse.processing.org/u/Unstavle)\
**Replies:** 12\
**Last updated:** [February 8, 2026, 8:16am UTC](https://discourse.processing.org/t/drawing-a-heart/8608 "2026-02-08T08:16:55Z")

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Is it possible to draw a heart shape using the ellipse command and setting the diameter to a function of x?

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## [How do I get the circle head behind the pages to look like the second photo](https://discourse.processing.org/t/how-do-i-get-the-circle-head-behind-the-pages-to-look-like-the-second-photo/47840)

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**Author:** [@pam](https://discourse.processing.org/u/pam)\
**Replies:** 8\
**Last updated:** [February 4, 2026, 1:41am UTC](https://discourse.processing.org/t/how-do-i-get-the-circle-head-behind-the-pages-to-look-like-the-second-photo/47840 "2026-02-04T01:41:03Z")

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## [Aliasing issue Processing 4](https://discourse.processing.org/t/aliasing-issue-processing-4/47785)

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**Author:** [@Chriz96](https://discourse.processing.org/u/Chriz96)\
**Replies:** 7\
**Last updated:** [January 27, 2026, 4:14pm UTC](https://discourse.processing.org/t/aliasing-issue-processing-4/47785 "2026-01-27T16:14:37Z")

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Hi, ever since Procesing 4 was launched I’ve been having this aliasing issue. Everything from the splashscreen, the UI and the sketch window looks jaggy. Is there a way to make everything look sharper? I’m working on a W…

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## [IPC shared memory](https://discourse.processing.org/t/ipc-shared-memory/47791)

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**Author:** [@potato](https://discourse.processing.org/u/potato)\
**Replies:** 3\
**Last updated:** [January 27, 2026, 9:01am UTC](https://discourse.processing.org/t/ipc-shared-memory/47791 "2026-01-27T09:01:35Z")

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Was looking for IPC shared memory examples for processing but didnt find any. Anyone used shared memory in processing or have a guide/ example for it? Thanks

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## [Two G4P GPanel questions (setTextAlign and resize)](https://discourse.processing.org/t/two-g4p-gpanel-questions-settextalign-and-resize/47797)

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**Author:** [@sterretje](https://discourse.processing.org/u/sterretje)\
**Replies:** 2\
**Last updated:** [January 25, 2026, 7:27pm UTC](https://discourse.processing.org/t/two-g4p-gpanel-questions-settextalign-and-resize/47797 "2026-01-25T19:27:11Z")

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I have two questions about the GPanel one According to the G4p reference GPanel is derived from GTextBase. The GTextBase class has a method setTextAlign but that does not seem to give the desired effect. I would like to…

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## [How to make a program windowless/frameless?](https://discourse.processing.org/t/how-to-make-a-program-windowless-frameless/22321)

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**Author:** [@qewer3322](https://discourse.processing.org/u/qewer3322)\
**Replies:** 12\
**Last updated:** [January 25, 2026, 2:32am UTC](https://discourse.processing.org/t/how-to-make-a-program-windowless-frameless/22321 "2026-01-25T02:32:35Z")

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So lets say I have this; void setup(){ size(200, 200); surface.setAlwaysOnTop(true); } void draw(){ fill(255); textSize(35); text("Hello",50,75); } How can I get rid of the window frame and the background be…

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## [Making a program without a window border (and no background, just the shape)](https://discourse.processing.org/t/making-a-program-without-a-window-border-and-no-background-just-the-shape/41260)

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**Author:** [@ctremblay](https://discourse.processing.org/u/ctremblay)\
**Replies:** 18\
**Last updated:** [January 25, 2026, 2:31am UTC](https://discourse.processing.org/t/making-a-program-without-a-window-border-and-no-background-just-the-shape/41260 "2026-01-25T02:31:05Z")

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ok, I was wondering if there a way to make a program using processing let say I’m making a stick figure, but I want the figure to appear on my screen instead of in the display box. what usually happens what i want t…

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## [Copying a PShape?](https://discourse.processing.org/t/copying-a-pshape/1081)

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**Author:** [@Carmine](https://discourse.processing.org/u/Carmine)\
**Replies:** 13\
**Last updated:** [January 18, 2026, 10:09pm UTC](https://discourse.processing.org/t/copying-a-pshape/1081 "2026-01-18T22:09:20Z")

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If I want to have several of the same 3D model (.obj file loaded), is there a way to to load it once and then copy that PShape. I want to avoid several calls to loadFile. -Carmine

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