# Latest

**URL:** https://discourse.processing.org/latest.md?page=23

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

**Page:** 24

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## [How to use swing components with Processing (3.3.6)](https://discourse.processing.org/t/how-to-use-swing-components-with-processing-3-3-6/36219)

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**Author:** [@NumericPrime](https://discourse.processing.org/u/NumericPrime)\
**Replies:** 8\
**Last updated:** [April 23, 2025, 9:00am UTC](https://discourse.processing.org/t/how-to-use-swing-components-with-processing-3-3-6/36219 "2025-04-23T09:00:28Z")

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I tried to add swing components to my projects for a long time as you can easily construct user interfaces with swing and use them to manipulate my program. After a long time I managed to combine the two. Here is a examp…

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## [OBJ: Disabling MTL and Applying Custom Colors](https://discourse.processing.org/t/obj-disabling-mtl-and-applying-custom-colors/46265)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 12\
**Last updated:** [April 21, 2025, 9:08am UTC](https://discourse.processing.org/t/obj-disabling-mtl-and-applying-custom-colors/46265 "2025-04-21T09:08:45Z")

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I have a similar problem, mtl looks like this: # Blender MTL File: 'Aa.blend' # Material Count: 1 newmtl Material.001 Ns 225.000000 Ka 0.680556 0.680556 0.680556 Kd 0.800000 0.046634 0.034524 Ks 0.527778 0.527778 0.527…

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## [Load a mlt and obj](https://discourse.processing.org/t/load-a-mlt-and-obj/5222)

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**Author:** [@MarsatAE](https://discourse.processing.org/u/MarsatAE)\
**Replies:** 9\
**Last updated:** [November 29, 2018, 9:57am UTC](https://discourse.processing.org/t/load-a-mlt-and-obj/5222 "2018-11-29T09:57:46Z")

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Hi My name is Vincent and i’m trying to build a software that can simply display a 3D that i make with Cinema4D. The problem i have is: i cannot load the Mtl with my obj. Here is the code : import java.io.FileOutput…

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## [Draw Shapes on the Screen directly without a proper window](https://discourse.processing.org/t/draw-shapes-on-the-screen-directly-without-a-proper-window/46215)

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**Author:** [@NumericPrime](https://discourse.processing.org/u/NumericPrime)\
**Replies:** 36\
**Last updated:** [April 20, 2025, 4:16pm UTC](https://discourse.processing.org/t/draw-shapes-on-the-screen-directly-without-a-proper-window/46215 "2025-04-20T16:16:08Z")

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I recently revisited an old piece of code I wrote as a answer on this forum to allow an overlay onto another program. However this code didn’t use the graphics commands that processing provides. I fixed this problem and …

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## [Can't switch to p5.js mode](https://discourse.processing.org/t/cant-switch-to-p5-js-mode/46252)

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**Author:** [@jaeho](https://discourse.processing.org/u/jaeho)\
**Replies:** 2\
**Last updated:** [April 20, 2025, 2:09pm UTC](https://discourse.processing.org/t/cant-switch-to-p5-js-mode/46252 "2025-04-20T14:09:30Z")

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After updating to Processing 4.4.1, I can’t switch to p5.js mode. An error window appears that says : The p5.js is already the latest version. Removing and reinstalling it does not help. Any idea? Thanks in advan…

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## [Share function in menu](https://discourse.processing.org/t/share-function-in-menu/46249)

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**Author:** [@Frankyates](https://discourse.processing.org/u/Frankyates)\
**Replies:** 3\
**Last updated:** [April 20, 2025, 1:02pm UTC](https://discourse.processing.org/t/share-function-in-menu/46249 "2025-04-20T13:02:23Z")

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Hi The menu SHARE has disappeared From menu (it is a saved script) Can you help? Is this happening only in France?

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## [Share Link function in hello.processing.org/editor/ not working?](https://discourse.processing.org/t/share-link-function-in-hello-processing-org-editor-not-working/43746)

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**Author:** [@Hazel-0](https://discourse.processing.org/u/Hazel-0)\
**Replies:** 3\
**Last updated:** [April 19, 2025, 10:13pm UTC](https://discourse.processing.org/t/share-link-function-in-hello-processing-org-editor-not-working/43746 "2025-04-19T22:13:03Z")

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Hi there! I teach a course about basic digital skills in a German university and I really love using your Hello Processing tutorials and the included editor for teaching first coding skills to my students. They use the S…

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## [Processing 4.4.1 install options](https://discourse.processing.org/t/processing-4-4-1-install-options/46247)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 0\
**Last updated:** [April 19, 2025, 3:51pm UTC](https://discourse.processing.org/t/processing-4-4-1-install-options/46247 "2025-04-19T15:51:08Z")

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Hello folks! I recently downloaded Processing 4.4.1 for Windows and installing in a W10 environment. The default on the website is an msi file: processing-4.4.1-windows-x64.msi I tried this but was not able to instal…

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## [Processing 4.4 and Linux](https://discourse.processing.org/t/processing-4-4-and-linux/46238)

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**Author:** [@Jean-no](https://discourse.processing.org/u/Jean-no)\
**Replies:** 3\
**Last updated:** [April 18, 2025, 4:26pm UTC](https://discourse.processing.org/t/processing-4-4-and-linux/46238 "2025-04-18T16:26:21Z")

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Hi everyone. Processing can now be installed through snap on linux. It works well, at first glance, but there seem to be a “sandbox” problem (the command snap connect processing:removable-media answers snap "processing…

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## [Planet Mandelbrot (3D modelling)](https://discourse.processing.org/t/planet-mandelbrot-3d-modelling/46239)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 0\
**Last updated:** [April 18, 2025, 10:49am UTC](https://discourse.processing.org/t/planet-mandelbrot-3d-modelling/46239 "2025-04-18T10:49:43Z")

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I have been continuing my experiments creating high vertex count (~1 million) models using p5.geometry and have come up with this sketch. In the past I just used the default lighting and material settings but in this ske…

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## [canvasGUI v1.0.0](https://discourse.processing.org/t/canvasgui-v1-0-0/46236)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 0\
**Last updated:** [April 17, 2025, 5:47pm UTC](https://discourse.processing.org/t/canvasgui-v1-0-0/46236 "2025-04-17T17:47:13Z")

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Thanks to @rbytes for prodding me to include touch events and to @GoToLoop for introducing me to the joy of CDN (Content Delivery Network) both of these features have been included in v1.0.0 In particular the CDN means …

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## [Seeking Your Input: What Tutorials & Documentation Does p5.js Need Next?](https://discourse.processing.org/t/seeking-your-input-what-tutorials-documentation-does-p5-js-need-next/46232)

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**Author:** [@Mamatha1718](https://discourse.processing.org/u/Mamatha1718)\
**Replies:** 0\
**Last updated:** [April 17, 2025, 5:20am UTC](https://discourse.processing.org/t/seeking-your-input-what-tutorials-documentation-does-p5-js-need-next/46232 "2025-04-17T05:20:19Z")

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Hello everyone! :waving\_hand: As suggested by Kit, I’m opening this Discourse thread to gather your valuable feedback and ideas. I’m currently working on creating beginner-friendly tutorials and community resources for …

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## [Use numbers at the beginning of the project name](https://discourse.processing.org/t/use-numbers-at-the-beginning-of-the-project-name/46228)

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**Author:** [@scuy](https://discourse.processing.org/u/scuy)\
**Replies:** 2\
**Last updated:** [April 16, 2025, 12:27pm UTC](https://discourse.processing.org/t/use-numbers-at-the-beginning-of-the-project-name/46228 "2025-04-16T12:27:11Z")

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When I use a number at the beginning of the project name, “sketch\_” is automatically added to the beginning of the saved name. Is this by design? Is there a setting to avoid this?

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## [The error "Could not load movie file Fish.mp4" occurs](https://discourse.processing.org/t/the-error-could-not-load-movie-file-fish-mp4-occurs/46169)

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**Author:** [@Morphine](https://discourse.processing.org/u/Morphine)\
**Replies:** 5\
**Last updated:** [April 15, 2025, 5:59pm UTC](https://discourse.processing.org/t/the-error-could-not-load-movie-file-fish-mp4-occurs/46169 "2025-04-15T17:59:56Z")

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The error “Could not load movie file Fish.mp4” occurs. The “Fish.mp4” file is played in other video players, this file is located in the same folder as the sketch.

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## [GPU parallel processing with APARAPI](https://discourse.processing.org/t/gpu-parallel-processing-with-aparapi/46223)

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**Author:** [@williamfraser](https://discourse.processing.org/u/williamfraser)\
**Replies:** 0\
**Last updated:** [April 15, 2025, 3:48pm UTC](https://discourse.processing.org/t/gpu-parallel-processing-with-aparapi/46223 "2025-04-15T15:48:18Z")

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Good day all. I have written a particle simulator and would like to try improving speed using parallel processing on a GPU. APARAPI is something used to run Java on GPU, but will it work with Processing? I have no exp…

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## [Mandelbrot Set : 3D landscape viewer](https://discourse.processing.org/t/mandelbrot-set-3d-landscape-viewer/46075)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 0\
**Last updated:** [March 26, 2025, 5:15pm UTC](https://discourse.processing.org/t/mandelbrot-set-3d-landscape-viewer/46075 "2025-03-26T17:15:23Z")

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I created this sketch for 2 reasons I want to learn more about using p5.geometry in p5js. The p5js documentation hardly scratches the surface and this excellent tutorial is a great starting place but there are many hid…

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## [Video library DLLs not found in Windows 10](https://discourse.processing.org/t/video-library-dlls-not-found-in-windows-10/46213)

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**Author:** [@nixiebunny](https://discourse.processing.org/u/nixiebunny)\
**Replies:** 0\
**Last updated:** [April 14, 2025, 1:33am UTC](https://discourse.processing.org/t/video-library-dlls-not-found-in-windows-10/46213 "2025-04-14T01:33:16Z")

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I have just installed Processing 4.3.4 x86-64 on my Windows 10 i7 laptop. It is installed at \\Users\\David\\Processing4.3.4\\processing.exe I installed the Video library for Processing 4 from the Manage Libraries dialog. …

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## [Can I use Processing to separately control 3 videos on 3 monitors?](https://discourse.processing.org/t/can-i-use-processing-to-separately-control-3-videos-on-3-monitors/46210)

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**Author:** [@Flustered](https://discourse.processing.org/u/Flustered)\
**Replies:** 1\
**Last updated:** [April 14, 2025, 1:05am UTC](https://discourse.processing.org/t/can-i-use-processing-to-separately-control-3-videos-on-3-monitors/46210 "2025-04-14T01:05:11Z")

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Hi.. I have been waiting for an excuse to use Processing for AGES!!! We need to have 3 separate videos playing on 3 separate monitors with the videos stopping and starting by code.. I know you can play video in a sket…

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## [Output to multiple displays](https://discourse.processing.org/t/output-to-multiple-displays/43852)

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**Author:** [@jstarbell](https://discourse.processing.org/u/jstarbell)\
**Replies:** 3\
**Last updated:** [April 14, 2025, 1:00am UTC](https://discourse.processing.org/t/output-to-multiple-displays/43852 "2025-04-14T01:00:29Z")

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Hi, first post in a decade! I would like to send differing output to two different displays, each in fullScreen mode. I’m running Processing 4.2 For example, on a Windows computer with a monitor and a projector as disp…

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## [Text Not Centered in Canvas - Help Needed with p5.js](https://discourse.processing.org/t/text-not-centered-in-canvas-help-needed-with-p5-js/46207)

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**Author:** [@moracapaoladesign](https://discourse.processing.org/u/moracapaoladesign)\
**Replies:** 1\
**Last updated:** [April 13, 2025, 9:14am UTC](https://discourse.processing.org/t/text-not-centered-in-canvas-help-needed-with-p5-js/46207 "2025-04-13T09:14:37Z")

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Hello everyone, I’m currently working on a p5.js project, and I’m having an issue with centering text on the canvas. Despite setting the text alignment to CENTER both horizontally and vertically, the text keeps appearin…

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## [Tried deleting a file in the Processing app, and it ended up deleting all my files in the downloads folder. Is there anything I can do?](https://discourse.processing.org/t/tried-deleting-a-file-in-the-processing-app-and-it-ended-up-deleting-all-my-files-in-the-downloads-folder-is-there-anything-i-can-do/46196)

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**Author:** [@grumpycatjwj](https://discourse.processing.org/u/grumpycatjwj)\
**Replies:** 1\
**Last updated:** [April 11, 2025, 1:04pm UTC](https://discourse.processing.org/t/tried-deleting-a-file-in-the-processing-app-and-it-ended-up-deleting-all-my-files-in-the-downloads-folder-is-there-anything-i-can-do/46196 "2025-04-11T13:04:40Z")

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I asked a friend who had this happen to them, and they said that the files should show in my trash folder, however nothing is there either. Is there anyway to get my files back?

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## [Processing runs slow on Linux](https://discourse.processing.org/t/processing-runs-slow-on-linux/46187)

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**Author:** [@Yonatan](https://discourse.processing.org/u/Yonatan)\
**Replies:** 3\
**Last updated:** [April 11, 2025, 12:58pm UTC](https://discourse.processing.org/t/processing-runs-slow-on-linux/46187 "2025-04-11T12:58:13Z")

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I am using processing to make a game and I used the same laptop to run the game and on windows when I run the code it runs smoothly with no problems but when I use fedora or debian Linux it runs about 4 times slower Lap…

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## [\[SOLVED\] Minim library FFT help](https://discourse.processing.org/t/solved-minim-library-fft-help/46184)

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**Author:** [@esc746](https://discourse.processing.org/u/esc746)\
**Replies:** 0\
**Last updated:** [April 9, 2025, 4:34pm UTC](https://discourse.processing.org/t/solved-minim-library-fft-help/46184 "2025-04-09T16:34:39Z")

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I am using Minim to display the spectrum of the total output of my sketch. The example sketch Minim \> Analysis \> SoundSpectrum has this core algorithm: AudioPlayer sound = minim.loadFile("sound.mp3", 1024); FFT fft = ne…

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## [CanvasGUI problems](https://discourse.processing.org/t/canvasgui-problems/46089)

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**Author:** [@rbytes](https://discourse.processing.org/u/rbytes)\
**Replies:** 28\
**Last updated:** [April 9, 2025, 9:51am UTC](https://discourse.processing.org/t/canvasgui-problems/46089 "2025-04-09T09:51:07Z")

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The sliders do not work with touch in p5js. I am using Safari on an iPad Pro. I have no problem using sliders in other guis, and the built in p5js sliders work fine as well.

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## [P5.js sound map sketch not working on safari, working perfectly on chrome!](https://discourse.processing.org/t/p5-js-sound-map-sketch-not-working-on-safari-working-perfectly-on-chrome/46178)

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**Author:** [@calfish](https://discourse.processing.org/u/calfish)\
**Replies:** 1\
**Last updated:** [April 8, 2025, 7:01pm UTC](https://discourse.processing.org/t/p5-js-sound-map-sketch-not-working-on-safari-working-perfectly-on-chrome/46178 "2025-04-08T19:01:11Z")

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Hi, I am hosting a p5 sketch at https://calfish.land/radiomap.html It’s working fine on chrome, i can’t find any missing assets and everything is locally hosted. On safari the sketch won’t load and the console shows a …

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## [P5js editor unindenting code with TAB + SHIFT not working anymore](https://discourse.processing.org/t/p5js-editor-unindenting-code-with-tab-shift-not-working-anymore/46171)

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**Author:** [@Laurent](https://discourse.processing.org/u/Laurent)\
**Replies:** 2\
**Last updated:** [April 7, 2025, 4:06pm UTC](https://discourse.processing.org/t/p5js-editor-unindenting-code-with-tab-shift-not-working-anymore/46171 "2025-04-07T16:06:08Z")

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Hi everybody, Common and universal shortcut keys TAB + SHIFT to unindent code is no more working in editor.p5js.org editor. TAB shortcut for indentation is still working. Any ideas? Does an update cause this issue? Or c…

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## [Flocking simulation is erratic and choppy](https://discourse.processing.org/t/flocking-simulation-is-erratic-and-choppy/45958)

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**Author:** [@David1](https://discourse.processing.org/u/David1)\
**Replies:** 8\
**Last updated:** [March 27, 2025, 3:26pm UTC](https://discourse.processing.org/t/flocking-simulation-is-erratic-and-choppy/45958 "2025-03-27T15:26:40Z")

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Hi all, I appreciate your time in reading this question. I’m fairly new to Processing and have finally made it into the world of vectors. It’s been funs so far, but I’m having trouble implementing the vectors in a 3D fl…

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## [Issue rendering video/how to render video on processing](https://discourse.processing.org/t/issue-rendering-video-how-to-render-video-on-processing/6667)

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**Author:** [@ra0000mona94](https://discourse.processing.org/u/ra0000mona94)\
**Replies:** 2\
**Last updated:** [December 18, 2018, 9:14pm UTC](https://discourse.processing.org/t/issue-rendering-video-how-to-render-video-on-processing/6667 "2018-12-18T21:14:27Z")

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I’m extremely new to this and have made a design using a tutorial. My code runs smoothly until I enter: saveFrame(“output/frames\_####.png”); when I enter this, my video does not run, instead there is a blank screen. ple…

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## ["Video for Processing 4" - Video is flickering, possible causes?](https://discourse.processing.org/t/video-for-processing-4-video-is-flickering-possible-causes/42703)

<div class="topic-metadata">

**Author:** [@olliebown](https://discourse.processing.org/u/olliebown)\
**Replies:** 8\
**Last updated:** [September 19, 2023, 11:21am UTC](https://discourse.processing.org/t/video-for-processing-4-video-is-flickering-possible-causes/42703 "2023-09-19T11:21:37Z")

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Are there any experts on the “Video for Processing 4” library who might be able to explain possible causes of undesirable flickering and freezing behaviour? (Processing 4, Mac OS 13\*). At present I can’t provide a clean …

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## [When I render this code, it gives me 2 second video. but it have to give 6 secs](https://discourse.processing.org/t/when-i-render-this-code-it-gives-me-2-second-video-but-it-have-to-give-6-secs/21773)

<div class="topic-metadata">

**Author:** [@yhlaskerimov](https://discourse.processing.org/u/yhlaskerimov)\
**Replies:** 8\
**Last updated:** [April 4, 2025, 3:19pm UTC](https://discourse.processing.org/t/when-i-render-this-code-it-gives-me-2-second-video-but-it-have-to-give-6-secs/21773 "2025-04-04T15:19:00Z")

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import processing.video.\*; import com.hamoid.\*; VideoExport videoExport; int cellSize = 20; int cols, rows; PShape asuda\[\] = new PShape\[5\]; Movie movie; void setup() { frameRate(60); size(1920, 1080); cols = wid…

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