# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=14

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

**Page:** 15

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## [Report System and Environment Diagnostics at Runtime](https://discourse.processing.org/t/report-system-and-environment-diagnostics-at-runtime/47384)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 6\
**Last updated:** [October 17, 2025, 6:34pm UTC](https://discourse.processing.org/t/report-system-and-environment-diagnostics-at-runtime/47384 "2025-10-17T18:34:31Z")

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Hello folks! A Processing sketch that reports detailed system and environment diagnostics at runtime. Designed to solve real-world project issues, this sketch blends system diagnostics with AI-assisted development (Cha…

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## [John Whitney tribute](https://discourse.processing.org/t/john-whitney-tribute/47386)

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**Author:** [@matheplica](https://discourse.processing.org/u/matheplica)\
**Replies:** 1\
**Last updated:** [October 17, 2025, 11:03am UTC](https://discourse.processing.org/t/john-whitney-tribute/47386 "2025-10-17T11:03:00Z")

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Hi, I coded the a part of John Whitney works : Matrix3. John was a pioneer of computer graphics experiments, he worked with first analog computer in 60’s, 70’s. You can find a lot of this work on youtube. This thre…

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## [Help with animating circles](https://discourse.processing.org/t/help-with-animating-circles/47346)

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**Author:** [@AVREDDY](https://discourse.processing.org/u/AVREDDY)\
**Replies:** 2\
**Last updated:** [October 16, 2025, 8:42pm UTC](https://discourse.processing.org/t/help-with-animating-circles/47346 "2025-10-16T20:42:57Z")

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Hello. I am coming back to processing after so long. I am trying to make an animation based on circles interlocking to create patterns. How can I make this code more effective? I also want to slow down the frame rate. i…

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## [Error on atan() call](https://discourse.processing.org/t/error-on-atan-call/47373)

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**Author:** [@Xero](https://discourse.processing.org/u/Xero)\
**Replies:** 2\
**Last updated:** [October 16, 2025, 8:33am UTC](https://discourse.processing.org/t/error-on-atan-call/47373 "2025-10-16T08:33:57Z")

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Having an issue, is this a bug? or am I doing something wrong? function setup() { createCanvas(400, 400); background(128); } function draw() { let a = cos(0.5); text(a.toString(), 200,200); a = atan(0.5); t…

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## [What does this error message mean?](https://discourse.processing.org/t/what-does-this-error-message-mean/47370)

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**Author:** [@WillyGrz](https://discourse.processing.org/u/WillyGrz)\
**Replies:** 3\
**Last updated:** [October 15, 2025, 6:25pm UTC](https://discourse.processing.org/t/what-does-this-error-message-mean/47370 "2025-10-15T18:25:17Z")

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\< if (projXmove \>= (displayWidth/75)/sqrt(1+(projSlope)(projSlope))) { projXmove = (displayWidth/75)/sqrt(1+(projSlope)(projSlope)); } When I try to run this within my program I get the error message “The operator +…

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## [Support for Top-Level Global Mode](https://discourse.processing.org/t/support-for-top-level-global-mode/47359)

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**Author:** [@qashto](https://discourse.processing.org/u/qashto)\
**Replies:** 0\
**Last updated:** [October 14, 2025, 1:23pm UTC](https://discourse.processing.org/t/support-for-top-level-global-mode/47359 "2025-10-14T13:23:50Z")

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Hi everyone! Kit has requested further discussion from the community on this issue. Please let us know if this feature from Processing is something you’d like to see in p5.js!

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## [Windows 11 moving wallpaper](https://discourse.processing.org/t/windows-11-moving-wallpaper/47235)

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**Author:** [@FortranGuy](https://discourse.processing.org/u/FortranGuy)\
**Replies:** 4\
**Last updated:** [October 14, 2025, 3:22am UTC](https://discourse.processing.org/t/windows-11-moving-wallpaper/47235 "2025-10-14T03:22:08Z")

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Hello everyone! As a hobby, I create static wallpapers by overlaying green rectangle with anime characters. One day, I came across an illustration of a pocket watch, so instead of overlaying it with a green rectangle, …

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## [Keypressed Function Stuck On](https://discourse.processing.org/t/keypressed-function-stuck-on/47341)

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**Author:** [@WillyGrz](https://discourse.processing.org/u/WillyGrz)\
**Replies:** 3\
**Last updated:** [October 13, 2025, 4:51pm UTC](https://discourse.processing.org/t/keypressed-function-stuck-on/47341 "2025-10-13T16:51:27Z")

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\< float playerX=width/2; float playerY=height/2; float playerSpeedXPositive = 0; float playerSpeedXNegative = 0; float playerSpeedYPositive = 0; float playerSpeedYNegative = 0; final int \_keyD = 40; final int \_ke…

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## [Error with Serial library](https://discourse.processing.org/t/error-with-serial-library/47333)

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**Author:** [@unkient](https://discourse.processing.org/u/unkient)\
**Replies:** 3\
**Last updated:** [October 13, 2025, 3:05pm UTC](https://discourse.processing.org/t/error-with-serial-library/47333 "2025-10-13T15:05:17Z")

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Hello, friends! I’ve got an error on my computer. When i’m trying to import serial library with this code: “import processing.serial.\*;” processing gives me an error “The package “processing.serial” does not exist. You…

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## [VideoExport: movie duration not matching up with mp3](https://discourse.processing.org/t/videoexport-movie-duration-not-matching-up-with-mp3/17259)

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**Author:** [@bcoley](https://discourse.processing.org/u/bcoley)\
**Replies:** 9\
**Last updated:** [October 11, 2025, 4:19pm UTC](https://discourse.processing.org/t/videoexport-movie-duration-not-matching-up-with-mp3/17259 "2025-10-11T16:19:20Z")

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I was using VideoExport and wanting to make a music video of sorts from an mp3 file. Everything would seem to mostly work, I start playing the mp3 and call startMovie(), except when I closed the movie, the movie would …

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## [Movie Maker: Time gap between movie and its audio file](https://discourse.processing.org/t/movie-maker-time-gap-between-movie-and-its-audio-file/46748)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 4\
**Last updated:** [October 11, 2025, 1:23am UTC](https://discourse.processing.org/t/movie-maker-time-gap-between-movie-and-its-audio-file/46748 "2025-10-11T01:23:49Z")

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Hello all, I am using Movie Maker with saveFrame(“frames/####.png”); and inside Movie Maker also an Audio file. I use the Audio file also in the Sketch. I have a huge gap / offset between movie and Audio file. I wou…

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## [Pixel Shifting: Dynamic Image Distortion with Sinusoidal Modulation](https://discourse.processing.org/t/pixel-shifting-dynamic-image-distortion-with-sinusoidal-modulation/47312)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 0\
**Last updated:** [October 9, 2025, 5:25pm UTC](https://discourse.processing.org/t/pixel-shifting-dynamic-image-distortion-with-sinusoidal-modulation/47312 "2025-10-09T17:25:13Z")

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Hello folks! This project distorts images by shifting pixels along the X and Y axes using sinusoidal wave functions. The result is a cool dynamic effect that moves through various patterns, from horizontal bands to diag…

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## [2.0.5 content-type issue](https://discourse.processing.org/t/2-0-5-content-type-issue/47189)

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**Author:** [@pifragile](https://discourse.processing.org/u/pifragile)\
**Replies:** 4\
**Last updated:** [October 9, 2025, 4:36pm UTC](https://discourse.processing.org/t/2-0-5-content-type-issue/47189 "2025-10-09T16:36:52Z")

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i ran into the following issue: whenever i serve the p5.min.js file, v2.0.5, from somewhere like amazon s3 or pinata i get the error in the image, when i serve with content type application/javascript, which is the stand…

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## [The method getImage() from the type PImage is deprecated](https://discourse.processing.org/t/the-method-getimage-from-the-type-pimage-is-deprecated/47297)

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**Author:** [@bonner45](https://discourse.processing.org/u/bonner45)\
**Replies:** 1\
**Last updated:** [October 8, 2025, 4:27pm UTC](https://discourse.processing.org/t/the-method-getimage-from-the-type-pimage-is-deprecated/47297 "2025-10-08T16:27:14Z")

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void settingsUI() { frameSettings = new JFrame("Settings"); frameSettings.setSize(500, 300); frameSettings.setDefaultCloseOperation(JFrame.DISPOSE\_ON\_CLOSE); frameSettings.setResizable(false); frameSettings.set…

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## [Check if file exists or not](https://discourse.processing.org/t/check-if-file-exists-or-not/39317)

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**Author:** [@jensemand](https://discourse.processing.org/u/jensemand)\
**Replies:** 7\
**Last updated:** [October 6, 2025, 2:42pm UTC](https://discourse.processing.org/t/check-if-file-exists-or-not/39317 "2025-10-06T14:42:59Z")

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As the title says, I want to check whether a file exists. I am not trying to look at the data folder because I think you just have to use dataFile(). At the moment I just have to see if a specific file is in the sketch …

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## [Why color? 0x00000000 Doesn't give a transparent color?](https://discourse.processing.org/t/why-color-0x00000000-doesnt-give-a-transparent-color/47221)

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**Author:** [@aiapps](https://discourse.processing.org/u/aiapps)\
**Replies:** 11\
**Last updated:** [October 6, 2025, 2:14pm UTC](https://discourse.processing.org/t/why-color-0x00000000-doesnt-give-a-transparent-color/47221 "2025-10-06T14:14:41Z")

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When I do: stroke(0x00000000); This does not give a transparent color. (Yes, I know I can write 0,0) The question is more about the consistency of API processing, since in many cases the processing itself transforms …

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## [Compose Multiplatform example project?](https://discourse.processing.org/t/compose-multiplatform-example-project/47287)

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**Author:** [@ADev](https://discourse.processing.org/u/ADev)\
**Replies:** 1\
**Last updated:** [October 6, 2025, 9:38am UTC](https://discourse.processing.org/t/compose-multiplatform-example-project/47287 "2025-10-06T09:38:51Z")

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I’d like to create a new Processing project using Compose Multiplatform. Is there an example project or a starter project that would show me how to get started on one?

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## [I have asked a lot of people but no one knows this effect](https://discourse.processing.org/t/i-have-asked-a-lot-of-people-but-no-one-knows-this-effect/45361)

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**Author:** [@Dalol](https://discourse.processing.org/u/Dalol)\
**Replies:** 12\
**Last updated:** [October 4, 2025, 11:57pm UTC](https://discourse.processing.org/t/i-have-asked-a-lot-of-people-but-no-one-knows-this-effect/45361 "2025-10-04T23:57:06Z")

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https://www.instagram.com/p/CMxUWEBhmEY/?utm\_source=ig\_web\_copy\_link&igsh=MzRlODBiNWFlZA== Do you know how to make this effect? I have asked a lot of people but no one knows… So far people said it maybe sin waves, n…

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## [Beginner needs help creating an interactive work with his students](https://discourse.processing.org/t/beginner-needs-help-creating-an-interactive-work-with-his-students/47260)

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**Author:** [@Lucaschaill](https://discourse.processing.org/u/Lucaschaill)\
**Replies:** 4\
**Last updated:** [October 3, 2025, 6:04pm UTC](https://discourse.processing.org/t/beginner-needs-help-creating-an-interactive-work-with-his-students/47260 "2025-10-03T18:04:06Z")

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Hi there, I need help. I’m a teacher and I’m just starting out. Would it be possible to share some code with me to create an interactive “work.” Specifically, I want a random image from a folder to appear when you click…

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## [Reimplementing "Calculated Movements" (1982-1985) by Larry Cuba](https://discourse.processing.org/t/reimplementing-calculated-movements-1982-1985-by-larry-cuba/47274)

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**Author:** [@FelipeSanches](https://discourse.processing.org/u/FelipeSanches)\
**Replies:** 0\
**Last updated:** [October 2, 2025, 7:50pm UTC](https://discourse.processing.org/t/reimplementing-calculated-movements-1982-1985-by-larry-cuba/47274 "2025-10-02T19:50:02Z")

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A few years ago I started reimplementing this very cool early 80s animation by Larry Cuba: https://www.youtube.com/watch?v=OkyqP-g\_LrY The sources are available here: GitHub - felipesanches/CalculatedMovements The go…

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## [Google Maps Will Not Accept My .csv File](https://discourse.processing.org/t/google-maps-will-not-accept-my-csv-file/47237)

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**Author:** [@fredstout](https://discourse.processing.org/u/fredstout)\
**Replies:** 5\
**Last updated:** [October 1, 2025, 1:41pm UTC](https://discourse.processing.org/t/google-maps-will-not-accept-my-csv-file/47237 "2025-10-01T13:41:44Z")

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Google Maps expects a .csv file containing data to place on a map. My test file has 5 rows and 5 columns. The first row is a header with column names. My file ends with the usual null characters. It failed to load. I add…

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## [Why the "P3D renderer is not in the class path"?](https://discourse.processing.org/t/why-the-p3d-renderer-is-not-in-the-class-path/47257)

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**Author:** [@larrycuba](https://discourse.processing.org/u/larrycuba)\
**Replies:** 5\
**Last updated:** [October 1, 2025, 12:47am UTC](https://discourse.processing.org/t/why-the-p3d-renderer-is-not-in-the-class-path/47257 "2025-10-01T00:47:55Z")

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i’m begging to use Py5Graphics with the command: pg = py5.create\_graphics( 500, 500, ‘P3D’) and later when i begin to draw into this window, i get the error: “The P3D renderer is not in the class path” How is the cla…

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## [Will the code be organized as this is done in Arduino IDE? VS Code extension](https://discourse.processing.org/t/will-the-code-be-organized-as-this-is-done-in-arduino-ide-vs-code-extension/47135)

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**Author:** [@Aigars](https://discourse.processing.org/u/Aigars)\
**Replies:** 53\
**Last updated:** [September 30, 2025, 9:07pm UTC](https://discourse.processing.org/t/will-the-code-be-organized-as-this-is-done-in-arduino-ide-vs-code-extension/47135 "2025-09-30T21:07:59Z")

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Excellent development environment. If you add the “Code folding” function, it will be much easier not only for beginners but also advanced users. Instead, I found outdated videos as a Proсessing compiler to connect to Vi…

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## [I made a strategy game with AI opponents using p5 \[Devlog\]](https://discourse.processing.org/t/i-made-a-strategy-game-with-ai-opponents-using-p5-devlog/47254)

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**Author:** [@colin](https://discourse.processing.org/u/colin)\
**Replies:** 2\
**Last updated:** [September 30, 2025, 8:57am UTC](https://discourse.processing.org/t/i-made-a-strategy-game-with-ai-opponents-using-p5-devlog/47254 "2025-09-30T08:57:49Z")

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Hi there, it’s been a while since I published a project using p5.js. This one was an interesting challenge design wise, but also had a lot of challenging parts in the development. I learned a lot along the way and …

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## [Create PDF runtime error with v4.4.7](https://discourse.processing.org/t/create-pdf-runtime-error-with-v4-4-7/47174)

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**Author:** [@Geoffree3](https://discourse.processing.org/u/Geoffree3)\
**Replies:** 8\
**Last updated:** [September 30, 2025, 11:10am UTC](https://discourse.processing.org/t/create-pdf-runtime-error-with-v4-4-7/47174 "2025-09-30T11:10:50Z")

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Creating a pdf of drawing to the screen with beginRecord(PDF, fileName) now gives and error: “java.lang.RuntimeException: Use createFont() instead of loadFont() when drawing text using the PDF library” My code uses cre…

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## [Background image size error - Apple Silicon?](https://discourse.processing.org/t/background-image-size-error-apple-silicon/47252)

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**Author:** [@AaronQ](https://discourse.processing.org/u/AaronQ)\
**Replies:** 2\
**Last updated:** [September 29, 2025, 9:25pm UTC](https://discourse.processing.org/t/background-image-size-error-apple-silicon/47252 "2025-09-29T21:25:08Z")

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Hello. I have recently installed Processing4.4.7 on MacOS15.6.1 running Apple Silicon. I have used other versions of Processing on Mac Intel before. I have confirmed the code below works successfully on Processing4.4.…

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## [Multiple Background processes accumulate with VS Code](https://discourse.processing.org/t/multiple-background-processes-accumulate-with-vs-code/47234)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 0\
**Last updated:** [September 26, 2025, 6:28pm UTC](https://discourse.processing.org/t/multiple-background-processes-accumulate-with-vs-code/47234 "2025-09-26T18:28:48Z")

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Hello @stefterv, A new Processing task remains in my Background processes after running VS Code with the Processing VS Code Extension. Steps to reproduce: Open VS Code The last Processing sketch opens. Assumed that …

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## ["Text to Image" an alternative to the text( ) function in p5js](https://discourse.processing.org/t/text-to-image-an-alternative-to-the-text-function-in-p5js/47240)

<div class="topic-metadata">

**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 0\
**Last updated:** [September 28, 2025, 10:51am UTC](https://discourse.processing.org/t/text-to-image-an-alternative-to-the-text-function-in-p5js/47240 "2025-09-28T10:51:37Z")

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p5js provides the text() function to display text using the currently set text font, size, style and alignment. What it can’t do is vary any of these attributes while it is rendering the text. “Text to Image” solves thi…

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## [Read/write data on a remote server](https://discourse.processing.org/t/read-write-data-on-a-remote-server/47179)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 5\
**Last updated:** [September 27, 2025, 5:56pm UTC](https://discourse.processing.org/t/read-write-data-on-a-remote-server/47179 "2025-09-27T17:56:33Z")

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Is it conceivable to use Processing or P5js to read/write data on a remote server? It would be about creating an application to query the data of their account (with the use of a password). What would be the simplest w…

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## [Processing Editor for BIG Projects](https://discourse.processing.org/t/processing-editor-for-big-projects/30338)

<div class="topic-metadata">

**Author:** [@Flolo](https://discourse.processing.org/u/Flolo)\
**Replies:** 6\
**Last updated:** [May 31, 2021, 7:12am UTC](https://discourse.processing.org/t/processing-editor-for-big-projects/30338 "2021-05-31T07:12:12Z")

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Hey, I’ve been programming with Processing for 2 years and now have a slightly larger project. I need a lot of classes in this project. So that it remains superfluous for me, I need a lot of tabs. The problem with Proces…

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