# Latest

**URL:** https://discourse.processing.org/latest.md?page=51

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

**Page:** 52

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## [How do I write a formula that rotates a point around the coordination systems center?](https://discourse.processing.org/t/how-do-i-write-a-formula-that-rotates-a-point-around-the-coordination-systems-center/43591)

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**Author:** [@Erik](https://discourse.processing.org/u/Erik)\
**Replies:** 3\
**Last updated:** [January 1, 2024, 12:45am UTC](https://discourse.processing.org/t/how-do-i-write-a-formula-that-rotates-a-point-around-the-coordination-systems-center/43591 "2024-01-01T00:45:09Z")

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I have a 3D coordination system where x, y, and z dimensions span from 0 to 1000. I have a point randomly placed within these coordinates, and want it to rotate around the center (x, y and z = 500) by a given angle. I wa…

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## [How does Processing handle methods drawing objects outside of the screen coordinates?](https://discourse.processing.org/t/how-does-processing-handle-methods-drawing-objects-outside-of-the-screen-coordinates/43590)

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**Author:** [@Erik](https://discourse.processing.org/u/Erik)\
**Replies:** 2\
**Last updated:** [December 31, 2023, 3:00pm UTC](https://discourse.processing.org/t/how-does-processing-handle-methods-drawing-objects-outside-of-the-screen-coordinates/43590 "2023-12-31T15:00:04Z")

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The reason I ask is because my code generates points that travels in a 3d trajectory within and outside of the screen coordinates. (Please note that I’m not using translate()). Currently, the point() method - that handl…

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## [Exporting lines drawn by mouse to SVG](https://discourse.processing.org/t/exporting-lines-drawn-by-mouse-to-svg/43586)

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**Author:** [@aFewScrewsLoose](https://discourse.processing.org/u/aFewScrewsLoose)\
**Replies:** 6\
**Last updated:** [December 30, 2023, 10:59pm UTC](https://discourse.processing.org/t/exporting-lines-drawn-by-mouse-to-svg/43586 "2023-12-30T22:59:00Z")

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Hello, I’ve been trying to make a Processing script that: Draws a line when the mouse is pressed . Exports these lines to an .svg file. Here is my code: Codeimport processing.svg.\*; // setup runs before the main lo…

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## [Type Serial is ambiguous](https://discourse.processing.org/t/type-serial-is-ambiguous/43584)

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**Author:** [@rototbob](https://discourse.processing.org/u/rototbob)\
**Replies:** 3\
**Last updated:** [December 30, 2023, 11:41pm UTC](https://discourse.processing.org/t/type-serial-is-ambiguous/43584 "2023-12-30T23:41:22Z")

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I’m new to the Processing language. I am trying to run the code for the Arduino Networked Lamp as detailed in the Getting started with Arduino book. I’ve downloaded the program titled ex06 01 processing and I get the fo…

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## [Make canvas transparent (or how to include a background image)](https://discourse.processing.org/t/make-canvas-transparent-or-how-to-include-a-background-image/43572)

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**Author:** [@Bastilling](https://discourse.processing.org/u/Bastilling)\
**Replies:** 2\
**Last updated:** [December 29, 2023, 9:17pm UTC](https://discourse.processing.org/t/make-canvas-transparent-or-how-to-include-a-background-image/43572 "2023-12-29T21:17:37Z")

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Hey everyone! I am currently working on a webpage as a sort of late christmas present and I can not figure out the solution for a specific design problem. Since I am unexperienced with html/css stuff, I wanted to ask so…

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## [Force directed graphs](https://discourse.processing.org/t/force-directed-graphs/43579)

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**Author:** [@Lee14](https://discourse.processing.org/u/Lee14)\
**Replies:** 0\
**Last updated:** [December 29, 2023, 7:32pm UTC](https://discourse.processing.org/t/force-directed-graphs/43579 "2023-12-29T19:32:25Z")

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i am a relative newby to processing … but would like to develop a pedagogical tool which uses force directed graphs … which would link to a generated database in the background (nodes would be places for user to input a …

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## [Problems with hashmap](https://discourse.processing.org/t/problems-with-hashmap/43567)

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**Author:** [@hokuto](https://discourse.processing.org/u/hokuto)\
**Replies:** 2\
**Last updated:** [December 29, 2023, 6:58pm UTC](https://discourse.processing.org/t/problems-with-hashmap/43567 "2023-12-29T18:58:01Z")

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Hello, I’m going to comment on the code that I’m going to show and then ask the question. I have a file called parent which has a hashmap and two classes to manage that hashmap. Then I have a player class and I shoot, …

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## [Processing 4.3 \> Contribution Manager \> Libraries Status not showing installed libraries (W10)](https://discourse.processing.org/t/processing-4-3-contribution-manager-libraries-status-not-showing-installed-libraries-w10/42871)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 2\
**Last updated:** [December 28, 2023, 2:30pm UTC](https://discourse.processing.org/t/processing-4-3-contribution-manager-libraries-status-not-showing-installed-libraries-w10/42871 "2023-12-28T14:30:59Z")

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Hello folks! Are others experiencing this? My Processing 4.3 \> Contribution Manager \> Libraries status is not showing installed libraries on two different W10 Pro PCs. Fortunately, the libraries I do have installed ar…

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## [Greeking-project - need triangles on different positions to point to my mouse](https://discourse.processing.org/t/greeking-project-need-triangles-on-different-positions-to-point-to-my-mouse/43575)

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**Author:** [@ina1](https://discourse.processing.org/u/ina1)\
**Replies:** 0\
**Last updated:** [December 29, 2023, 12:52am UTC](https://discourse.processing.org/t/greeking-project-need-triangles-on-different-positions-to-point-to-my-mouse/43575 "2023-12-29T00:52:59Z")

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Hi! For a school project I need to realize a creative greeking-project. Therefore I’ve got a template which I have to use, that includes different symbol-systems. I have to use it as the base of my project. Just to giv…

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## [Instructions to format code in two topics are different](https://discourse.processing.org/t/instructions-to-format-code-in-two-topics-are-different/43431)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 0\
**Last updated:** [December 9, 2023, 2:25pm UTC](https://discourse.processing.org/t/instructions-to-format-code-in-two-topics-are-different/43431 "2023-12-09T14:25:09Z")

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Season’s Greetings everyone! Hello @sableRaph, There are two topics that have instructions on formatting code: https://discourse.processing.org/t/guidelines-asking-questions/2147#is-your-post-formatted-9 https://…

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## [Did anyone use a 3D physics engine with Processing?](https://discourse.processing.org/t/did-anyone-use-a-3d-physics-engine-with-processing/43569)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 0\
**Last updated:** [December 28, 2023, 11:15am UTC](https://discourse.processing.org/t/did-anyone-use-a-3d-physics-engine-with-processing/43569 "2023-12-28T11:15:28Z")

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Did anyone use a 3D physics engine with processing? Which one can you recommend? Are there processing examples? Thank you all! Like this:

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## [Vertex Trail with fading alpha possible?](https://discourse.processing.org/t/vertex-trail-with-fading-alpha-possible/43522)

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**Author:** [@Tilman](https://discourse.processing.org/u/Tilman)\
**Replies:** 2\
**Last updated:** [December 27, 2023, 9:16pm UTC](https://discourse.processing.org/t/vertex-trail-with-fading-alpha-possible/43522 "2023-12-27T21:16:24Z")

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Hi I have a visual trail. A vertex from history vector positions. I want this trail to be transitioning from full alpha at the beginning and 0 alpha at its end. When I do this with individual ellipses for the history a…

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## [Can you set a process timeout](https://discourse.processing.org/t/can-you-set-a-process-timeout/43534)

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**Author:** [@bask185](https://discourse.processing.org/u/bask185)\
**Replies:** 2\
**Last updated:** [December 27, 2023, 8:41pm UTC](https://discourse.processing.org/t/can-you-set-a-process-timeout/43534 "2023-12-27T20:41:42Z")

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I can succesfully invoke arduino-cli to build and upload programs to an arduino board. The problem that I am having, is that the upload process takes 2 minutes before a status is returned. When I select the wrong board…

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## [How can I get/fetch a response from invoked (launch() ) command?](https://discourse.processing.org/t/how-can-i-get-fetch-a-response-from-invoked-launch-command/43511)

<div class="topic-metadata">

**Author:** [@bask185](https://discourse.processing.org/u/bask185)\
**Replies:** 3\
**Last updated:** [December 27, 2023, 8:25pm UTC](https://discourse.processing.org/t/how-can-i-get-fetch-a-response-from-invoked-launch-command/43511 "2023-12-27T20:25:18Z")

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I used launch() to invoke a batch script. The batch script would than launch Arduino-cli to build and upload an arduino program to a board. That was this fine working line. launch("rundll32 SHELL32.DLL,ShellExec\_RunDLL…

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## [Make program not be opened until it is done loading](https://discourse.processing.org/t/make-program-not-be-opened-until-it-is-done-loading/43560)

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**Author:** [@Noodlybanan](https://discourse.processing.org/u/Noodlybanan)\
**Replies:** 4\
**Last updated:** [December 26, 2023, 3:49pm UTC](https://discourse.processing.org/t/make-program-not-be-opened-until-it-is-done-loading/43560 "2023-12-26T15:49:01Z")

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Hi! Ive been trying to make my programm be minimized till it is done loading. My code doesn’t work however and I haven’t seen a topic asking this. void setup() { surface.setVisible(false); size(960, 540, P2D); …

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## [Error in compile Processing file through polargraphcontroller](https://discourse.processing.org/t/error-in-compile-processing-file-through-polargraphcontroller/43472)

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**Author:** [@freesheida1984](https://discourse.processing.org/u/freesheida1984)\
**Replies:** 5\
**Last updated:** [December 26, 2023, 12:51pm UTC](https://discourse.processing.org/t/error-in-compile-processing-file-through-polargraphcontroller/43472 "2023-12-26T12:51:50Z")

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hi everyone, I want to run a processing code through polargraphcontroller but I got this error, what seems to be the problem? the code is n existed processing code in this polargraphcontroller but it is not working …

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## [Can I show the keyboard of a mobile device?](https://discourse.processing.org/t/can-i-show-the-keyboard-of-a-mobile-device/26093)

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**Author:** [@Filatov](https://discourse.processing.org/u/Filatov)\
**Replies:** 4\
**Last updated:** [December 25, 2023, 1:40pm UTC](https://discourse.processing.org/t/can-i-show-the-keyboard-of-a-mobile-device/26093 "2023-12-25T13:40:57Z")

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I am developing an interface for the program, made a component for entering text. The PC version works fine. Is it possible to force the keyboard to open in a browser on a mobile device and read the key pressed? Is ther…

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## [Moving and closing PApplets (Processing 4.2)](https://discourse.processing.org/t/moving-and-closing-papplets-processing-4-2/43547)

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**Author:** [@Edenstudent](https://discourse.processing.org/u/Edenstudent)\
**Replies:** 7\
**Last updated:** [December 24, 2023, 6:52pm UTC](https://discourse.processing.org/t/moving-and-closing-papplets-processing-4-2/43547 "2023-12-24T18:52:05Z")

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I have a program I am trying to make that requires opening multiple additional windows on the screen and using them, setting them up in specific locations, and closing them… The issue is that, although I’ve been trying …

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## [Using the drawNobo function for generative typography](https://discourse.processing.org/t/using-the-drawnobo-function-for-generative-typography/43553)

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**Author:** [@elifworks](https://discourse.processing.org/u/elifworks)\
**Replies:** 0\
**Last updated:** [December 23, 2023, 5:58pm UTC](https://discourse.processing.org/t/using-the-drawnobo-function-for-generative-typography/43553 "2023-12-23T17:58:01Z")

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Hello everyone, I’m new to p5.js I want to design a series of generative typefaces, based on open source code and adapted to p5.js. But in this project, would it be possible to create, for example, a letter S instead o…

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## [Proposal for IDE - zip upload (enhancing the forum)](https://discourse.processing.org/t/proposal-for-ide-zip-upload-enhancing-the-forum/43284)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 12\
**Last updated:** [December 23, 2023, 2:31pm UTC](https://discourse.processing.org/t/proposal-for-ide-zip-upload-enhancing-the-forum/43284 "2023-12-23T14:31:37Z")

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Proposal In the IDE is a new fixed inbuilt Tool “Upload and share in Processing Forum”. It : executes ctrl-t on all tabs, zips all files and uploads to a server (like weshare) that the Foundation provides and return…

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## [Doubled lines with SVG export](https://discourse.processing.org/t/doubled-lines-with-svg-export/43539)

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**Author:** [@okelk](https://discourse.processing.org/u/okelk)\
**Replies:** 5\
**Last updated:** [December 22, 2023, 10:08pm UTC](https://discourse.processing.org/t/doubled-lines-with-svg-export/43539 "2023-12-22T22:08:47Z")

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Hi! I have a problem with exporting SVGs. The code underneath is a adaptation of the star example . I added SVG export but have the problem theat the resulting lines are doubled on top of each other. this might be in…

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## [Build failed with DuplicateRelativeFileException](https://discourse.processing.org/t/build-failed-with-duplicaterelativefileexception/43537)

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**Author:** [@bertin](https://discourse.processing.org/u/bertin)\
**Replies:** 9\
**Last updated:** [December 22, 2023, 12:46pm UTC](https://discourse.processing.org/t/build-failed-with-duplicaterelativefileexception/43537 "2023-12-22T12:46:31Z")

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Hi I’m trying to build a project in Processing 4 for Android. I have several external libraries imported in the “code” folder. When I’m trying to “run on device” I get the following error: Caused by: com.android.bu…

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## [I am getting vulnerabilities while setting up the p5.js project](https://discourse.processing.org/t/i-am-getting-vulnerabilities-while-setting-up-the-p5-js-project/42893)

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**Author:** [@Jamir](https://discourse.processing.org/u/Jamir)\
**Replies:** 1\
**Last updated:** [December 22, 2023, 11:15am UTC](https://discourse.processing.org/t/i-am-getting-vulnerabilities-while-setting-up-the-p5-js-project/42893 "2023-12-22T11:15:57Z")

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When I tried to setup p5.js project locally. I followed the steps given in Contributor Guidelines. When I ran npm ci command, it showed me 17 vulnerabilities (5 moderate, 7 high, 5 critical) as given in the screenshot be…

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## [java.lang.ArrayIndexOutOfBoundsException](https://discourse.processing.org/t/java-lang-arrayindexoutofboundsexception/43529)

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**Author:** [@Kaluz](https://discourse.processing.org/u/Kaluz)\
**Replies:** 4\
**Last updated:** [December 22, 2023, 7:31am UTC](https://discourse.processing.org/t/java-lang-arrayindexoutofboundsexception/43529 "2023-12-22T07:31:48Z")

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Hello, i’m new here and a beginner in Java. Also english is not my native language, but i hope u can understand my problem. I have a problem with my code and can’t solve it myself. I get this error: “java.lang.ArrayIn…

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## [Enquiry for maintainers](https://discourse.processing.org/t/enquiry-for-maintainers/43527)

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**Author:** [@gunjjoshi](https://discourse.processing.org/u/gunjjoshi)\
**Replies:** 2\
**Last updated:** [December 21, 2023, 1:42pm UTC](https://discourse.processing.org/t/enquiry-for-maintainers/43527 "2023-12-21T13:42:16Z")

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Can I know who is the maintainer of the p5.js we-editor project ? I was trying to explore the codebase, and I want someone whom I can reach out for any queries.

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## [PGraphics thread issues](https://discourse.processing.org/t/pgraphics-thread-issues/43494)

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**Author:** [@Noodlybanan](https://discourse.processing.org/u/Noodlybanan)\
**Replies:** 2\
**Last updated:** [December 21, 2023, 12:42pm UTC](https://discourse.processing.org/t/pgraphics-thread-issues/43494 "2023-12-21T12:42:41Z")

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So, i have a program in processing, that creates a grid of pgraphics to use a canvas. Basically what it does, is loop through a list of different sized pgraphics, and in a thread creates a new pgraphics and sets the old…

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## [Feedback on PR/issue](https://discourse.processing.org/t/feedback-on-pr-issue/43187)

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**Author:** [@gunjjoshi](https://discourse.processing.org/u/gunjjoshi)\
**Replies:** 6\
**Last updated:** [November 21, 2023, 5:41am UTC](https://discourse.processing.org/t/feedback-on-pr-issue/43187 "2023-11-21T05:41:27Z")

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Hello, I had raised an issue in the processing website repository a few days back. After some days, I also made a PR for that issue. I haven’t got any feedback, comment or anything, neither on the issue, nor on the PR. …

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## [Processing do not see phone](https://discourse.processing.org/t/processing-do-not-see-phone/43526)

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**Author:** [@Laaz](https://discourse.processing.org/u/Laaz)\
**Replies:** 2\
**Last updated:** [December 20, 2023, 7:25pm UTC](https://discourse.processing.org/t/processing-do-not-see-phone/43526 "2023-12-20T19:25:02Z")

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hello everybody trying to write mobile app but when connected phone to notebook it doesn’t shows my phone in android selection menu. Using windows 10 64 and redmi 9 phone help pls

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## [Mouse interactions stop working on published page](https://discourse.processing.org/t/mouse-interactions-stop-working-on-published-page/43506)

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**Author:** [@holby](https://discourse.processing.org/u/holby)\
**Replies:** 1\
**Last updated:** [December 20, 2023, 4:04pm UTC](https://discourse.processing.org/t/mouse-interactions-stop-working-on-published-page/43506 "2023-12-20T16:04:06Z")

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Hello When I publish my sketch to a folder on my webhost, the mouse interactions stop functioning (they work in the editor): https://north-berlin.com/p5/ Can anyone see anything wrong here with this code? Thanks! va…

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## [Musical Notation Symbols?](https://discourse.processing.org/t/musical-notation-symbols/43483)

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**Author:** [@bachrock](https://discourse.processing.org/u/bachrock)\
**Replies:** 9\
**Last updated:** [December 20, 2023, 11:36am UTC](https://discourse.processing.org/t/musical-notation-symbols/43483 "2023-12-20T11:36:33Z")

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I would like to create a program that uses musical notation. What would the best way be to use musical notation in Processing?

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