# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?no_subcategories=false&page=92

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

**Page:** 93

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## [Client socket nonsense](https://discourse.processing.org/t/client-socket-nonsense/33635)

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**Author:** [@joepekoe](https://discourse.processing.org/u/joepekoe)\
**Replies:** 1\
**Last updated:** [February 11, 2022, 10:37am UTC](https://discourse.processing.org/t/client-socket-nonsense/33635 "2022-02-11T10:37:09Z")

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Processing version: 3.5.4 Client got end-of-stream. Client SocketException: Socket closed Socket exception handling in Processing has proven to be nothing less than frustrating and an annoyance. An electronic chase a…

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## [Problems with noise flow field](https://discourse.processing.org/t/problems-with-noise-flow-field/35082)

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**Author:** [@alex119](https://discourse.processing.org/u/alex119)\
**Replies:** 0\
**Last updated:** [February 10, 2022, 9:28pm UTC](https://discourse.processing.org/t/problems-with-noise-flow-field/35082 "2022-02-10T21:28:49Z")

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Hello, I try to follow the Perlin noise flow field video: I have a weird behaviour and I don’t understand why. First, here is the code, similar to the one from the video: flow\_field file: int cols, rows;…

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## [Drawing inside a shape](https://discourse.processing.org/t/drawing-inside-a-shape/34685)

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**Author:** [@yalaniv](https://discourse.processing.org/u/yalaniv)\
**Replies:** 10\
**Last updated:** [February 10, 2022, 7:13am UTC](https://discourse.processing.org/t/drawing-inside-a-shape/34685 "2022-02-10T07:13:32Z")

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I want to paint inside a shape. let me explain : I want to write a big word on the screen, for example: BEST and I want to paint only in the parts of the letters (imagine that I paint on all the size of screen, than …

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## [Telling the computer to hold down a key](https://discourse.processing.org/t/telling-the-computer-to-hold-down-a-key/34945)

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**Author:** [@Grumpy\_Mike](https://discourse.processing.org/u/Grumpy_Mike)\
**Replies:** 10\
**Last updated:** [February 9, 2022, 11:40pm UTC](https://discourse.processing.org/t/telling-the-computer-to-hold-down-a-key/34945 "2022-02-09T23:40:37Z")

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I have a friend who is disabled and can only use a commercial head mounted mouth joystick. With this he can use his tong to move the mouse pointer, and a blow down the tube for a click. Unfortunately he can’t do a doubl…

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## [Processing 4 beta 4 crash on start](https://discourse.processing.org/t/processing-4-beta-4-crash-on-start/34872)

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**Author:** [@hamoid](https://discourse.processing.org/u/hamoid)\
**Replies:** 1\
**Last updated:** [February 9, 2022, 11:43am UTC](https://discourse.processing.org/t/processing-4-beta-4-crash-on-start/34872 "2022-02-09T11:43:54Z")

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Hi :slight\_smile: Downloaded Processing 4 beta 4, tried running it from the terminal and I’m greeted with this window, then it closes. Ubuntu 21.04. Any ideas? Not urgent, just wondering if an issue should be created on …

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## [Getting data from Home wireless sensors](https://discourse.processing.org/t/getting-data-from-home-wireless-sensors/35063)

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**Author:** [@PeterMc](https://discourse.processing.org/u/PeterMc)\
**Replies:** 0\
**Last updated:** [February 9, 2022, 11:01am UTC](https://discourse.processing.org/t/getting-data-from-home-wireless-sensors/35063 "2022-02-09T11:01:35Z")

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has anyone managed to access data from a home sensor like the Ikea motion sensor (or similar)? If so how to you do it?

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## [Performance issue when rendering multiple objects](https://discourse.processing.org/t/performance-issue-when-rendering-multiple-objects/34895)

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**Author:** [@CaptainChameleon](https://discourse.processing.org/u/CaptainChameleon)\
**Replies:** 8\
**Last updated:** [February 9, 2022, 9:46am UTC](https://discourse.processing.org/t/performance-issue-when-rendering-multiple-objects/34895 "2022-02-09T09:46:13Z")

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Hello there! I’m trying to recreate the solar system with Processing using somewhat realistic proportions (at scale) and real astronomical data. My goal is to instill a feeling of vastness; users should get an approximat…

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## [How do i take a input that is space separated?](https://discourse.processing.org/t/how-do-i-take-a-input-that-is-space-separated/34905)

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**Author:** [@Zan](https://discourse.processing.org/u/Zan)\
**Replies:** 25\
**Last updated:** [February 9, 2022, 9:40am UTC](https://discourse.processing.org/t/how-do-i-take-a-input-that-is-space-separated/34905 "2022-02-09T09:40:18Z")

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please format code with \</\> button \* homework policy \* asking questions Hi, can anyone advise me on How do I take input that is space-separated? and then putting in a for loop to draw a circle

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## [Empty pixels array when playing a movie](https://discourse.processing.org/t/empty-pixels-array-when-playing-a-movie/24235)

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**Author:** [@protagoras](https://discourse.processing.org/u/protagoras)\
**Replies:** 3\
**Last updated:** [February 9, 2022, 9:36am UTC](https://discourse.processing.org/t/empty-pixels-array-when-playing-a-movie/24235 "2022-02-09T09:36:32Z")

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Hi there, I’m trying to mess with some video using Processing, but I get an error whenever I try to use video.pixels, even after doing video.loadPixels() import processing.video.\*; Movie video; void setup() { loadP…

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## [Animating spiral](https://discourse.processing.org/t/animating-spiral/35056)

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**Author:** [@Prokyovec](https://discourse.processing.org/u/Prokyovec)\
**Replies:** 0\
**Last updated:** [February 8, 2022, 11:47pm UTC](https://discourse.processing.org/t/animating-spiral/35056 "2022-02-08T23:47:23Z")

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Hey Everyone! I am a beginner in Processing and I have a homework to do which has to be done till friday xdd The point is I dont know what to do and I need your help :d Here is the final result how it should look like. …

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## [Processing 4. Change editor window colour?](https://discourse.processing.org/t/processing-4-change-editor-window-colour/31717)

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**Author:** [@JSGauthier](https://discourse.processing.org/u/JSGauthier)\
**Replies:** 9\
**Last updated:** [February 8, 2022, 6:53pm UTC](https://discourse.processing.org/t/processing-4-change-editor-window-colour/31717 "2022-02-08T18:53:17Z")

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Hi there, Does anyone know hw to change the background colour in the editor window on P4 to a darker colour? I find the new tone of blue too bright and it tires my eyes. Thanks, JS

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## [Bug with points?](https://discourse.processing.org/t/bug-with-points/35046)

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**Author:** [@hanslas](https://discourse.processing.org/u/hanslas)\
**Replies:** 1\
**Last updated:** [February 8, 2022, 4:09pm UTC](https://discourse.processing.org/t/bug-with-points/35046 "2022-02-08T16:09:21Z")

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I’ve tried this very simple code during a Processing introduction course One of the students has a windows machine with a windows build 1904.1466 on it it turns out that the drawn line (so the points) at the last part…

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## [If statements in array](https://discourse.processing.org/t/if-statements-in-array/34670)

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**Author:** [@Jimma](https://discourse.processing.org/u/Jimma)\
**Replies:** 2\
**Last updated:** [February 8, 2022, 1:03pm UTC](https://discourse.processing.org/t/if-statements-in-array/34670 "2022-02-08T13:03:26Z")

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Hi all, First of all I am very inexperienced with processing and this is a first attempt to create a simple set of rules. My goal is to transfer between various states (A,B,C,D) and finally make the program terminate it…

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## [Switch audio playing on face distance from cam](https://discourse.processing.org/t/switch-audio-playing-on-face-distance-from-cam/35027)

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**Author:** [@LooSiuni](https://discourse.processing.org/u/LooSiuni)\
**Replies:** 4\
**Last updated:** [February 8, 2022, 9:48am UTC](https://discourse.processing.org/t/switch-audio-playing-on-face-distance-from-cam/35027 "2022-02-08T09:48:33Z")

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So I have a code I am writing where I use OpenCV for face detection and I am switching between 2 scenes depending on the distance the face is from the camera. But I have to put one audio file to play for each of these, a…

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## [Void error what is wrong?](https://discourse.processing.org/t/void-error-what-is-wrong/35030)

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**Author:** [@SharkJulen](https://discourse.processing.org/u/SharkJulen)\
**Replies:** 5\
**Last updated:** [February 7, 2022, 9:38pm UTC](https://discourse.processing.org/t/void-error-what-is-wrong/35030 "2022-02-07T21:38:15Z")

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please format code with \</\> button \* homework policy \* asking questions int y=290; int z=2; PImage pista1; PImage chico2; int contador=0; int x=0; int y=0; boolean clic=false void setup(){ size(600,400); pi…

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## [Gluegen\_rt.dll: Can't find dependent libraries](https://discourse.processing.org/t/gluegen-rt-dll-cant-find-dependent-libraries/32971)

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**Author:** [@yalaniv](https://discourse.processing.org/u/yalaniv)\
**Replies:** 3\
**Last updated:** [February 7, 2022, 6:08pm UTC](https://discourse.processing.org/t/gluegen-rt-dll-cant-find-dependent-libraries/32971 "2022-02-07T18:08:44Z")

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I am trying to run some code someone gave me as an answer for a question, and I got the error attached at the end. When I search for the line in the subject in Google, I find answers that I am trying to run 32bit code o…

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## [Image tracking processing](https://discourse.processing.org/t/image-tracking-processing/34864)

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**Author:** [@doni](https://discourse.processing.org/u/doni)\
**Replies:** 21\
**Last updated:** [February 1, 2022, 8:55am UTC](https://discourse.processing.org/t/image-tracking-processing/34864 "2022-02-01T08:55:05Z")

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hi forum. i just combining processing code brightest tracking to send x val to arduino but the servo wont move. this is the code import processing.video.\*; import processing.serial.\*; //import the serial library Captur…

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## [Opening assets inside folders](https://discourse.processing.org/t/opening-assets-inside-folders/35010)

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**Author:** [@JoseMY](https://discourse.processing.org/u/JoseMY)\
**Replies:** 3\
**Last updated:** [February 7, 2022, 7:15am UTC](https://discourse.processing.org/t/opening-assets-inside-folders/35010 "2022-02-07T07:15:03Z")

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Hi! I’m doing a big project using processing. I have a bunch of files containing assets, and I want to store them in data folder/font\_assets data folder/sprite assets etc. But when I try to load them, everything fai…

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## [Displaying, exporting generated svgs](https://discourse.processing.org/t/displaying-exporting-generated-svgs/35015)

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**Author:** [@bcabc](https://discourse.processing.org/u/bcabc)\
**Replies:** 1\
**Last updated:** [February 7, 2022, 6:22am UTC](https://discourse.processing.org/t/displaying-exporting-generated-svgs/35015 "2022-02-07T06:22:10Z")

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hi there - i have been through the examples of exporting svgs from processing, at this url: https://processing.org/reference/libraries/svg/index.html i am looking for a solution that falls between these examples, thou…

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## [How to hide one side of a vertex?](https://discourse.processing.org/t/how-to-hide-one-side-of-a-vertex/34857)

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**Author:** [@xerneas02](https://discourse.processing.org/u/xerneas02)\
**Replies:** 1\
**Last updated:** [February 6, 2022, 2:06pm UTC](https://discourse.processing.org/t/how-to-hide-one-side-of-a-vertex/34857 "2022-02-06T14:06:16Z")

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Hello, I am working on little 3D project in processing and to do so i have create a cube using vertex (i don’t use box cause i want to be able to hide each face of the cube indivdualy) and i was wondering if it’s possib…

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## [Windows64 export application is massive](https://discourse.processing.org/t/windows64-export-application-is-massive/35006)

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**Author:** [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)\
**Replies:** 2\
**Last updated:** [February 6, 2022, 1:40pm UTC](https://discourse.processing.org/t/windows64-export-application-is-massive/35006 "2022-02-06T13:40:22Z")

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Not really sure which tag to use but yeah. So I made a project that I want to show to a friend, however, he doesn’t have processing installed. So I exported the application and checked the files. the windows64 version w…

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## [Serial Routine Crashing with Latest Java jre-8u261](https://discourse.processing.org/t/serial-routine-crashing-with-latest-java-jre-8u261/22798)

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**Author:** [@PhilHaw](https://discourse.processing.org/u/PhilHaw)\
**Replies:** 10\
**Last updated:** [February 6, 2022, 1:39pm UTC](https://discourse.processing.org/t/serial-routine-crashing-with-latest-java-jre-8u261/22798 "2022-02-06T13:39:14Z")

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After updating Java to the latest version jre8u261 a couple of my Processing apps now crash when I try to open a Serial (COM) port. They worked fine with jre8u251 that I had installed. The apps run ok in the Processing …

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## [updatePixels() on P3D texture](https://discourse.processing.org/t/updatepixels-on-p3d-texture/34978)

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**Author:** [@garrettlynch](https://discourse.processing.org/u/garrettlynch)\
**Replies:** 4\
**Last updated:** [February 6, 2022, 1:23pm UTC](https://discourse.processing.org/t/updatepixels-on-p3d-texture/34978 "2022-02-06T13:23:11Z")

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Hi Is it possible to updatePixels() of a texture in P3D? Here is what I have but I’m only getting a black image or no image - works just fine if I load an image from file. I have tried moving setTexture to draw() to for…

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## [Sphere caused an error: A library relies on native code that's not available](https://discourse.processing.org/t/sphere-caused-an-error-a-library-relies-on-native-code-thats-not-available/35007)

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**Author:** [@yalaniv](https://discourse.processing.org/u/yalaniv)\
**Replies:** 0\
**Last updated:** [February 6, 2022, 12:33pm UTC](https://discourse.processing.org/t/sphere-caused-an-error-a-library-relies-on-native-code-thats-not-available/35007 "2022-02-06T12:33:07Z")

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I copied a code from the examples: size(400, 400, P3D); noStroke(); lights(); translate(232, 192, 0); sphere(112); and got an error: A library relies on native code that’s not available. Or only works properly when t…

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## [Needing help with coding an object following the player by turning towards him](https://discourse.processing.org/t/needing-help-with-coding-an-object-following-the-player-by-turning-towards-him/34997)

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**Author:** [@SailorToei](https://discourse.processing.org/u/SailorToei)\
**Replies:** 4\
**Last updated:** [February 6, 2022, 12:19pm UTC](https://discourse.processing.org/t/needing-help-with-coding-an-object-following-the-player-by-turning-towards-him/34997 "2022-02-06T12:19:34Z")

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Hello, originally this is a problem I found when doing 3D games. I got the formula xPos=sin(turn)\*speed+xPos and zPos=cos(turn)\*speed+zPos from here, it is a formula to move a playable figure. The turn is made from the c…

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## [O P5.js \> websocket \> Processing \> OSC \> Unity](https://discourse.processing.org/t/o-p5-js-websocket-processing-osc-unity/35004)

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**Author:** [@MaxMax](https://discourse.processing.org/u/MaxMax)\
**Replies:** 0\
**Last updated:** [February 6, 2022, 9:55am UTC](https://discourse.processing.org/t/o-p5-js-websocket-processing-osc-unity/35004 "2022-02-06T09:55:11Z")

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Hi I need to send messages to different proccesing files and Unity + a websocket. I just can’t figure out how to send the received data from the websocket over to the processing file. This is my websocket: import webso…

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## [I have an error with divide (float issue)](https://discourse.processing.org/t/i-have-an-error-with-divide-float-issue/34762)

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**Author:** [@yalaniv](https://discourse.processing.org/u/yalaniv)\
**Replies:** 3\
**Last updated:** [February 6, 2022, 11:48am UTC](https://discourse.processing.org/t/i-have-an-error-with-divide-float-issue/34762 "2022-02-06T11:48:46Z")

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I had a problem with a code, so I wrote a small one, and when I run it, it print 0.0, instead 0.2 What am I missing? void setup(){ noLoop(); } void draw(){ float a = 2/10; println(a); }

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## [Time Difference](https://discourse.processing.org/t/time-difference/34858)

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**Author:** [@Bunnytoes](https://discourse.processing.org/u/Bunnytoes)\
**Replies:** 6\
**Last updated:** [February 5, 2022, 11:02pm UTC](https://discourse.processing.org/t/time-difference/34858 "2022-02-05T23:02:26Z")

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I want to get a change in time, but I don’t know how to do that in processing (in java I know there is Instant.Now but what is there in processing)?

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## [Windows processing.exe](https://discourse.processing.org/t/windows-processing-exe/34832)

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**Author:** [@Bunnytoes](https://discourse.processing.org/u/Bunnytoes)\
**Replies:** 4\
**Last updated:** [February 5, 2022, 11:00pm UTC](https://discourse.processing.org/t/windows-processing-exe/34832 "2022-02-05T23:00:43Z")

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On my windows pc I have downloaded the processing 4 file and whenever I try to run the processing.exe file it doesn’t work, and I need it to run to be able use it. I unzipped the file and everything, but it still won’t …

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## [New to class and need a project](https://discourse.processing.org/t/new-to-class-and-need-a-project/34972)

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**Author:** [@SharkJulen](https://discourse.processing.org/u/SharkJulen)\
**Replies:** 5\
**Last updated:** [February 5, 2022, 2:47pm UTC](https://discourse.processing.org/t/new-to-class-and-need-a-project/34972 "2022-02-05T14:47:56Z")

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Hello, I have come to a new institute because I have changed and I chose ICT. They ask me for processing but I have no idea and the work counts for 30% of the grade. Help :frowning: This I have to do: Draw on a light…

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