# Latest

**URL:** https://discourse.processing.org/latest.md?page=122

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

**Page:** 123

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## [Error Playing Video on Raspberry 4 with AARCH64 processor](https://discourse.processing.org/t/error-playing-video-on-raspberry-4-with-aarch64-processor/37949)

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**Author:** [@aladin](https://discourse.processing.org/u/aladin)\
**Replies:** 1\
**Last updated:** [July 31, 2022, 5:40am UTC](https://discourse.processing.org/t/error-playing-video-on-raspberry-4-with-aarch64-processor/37949 "2022-07-31T05:40:52Z")

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I am trying to play a simple video on a raspberri pi 4 , I tried the native processing library but it literally gives the error " this library is not built for aarch64" . and I tried the GLVideo library and got a simila…

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## [TouchStarted() problem with mobile](https://discourse.processing.org/t/touchstarted-problem-with-mobile/38164)

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**Author:** [@FredGuillot](https://discourse.processing.org/u/FredGuillot)\
**Replies:** 4\
**Last updated:** [July 31, 2022, 2:14am UTC](https://discourse.processing.org/t/touchstarted-problem-with-mobile/38164 "2022-07-31T02:14:15Z")

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Hello, I have a sketch where I use the touchStarted() function, and it does not work with a mobile device (i.e.: nothing happen when I’m touching the screen). NOTE: when I run the same script with a compute, it works we…

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## [Does Processing work well in Mac M1](https://discourse.processing.org/t/does-processing-work-well-in-mac-m1/29678)

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**Author:** [@Vrishy](https://discourse.processing.org/u/Vrishy)\
**Replies:** 10\
**Last updated:** [July 31, 2022, 2:02am UTC](https://discourse.processing.org/t/does-processing-work-well-in-mac-m1/29678 "2022-07-31T02:02:34Z")

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Does Processing work well on Mac book with M1 processors? Any known issues?

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## [No library found for toxi.processing error](https://discourse.processing.org/t/no-library-found-for-toxi-processing-error/38113)

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**Author:** [@Lightwaveguy](https://discourse.processing.org/u/Lightwaveguy)\
**Replies:** 1\
**Last updated:** [July 31, 2022, 1:28am UTC](https://discourse.processing.org/t/no-library-found-for-toxi-processing-error/38113 "2022-07-31T01:28:45Z")

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I am trying to use a program in Processing to visualize the output from the MPU6050 gyro chip. This program is included with the examples in Arduino. I was originaly getting both a ,no library found for toxi.geom and a n…

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## [Faster way to draw part of an image?](https://discourse.processing.org/t/faster-way-to-draw-part-of-an-image/38140)

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**Author:** [@canslp](https://discourse.processing.org/u/canslp)\
**Replies:** 6\
**Last updated:** [July 30, 2022, 3:27pm UTC](https://discourse.processing.org/t/faster-way-to-draw-part-of-an-image/38140 "2022-07-30T15:27:49Z")

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i need to be able to draw the top part of an image, here’s what i have void drawImageSplice(PGraphics pg,PImage img,int x,int y,int w,int h,float cut){ int yp = round(h\*cut); if(yp\>0){ PGraphics buffer = createG…

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## [NullPointerException returned](https://discourse.processing.org/t/nullpointerexception-returned/31818)

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**Author:** [@MoonAlien822](https://discourse.processing.org/u/MoonAlien822)\
**Replies:** 6\
**Last updated:** [August 21, 2021, 1:45pm UTC](https://discourse.processing.org/t/nullpointerexception-returned/31818 "2021-08-21T13:45:06Z")

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why does the following code return NullPointerException? int fistleft=1; int fistright=2; int clapleft=3; int clapright=4; int choice1; int choice2; int\[\] correct; int i=0; void draw(){ //zet choice1 en choice2 naa…

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## [Saving partial display for showing and hiding](https://discourse.processing.org/t/saving-partial-display-for-showing-and-hiding/38161)

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**Author:** [@demir](https://discourse.processing.org/u/demir)\
**Replies:** 0\
**Last updated:** [July 30, 2022, 9:18am UTC](https://discourse.processing.org/t/saving-partial-display-for-showing-and-hiding/38161 "2022-07-30T09:18:12Z")

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I have a main window and 6 extra windows which are opened from the main window via a menu. I can save and restore a partial view in the main window. How can I do the same with the extra windows? I have established 6 P…

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## [Minimising p5.min.js further for production](https://discourse.processing.org/t/minimising-p5-min-js-further-for-production/38158)

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**Author:** [@khan360](https://discourse.processing.org/u/khan360)\
**Replies:** 1\
**Last updated:** [July 30, 2022, 6:29am UTC](https://discourse.processing.org/t/minimising-p5-min-js-further-for-production/38158 "2022-07-30T06:29:01Z")

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So as of today, p5.js is on version 1.4.2 and the minified file stands at a whopping 804KB filesize. I am a website developer and have been learning and getting better at it since some months now and want to use it on c…

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## [Image download: java certificate error](https://discourse.processing.org/t/image-download-java-certificate-error/36901)

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**Author:** [@jetjaguar](https://discourse.processing.org/u/jetjaguar)\
**Replies:** 8\
**Last updated:** [July 29, 2022, 9:07pm UTC](https://discourse.processing.org/t/image-download-java-certificate-error/36901 "2022-07-29T21:07:56Z")

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Hello everyone! I have some code that downloads images from external servers, and it has always worked great… until now. It appears that there is an issue with their java certificate and I’ve been trying find a work aro…

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## [Research Study on Version Control Tool for Processing](https://discourse.processing.org/t/research-study-on-version-control-tool-for-processing/38063)

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**Author:** [@erawn](https://discourse.processing.org/u/erawn)\
**Replies:** 1\
**Last updated:** [July 29, 2022, 12:31pm UTC](https://discourse.processing.org/t/research-study-on-version-control-tool-for-processing/38063 "2022-07-29T12:31:23Z")

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Hi! My name is Eric Rawn – I’m a PhD Student in Computer Science at UC Berkeley. I, along with my collaborators, have been building a version control tool for Processing designed for the exploratory and improvisational c…

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## [Make Arduino and PIR motion sensor work in Processing code with Boolean expression](https://discourse.processing.org/t/make-arduino-and-pir-motion-sensor-work-in-processing-code-with-boolean-expression/23978)

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**Author:** [@Jonathan\_2](https://discourse.processing.org/u/Jonathan_2)\
**Replies:** 10\
**Last updated:** [July 28, 2022, 10:18am UTC](https://discourse.processing.org/t/make-arduino-and-pir-motion-sensor-work-in-processing-code-with-boolean-expression/23978 "2022-07-28T10:18:01Z")

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Hey! I am working on a code, that I will use as a part of an artwork. Basically the code is taking a random word from a text file and putting it on the screen every time the mouse is clicked. This works as you see with …

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## [For Loop in Processing (snake game)](https://discourse.processing.org/t/for-loop-in-processing-snake-game/38059)

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**Author:** [@ikay](https://discourse.processing.org/u/ikay)\
**Replies:** 6\
**Last updated:** [July 28, 2022, 6:55am UTC](https://discourse.processing.org/t/for-loop-in-processing-snake-game/38059 "2022-07-28T06:55:43Z")

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hey i have a code and i’m trying to create a loop to draw 3 ellipses int SNAKE\_SIZE =20,SNAKE\_LENGTH=4; void setup(){ size(500,500); } //ellipse(250,250,SNAKE\_SIZE,SNAKE\_SIZE); //ellipse(250,270,SNAKE\_SIZE,SNAKE\_SI…

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## [Processing for Android not compatible](https://discourse.processing.org/t/processing-for-android-not-compatible/38115)

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**Author:** [@jackeddielove](https://discourse.processing.org/u/jackeddielove)\
**Replies:** 3\
**Last updated:** [July 27, 2022, 9:27pm UTC](https://discourse.processing.org/t/processing-for-android-not-compatible/38115 "2022-07-27T21:27:02Z")

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Trying to install Android Mode. Getting the message 4.5.0a5 not compatible. I have processing 4.0b7.

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## [Periodic Tilings with Regular Polygons](https://discourse.processing.org/t/periodic-tilings-with-regular-polygons/38127)

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**Author:** [@villares](https://discourse.processing.org/u/villares)\
**Replies:** 0\
**Last updated:** [July 27, 2022, 8:34pm UTC](https://discourse.processing.org/t/periodic-tilings-with-regular-polygons/38127 "2022-07-27T20:34:31Z")

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Yesterday we had a great online meetup with Prof. José Ezequiel Soto Sánchez about his specialty Periodic Tilings with Regular Polygons Twitter thread here: https://twitter.com/villares/status/1552374449697169408 Pr…

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## [Seeking input for an introductory Processing workshop](https://discourse.processing.org/t/seeking-input-for-an-introductory-processing-workshop/38126)

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**Author:** [@Jim-Plaxco-Artsnova](https://discourse.processing.org/u/Jim-Plaxco-Artsnova)\
**Replies:** 0\
**Last updated:** [July 27, 2022, 7:44pm UTC](https://discourse.processing.org/t/seeking-input-for-an-introductory-processing-workshop/38126 "2022-07-27T19:44:58Z")

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Hi everyone, At an upcoming science fiction convention I’ll be doing a workshop introduction to generative art and Processing. My question for you is this: thinking back to when you were first learning Processing: W…

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## [Fourier image analysis in P5](https://discourse.processing.org/t/fourier-image-analysis-in-p5/38121)

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**Author:** [@scannerlicker](https://discourse.processing.org/u/scannerlicker)\
**Replies:** 0\
**Last updated:** [July 27, 2022, 4:10pm UTC](https://discourse.processing.org/t/fourier-image-analysis-in-p5/38121 "2022-07-27T16:10:39Z")

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Hello everyone! I’ve been trying to make a little diffraction simulator and I’m struggling with finding 2D FFT and IFFT libraries to work along with P5. The program I’m trying to do should do the following: Get a FFT…

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## [P5.js 2022 Showcase is Open for Submissions!](https://discourse.processing.org/t/p5-js-2022-showcase-is-open-for-submissions/38124)

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**Author:** [@anniezheng](https://discourse.processing.org/u/anniezheng)\
**Replies:** 0\
**Last updated:** [July 27, 2022, 6:40pm UTC](https://discourse.processing.org/t/p5-js-2022-showcase-is-open-for-submissions/38124 "2022-07-27T18:40:55Z")

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Hello everyone! We are so excited to bring back the fourth iteration of the annual p5.js Showcase this summer! This time, the showcase will be organized under the theme of . With this in mind, we will be looking for proj…

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## [macOS Monterey won't reconnect to HC-05 Bluetooth without removing/re-pairing each time](https://discourse.processing.org/t/macos-monterey-wont-reconnect-to-hc-05-bluetooth-without-removing-re-pairing-each-time/38119)

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**Author:** [@ctiptonk](https://discourse.processing.org/u/ctiptonk)\
**Replies:** 0\
**Last updated:** [July 27, 2022, 11:09am UTC](https://discourse.processing.org/t/macos-monterey-wont-reconnect-to-hc-05-bluetooth-without-removing-re-pairing-each-time/38119 "2022-07-27T11:09:15Z")

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I’m working on remote operated camera pan/tilt device that uses a HC-05 Bluetooth module to connect a GUI written in Processing and running on a Mac to an Arduino. Everything works great when I first pair the HC-05, but …

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## [P5.js Copy Tool](https://discourse.processing.org/t/p5-js-copy-tool/38109)

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**Author:** [@courserastudent16](https://discourse.processing.org/u/courserastudent16)\
**Replies:** 2\
**Last updated:** [July 27, 2022, 8:34am UTC](https://discourse.processing.org/t/p5-js-copy-tool/38109 "2022-07-27T08:34:29Z")

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Hello, I hope everyone is doing well. I’m trying to create a copy tool using P5.js. I’m using a constructor function to make the tool. What should I add to this function below? I want the copy button to work shapes. …

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## [P5.js Text Box Tool](https://discourse.processing.org/t/p5-js-text-box-tool/38092)

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**Author:** [@courserastudent16](https://discourse.processing.org/u/courserastudent16)\
**Replies:** 6\
**Last updated:** [July 26, 2022, 4:26pm UTC](https://discourse.processing.org/t/p5-js-text-box-tool/38092 "2022-07-26T16:26:18Z")

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Hello, I hope everyone is doing well. I’m trying to create a textbox using P5.js. I’m using a constructor function to make the tool. Please let me know what I’m doing here. function textBox(p) { this.name = 'textB…

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## [Best and fastest way to access objects in real-time for interaction with incoming messages](https://discourse.processing.org/t/best-and-fastest-way-to-access-objects-in-real-time-for-interaction-with-incoming-messages/38107)

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**Author:** [@fedpep](https://discourse.processing.org/u/fedpep)\
**Replies:** 12\
**Last updated:** [July 26, 2022, 1:24pm UTC](https://discourse.processing.org/t/best-and-fastest-way-to-access-objects-in-real-time-for-interaction-with-incoming-messages/38107 "2022-07-26T13:24:39Z")

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Hi everybody, I recently started working on a project I had had in mind for quite some time. I have reached a good point but now that I have to integrate the interactive part, I have a doubt. This is the idea: I’m creat…

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## [Electric Dreams: Computational Media Arts online Symposium and Exhibition 25-26 Aug 2022](https://discourse.processing.org/t/electric-dreams-computational-media-arts-online-symposium-and-exhibition-25-26-aug-2022/38106)

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**Author:** [@lobodelmar](https://discourse.processing.org/u/lobodelmar)\
**Replies:** 0\
**Last updated:** [July 26, 2022, 9:21am UTC](https://discourse.processing.org/t/electric-dreams-computational-media-arts-online-symposium-and-exhibition-25-26-aug-2022/38106 "2022-07-26T09:21:03Z")

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Electric Dreams - 1st CMA International Symposium and Exhibition Dates: Online symposium: 25 - 26th Aug 2022 Virtual exhibition: runs online from August 25th 2022 to June 2023 Location: Due to travel restrictions i…

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## [JOGL Error when running Processing 4.0b8 on external IDE with Apple Silicon](https://discourse.processing.org/t/jogl-error-when-running-processing-4-0b8-on-external-ide-with-apple-silicon/38087)

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**Author:** [@shishironeal](https://discourse.processing.org/u/shishironeal)\
**Replies:** 4\
**Last updated:** [July 26, 2022, 7:44am UTC](https://discourse.processing.org/t/jogl-error-when-running-processing-4-0b8-on-external-ide-with-apple-silicon/38087 "2022-07-26T07:44:56Z")

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I originally had a repo for Windows that was working perfectly and I assumed that all I had to do was clone the repo and change the x86 jars to ARM, and that worked for Processing but IntelliJ isn’t recognizing Jogamp. …

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## [Noise\_ImageGrid](https://discourse.processing.org/t/noise-imagegrid/38104)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 0\
**Last updated:** [July 25, 2022, 5:30pm UTC](https://discourse.processing.org/t/noise-imagegrid/38104 "2022-07-25T17:30:54Z")

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The following demo will create an image grid of variable size using unique images created with a noise generator and saved to the sketch folder. Extreme settings may exceed the pixel buffer and require an increase in si…

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## [Monet Art loop issue](https://discourse.processing.org/t/monet-art-loop-issue/38089)

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**Author:** [@druchtie](https://discourse.processing.org/u/druchtie)\
**Replies:** 9\
**Last updated:** [July 25, 2022, 6:56pm UTC](https://discourse.processing.org/t/monet-art-loop-issue/38089 "2022-07-25T18:56:30Z")

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Hi, I have been watching some tutorials this weekend and came across a tutorial that I started to tweak to create some Monet-like artworks from my pictures. The only problem is that it has some strange behavior on the ri…

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## [“Processing.app” can’t be opened because Apple cannot check it for malicious software](https://discourse.processing.org/t/processing-app-can-t-be-opened-because-apple-cannot-check-it-for-malicious-software/18967)

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**Author:** [@sangshen](https://discourse.processing.org/u/sangshen)\
**Replies:** 4\
**Last updated:** [July 25, 2022, 5:12pm UTC](https://discourse.processing.org/t/processing-app-can-t-be-opened-because-apple-cannot-check-it-for-malicious-software/18967 "2022-07-25T17:12:24Z")

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Today I downloaded the newest version , but when I open the processing.app , it showed a window like this . " “Processing.app” can’t be opened because Apple cannot check it for malicious software." I feel puzzled . Di…

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## [How to move an object created on a loop](https://discourse.processing.org/t/how-to-move-an-object-created-on-a-loop/38034)

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**Author:** [@Ghost2](https://discourse.processing.org/u/Ghost2)\
**Replies:** 7\
**Last updated:** [July 25, 2022, 4:40pm UTC](https://discourse.processing.org/t/how-to-move-an-object-created-on-a-loop/38034 "2022-07-25T16:40:49Z")

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I have this piece of code where i am trying to move an object i.e three dots created by a for loop and i want to move the dots when mouse is pressed eg. Move the dots like dot++.If anyone can help me it would be great\\ …

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## [Processing stop button doesn't close sketch window](https://discourse.processing.org/t/processing-stop-button-doesnt-close-sketch-window/38084)

<div class="topic-metadata">

**Author:** [@TipTop](https://discourse.processing.org/u/TipTop)\
**Replies:** 2\
**Last updated:** [July 25, 2022, 1:20pm UTC](https://discourse.processing.org/t/processing-stop-button-doesnt-close-sketch-window/38084 "2022-07-25T13:20:49Z")

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Hello, I expected that the sketch window would close when the stop button is pressed, as I believe it does with Java and p5 sketches. However, that does not seem to be the case with python sketches. Is this expected …

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## [P5.js Redo Tool](https://discourse.processing.org/t/p5-js-redo-tool/38095)

<div class="topic-metadata">

**Author:** [@courserastudent16](https://discourse.processing.org/u/courserastudent16)\
**Replies:** 2\
**Last updated:** [July 25, 2022, 10:29am UTC](https://discourse.processing.org/t/p5-js-redo-tool/38095 "2022-07-25T10:29:08Z")

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Hello, I hope everyone is doing well. I’m trying to create a redo tool using P5.js. I’m using a constructor function to make the tool. What should I add to this function below? I want the redo button to work shapes. …

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## [P5.js Undo Tool](https://discourse.processing.org/t/p5-js-undo-tool/38093)

<div class="topic-metadata">

**Author:** [@courserastudent16](https://discourse.processing.org/u/courserastudent16)\
**Replies:** 3\
**Last updated:** [July 25, 2022, 10:24am UTC](https://discourse.processing.org/t/p5-js-undo-tool/38093 "2022-07-25T10:24:39Z")

</div>

Hello, I hope everyone is doing well. I’m trying to create an undo tool using P5.js. I’m using a constructor function to make the tool. What should I add to this function below? I want the undo button to work shapes. …

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