# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=60

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

**Page:** 61

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## [Creative Coding P5.js, Processing, OpenFrameworks tutor available](https://discourse.processing.org/t/creative-coding-p5-js-processing-openframeworks-tutor-available/42840)

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**Author:** [@bananana](https://discourse.processing.org/u/bananana)\
**Replies:** 0\
**Last updated:** [September 27, 2023, 1:35am UTC](https://discourse.processing.org/t/creative-coding-p5-js-processing-openframeworks-tutor-available/42840 "2023-09-27T01:35:12Z")

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Hi i’m an experienced creative coder and educator available for online tutoring sessions. So if you’re just starting your creative coding journey or need some technical advice for a project then drop me an email: learncr…

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## [How do i convert array to ArrayList?](https://discourse.processing.org/t/how-do-i-convert-array-to-arraylist/42839)

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**Author:** [@AniManOtaku](https://discourse.processing.org/u/AniManOtaku)\
**Replies:** 4\
**Last updated:** [September 26, 2023, 6:04pm UTC](https://discourse.processing.org/t/how-do-i-convert-array-to-arraylist/42839 "2023-09-26T18:04:04Z")

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Please i need to know

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## [SVG export fails to produce wanted output](https://discourse.processing.org/t/svg-export-fails-to-produce-wanted-output/42838)

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**Author:** [@appas](https://discourse.processing.org/u/appas)\
**Replies:** 4\
**Last updated:** [September 26, 2023, 5:42pm UTC](https://discourse.processing.org/t/svg-export-fails-to-produce-wanted-output/42838 "2023-09-26T17:42:42Z")

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Hi, I am trying to export an image drawn by my sketch as SVG. The export runs through, but the result is wrong. Here is the output of the sketch in the render window: …and here is the exported image as rendered by b…

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## [Video library archlinux libsoup errors](https://discourse.processing.org/t/video-library-archlinux-libsoup-errors/42821)

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**Author:** [@coding](https://discourse.processing.org/u/coding)\
**Replies:** 3\
**Last updated:** [September 26, 2023, 3:40pm UTC](https://discourse.processing.org/t/video-library-archlinux-libsoup-errors/42821 "2023-09-26T15:40:59Z")

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Greetings. Example video library sketches (Capture and Movie) all fail to run on archlinux with conflicting libsoup2 & libsoup3. I’d like to get them working, but cannot find a fix like here: Cant install gintro on Arch…

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## [Load obj files with mtl colours](https://discourse.processing.org/t/load-obj-files-with-mtl-colours/42825)

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**Author:** [@discuss9128](https://discourse.processing.org/u/discuss9128)\
**Replies:** 0\
**Last updated:** [September 25, 2023, 6:23am UTC](https://discourse.processing.org/t/load-obj-files-with-mtl-colours/42825 "2023-09-25T06:23:44Z")

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Hi, I have some models in obj format, with mtl files specifying colours for faces (like this). p5 doesn’t support support mtl files, however. I could write a bit of code to process the mtl files, but what’s the best way…

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## [Questions regarding complicated Processing stuff (Java Pen Tablet Access Library etc.)](https://discourse.processing.org/t/questions-regarding-complicated-processing-stuff-java-pen-tablet-access-library-etc/42817)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 8\
**Last updated:** [September 24, 2023, 7:52pm UTC](https://discourse.processing.org/t/questions-regarding-complicated-processing-stuff-java-pen-tablet-access-library-etc/42817 "2023-09-24T19:52:10Z")

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I have a few question regarding processing in generall! :slight\_smile: Is it possible to show a progress bar on task manager window? Is it possible to make the app name be something different then “java openjdk 20”? I…

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## [Arcs and angles with PI (wings)](https://discourse.processing.org/t/arcs-and-angles-with-pi-wings/42797)

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**Author:** [@humano](https://discourse.processing.org/u/humano)\
**Replies:** 17\
**Last updated:** [September 23, 2023, 8:13pm UTC](https://discourse.processing.org/t/arcs-and-angles-with-pi-wings/42797 "2023-09-23T20:13:55Z")

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Hi there! I’m trying to draw some arcs with right angle, but I can’t understand how to use PI in processing. Doing some test I was able to make an angle from 0 to 90°, but I don’t know how to draw another from 135° to 45…

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## [Send form p5.js data from domain page to ESP8266 webserver](https://discourse.processing.org/t/send-form-p5-js-data-from-domain-page-to-esp8266-webserver/42794)

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**Author:** [@samjm](https://discourse.processing.org/u/samjm)\
**Replies:** 0\
**Last updated:** [September 19, 2023, 6:06pm UTC](https://discourse.processing.org/t/send-form-p5-js-data-from-domain-page-to-esp8266-webserver/42794 "2023-09-19T18:06:11Z")

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i have a p5.js speech recognition program hosted on a domain page. I want to send the regnised words to a esp8266 webser through an android browser running on a diffferent isp service,\\ . the ip for the domain page is d…

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## [Shader from shadertoy : buffer issue and lots of strange differences](https://discourse.processing.org/t/shader-from-shadertoy-buffer-issue-and-lots-of-strange-differences/4276)

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**Author:** [@Adrien](https://discourse.processing.org/u/Adrien)\
**Replies:** 13\
**Last updated:** [September 22, 2023, 7:11am UTC](https://discourse.processing.org/t/shader-from-shadertoy-buffer-issue-and-lots-of-strange-differences/4276 "2023-09-22T07:11:24Z")

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Hi, I’m relatively new with shaders. I’m trying to port a shader from shadertoy (https://www.shadertoy.com/view/4dK3Ww) on processing 3. It’s days I’m trying, still didn’t find the/a solution, because at the moment I …

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## [Help to generate the good number of bullets (tower defense game)](https://discourse.processing.org/t/help-to-generate-the-good-number-of-bullets-tower-defense-game/42787)

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**Author:** [@Malcolm0609](https://discourse.processing.org/u/Malcolm0609)\
**Replies:** 4\
**Last updated:** [September 22, 2023, 7:06am UTC](https://discourse.processing.org/t/help-to-generate-the-good-number-of-bullets-tower-defense-game/42787 "2023-09-22T07:06:18Z")

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Hello everyone, as part of my studies, I need to create a small Processing game. I’ve decided to create a tower defense game with a fixed turret that automatically shoots at enemies approaching it. Unfortunately, I’m ha…

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## [FX2D mouseWheel getCount only returns zero](https://discourse.processing.org/t/fx2d-mousewheel-getcount-only-returns-zero/42814)

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**Author:** [@User442B](https://discourse.processing.org/u/User442B)\
**Replies:** 8\
**Last updated:** [September 22, 2023, 5:28am UTC](https://discourse.processing.org/t/fx2d-mousewheel-getcount-only-returns-zero/42814 "2023-09-22T05:28:06Z")

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I see that this issue has been reported before, but closed because it wasn’t replicated. I figured before I posted another Issue that I would see if anyone else ran into it. Here is a test sketch: color black = color(36…

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## [Window larger than expected with FX2D](https://discourse.processing.org/t/window-larger-than-expected-with-fx2d/42809)

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**Author:** [@User442B](https://discourse.processing.org/u/User442B)\
**Replies:** 2\
**Last updated:** [September 21, 2023, 9:07pm UTC](https://discourse.processing.org/t/window-larger-than-expected-with-fx2d/42809 "2023-09-21T21:07:20Z")

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I have noticed that the window size is not correct when setting the renderer to FX2D. My monitor’s resolution is 1920x1080, and when I run this sketch: color black = color(36,39,45); color green = color(141,187,110); im…

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## [New to p5js - strokeWeight & Order of Operations?](https://discourse.processing.org/t/new-to-p5js-strokeweight-order-of-operations/42808)

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**Author:** [@DavevaD](https://discourse.processing.org/u/DavevaD)\
**Replies:** 6\
**Last updated:** [September 21, 2023, 4:42pm UTC](https://discourse.processing.org/t/new-to-p5js-strokeweight-order-of-operations/42808 "2023-09-21T16:42:28Z")

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Good Morning! I am making my way (no pun intended) through the book Make: Getting Started with p5.js. I am having trouble understanding Example 3-12: Set Stroke Weight. Based on the code I have included in this post, t…

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## [Hot reloading using docker in p5.js web editor](https://discourse.processing.org/t/hot-reloading-using-docker-in-p5-js-web-editor/42801)

<div class="topic-metadata">

**Author:** [@Harsha10](https://discourse.processing.org/u/Harsha10)\
**Replies:** 2\
**Last updated:** [September 21, 2023, 1:29pm UTC](https://discourse.processing.org/t/hot-reloading-using-docker-in-p5-js-web-editor/42801 "2023-09-21T13:29:30Z")

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I have set up the p5.js web editor in my local system through docker which i’m relatively new to it. i find that hot reloading is not occuring using the docker commands which were given in contributor docs. these are t…

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## [My boss gave me 6 Teensy 4.0's, can these be used for video?](https://discourse.processing.org/t/my-boss-gave-me-6-teensy-4-0s-can-these-be-used-for-video/42796)

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**Author:** [@bkeith](https://discourse.processing.org/u/bkeith)\
**Replies:** 2\
**Last updated:** [September 21, 2023, 1:26pm UTC](https://discourse.processing.org/t/my-boss-gave-me-6-teensy-4-0s-can-these-be-used-for-video/42796 "2023-09-21T13:26:48Z")

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I want to have a camera that feeds a live stream to my computer, more specifically I want to show the video in Processing. I’ve read the Arduino is not good at processing or showing video so I’ve considered getting a Pi …

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## [How to change the color of the UI elements not affected by the Theme Selector?](https://discourse.processing.org/t/how-to-change-the-color-of-the-ui-elements-not-affected-by-the-theme-selector/42743)

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**Author:** [@AMartin](https://discourse.processing.org/u/AMartin)\
**Replies:** 5\
**Last updated:** [September 20, 2023, 6:58pm UTC](https://discourse.processing.org/t/how-to-change-the-color-of-the-ui-elements-not-affected-by-the-theme-selector/42743 "2023-09-20T18:58:43Z")

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For example, I have marked around the areas I’m talking about with red in the image.

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## [Class Within A Class Demo (Menu / Button)](https://discourse.processing.org/t/class-within-a-class-demo-menu-button/42782)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 13\
**Last updated:** [September 20, 2023, 11:56am UTC](https://discourse.processing.org/t/class-within-a-class-demo-menu-button/42782 "2023-09-20T11:56:57Z")

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// Demonstrates Button class inside of MenuBar class // https://docs.oracle.com/javase/tutorial/java/javaOO/nested.html color BLUE = color(64, 124, 188); color LTGRAY = color(185, 180, 180); color YELLOW = color(245, 25…

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## [Creating a Testing Tool in Processing - Need Help Adding a New Sketch Tab and Run Button](https://discourse.processing.org/t/creating-a-testing-tool-in-processing-need-help-adding-a-new-sketch-tab-and-run-button/42799)

<div class="topic-metadata">

**Author:** [@NebulaNine](https://discourse.processing.org/u/NebulaNine)\
**Replies:** 1\
**Last updated:** [September 20, 2023, 7:02am UTC](https://discourse.processing.org/t/creating-a-testing-tool-in-processing-need-help-adding-a-new-sketch-tab-and-run-button/42799 "2023-09-20T07:02:47Z")

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I’m currently working on a project to develop a simple testing tool for Processing, and I’ve run into a bit of a roadblock. Here’s what I’m trying to achieve: Adding a New Sketch Tab: I want the tool to seamlessly add …

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## [Processing and Arduino ultrasonic sensor](https://discourse.processing.org/t/processing-and-arduino-ultrasonic-sensor/42778)

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**Author:** [@andreiaferrsilva](https://discourse.processing.org/u/andreiaferrsilva)\
**Replies:** 3\
**Last updated:** [September 19, 2023, 7:20pm UTC](https://discourse.processing.org/t/processing-and-arduino-ultrasonic-sensor/42778 "2023-09-19T19:20:59Z")

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Hello! I’m working on a project with processing, Arduino and an ultrasonic sensor. Now I’ve come across a problem that I can’t solve, if anyone can help me I’d be grateful! This Processing code controls the playback of …

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## [Mirror and reflect left side movie to the right side](https://discourse.processing.org/t/mirror-and-reflect-left-side-movie-to-the-right-side/42788)

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**Author:** [@fatma90](https://discourse.processing.org/u/fatma90)\
**Replies:** 1\
**Last updated:** [September 19, 2023, 1:37pm UTC](https://discourse.processing.org/t/mirror-and-reflect-left-side-movie-to-the-right-side/42788 "2023-09-19T13:37:41Z")

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Hi, I have to reflect and mirror the half of the left video with the right one. I tried this code but when I activate the effect the video shows only the first frame and does not play. How can I play the video with the e…

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## [Research study participants needed this week for an AI-augmented creative coding IDE (paid)](https://discourse.processing.org/t/research-study-participants-needed-this-week-for-an-ai-augmented-creative-coding-ide-paid/41466)

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**Author:** [@jennyhan](https://discourse.processing.org/u/jennyhan)\
**Replies:** 0\
**Last updated:** [March 27, 2023, 2:11am UTC](https://discourse.processing.org/t/research-study-participants-needed-this-week-for-an-ai-augmented-creative-coding-ide-paid/41466 "2023-03-27T02:11:14Z")

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Hi there! We’re a team of researchers from Stanford University and Replit, Inc. We spent the past six months talking to creative coders and designing a tool to support artistic exploration and iteration. We are looking …

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## [Minecraft & the Processing app are the same?](https://discourse.processing.org/t/minecraft-the-processing-app-are-the-same/42672)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 3\
**Last updated:** [September 18, 2023, 10:54pm UTC](https://discourse.processing.org/t/minecraft-the-processing-app-are-the-same/42672 "2023-09-18T22:54:17Z")

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So this happend; i dont know why and how…

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## [Electronic speed controller not working](https://discourse.processing.org/t/electronic-speed-controller-not-working/42780)

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**Author:** [@bkeith](https://discourse.processing.org/u/bkeith)\
**Replies:** 4\
**Last updated:** [September 18, 2023, 7:47pm UTC](https://discourse.processing.org/t/electronic-speed-controller-not-working/42780 "2023-09-18T19:47:18Z")

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Im using a PS4 controller with the game control plus library in processing with a DC motor wired to an electronic speed controller in pin 2 of my arduino. The DC motor runs on 12-16Vs so my battery is a 14.8V and connect…

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## [Exclude type file from selectInput()?](https://discourse.processing.org/t/exclude-type-file-from-selectinput/9719)

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**Author:** [@Stanlepunk](https://discourse.processing.org/u/Stanlepunk)\
**Replies:** 17\
**Last updated:** [September 18, 2023, 5:03pm UTC](https://discourse.processing.org/t/exclude-type-file-from-selectinput/9719 "2023-09-18T17:03:25Z")

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Is it possible to exclude a specific type file when we use selectInput() as seen in this image?

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## [Frame export with a steady FPS](https://discourse.processing.org/t/frame-export-with-a-steady-fps/39433)

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**Author:** [@ssi\_karim](https://discourse.processing.org/u/ssi_karim)\
**Replies:** 12\
**Last updated:** [September 17, 2023, 8:23pm UTC](https://discourse.processing.org/t/frame-export-with-a-steady-fps/39433 "2023-09-17T20:23:58Z")

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Hi all, I have quite some experience with Processing and always loved it. However, I’m running into some trouble. I’m currently trying to create an audio-reactive (FFT) video clip. As this is a video clip, at the end of…

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## [Delay in transmission of Processing GUI via Bluetooth using Raspberry Pi 4B](https://discourse.processing.org/t/delay-in-transmission-of-processing-gui-via-bluetooth-using-raspberry-pi-4b/42775)

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**Author:** [@Myrdalm](https://discourse.processing.org/u/Myrdalm)\
**Replies:** 0\
**Last updated:** [September 17, 2023, 3:10pm UTC](https://discourse.processing.org/t/delay-in-transmission-of-processing-gui-via-bluetooth-using-raspberry-pi-4b/42775 "2023-09-17T15:10:48Z")

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I currently have a GUI that communicates via Bluetooth. The issue is, that there is no delay when I use a Desktop, a Laptop, and even a Raspberry Pi 3B+, but now I am using the latest Raspberry, the Raspberry Pi 4B in pa…

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## [ArrayList\_Serializable Demo Fails](https://discourse.processing.org/t/arraylist-serializable-demo-fails/42770)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 9\
**Last updated:** [September 16, 2023, 8:21pm UTC](https://discourse.processing.org/t/arraylist-serializable-demo-fails/42770 "2023-09-16T20:21:19Z")

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In trying to learn about Serializable I found this example online: https://samderlust.com/dev-blog/java/write-read-arraylist-object-file-java but am unable to get it to run without error. Similar efforts with other exam…

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## [Tablet library needs JavaFX but doesn't support FX2D](https://discourse.processing.org/t/tablet-library-needs-javafx-but-doesnt-support-fx2d/42772)

<div class="topic-metadata">

**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 0\
**Last updated:** [September 16, 2023, 1:09pm UTC](https://discourse.processing.org/t/tablet-library-needs-javafx-but-doesnt-support-fx2d/42772 "2023-09-16T13:09:52Z")

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The tablet library needs javafx, but cant use javafx as a renderer, but i need javafx because opengl is slow. are there any alternatives?

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## [Exported P2D application not working outside of sketch folder](https://discourse.processing.org/t/exported-p2d-application-not-working-outside-of-sketch-folder/42762)

<div class="topic-metadata">

**Author:** [@User442B](https://discourse.processing.org/u/User442B)\
**Replies:** 9\
**Last updated:** [September 15, 2023, 10:19pm UTC](https://discourse.processing.org/t/exported-p2d-application-not-working-outside-of-sketch-folder/42762 "2023-09-15T22:19:26Z")

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I have been working on an orbit sim in processing and want to export it. The game runs perfectly fine from the IDE, but on export it will not run properly. It will open and start, but freeze once images/sprites are displ…

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## [Mixing Pixels and Tracking pixel](https://discourse.processing.org/t/mixing-pixels-and-tracking-pixel/42757)

<div class="topic-metadata">

**Author:** [@bking](https://discourse.processing.org/u/bking)\
**Replies:** 0\
**Last updated:** [September 13, 2023, 4:57pm UTC](https://discourse.processing.org/t/mixing-pixels-and-tracking-pixel/42757 "2023-09-13T16:57:15Z")

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Hello, I would like to track different location from my screen. The aim is to send this r, g, b data to an Arduino and modulate 8 strip Led with 8 led. In my example I have 3 ellipse, I would like to track the center …

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