# Latest

**URL:** https://discourse.processing.org/latest.md?page=141

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

**Page:** 142

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## [Finding the color of a pixel](https://discourse.processing.org/t/finding-the-color-of-a-pixel/36555)

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**Author:** [@hermitdog](https://discourse.processing.org/u/hermitdog)\
**Replies:** 2\
**Last updated:** [April 24, 2022, 12:06am UTC](https://discourse.processing.org/t/finding-the-color-of-a-pixel/36555 "2022-04-24T00:06:23Z")

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Blockquote In previous versions of Processing, I could find the color of a pixel using get(x,y) But in P5js get(x,y) gives me something like \[146, 200 150, 255\] What I need is some way to check that the location is …

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## [Rotating circle in 2D](https://discourse.processing.org/t/rotating-circle-in-2d/36538)

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**Author:** [@Heavy](https://discourse.processing.org/u/Heavy)\
**Replies:** 10\
**Last updated:** [April 23, 2022, 8:55pm UTC](https://discourse.processing.org/t/rotating-circle-in-2d/36538 "2022-04-23T20:55:50Z")

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Hello everyone, I am trying to make an algorithm that allows to simulate the rotating movement of a coin. The origin point to draw the coin must coincide with the center of the canvas (I must use the variables of the w…

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## [Game based on real life locations](https://discourse.processing.org/t/game-based-on-real-life-locations/36550)

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**Author:** [@Slien](https://discourse.processing.org/u/Slien)\
**Replies:** 1\
**Last updated:** [April 23, 2022, 8:39pm UTC](https://discourse.processing.org/t/game-based-on-real-life-locations/36550 "2022-04-23T20:39:22Z")

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Greetings, I want to share my very first processing project. It’s a short platformer about a university student, specifically a student at the Athens University of Economics and Business (AUEB) . The game took a long ti…

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## [Handy renderer on SVGs?](https://discourse.processing.org/t/handy-renderer-on-svgs/36481)

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**Author:** [@jjjolton](https://discourse.processing.org/u/jjjolton)\
**Replies:** 4\
**Last updated:** [April 23, 2022, 3:53pm UTC](https://discourse.processing.org/t/handy-renderer-on-svgs/36481 "2022-04-23T15:53:31Z")

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I’m importing some SVGs into a sketch that I’d like to style using HandyRenderer. It looks like there may be some hoops to jump through, as just applying the Handy class to the shape statement doesn’t work import org.gi…

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## [Question on how to define a boolean](https://discourse.processing.org/t/question-on-how-to-define-a-boolean/36546)

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**Author:** [@hannymymy](https://discourse.processing.org/u/hannymymy)\
**Replies:** 1\
**Last updated:** [April 23, 2022, 1:54pm UTC](https://discourse.processing.org/t/question-on-how-to-define-a-boolean/36546 "2022-04-23T13:54:08Z")

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Hi, I am very new to coding and have a question regarding the code below. I’d like it to grow the circle with the count\_up, but when one of the circles reaches the max width to go back again (in a way to loop the action)…

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## [Python Mode needs a new project owner](https://discourse.processing.org/t/python-mode-needs-a-new-project-owner/36399)

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**Author:** [@pheinberg](https://discourse.processing.org/u/pheinberg)\
**Replies:** 1\
**Last updated:** [April 23, 2022, 12:41pm UTC](https://discourse.processing.org/t/python-mode-needs-a-new-project-owner/36399 "2022-04-23T12:41:24Z")

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Hello from Jonathan Feinberg, the creator of Python Mode for Processing. Python Mode needs a new owner, someone with the time, energy, and expertise to take the mode into full Processing 4 compatibility and beyond. To …

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## [Save sketch as js-file with random params at runtime](https://discourse.processing.org/t/save-sketch-as-js-file-with-random-params-at-runtime/36542)

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**Author:** [@res56](https://discourse.processing.org/u/res56)\
**Replies:** 3\
**Last updated:** [April 23, 2022, 11:55am UTC](https://discourse.processing.org/t/save-sketch-as-js-file-with-random-params-at-runtime/36542 "2022-04-23T11:55:45Z")

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Hi frens, it is possible to save a sketch as javascript-file with “values” of random function at runtime? Thanks in advance, Res

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## [Why NullPointerException](https://discourse.processing.org/t/why-nullpointerexception/36537)

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**Author:** [@jiajia](https://discourse.processing.org/u/jiajia)\
**Replies:** 2\
**Last updated:** [April 23, 2022, 7:55am UTC](https://discourse.processing.org/t/why-nullpointerexception/36537 "2022-04-23T07:55:45Z")

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import java.util.Iterator; ParticleSystem ps; Particle p; void setup(){ size(200,200); smooth(); ps = new ParticleSystem(new PVector(width/2,50)); } void draw(){ background(100); PVector gravity = new PVecto…

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## [Issues setting up exlipse classpath - can't find jai\_imageio.jar](https://discourse.processing.org/t/issues-setting-up-exlipse-classpath-cant-find-jai-imageio-jar/36535)

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**Author:** [@ExpandingS](https://discourse.processing.org/u/ExpandingS)\
**Replies:** 1\
**Last updated:** [April 23, 2022, 7:00am UTC](https://discourse.processing.org/t/issues-setting-up-exlipse-classpath-cant-find-jai-imageio-jar/36535 "2022-04-23T07:00:24Z")

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I can build and run processing fine using ant, however I’m having issues getting eclipse to work correctly, there are tonnes of build path errors. Following the build instructions, it mentions that: it’ll complain abou…

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## [Countdown and image moveDown() and random()](https://discourse.processing.org/t/countdown-and-image-movedown-and-random/36499)

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**Author:** [@maya](https://discourse.processing.org/u/maya)\
**Replies:** 8\
**Last updated:** [April 23, 2022, 2:51am UTC](https://discourse.processing.org/t/countdown-and-image-movedown-and-random/36499 "2022-04-23T02:51:53Z")

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Hi there, I would like the countdown timer to disappear when it reaches 0, and at that point, only then the dog starts moving down, but right now the dog moves down at the beginning already. Also, there is only one dog i…

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## [How do I upload a Library to the processing community?](https://discourse.processing.org/t/how-do-i-upload-a-library-to-the-processing-community/36528)

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**Author:** [@5Daydreams](https://discourse.processing.org/u/5Daydreams)\
**Replies:** 1\
**Last updated:** [April 22, 2022, 5:54pm UTC](https://discourse.processing.org/t/how-do-i-upload-a-library-to-the-processing-community/36528 "2022-04-22T17:54:47Z")

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I want to start my own library for handling perlin noise and simple geometric shapes, but I can’t seem to find where do I put the files for it in this website, would someone happen to know how that is done?

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## [How do I get trailing lines not dots?](https://discourse.processing.org/t/how-do-i-get-trailing-lines-not-dots/36522)

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**Author:** [@locky.mcdonald](https://discourse.processing.org/u/locky.mcdonald)\
**Replies:** 11\
**Last updated:** [April 22, 2022, 5:09pm UTC](https://discourse.processing.org/t/how-do-i-get-trailing-lines-not-dots/36522 "2022-04-22T17:09:58Z")

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\`function setup() { createCanvas(800, 800); } function draw() { background("#ffffff04"); if (mouseIsPressed) { stroke(mouseX, 0, mouseY); strokeWeight(10); smooth(); point(mouseX-5, mouseY-5, pmouseX, pmouseY ); poi…

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## [Grid using ramdomly some designs](https://discourse.processing.org/t/grid-using-ramdomly-some-designs/36205)

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**Author:** [@humano](https://discourse.processing.org/u/humano)\
**Replies:** 10\
**Last updated:** [April 22, 2022, 2:12pm UTC](https://discourse.processing.org/t/grid-using-ramdomly-some-designs/36205 "2022-04-22T14:12:21Z")

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Hi there! I am drawing a grid with 9 different types of design, as you can see in the Code Now, I would like to use them ramdomly, I mean, to fill the squares with them in a random way. How could I start doing that? Th…

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## [Map random images to elements individually](https://discourse.processing.org/t/map-random-images-to-elements-individually/36022)

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**Author:** [@oli7er](https://discourse.processing.org/u/oli7er)\
**Replies:** 4\
**Last updated:** [April 22, 2022, 10:44am UTC](https://discourse.processing.org/t/map-random-images-to-elements-individually/36022 "2022-04-22T10:44:56Z")

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Hi everyone, I am trying to map randomly selected images to a trail of waving rectangles. Originally I had the pictures loaded through a for loop, which scrolled through the file names, but this looked too organised. So…

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## [Relative Slider position using CSS techniques](https://discourse.processing.org/t/relative-slider-position-using-css-techniques/36515)

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**Author:** [@res56](https://discourse.processing.org/u/res56)\
**Replies:** 1\
**Last updated:** [April 22, 2022, 10:08am UTC](https://discourse.processing.org/t/relative-slider-position-using-css-techniques/36515 "2022-04-22T10:08:09Z")

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Hi frens, it is possible to integrate a p5js-slider in react-dom structure: \<Row\> \<Col className="slider-label"\>Movement\</Col\> \<Col className="slider01"\>\*Place for p5js-slider\*\</Col\> …

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## [The Particle() is undefined](https://discourse.processing.org/t/the-particle-is-undefined/36510)

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**Author:** [@jiajia](https://discourse.processing.org/u/jiajia)\
**Replies:** 7\
**Last updated:** [April 22, 2022, 9:57am UTC](https://discourse.processing.org/t/the-particle-is-undefined/36510 "2022-04-22T09:57:58Z")

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import java.util.Iterator; ParticleSystem ps; Particle p; void steup(){ size(200,200); ps = new ParticleSystem(); } void draw(){ background(255); ps.run(); } class ParticleSystem{ ArrayList\<Particle\> particl…

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## [PShape createShape(GROUP) ignoring noStroke(), fill() when contained in PGraphics?](https://discourse.processing.org/t/pshape-createshape-group-ignoring-nostroke-fill-when-contained-in-pgraphics/36508)

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**Author:** [@disuye](https://discourse.processing.org/u/disuye)\
**Replies:** 2\
**Last updated:** [April 22, 2022, 8:06am UTC](https://discourse.processing.org/t/pshape-createshape-group-ignoring-nostroke-fill-when-contained-in-pgraphics/36508 "2022-04-22T08:06:14Z")

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Not sure if I’m missing something … I’m having trouble getting shapes (approx. 100 shapes, generated by a for loop in setup(), using the method .addChild() to create a group that is visible OK in draw()) to accept any st…

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## [PiCrate sketch running from Geany on Bullseye (RaspberryPI OS)](https://discourse.processing.org/t/picrate-sketch-running-from-geany-on-bullseye-raspberrypi-os/34890)

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**Author:** [@monkstone](https://discourse.processing.org/u/monkstone)\
**Replies:** 1\
**Last updated:** [April 22, 2022, 7:36am UTC](https://discourse.processing.org/t/picrate-sketch-running-from-geany-on-bullseye-raspberrypi-os/34890 "2022-04-22T07:36:22Z")

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PiCrate is ready to run on latest RaspberryPI OS Bullseye (good luck with vanilla processing):- For vanilla processing avoid Bullseye for now…

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## [Displaying population data from a CSV file onto a map](https://discourse.processing.org/t/displaying-population-data-from-a-csv-file-onto-a-map/36505)

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**Author:** [@JB77](https://discourse.processing.org/u/JB77)\
**Replies:** 2\
**Last updated:** [April 22, 2022, 5:40am UTC](https://discourse.processing.org/t/displaying-population-data-from-a-csv-file-onto-a-map/36505 "2022-04-22T05:40:46Z")

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I am trying to plot population data (from three years) from a CSV file onto a map of the UK but am not sure how to do display the data, I have gathered the X and Y coordinates of each city in the CSV file, but I am not s…

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## [Problems with canvas size](https://discourse.processing.org/t/problems-with-canvas-size/4026)

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**Author:** [@mojo](https://discourse.processing.org/u/mojo)\
**Replies:** 12\
**Last updated:** [April 22, 2022, 4:16am UTC](https://discourse.processing.org/t/problems-with-canvas-size/4026 "2022-04-22T04:16:24Z")

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Hi there, I am happy to have started to learn Processing however I seem to have fallen at the first hurdle. When I am completing the beginner tutorial video, and code I type in just results in what I would guess to be …

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## [Cannot find a class or type named “Iterator”](https://discourse.processing.org/t/cannot-find-a-class-or-type-named-iterator/36491)

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**Author:** [@jiajia](https://discourse.processing.org/u/jiajia)\
**Replies:** 4\
**Last updated:** [April 21, 2022, 2:54pm UTC](https://discourse.processing.org/t/cannot-find-a-class-or-type-named-iterator/36491 "2022-04-21T14:54:16Z")

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\< ArrayList particles; void setup(){ size(200,200); particles = new ArrayList(); } void draw(){ background(255); particles.add(new Particle(new PVector(width/2,50))); Iterator it = particles.iterator(); while(…

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## [A (simple) tribute to the mythical PONG of the 70s (Processing 3.3.7)](https://discourse.processing.org/t/a-simple-tribute-to-the-mythical-pong-of-the-70s-processing-3-3-7/36498)

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**Author:** [@Oighen](https://discourse.processing.org/u/Oighen)\
**Replies:** 0\
**Last updated:** [April 21, 2022, 2:27pm UTC](https://discourse.processing.org/t/a-simple-tribute-to-the-mythical-pong-of-the-70s-processing-3-3-7/36498 "2022-04-21T14:27:52Z")

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Here is my shy tribute to the mythical Pong of the 70s (It’s an experiment… I’m a 69 years old beginners so … be patient). It works fine in Android Mode on my Oppo A74 5G: change the lines as suggested in the comments t…

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## [Importing Live Internet Video in Processing](https://discourse.processing.org/t/importing-live-internet-video-in-processing/8218)

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**Author:** [@ernestwzh](https://discourse.processing.org/u/ernestwzh)\
**Replies:** 24\
**Last updated:** [April 21, 2022, 2:24pm UTC](https://discourse.processing.org/t/importing-live-internet-video-in-processing/8218 "2022-04-21T14:24:15Z")

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Hi there, I was just wondering if it is possible to import a live internet video feed from the following weblink into Processing: Ultimately I wish to manipulate the live video but for now I would just like to import …

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## [Progress with g4js - a new GUI library for p5.js](https://discourse.processing.org/t/progress-with-g4js-a-new-gui-library-for-p5-js/36493)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 0\
**Last updated:** [April 21, 2022, 9:49am UTC](https://discourse.processing.org/t/progress-with-g4js-a-new-gui-library-for-p5-js/36493 "2022-04-21T09:49:52Z")

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I know that there is another discussion about this library but its focus on compatibility and development tools. In this discussion I am interested in your thoughts about the API and functionality (e.g. controls availabl…

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## [Submitting Proposal for GSoC](https://discourse.processing.org/t/submitting-proposal-for-gsoc/36489)

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**Author:** [@GodfirstOnuoha](https://discourse.processing.org/u/GodfirstOnuoha)\
**Replies:** 2\
**Last updated:** [April 21, 2022, 4:07am UTC](https://discourse.processing.org/t/submitting-proposal-for-gsoc/36489 "2022-04-21T04:07:03Z")

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Greetings! Please where can I submit my proposal for Processing Foundation? I created a topic (GSoC'22 Proposal for Processing for Android Update) earlier but no response. I also can’t find the submit proposal button …

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## [I would like to build a device to make panorama picture (like iPhone feature)](https://discourse.processing.org/t/i-would-like-to-build-a-device-to-make-panorama-picture-like-iphone-feature/36446)

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**Author:** [@politropo](https://discourse.processing.org/u/politropo)\
**Replies:** 0\
**Last updated:** [April 19, 2022, 12:47pm UTC](https://discourse.processing.org/t/i-would-like-to-build-a-device-to-make-panorama-picture-like-iphone-feature/36446 "2022-04-19T12:47:10Z")

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Hi everyone, --//context//-- I am an artist and lately during my train or car journeys I started to place my phone (iPhone) on the windows and start taking pano photos. The result fascinates me a lot and I would like t…

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## [How to make the ellipses fall down from the top of the screen?](https://discourse.processing.org/t/how-to-make-the-ellipses-fall-down-from-the-top-of-the-screen/36476)

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**Author:** [@hau4302](https://discourse.processing.org/u/hau4302)\
**Replies:** 2\
**Last updated:** [April 21, 2022, 12:23am UTC](https://discourse.processing.org/t/how-to-make-the-ellipses-fall-down-from-the-top-of-the-screen/36476 "2022-04-21T00:23:21Z")

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How to make the ellipse fall down from the top of the screen?

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## [Is it possible to download the jblas library somehow](https://discourse.processing.org/t/is-it-possible-to-download-the-jblas-library-somehow/36422)

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**Author:** [@urlxd](https://discourse.processing.org/u/urlxd)\
**Replies:** 1\
**Last updated:** [April 20, 2022, 8:01pm UTC](https://discourse.processing.org/t/is-it-possible-to-download-the-jblas-library-somehow/36422 "2022-04-20T20:01:09Z")

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how to load jblas library (or other library for neural networks) in processing(on phone (APDE for android)) :face\_with\_raised\_eyebrow:

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## [Can u please provide me the contact of mentor](https://discourse.processing.org/t/can-u-please-provide-me-the-contact-of-mentor/36381)

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**Author:** [@rinkydevi](https://discourse.processing.org/u/rinkydevi)\
**Replies:** 3\
**Last updated:** [April 20, 2022, 3:08pm UTC](https://discourse.processing.org/t/can-u-please-provide-me-the-contact-of-mentor/36381 "2022-04-20T15:08:14Z")

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hey @saberkhan , can u please tell me how can u approach mentor Sharon De La Cruz? i have been trying to reach her but now finding any way for it…

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## [Loop for same variable but opposite directions](https://discourse.processing.org/t/loop-for-same-variable-but-opposite-directions/36474)

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**Author:** [@oli7er](https://discourse.processing.org/u/oli7er)\
**Replies:** 2\
**Last updated:** [April 20, 2022, 2:57pm UTC](https://discourse.processing.org/t/loop-for-same-variable-but-opposite-directions/36474 "2022-04-20T14:57:27Z")

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Hi everyone, I have been using two loops to generate generate variables one of them going up from 0 - 360 and the other going in the opposite direction from 360 - 0. The code I have been using for this looks like this: …

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