# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=200

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

**Page:** 201

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## [Möbius Strip Animation](https://discourse.processing.org/t/mobius-strip-animation/13273)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 6\
**Last updated:** [July 20, 2021, 6:23pm UTC](https://discourse.processing.org/t/mobius-strip-animation/13273 "2021-07-20T18:23:25Z")

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Simple Mobius Strip Enjoy! // Author: GLV // Date: 2019-08-08 // Description: Simple Mobius strip // References: // https://en.wikipedia.org/wiki/M%C3%B6bius\_strip PShape m1; boolean vTog = true; boolean…

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## [Google Streetview](https://discourse.processing.org/t/google-streetview/7105)

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**Author:** [@Noisathry](https://discourse.processing.org/u/Noisathry)\
**Replies:** 6\
**Last updated:** [August 18, 2021, 5:41pm UTC](https://discourse.processing.org/t/google-streetview/7105 "2021-08-18T17:41:38Z")

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Hello Everybody! I started processing this year at the university and now I want to make an interaktive programm with processing, where you sit on a swing and with every move forward you go one frame forward in google m…

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## [The function enableCollapse() does not exist](https://discourse.processing.org/t/the-function-enablecollapse-does-not-exist/17718)

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**Author:** [@yjoeyj](https://discourse.processing.org/u/yjoeyj)\
**Replies:** 4\
**Last updated:** [August 18, 2021, 5:11pm UTC](https://discourse.processing.org/t/the-function-enablecollapse-does-not-exist/17718 "2021-08-18T17:11:27Z")

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Hello All, First time user of Processing and stuck on a script I obtained from github Link. I cut down the script to shorten it for here, so hope I didn’t cut off too much: import controlP5.\*; import processing.serial.…

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## [How can I make my code work for multiple figure detection (poseNet)?](https://discourse.processing.org/t/how-can-i-make-my-code-work-for-multiple-figure-detection-posenet/10762)

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**Author:** [@sguzmanolmos](https://discourse.processing.org/u/sguzmanolmos)\
**Replies:** 9\
**Last updated:** [August 18, 2021, 4:58pm UTC](https://discourse.processing.org/t/how-can-i-make-my-code-work-for-multiple-figure-detection-posenet/10762 "2021-08-18T16:58:55Z")

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Hoi! I’ve just started learning how to code and in my school, there’s not much guidance about the subject. Currently, I’m doing a project with p5.js and poseNet. But I’m stuck trying to modify each keypoint independentl…

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## [Transparency issues in P3D](https://discourse.processing.org/t/transparency-issues-in-p3d/31784)

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**Author:** [@SNICKRS](https://discourse.processing.org/u/SNICKRS)\
**Replies:** 3\
**Last updated:** [August 18, 2021, 4:12pm UTC](https://discourse.processing.org/t/transparency-issues-in-p3d/31784 "2021-08-18T16:12:13Z")

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Hello everyone, I am trying to code a voxel game in java with processing, but when generating structures like trees with transparent leaves and textures, the textures always have a weird blue color (the color of the sky)…

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## [Affinity: an artificial life swarm simulation](https://discourse.processing.org/t/affinity-an-artificial-life-swarm-simulation/10616)

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**Author:** [@scudly](https://discourse.processing.org/u/scudly)\
**Replies:** 6\
**Last updated:** [August 18, 2021, 2:53pm UTC](https://discourse.processing.org/t/affinity-an-artificial-life-swarm-simulation/10616 "2021-08-18T14:53:41Z")

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In Affinity, https://codepen.io/scudly/full/aBdqpb, each entity has a hue and has an affinity to other entities with similar, though not quite the same, hues and flees from those with a different hue. The overall behavi…

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## [Using. img.get to retrieve color values](https://discourse.processing.org/t/using-img-get-to-retrieve-color-values/31778)

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**Author:** [@glen](https://discourse.processing.org/u/glen)\
**Replies:** 2\
**Last updated:** [August 18, 2021, 11:34am UTC](https://discourse.processing.org/t/using-img-get-to-retrieve-color-values/31778 "2021-08-18T11:34:07Z")

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I am using the following code let c = img.get(xPos,yPos); to sample a color from a pixel of an image and it works brilliantly as I can then fill or stroke with the variable (c) My question is how do I then make (c) us…

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## [Exporting still images from animations](https://discourse.processing.org/t/exporting-still-images-from-animations/31666)

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**Author:** [@humano](https://discourse.processing.org/u/humano)\
**Replies:** 23\
**Last updated:** [August 18, 2021, 11:17am UTC](https://discourse.processing.org/t/exporting-still-images-from-animations/31666 "2021-08-18T11:17:40Z")

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Hi there ! I want to export still images from this animation and I don’t know how to do it. This code make interesting images in different moments and I would like to frozen and export them to print them in HQ. Could yo…

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## [Using save/saveFrame to save screenshot in iGeo update method](https://discourse.processing.org/t/using-save-saveframe-to-save-screenshot-in-igeo-update-method/31757)

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**Author:** [@Renruojos](https://discourse.processing.org/u/Renruojos)\
**Replies:** 2\
**Last updated:** [August 18, 2021, 5:17am UTC](https://discourse.processing.org/t/using-save-saveframe-to-save-screenshot-in-igeo-update-method/31757 "2021-08-18T05:17:05Z")

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I am fairly new to both Processing and iGeo and for the life of me I cannot figured out how to take a simple screenshot of the canvas properly. Take for instance the code below: I am creating a bunch of random points on…

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## [Shuffle Song Code](https://discourse.processing.org/t/shuffle-song-code/6618)

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**Author:** [@charmypatel](https://discourse.processing.org/u/charmypatel)\
**Replies:** 3\
**Last updated:** [August 9, 2021, 11:52am UTC](https://discourse.processing.org/t/shuffle-song-code/6618 "2021-08-09T11:52:46Z")

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I’m trying to practice doing different things using minim. I wanted to play around with shuffling different songs using minim and I found this example. I was having trouble posting a comment to the user that posted this …

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## [Question about \>\< and !=](https://discourse.processing.org/t/question-about-and/31419)

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**Author:** [@MoonAlien822](https://discourse.processing.org/u/MoonAlien822)\
**Replies:** 6\
**Last updated:** [August 18, 2021, 3:50am UTC](https://discourse.processing.org/t/question-about-and/31419 "2021-08-18T03:50:00Z")

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Is If(x \>\< 16){print(“yes”)} The same as If (x != 16){print(“yes”)} ?

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## [Ciclo for con iteraciones](https://discourse.processing.org/t/ciclo-for-con-iteraciones/31566)

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**Author:** [@tati1202](https://discourse.processing.org/u/tati1202)\
**Replies:** 2\
**Last updated:** [August 18, 2021, 2:34am UTC](https://discourse.processing.org/t/ciclo-for-con-iteraciones/31566 "2021-08-18T02:34:59Z")

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for( int x=-600; x\<=600; x=x+60){ for (int y=-600; y\<=600; y=y+60){ quiero hacer esta grilla en un size(600,600) pero no se como meter las variables que puedan ser luego modificadas con eventos de teclado/mouse, como p…

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## [How do I use the X and Y values from an object from touches in P5js?](https://discourse.processing.org/t/how-do-i-use-the-x-and-y-values-from-an-object-from-touches-in-p5js/31766)

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**Author:** [@nothingness](https://discourse.processing.org/u/nothingness)\
**Replies:** 4\
**Last updated:** [August 18, 2021, 12:19am UTC](https://discourse.processing.org/t/how-do-i-use-the-x-and-y-values-from-an-object-from-touches-in-p5js/31766 "2021-08-18T00:19:09Z")

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This is my first week playing with P5js and Processing so be gentle. I’ve got the following P5js code where I’m looking at touch values. By pressing multi-points on a touch screen brings up more circles anchored to a ce…

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## [New version of the Beads audio library](https://discourse.processing.org/t/new-version-of-the-beads-audio-library/23669)

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**Author:** [@olliebown](https://discourse.processing.org/u/olliebown)\
**Replies:** 3\
**Last updated:** [August 17, 2021, 10:02pm UTC](https://discourse.processing.org/t/new-version-of-the-beads-audio-library/23669 "2021-08-17T22:02:50Z")

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Hi there, I’m please to announce a long overdue update to the Beads library for Processing. One of the main developments is a simplified API which doesn’t require the AudioContext argument creating UGens. The library co…

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## [Getting a NullPointerException with opencv loadImage()!](https://discourse.processing.org/t/getting-a-nullpointerexception-with-opencv-loadimage/31739)

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**Author:** [@maroslan](https://discourse.processing.org/u/maroslan)\
**Replies:** 1\
**Last updated:** [August 17, 2021, 5:24pm UTC](https://discourse.processing.org/t/getting-a-nullpointerexception-with-opencv-loadimage/31739 "2021-08-17T17:24:25Z")

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I need someone more skilled than me to look at my code. I am trying to open my webcam, and make it track a location, where it will draw a circle. However, it wont even load the cam! I get a NullPointerException. I see th…

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## [I coded circles everyday for a month and this is what I came up with](https://discourse.processing.org/t/i-coded-circles-everyday-for-a-month-and-this-is-what-i-came-up-with/30457)

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**Author:** [@musiciantriescoding](https://discourse.processing.org/u/musiciantriescoding)\
**Replies:** 1\
**Last updated:** [August 17, 2021, 8:37am UTC](https://discourse.processing.org/t/i-coded-circles-everyday-for-a-month-and-this-is-what-i-came-up-with/30457 "2021-08-17T08:37:10Z")

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Hello fellow creative coders! I would like to share something I wrote with you all. In the month of May, I coded daily and always worked with circles. This article is a summary of what I did and some techniques I explore…

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## [Background/mask over webcam feed](https://discourse.processing.org/t/background-mask-over-webcam-feed/31753)

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**Author:** [@maroslan](https://discourse.processing.org/u/maroslan)\
**Replies:** 2\
**Last updated:** [August 16, 2021, 8:14pm UTC](https://discourse.processing.org/t/background-mask-over-webcam-feed/31753 "2021-08-16T20:14:15Z")

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Hi to whoever is reading this! I am trying to create an overlay over a webcam feed. I am using the webcam to capture the darkest points in its vision, where it will draw a circle. However, in the end result I don’t want…

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## [Thought the new Processing 4 logo didn't really represent a P or a 4, so I rearranged it to look a bit more befitting](https://discourse.processing.org/t/thought-the-new-processing-4-logo-didnt-really-represent-a-p-or-a-4-so-i-rearranged-it-to-look-a-bit-more-befitting/31752)

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**Author:** [@OpenSauce](https://discourse.processing.org/u/OpenSauce)\
**Replies:** 1\
**Last updated:** [August 16, 2021, 8:05pm UTC](https://discourse.processing.org/t/thought-the-new-processing-4-logo-didnt-really-represent-a-p-or-a-4-so-i-rearranged-it-to-look-a-bit-more-befitting/31752 "2021-08-16T20:05:33Z")

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This took about 5 minutes

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## [Ccapture to save graphics vs canvas](https://discourse.processing.org/t/ccapture-to-save-graphics-vs-canvas/31747)

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**Author:** [@rkdnson](https://discourse.processing.org/u/rkdnson)\
**Replies:** 4\
**Last updated:** [August 16, 2021, 7:34pm UTC](https://discourse.processing.org/t/ccapture-to-save-graphics-vs-canvas/31747 "2021-08-16T19:34:33Z")

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Hello all, using the library ccapture - I realize this is an older Library so if anyone has another recommendation for capturing png sequences from P5.js that would be fantasic. In the sketch here: I am using ccapture …

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## [Convert digital photo into digital](https://discourse.processing.org/t/convert-digital-photo-into-digital/31745)

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**Author:** [@yalaniv](https://discourse.processing.org/u/yalaniv)\
**Replies:** 2\
**Last updated:** [August 16, 2021, 5:37pm UTC](https://discourse.processing.org/t/convert-digital-photo-into-digital/31745 "2021-08-16T17:37:05Z")

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I would like to import an image, and manipulate it in order to make it look like it created with digital tools. I found a code about how to convert full color image into gray scale one, but I am kinda stuck with the di…

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## [Is there a way to paint a filled triangle?](https://discourse.processing.org/t/is-there-a-way-to-paint-a-filled-triangle/31647)

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**Author:** [@yalaniv](https://discourse.processing.org/u/yalaniv)\
**Replies:** 6\
**Last updated:** [August 16, 2021, 2:22pm UTC](https://discourse.processing.org/t/is-there-a-way-to-paint-a-filled-triangle/31647 "2021-08-16T14:22:04Z")

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I would like to know

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## [Applying power by amount of time passed?](https://discourse.processing.org/t/applying-power-by-amount-of-time-passed/30295)

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**Author:** [@int](https://discourse.processing.org/u/int)\
**Replies:** 5\
**Last updated:** [August 16, 2021, 12:35pm UTC](https://discourse.processing.org/t/applying-power-by-amount-of-time-passed/30295 "2021-08-16T12:35:15Z")

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Hi, I’m struggling to figure out how you can set the speed/power of a moving object based on time. For example, When you press a key, a ball is thrown from one end to the other. the time taken to press the key is calcula…

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## [Video library not working for exported application of the sketch](https://discourse.processing.org/t/video-library-not-working-for-exported-application-of-the-sketch/25264)

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**Author:** [@aditya1](https://discourse.processing.org/u/aditya1)\
**Replies:** 11\
**Last updated:** [August 16, 2021, 7:57am UTC](https://discourse.processing.org/t/video-library-not-working-for-exported-application-of-the-sketch/25264 "2021-08-16T07:57:14Z")

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My sketch works totally fine when I run in the Processing software containing the Processing video library. But when I export the sketch as exe application the same code doesn’t work. To try I removed the movie from the…

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## [Exporting application Crashes on Mac Big Sug 11.4](https://discourse.processing.org/t/exporting-application-crashes-on-mac-big-sug-11-4/31202)

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**Author:** [@manu](https://discourse.processing.org/u/manu)\
**Replies:** 9\
**Last updated:** [August 16, 2021, 6:08am UTC](https://discourse.processing.org/t/exporting-application-crashes-on-mac-big-sug-11-4/31202 "2021-08-16T06:08:02Z")

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Hi Everyone! I am in a bit of a bind and wanted to see if anyone else ran into this problem. When I publish sketches from processing (3.4 or Alpha) as exported applications, the process goes ok. But when I try and open…

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## [How to copy an array](https://discourse.processing.org/t/how-to-copy-an-array/5170)

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**Author:** [@sLucas](https://discourse.processing.org/u/sLucas)\
**Replies:** 10\
**Last updated:** [August 16, 2021, 3:50am UTC](https://discourse.processing.org/t/how-to-copy-an-array/5170 "2021-08-16T03:50:45Z")

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A bug has been found… (No bug has been found (edit)) Explanation follows void setup() { double\[\] a = {1, 2, 3}; double\[\] b = {1, 2, 3}; for (double print : b) { print(print + ", "); } println(); b = new…

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## [A caught exception occured on thread](https://discourse.processing.org/t/a-caught-exception-occured-on-thread/31713)

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**Author:** [@LuckSmith](https://discourse.processing.org/u/LuckSmith)\
**Replies:** 4\
**Last updated:** [August 15, 2021, 11:49am UTC](https://discourse.processing.org/t/a-caught-exception-occured-on-thread/31713 "2021-08-15T11:49:40Z")

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Hi guys, I got the following error message running my sketch. Tried both 4.01 and 3.5.4 versions. What is wrong? RunnableTask.run(): A caught exception occured on thread main-Display-.windows\_nil-1-EDT-1: RunnableTask…

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## [Why updating sand simulation in grid doesn't work?](https://discourse.processing.org/t/why-updating-sand-simulation-in-grid-doesnt-work/31722)

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**Author:** [@Rafsing](https://discourse.processing.org/u/Rafsing)\
**Replies:** 2\
**Last updated:** [August 15, 2021, 1:19am UTC](https://discourse.processing.org/t/why-updating-sand-simulation-in-grid-doesnt-work/31722 "2021-08-15T01:19:17Z")

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I want to make a falling sand simulation using cellular automata, but when I update it, nothing happens, and when I want to do a line of diffrent material using lineDrawing() this material appear in random cells. This is…

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## [Odd behaviour with Processing 3 and Processing 4 installed](https://discourse.processing.org/t/odd-behaviour-with-processing-3-and-processing-4-installed/31725)

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**Author:** [@PhilHaw](https://discourse.processing.org/u/PhilHaw)\
**Replies:** 3\
**Last updated:** [August 14, 2021, 9:22pm UTC](https://discourse.processing.org/t/odd-behaviour-with-processing-3-and-processing-4-installed/31725 "2021-08-14T21:22:08Z")

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I have Processing 3 (3.5.4) and Processing 4.0b1 installed on a Windows 10 PC. Here’s an odd thing! If I have Processing 3 open and I try to run Processing 4, the Processing 4 splash screen appears briefly but the new s…

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## [Calling different draw functions](https://discourse.processing.org/t/calling-different-draw-functions/31709)

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**Author:** [@odecode](https://discourse.processing.org/u/odecode)\
**Replies:** 15\
**Last updated:** [August 14, 2021, 6:38pm UTC](https://discourse.processing.org/t/calling-different-draw-functions/31709 "2021-08-14T18:38:34Z")

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Hello! I followed TheCodingTrain’s youtube video for the Rubik’s cube, and am now adding some functionality which I need help with. I am using java mode. I created a simple solver (brute force), and now I want to create …

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## [Sound and Acceleration](https://discourse.processing.org/t/sound-and-acceleration/31710)

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**Author:** [@G03TH3](https://discourse.processing.org/u/G03TH3)\
**Replies:** 3\
**Last updated:** [August 14, 2021, 4:36pm UTC](https://discourse.processing.org/t/sound-and-acceleration/31710 "2021-08-14T16:36:47Z")

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I have been bombarding this post with many questions and I’m sorry that I have to rely so much on the help of you guys, I may assure that everything I’m asking it took me at least 1-2 hours of attempt and failure by myse…

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