# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=271

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

**Page:** 272

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## [Random mp3 files](https://discourse.processing.org/t/random-mp3-files/26346)

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**Author:** [@toc\_toc\_toc](https://discourse.processing.org/u/toc_toc_toc)\
**Replies:** 17\
**Last updated:** [December 24, 2020, 6:34pm UTC](https://discourse.processing.org/t/random-mp3-files/26346 "2020-12-24T18:34:41Z")

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I’m trying to make a random generator of mp3 files on Processing but I don’t know how to do it. I’ve tried to create a class (and before I tried it with an Array) with my audio files but I can’t get it to run. import …

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## [Themidibus + python](https://discourse.processing.org/t/themidibus-python/10382)

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**Author:** [@lnp](https://discourse.processing.org/u/lnp)\
**Replies:** 5\
**Last updated:** [December 24, 2020, 3:13pm UTC](https://discourse.processing.org/t/themidibus-python/10382 "2020-12-24T15:13:43Z")

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Hi everyone — I converted this java sample of themidibus in to python: https://github.com/sparks/themidibus/blob/master/examples/Basic/Basic.pde I first made sure it worked with my midi device connected and responded i…

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## [How to run build .exe sketch from command line?](https://discourse.processing.org/t/how-to-run-build-exe-sketch-from-command-line/26449)

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**Author:** [@trackme518](https://discourse.processing.org/u/trackme518)\
**Replies:** 3\
**Last updated:** [December 24, 2020, 2:46pm UTC](https://discourse.processing.org/t/how-to-run-build-exe-sketch-from-command-line/26449 "2020-12-24T14:46:35Z")

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Hi, how can you run build sketch as .exe file from command line? When you build the app in windows you get the folder structure with yoursketch.exe inside. It works just fine when you double click it. But I can not find…

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## [Sending Live data from Processing to Grasshopper](https://discourse.processing.org/t/sending-live-data-from-processing-to-grasshopper/26473)

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**Author:** [@DariaSuzanne](https://discourse.processing.org/u/DariaSuzanne)\
**Replies:** 1\
**Last updated:** [December 24, 2020, 8:33am UTC](https://discourse.processing.org/t/sending-live-data-from-processing-to-grasshopper/26473 "2020-12-24T08:33:39Z")

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Hello I have recently learned that you can send data from processing to various softwares. I was wondering if anyone has any idea about an error I keep encountering: \[2020/12/23 14:0:59\] ERROR @ UdpClient.send ioexcept…

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## [P3/Windows/NewInstall Sketch Size Problem](https://discourse.processing.org/t/p3-windows-newinstall-sketch-size-problem/13710)

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**Author:** [@bmcdeepak](https://discourse.processing.org/u/bmcdeepak)\
**Replies:** 3\
**Last updated:** [December 24, 2020, 7:34am UTC](https://discourse.processing.org/t/p3-windows-newinstall-sketch-size-problem/13710 "2020-12-24T07:34:35Z")

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Greetings! Just installed Processing 3.5.3 on a PC running Windows. No matter which sketch I run, including empty with no commands, the Run option always gives a sketch/display window the size of the entire display (not…

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## [I am finding an error while cloning the project in my local](https://discourse.processing.org/t/i-am-finding-an-error-while-cloning-the-project-in-my-local/26460)

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**Author:** [@Arpi1234](https://discourse.processing.org/u/Arpi1234)\
**Replies:** 3\
**Last updated:** [December 24, 2020, 4:48am UTC](https://discourse.processing.org/t/i-am-finding-an-error-while-cloning-the-project-in-my-local/26460 "2020-12-24T04:48:07Z")

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please format code with \</\> button \* homework policy \* asking questions error: RPC failed; curl 56 OpenSSL SSL\_read: error:1408F119:SSL routines:ssl3\_get\_record:decryption failed or bad record mac, errno 0 fatal: th…

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## [How to truncate, limit, clamp, constrain, shorten, etc ... a string?](https://discourse.processing.org/t/how-to-truncate-limit-clamp-constrain-shorten-etc-a-string/26458)

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**Author:** [@CaseyJ](https://discourse.processing.org/u/CaseyJ)\
**Replies:** 2\
**Last updated:** [December 24, 2020, 4:19am UTC](https://discourse.processing.org/t/how-to-truncate-limit-clamp-constrain-shorten-etc-a-string/26458 "2020-12-24T04:19:52Z")

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I have a better feeling for how to limit the run on numbers in a long decimal using the nf() function in Processing. However, how do you do this with a string? I see no alternative so maybe you can still use nf()? For…

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## [3D Rotation Question](https://discourse.processing.org/t/3d-rotation-question/26438)

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**Author:** [@RFullum](https://discourse.processing.org/u/RFullum)\
**Replies:** 8\
**Last updated:** [December 24, 2020, 12:05am UTC](https://discourse.processing.org/t/3d-rotation-question/26438 "2020-12-24T00:05:15Z")

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Hey all, I used the Flocking example as a starting point, and made a flocking sketch that works in 3D, with multiple flocks being influenced by FFT band amplitudes. The problem i’m running into is getting each boid to r…

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## [Beginner's problem with while() loop](https://discourse.processing.org/t/beginners-problem-with-while-loop/26469)

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**Author:** [@nazazaku](https://discourse.processing.org/u/nazazaku)\
**Replies:** 5\
**Last updated:** [December 23, 2020, 9:29pm UTC](https://discourse.processing.org/t/beginners-problem-with-while-loop/26469 "2020-12-23T21:29:35Z")

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I just want to do a simple grid with circles, but it just doesn’t work. The circles don’t complete the grid and stop at a random point. The circles stop at a different point each time I run the program. Pls help. I’m us…

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## [\[Processing / Python Mode\] Lagging when calculate and render every 60 frame per second](https://discourse.processing.org/t/processing-python-mode-lagging-when-calculate-and-render-every-60-frame-per-second/26451)

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**Author:** [@XiFlashlight](https://discourse.processing.org/u/XiFlashlight)\
**Replies:** 1\
**Last updated:** [December 23, 2020, 8:14pm UTC](https://discourse.processing.org/t/processing-python-mode-lagging-when-calculate-and-render-every-60-frame-per-second/26451 "2020-12-23T20:14:04Z")

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Hello there, I am recently started using Processing. I tried to make a line graph visualization, but when I play, The screen goes laggy, without CPU or memory pushing the limit It goes laggier and laggier when it tries …

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## [Raspberry Pi + Pi camera + motion detection + motion graphics](https://discourse.processing.org/t/raspberry-pi-pi-camera-motion-detection-motion-graphics/26479)

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**Author:** [@iris.go](https://discourse.processing.org/u/iris.go)\
**Replies:** 0\
**Last updated:** [December 23, 2020, 4:57pm UTC](https://discourse.processing.org/t/raspberry-pi-pi-camera-motion-detection-motion-graphics/26479 "2020-12-23T16:57:02Z")

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Hello, I would like to know if someone in this forum had ever used the Raspberry Pi and Pi camera as a sensor to control motion graphics (similar to Kinect but with pixels no IR). If you know more inform…

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## [Random movement](https://discourse.processing.org/t/random-movement/26464)

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**Author:** [@hullah](https://discourse.processing.org/u/hullah)\
**Replies:** 6\
**Last updated:** [December 23, 2020, 4:12pm UTC](https://discourse.processing.org/t/random-movement/26464 "2020-12-23T16:12:56Z")

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hey folks, I would like to code a game in which you see the ocean from top view (so far no problems) . On the ocean there should be a boat (imported png) that changes direction inside the window randomly. Which function…

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## [A problem with knowing if a window is minimized](https://discourse.processing.org/t/a-problem-with-knowing-if-a-window-is-minimized/26476)

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**Author:** [@dacoconutchemist](https://discourse.processing.org/u/dacoconutchemist)\
**Replies:** 0\
**Last updated:** [December 23, 2020, 3:16pm UTC](https://discourse.processing.org/t/a-problem-with-knowing-if-a-window-is-minimized/26476 "2020-12-23T15:16:28Z")

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Hi, I am new to here. I need to know if the main window is minimised. Full problem: I have a multi window G4P project and if the main window is minimized, I want to minimize others(G4P windows), I want them to act as on…

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## [Why is the result undefined?](https://discourse.processing.org/t/why-is-the-result-undefined/26430)

<div class="topic-metadata">

**Author:** [@olaf000olaf](https://discourse.processing.org/u/olaf000olaf)\
**Replies:** 26\
**Last updated:** [December 23, 2020, 3:16pm UTC](https://discourse.processing.org/t/why-is-the-result-undefined/26430 "2020-12-23T15:16:19Z")

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https://www.openprocessing.org/sketch/1048482 this is my code. I’m trying to make a weighted random function where the position of the weight in the array is the result. I want to be able to put three numbers in for ex…

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## [Dessiner plusieurs polygones et ils doivent formés une art polynomial](https://discourse.processing.org/t/dessiner-plusieurs-polygones-et-ils-doivent-formes-une-art-polynomial/26456)

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**Author:** [@nina](https://discourse.processing.org/u/nina)\
**Replies:** 4\
**Last updated:** [December 23, 2020, 1:34pm UTC](https://discourse.processing.org/t/dessiner-plusieurs-polygones-et-ils-doivent-formes-une-art-polynomial/26456 "2020-12-23T13:34:22Z")

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please format code with \</\> button \* homework policy \* asking questions Bonjour, J’ai fait un programme pour qu’il me fasse une translation si le déplacement était égale à vingt . Puis, j’ai utiliser une boucle For …

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## [How do I export groups of objects in SVG and find them correctly in Inkscape?](https://discourse.processing.org/t/how-do-i-export-groups-of-objects-in-svg-and-find-them-correctly-in-inkscape/16556)

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**Author:** [@411x](https://discourse.processing.org/u/411x)\
**Replies:** 8\
**Last updated:** [December 23, 2020, 12:42pm UTC](https://discourse.processing.org/t/how-do-i-export-groups-of-objects-in-svg-and-find-them-correctly-in-inkscape/16556 "2020-12-23T12:42:04Z")

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Hello, I have several shapes and I would like to assign a color to them, so that I can then print them layer by layer. So I would like to assign “objects” to a (color) group that I could then split into layers in inksc…

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## [\#codecember 2020 #day6](https://discourse.processing.org/t/codecember-2020-day6/26470)

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**Author:** [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)\
**Replies:** 0\
**Last updated:** [December 23, 2020, 12:25pm UTC](https://discourse.processing.org/t/codecember-2020-day6/26470 "2020-12-23T12:25:53Z")

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## [\#codecember 2020 #1](https://discourse.processing.org/t/codecember-2020-1/26468)

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**Author:** [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)\
**Replies:** 0\
**Last updated:** [December 23, 2020, 12:07pm UTC](https://discourse.processing.org/t/codecember-2020-1/26468 "2020-12-23T12:07:48Z")

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int w = 10, h = 10,scl=60,r =10; void setup() { size(600,600); } void draw() { background(0); stroke(255); for(int i = 0; i \< w; i++) for(int j = 0; j \< h; j++) { float a = getRotation( (i+0.5)\*scl, (j+0.5)\*s…

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## [Porting a project from Processing to p5.js, getting stuck on an error](https://discourse.processing.org/t/porting-a-project-from-processing-to-p5-js-getting-stuck-on-an-error/26454)

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**Author:** [@jjjolton](https://discourse.processing.org/u/jjjolton)\
**Replies:** 5\
**Last updated:** [December 23, 2020, 2:07am UTC](https://discourse.processing.org/t/porting-a-project-from-processing-to-p5-js-getting-stuck-on-an-error/26454 "2020-12-23T02:07:19Z")

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I’ve been working on getting a Processing project ported to p5.js, mostly just to figure out how to make it work. I’ve been stuck on an error ("There’s an error due to “MakeTriangle” not being defined in the current scop…

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## [Use launch() but have the app minimized?](https://discourse.processing.org/t/use-launch-but-have-the-app-minimized/26452)

<div class="topic-metadata">

**Author:** [@CaseyJ](https://discourse.processing.org/u/CaseyJ)\
**Replies:** 4\
**Last updated:** [December 23, 2020, 12:11am UTC](https://discourse.processing.org/t/use-launch-but-have-the-app-minimized/26452 "2020-12-23T00:11:49Z")

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Is there anyway to use launch() but have the app be minimized when it loads so it doesn’t cover the Processing sketch?

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## [Perlin Snake - snake game variation with noise based obstacles](https://discourse.processing.org/t/perlin-snake-snake-game-variation-with-noise-based-obstacles/26455)

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**Author:** [@Divitiacus](https://discourse.processing.org/u/Divitiacus)\
**Replies:** 0\
**Last updated:** [December 22, 2020, 11:41pm UTC](https://discourse.processing.org/t/perlin-snake-snake-game-variation-with-noise-based-obstacles/26455 "2020-12-22T23:41:12Z")

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This is a snake game variation, creating obstacles with the Processing noise function. //License:CC BY-NC-SA 4.0 //https://creativecommons.org/licenses/by-nc-sa/4.0/ //Fonts: //JuliaMono Typeface (by cormullion) //…

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## [Default folder when using selectFolder()?](https://discourse.processing.org/t/default-folder-when-using-selectfolder/26289)

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**Author:** [@CaseyJ](https://discourse.processing.org/u/CaseyJ)\
**Replies:** 3\
**Last updated:** [December 22, 2020, 7:49pm UTC](https://discourse.processing.org/t/default-folder-when-using-selectfolder/26289 "2020-12-22T19:49:48Z")

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I am new to the selectFolder() game but am loving it! I read in the documentation that there are a few arguments (correct word?) that allow for other options when using this function. I would like to ideally provided a…

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## [Help, code expecting EOF, found '}'](https://discourse.processing.org/t/help-code-expecting-eof-found/26444)

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**Author:** [@Dialias](https://discourse.processing.org/u/Dialias)\
**Replies:** 6\
**Last updated:** [December 22, 2020, 5:41pm UTC](https://discourse.processing.org/t/help-code-expecting-eof-found/26444 "2020-12-22T17:41:23Z")

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int money; PImage pic1; PImage pic2; int rx1 = 250; int ry1 = 200; int rwidth1 = 280; int rheight1 = 140; int rx2 = 600; int ry2 = 600; int rwidth2 = 780; int rheight2 = 780; void setup() { size(800, 600); m…

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## [Merge 2 codes and improve my work](https://discourse.processing.org/t/merge-2-codes-and-improve-my-work/26437)

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**Author:** [@ThibaultLapers](https://discourse.processing.org/u/ThibaultLapers)\
**Replies:** 5\
**Last updated:** [December 22, 2020, 4:45pm UTC](https://discourse.processing.org/t/merge-2-codes-and-improve-my-work/26437 "2020-12-22T16:45:33Z")

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Hello ! This is for a school work. I took someone’s code about dvdvideo meme (on OpenProcessing) and I improved it but really quickly. However, I would like to get help to actually go further in the work to fill the r…

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## [Codecember 2020 #13](https://discourse.processing.org/t/codecember-2020-13/26446)

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**Author:** [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)\
**Replies:** 0\
**Last updated:** [December 22, 2020, 3:40pm UTC](https://discourse.processing.org/t/codecember-2020-13/26446 "2020-12-22T15:40:50Z")

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\#codecember int maxAge = 200 , n = 100, maxRange = 150; ArrayList\<PVector\> fromPath = new ArrayList\<PVector\>(); ArrayList\<PVector\> toPath = new ArrayList\<PVector\>(); ArrayList\<Float\> age = new ArrayList\<Float\>(); void …

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## [React and P5 problem with loadSound and loadImage](https://discourse.processing.org/t/react-and-p5-problem-with-loadsound-and-loadimage/26440)

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**Author:** [@teemee](https://discourse.processing.org/u/teemee)\
**Replies:** 1\
**Last updated:** [December 22, 2020, 3:34pm UTC](https://discourse.processing.org/t/react-and-p5-problem-with-loadsound-and-loadimage/26440 "2020-12-22T15:34:23Z")

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I’m new to React and Node.js and I have a problem using it with P5.js. I have successfully made this project with p5.js and tone.js but the project involved some sensitive data that I want to hide from the public, such a…

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## [Setting an Array\[\] as function parameter](https://discourse.processing.org/t/setting-an-array-as-function-parameter/26429)

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**Author:** [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)\
**Replies:** 2\
**Last updated:** [December 22, 2020, 12:45pm UTC](https://discourse.processing.org/t/setting-an-array-as-function-parameter/26429 "2020-12-22T12:45:48Z")

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Hi! I made a quiz program where you have to create a String q\[\] = {"what is the first letter?","a","b","c"}; and use this in addQuestion(q,2); is it possible to use something like addQuestion( {"what is the first lette…

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## [Help with minim](https://discourse.processing.org/t/help-with-minim/6784)

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**Author:** [@Dia](https://discourse.processing.org/u/Dia)\
**Replies:** 2\
**Last updated:** [December 22, 2020, 11:45am UTC](https://discourse.processing.org/t/help-with-minim/6784 "2020-12-22T11:45:24Z")

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Hi , so i’m trying to build a synth using minim, i took aside, the “CreateAnInstrument” exemple to build a keyboard, the problem is i would like to make so that when the key to play the note is released, the note stops p…

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## [Using sin() function](https://discourse.processing.org/t/using-sin-function/26293)

<div class="topic-metadata">

**Author:** [@yhlaskerimov](https://discourse.processing.org/u/yhlaskerimov)\
**Replies:** 5\
**Last updated:** [December 22, 2020, 9:03am UTC](https://discourse.processing.org/t/using-sin-function/26293 "2020-12-22T09:03:19Z")

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Hi, everyone ! I want to ask, when using function sin(), how to control it ? I mean, when sin() reaches to -1 I want to say stop and move after some time. For example, see this sketch . I appreciate any help, thanks ! …

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## [How to define two types of variables in a for-loop](https://discourse.processing.org/t/how-to-define-two-types-of-variables-in-a-for-loop/26414)

<div class="topic-metadata">

**Author:** [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)\
**Replies:** 7\
**Last updated:** [December 22, 2020, 8:47am UTC](https://discourse.processing.org/t/how-to-define-two-types-of-variables-in-a-for-loop/26414 "2020-12-22T08:47:18Z")

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Hi! Today I leared something like this size(600, 600); for (int i = 0, mi = 10, r = 200; i \< mi; i++) line(cos(TWO\_PI/mi\*i)\*r+width/2, sin(TWO\_PI/mi\*i)\*r+height/2, cos(TWO\_PI/mi\*(i+1))\*r+width/2, sin(TWO\_PI/mi\*(i+1))\*r…

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