# Latest

**URL:** https://discourse.processing.org/latest.md?page=620

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

**Page:** 621

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## [Draw() function never activated after the app is executed](https://discourse.processing.org/t/draw-function-never-activated-after-the-app-is-executed/461)

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**Author:** [@yassin](https://discourse.processing.org/u/yassin)\
**Replies:** 3\
**Last updated:** [May 29, 2018, 9:48am UTC](https://discourse.processing.org/t/draw-function-never-activated-after-the-app-is-executed/461 "2018-05-29T09:48:29Z")

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I don’t know why my draw function is not working here. I’m wokring with Android (under Android Studio) and it never happened before (at least while I was testing the example available on the website). So my sketch didn’…

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## [What means RawY\[RawY.length-1\]](https://discourse.processing.org/t/what-means-rawy-rawy-length-1/341)

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**Author:** [@Tom](https://discourse.processing.org/u/Tom)\
**Replies:** 5\
**Last updated:** [May 29, 2018, 9:13am UTC](https://discourse.processing.org/t/what-means-rawy-rawy-length-1/341 "2018-05-29T09:13:11Z")

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Dear Processing specialists, I’m working with this project: https://github.com/WorldFamousElectronics/PulseSensor\_Amped\_Processing\_Visualizer I’d like to change the looks of the Processing window a bit: I’d like to red…

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## [Iterating a variable within a recursive drawing](https://discourse.processing.org/t/iterating-a-variable-within-a-recursive-drawing/321)

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**Author:** [@Focksbot](https://discourse.processing.org/u/Focksbot)\
**Replies:** 2\
**Last updated:** [May 29, 2018, 12:42am UTC](https://discourse.processing.org/t/iterating-a-variable-within-a-recursive-drawing/321 "2018-05-29T00:42:35Z")

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Hi! I’m playing around with the code for Casey Reas’ Repeat: Recursion Tree ( http://formandcode.com/code-examples/repeat-recursive-tree ). I’d like to change it so that instead of there being a 2% chance of it creating…

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## [Regarding the Fellowship program](https://discourse.processing.org/t/regarding-the-fellowship-program/483)

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**Author:** [@palash25](https://discourse.processing.org/u/palash25)\
**Replies:** 1\
**Last updated:** [May 29, 2018, 5:43am UTC](https://discourse.processing.org/t/regarding-the-fellowship-program/483 "2018-05-29T05:43:56Z")

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I wanted to know how do potential fellows go about choosing a project / area to work on for the fellowship. Is there a list of project ideas that the Processing Foundation wants the fellows to implement (if yes then I w…

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## [Pushing a 7712x960 Binary image to p5.js is Super slow. Is there a better way?](https://discourse.processing.org/t/pushing-a-7712x960-binary-image-to-p5-js-is-super-slow-is-there-a-better-way/371)

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**Author:** [@Rosaku](https://discourse.processing.org/u/Rosaku)\
**Replies:** 14\
**Last updated:** [May 29, 2018, 5:00am UTC](https://discourse.processing.org/t/pushing-a-7712x960-binary-image-to-p5-js-is-super-slow-is-there-a-better-way/371 "2018-05-29T05:00:49Z")

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Hi, first of all this is my first post, so go easy on me if i am posting in the wrong place :slight\_smile: So what i am trying to do is render an image that is stored as a raw byte array. I am able to do that but its SU…

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## [Movie Library, plus Kinect/El Capitan: movie playback issues, Kinect depth data](https://discourse.processing.org/t/movie-library-plus-kinect-el-capitan-movie-playback-issues-kinect-depth-data/319)

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**Author:** [@moedigs](https://discourse.processing.org/u/moedigs)\
**Replies:** 1\
**Last updated:** [May 28, 2018, 10:16pm UTC](https://discourse.processing.org/t/movie-library-plus-kinect-el-capitan-movie-playback-issues-kinect-depth-data/319 "2018-05-28T22:16:56Z")

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Hi there, Running a sketch with a movie and floating images on top of it. The movie is running super slowly-- maybe half its intended frame rate. Hoping to incorporate Kinect for the position of the images, currently i…

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## [Calendar - how can i get the first day of month by processing?](https://discourse.processing.org/t/calendar-how-can-i-get-the-first-day-of-month-by-processing/468)

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**Author:** [@basher24](https://discourse.processing.org/u/basher24)\
**Replies:** 3\
**Last updated:** [May 28, 2018, 10:05pm UTC](https://discourse.processing.org/t/calendar-how-can-i-get-the-first-day-of-month-by-processing/468 "2018-05-28T22:05:05Z")

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how can i get the first day of month by processing ? Sunday or Monday Or … Or Saturday thanx Basher

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## [Why is there an array out of bounds here?](https://discourse.processing.org/t/why-is-there-an-array-out-of-bounds-here/476)

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**Author:** [@frankbaugh](https://discourse.processing.org/u/frankbaugh)\
**Replies:** 4\
**Last updated:** [May 28, 2018, 9:23pm UTC](https://discourse.processing.org/t/why-is-there-an-array-out-of-bounds-here/476 "2018-05-28T21:23:27Z")

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mover\[\] james; attractor ben; boolean start = false; float\[\]\[\]\[\] orbits = new float\[5\]\[20000\]\[1\]; int njames = 5; int orbitcount = 0; float fconstant = 0.005; void setup() { size(800, 800); james = new mover\[njames\]; …

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## [Hello p5 community: Tell me why you love p5js!](https://discourse.processing.org/t/hello-p5-community-tell-me-why-you-love-p5js/471)

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**Author:** [@elginskye](https://discourse.processing.org/u/elginskye)\
**Replies:** 0\
**Last updated:** [May 28, 2018, 6:00pm UTC](https://discourse.processing.org/t/hello-p5-community-tell-me-why-you-love-p5js/471 "2018-05-28T18:00:36Z")

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Hi everyone! I’m super excited to be working on a Google Summer of Code project to update the hello.p5js page. This page serves as a short video introduction for p5 (like a movie trailer…but better…because it’s about pr…

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## [Getting started with Shaders](https://discourse.processing.org/t/getting-started-with-shaders/296)

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**Author:** [@justin\_lincoln](https://discourse.processing.org/u/justin_lincoln)\
**Replies:** 12\
**Last updated:** [May 28, 2018, 3:04pm UTC](https://discourse.processing.org/t/getting-started-with-shaders/296 "2018-05-28T15:04:29Z")

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Hi folks. I’ve enjoyed and recommend https://thebookofshaders.com/. I find the subject fascinating and have successfully run a few other people’s shaders. However I have an embarrassingly basic question. When I try to ru…

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## [Post to test discourse features](https://discourse.processing.org/t/post-to-test-discourse-features/425)

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**Author:** [@kfrajer](https://discourse.processing.org/u/kfrajer)\
**Replies:** 8\
**Last updated:** [May 28, 2018, 6:40am UTC](https://discourse.processing.org/t/post-to-test-discourse-features/425 "2018-05-28T06:40:15Z")

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Testing adding a code from codepen here: Reference: http://happycoding.io/blog/the-codepen-is-mightier-than-the-sword Kf

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## [G4P Library - change button color after adding to panel](https://discourse.processing.org/t/g4p-library-change-button-color-after-adding-to-panel/369)

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**Author:** [@erichwe](https://discourse.processing.org/u/erichwe)\
**Replies:** 2\
**Last updated:** [May 28, 2018, 5:49am UTC](https://discourse.processing.org/t/g4p-library-change-button-color-after-adding-to-panel/369 "2018-05-28T05:49:26Z")

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Hi there! I created a GButton of the G4P library and added this button successfully to my panel - it has now the color of the current colorscheme. Is there a way to change to color of the button AFTER adding it to the p…

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## [School project problem (arduino)](https://discourse.processing.org/t/school-project-problem-arduino/433)

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**Author:** [@Ada](https://discourse.processing.org/u/Ada)\
**Replies:** 5\
**Last updated:** [May 28, 2018, 5:25am UTC](https://discourse.processing.org/t/school-project-problem-arduino/433 "2018-05-28T05:25:24Z")

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hi guys, i’m trying to make a school project with arduino and processing but I have a problem. I’m trying to make a controller with 4 buttons that send the digital signal via serial to a processing game that I made, i s…

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## [Problem with reading a .csv file](https://discourse.processing.org/t/problem-with-reading-a-csv-file/312)

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**Author:** [@azbi](https://discourse.processing.org/u/azbi)\
**Replies:** 21\
**Last updated:** [May 28, 2018, 1:41am UTC](https://discourse.processing.org/t/problem-with-reading-a-csv-file/312 "2018-05-28T01:41:13Z")

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Hello, I have a problem in my program when I decide to read a .csv file, it appears line by line but each word is separated by a semicolon (I have trouble explaining this problem but I think that you understand what is h…

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## [Code game contest](https://discourse.processing.org/t/code-game-contest/336)

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**Author:** [@rosekl](https://discourse.processing.org/u/rosekl)\
**Replies:** 2\
**Last updated:** [May 28, 2018, 1:17am UTC](https://discourse.processing.org/t/code-game-contest/336 "2018-05-28T01:17:40Z")

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I discovered this interesting contest. All programming languages are welcome. I believe that many Processing users are good at game programming. They may want to join. https://www.syntaxbomb.com/index.php/topic,4503.0.h…

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## [QueasyCam Problem](https://discourse.processing.org/t/queasycam-problem/447)

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**Author:** [@VansiusProductions](https://discourse.processing.org/u/VansiusProductions)\
**Replies:** 2\
**Last updated:** [May 27, 2018, 11:42pm UTC](https://discourse.processing.org/t/queasycam-problem/447 "2018-05-27T23:42:08Z")

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Hi, I’m currently using the QueasyCam library. When I move around the scene, the box will eventually disappear. How do i fix this? Gif to show what is happening I used the sample code provided Thanks

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## [Generate image signature](https://discourse.processing.org/t/generate-image-signature/424)

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**Author:** [@kfrajer](https://discourse.processing.org/u/kfrajer)\
**Replies:** 7\
**Last updated:** [May 27, 2018, 11:33pm UTC](https://discourse.processing.org/t/generate-image-signature/424 "2018-05-27T23:33:40Z")

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Hi Has anybody implemented before, or know of any resources available, to generate a unique image signature. The signature would be based on image content (pixels). This is my case. I have a folder with a bunch of image…

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## [Multi channel audio](https://discourse.processing.org/t/multi-channel-audio/443)

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**Author:** [@crazylogic](https://discourse.processing.org/u/crazylogic)\
**Replies:** 3\
**Last updated:** [May 27, 2018, 11:05pm UTC](https://discourse.processing.org/t/multi-channel-audio/443 "2018-05-27T23:05:23Z")

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Hi All, I’m trying to build a sketch that shows me levels of audio coming into a system. I want to be able to do more than 2 channels so i know that i need more than the processing.sound library can provide currently an…

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## [How to save programs made by Processing for Android](https://discourse.processing.org/t/how-to-save-programs-made-by-processing-for-android/429)

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**Author:** [@sparkling](https://discourse.processing.org/u/sparkling)\
**Replies:** 1\
**Last updated:** [May 27, 2018, 5:07pm UTC](https://discourse.processing.org/t/how-to-save-programs-made-by-processing-for-android/429 "2018-05-27T17:07:21Z")

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Our team from South Korea made game with Processing for Android. However, We don’t no how to save game record when we play game. Please tell us how to make ability to save games in program made by Processing for Androi…

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## [What do you use as a wait signal for a lengthy operation?](https://discourse.processing.org/t/what-do-you-use-as-a-wait-signal-for-a-lengthy-operation/440)

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**Author:** [@0RBFjW1gIPF1BjNz](https://discourse.processing.org/u/0RBFjW1gIPF1BjNz)\
**Replies:** 4\
**Last updated:** [May 27, 2018, 4:00pm UTC](https://discourse.processing.org/t/what-do-you-use-as-a-wait-signal-for-a-lengthy-operation/440 "2018-05-27T16:00:48Z")

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I have a sketch that produces different results when I move the cursor (in void draw). It also has a function (in void keyPressed) to save the current result as a gigantic image whenever I press a key. This leads to the …

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## [ArrayList Processing](https://discourse.processing.org/t/arraylist-processing/410)

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**Author:** [@Hedre](https://discourse.processing.org/u/Hedre)\
**Replies:** 6\
**Last updated:** [May 27, 2018, 11:14am UTC](https://discourse.processing.org/t/arraylist-processing/410 "2018-05-27T11:14:33Z")

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Hi Firstly, I’m french, so my english is not so good :slight\_smile: and I have trouble using the forum I programmed a kind of Space Invaders, it’s a project for the school. I must have finished him for monday but I hav…

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## [Forum: specify code language](https://discourse.processing.org/t/forum-specify-code-language/227)

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**Author:** [@jeremydouglass](https://discourse.processing.org/u/jeremydouglass)\
**Replies:** 4\
**Last updated:** [May 27, 2018, 7:19am UTC](https://discourse.processing.org/t/forum-specify-code-language/227 "2018-05-27T07:19:08Z")

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The most common languages on the Processing forum are Java, JavaScript / HTML+CSS, and Python – although lots of other things get talked about, including Ruby, R, CoffeeScript, et cetera. The new Discourse forum uses hi…

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## [Struggling with code - New programmer](https://discourse.processing.org/t/struggling-with-code-new-programmer/150)

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**Author:** [@sabz20005](https://discourse.processing.org/u/sabz20005)\
**Replies:** 10\
**Last updated:** [May 27, 2018, 6:09am UTC](https://discourse.processing.org/t/struggling-with-code-new-programmer/150 "2018-05-27T06:09:41Z")

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Hey guys, this is my first post so I hope I hope I’m doing this correctly. I am trying to create a code where each time an object hits the bottom of the screen a new circle is on the screen, starting in the top left scre…

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## [Multiple textfields using controlP5 library and how to remove them](https://discourse.processing.org/t/multiple-textfields-using-controlp5-library-and-how-to-remove-them/415)

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**Author:** [@johnakospapa](https://discourse.processing.org/u/johnakospapa)\
**Replies:** 2\
**Last updated:** [May 27, 2018, 4:04am UTC](https://discourse.processing.org/t/multiple-textfields-using-controlp5-library-and-how-to-remove-them/415 "2018-05-27T04:04:23Z")

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In the code I wrote here I am giving the number of textfields(max 18) as an input and when I press the button generate the number of textfields appear. The problem is that when I retype a number on the input textfield I …

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## [Assign multiple random colors to Kinect users on screen](https://discourse.processing.org/t/assign-multiple-random-colors-to-kinect-users-on-screen/422)

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**Author:** [@clab](https://discourse.processing.org/u/clab)\
**Replies:** 4\
**Last updated:** [May 27, 2018, 2:30am UTC](https://discourse.processing.org/t/assign-multiple-random-colors-to-kinect-users-on-screen/422 "2018-05-27T02:30:00Z")

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This is a school project and I am having trouble. I want to add more than one color, for now, I am only able to add pink color(255, 0, 140); when a person is n front of the Kinect. I would want random colors to appear ea…

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## [Getting the sums of an array](https://discourse.processing.org/t/getting-the-sums-of-an-array/402)

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**Author:** [@dereklop](https://discourse.processing.org/u/dereklop)\
**Replies:** 2\
**Last updated:** [May 26, 2018, 5:47pm UTC](https://discourse.processing.org/t/getting-the-sums-of-an-array/402 "2018-05-26T17:47:53Z")

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This is my code i have cvs file with values and dates in it. I want to be able to get the average of each day and month. So far i am able to get the value for each month but it would require a lot of input to get all the…

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## [Using Images In Browser with ProcessingJs](https://discourse.processing.org/t/using-images-in-browser-with-processingjs/390)

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**Author:** [@CrispyCabot](https://discourse.processing.org/u/CrispyCabot)\
**Replies:** 4\
**Last updated:** [May 26, 2018, 5:33pm UTC](https://discourse.processing.org/t/using-images-in-browser-with-processingjs/390 "2018-05-26T17:33:05Z")

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So I am struggling a lot with processingjs. Not sure why but I just can’t figure out how to get my processing code properly into an html file. I have two problems right now that I need help with. I don’t know how to lo…

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## [Detecting large data-sets](https://discourse.processing.org/t/detecting-large-data-sets/358)

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**Author:** [@shan](https://discourse.processing.org/u/shan)\
**Replies:** 15\
**Last updated:** [May 26, 2018, 1:51pm UTC](https://discourse.processing.org/t/detecting-large-data-sets/358 "2018-05-26T13:51:42Z")

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Kindly help me to guide how should start implementing using processing. I have attach link below. https://youtu.be/EZgiYYxUT74

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## [Circles appear each time the tool hits the player -beginner pls help](https://discourse.processing.org/t/circles-appear-each-time-the-tool-hits-the-player-beginner-pls-help/388)

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**Author:** [@negulix\_niki](https://discourse.processing.org/u/negulix_niki)\
**Replies:** 5\
**Last updated:** [May 26, 2018, 1:20pm UTC](https://discourse.processing.org/t/circles-appear-each-time-the-tool-hits-the-player-beginner-pls-help/388 "2018-05-26T13:20:52Z")

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I am to trying to complete a project . It is like a game each time the tools come down the screen a circle should appear and fill the screen and if the tools hit the person in the game the circles turn to red. I know th…

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## [Assign random color to each circle](https://discourse.processing.org/t/assign-random-color-to-each-circle/348)

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**Author:** [@jcw016](https://discourse.processing.org/u/jcw016)\
**Replies:** 7\
**Last updated:** [May 25, 2018, 11:49pm UTC](https://discourse.processing.org/t/assign-random-color-to-each-circle/348 "2018-05-25T23:49:20Z")

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I am trying to complete a school project and this is what I have right now (see below). I want to assign a random color to each circle every time - but right now, I am stuck at where the same color is being assigned to a…

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