# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=103

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

**Page:** 104

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## [More recent information about WiiMote programming?](https://discourse.processing.org/t/more-recent-information-about-wiimote-programming/39622)

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**Author:** [@bigboss97](https://discourse.processing.org/u/bigboss97)\
**Replies:** 1\
**Last updated:** [November 8, 2022, 2:06pm UTC](https://discourse.processing.org/t/more-recent-information-about-wiimote-programming/39622 "2022-11-08T14:06:45Z")

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I want to do something with my WiiMote. I’ve search on net and found different places. But they all have some dead links. If someone can point me to some more recent resources that would be great. I’ve tried Game Contro…

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## [How do I launch a Processing app? launch() FIXED! (use a shortcut if a program does not launch!)](https://discourse.processing.org/t/how-do-i-launch-a-processing-app-launch-fixed-use-a-shortcut-if-a-program-does-not-launch/39620)

<div class="topic-metadata">

**Author:** [@Lissie](https://discourse.processing.org/u/Lissie)\
**Replies:** 5\
**Last updated:** [November 8, 2022, 1:33pm UTC](https://discourse.processing.org/t/how-do-i-launch-a-processing-app-launch-fixed-use-a-shortcut-if-a-program-does-not-launch/39620 "2022-11-08T13:33:42Z")

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how do i launch a processing app, that need contents like “data” and “lib” to open? i wanna launch a splashscreen sooo I just found out making a shortcut to an application works 100% fine, so if you have a script that n…

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## [Android mode download SDK](https://discourse.processing.org/t/android-mode-download-sdk/32278)

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**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 3\
**Last updated:** [November 8, 2022, 1:21pm UTC](https://discourse.processing.org/t/android-mode-download-sdk/32278 "2022-11-08T13:21:31Z")

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Hi Months ago I was trying to run processing 3.5.4 via Android mode Massage appears asking to to locate sdk tools or download it The download process was failed to continue and I downloaded sdk manually and then loca…

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## [Multiple Serial in multiple windows can it be Done?](https://discourse.processing.org/t/multiple-serial-in-multiple-windows-can-it-be-done/39325)

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**Author:** [@Graci2017](https://discourse.processing.org/u/Graci2017)\
**Replies:** 14\
**Last updated:** [November 8, 2022, 1:12pm UTC](https://discourse.processing.org/t/multiple-serial-in-multiple-windows-can-it-be-done/39325 "2022-11-08T13:12:21Z")

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Hello Processing community. I am working with multiple Windows and with multiple Serials. I been trying to separate my 2 serial data into 2 different Windows (not 1 windows with multiple panes) in processing. Hopefully…

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## [Serial connection between Processing and Arduino doesn’t work](https://discourse.processing.org/t/serial-connection-between-processing-and-arduino-doesn-t-work/39557)

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**Author:** [@Mathis](https://discourse.processing.org/u/Mathis)\
**Replies:** 8\
**Last updated:** [November 8, 2022, 12:56pm UTC](https://discourse.processing.org/t/serial-connection-between-processing-and-arduino-doesn-t-work/39557 "2022-11-08T12:56:53Z")

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Hello, I’m trying to send data from Arduino to processing via serial. I’m getting no errors on either side, and all seems to work. Just one problem : the data doesn’t arrive in processing… Here is the code from Ardui…

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## [Questions about the Processing sound library](https://discourse.processing.org/t/questions-about-the-processing-sound-library/39626)

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**Author:** [@dormirj](https://discourse.processing.org/u/dormirj)\
**Replies:** 0\
**Last updated:** [November 8, 2022, 12:35pm UTC](https://discourse.processing.org/t/questions-about-the-processing-sound-library/39626 "2022-11-08T12:35:41Z")

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Hello there, i want to create a few simple examples of types of sound synthesis in Processing. The basics of the processing.sound library are clear to me, i can play sound sources, process them through effects and trigg…

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## [Some troubles using MidiBus on Mac](https://discourse.processing.org/t/some-troubles-using-midibus-on-mac/39624)

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**Author:** [@BBellamy](https://discourse.processing.org/u/BBellamy)\
**Replies:** 0\
**Last updated:** [November 8, 2022, 12:25pm UTC](https://discourse.processing.org/t/some-troubles-using-midibus-on-mac/39624 "2022-11-08T12:25:46Z")

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Hi, I really enjoy programming with Processing, and doing stuff with midi and synthesizers, and I’ve been working for quite some time on a little midi sequencer of my own using the MidiBus, which is great, but I realise…

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## [How do I avoid "blending" or "bleeding" of edges of solidly-colored shapes?](https://discourse.processing.org/t/how-do-i-avoid-blending-or-bleeding-of-edges-of-solidly-colored-shapes/39569)

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**Author:** [@sleepingsun](https://discourse.processing.org/u/sleepingsun)\
**Replies:** 8\
**Last updated:** [November 7, 2022, 9:17pm UTC](https://discourse.processing.org/t/how-do-i-avoid-blending-or-bleeding-of-edges-of-solidly-colored-shapes/39569 "2022-11-07T21:17:47Z")

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Hi all Whenever I draw a solid shape of one color, wherever it has an edge meeting up with a different color, it will have a different color along the edge. Not the color of the shape, not the color that is outside the …

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## [Possible to restrict mouseDragged to canvas in instance mode?](https://discourse.processing.org/t/possible-to-restrict-mousedragged-to-canvas-in-instance-mode/39606)

<div class="topic-metadata">

**Author:** [@res56](https://discourse.processing.org/u/res56)\
**Replies:** 5\
**Last updated:** [November 7, 2022, 6:40pm UTC](https://discourse.processing.org/t/possible-to-restrict-mousedragged-to-canvas-in-instance-mode/39606 "2022-11-07T18:40:34Z")

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Hi frens, I want to register the mouseDragged Function to a canvas in instance mode (within a react component). But mouseDragged is not available (only mousePressed and mouseClicked…). Is there a workaround to check i…

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## [PImage background() call not working](https://discourse.processing.org/t/pimage-background-call-not-working/39597)

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**Author:** [@playinmyblues](https://discourse.processing.org/u/playinmyblues)\
**Replies:** 1\
**Last updated:** [November 7, 2022, 4:29pm UTC](https://discourse.processing.org/t/pimage-background-call-not-working/39597 "2022-11-07T16:29:39Z")

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I am working my way through Ira Greenberg’s original version of “Processing: Creative Coding and Computational Art.” On page 195 there is an example of using the PImage class for draw lines using pixels. The code is fair…

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## [Losing mouse events on touchscreen devices](https://discourse.processing.org/t/losing-mouse-events-on-touchscreen-devices/39613)

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**Author:** [@ottenm](https://discourse.processing.org/u/ottenm)\
**Replies:** 2\
**Last updated:** [November 7, 2022, 3:47pm UTC](https://discourse.processing.org/t/losing-mouse-events-on-touchscreen-devices/39613 "2022-11-07T15:47:58Z")

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When I run the sketch below and press and release my actual mouse, I get mousePressed(), then tons of 'true’s until I let go, then mouseReleased(). Great! But if I do the same thing on the touchscreen, I don’t get mous…

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## [Nominations for the 2023 Open Source Arts Contributor’s Conference](https://discourse.processing.org/t/nominations-for-the-2023-open-source-arts-contributor-s-conference/39618)

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**Author:** [@saberkhan](https://discourse.processing.org/u/saberkhan)\
**Replies:** 0\
**Last updated:** [November 7, 2022, 3:44pm UTC](https://discourse.processing.org/t/nominations-for-the-2023-open-source-arts-contributor-s-conference/39618 "2022-11-07T15:44:08Z")

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Hi everyone, An in-person contributor conference for open-source tools for the arts is being organized for April 13 - 15 at the University of Denver by the Clinic of Open Source Arts and Processing Foundation. You can r…

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## [In Java, can an interface extend several interfaces?](https://discourse.processing.org/t/in-java-can-an-interface-extend-several-interfaces/39612)

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**Author:** [@neon124](https://discourse.processing.org/u/neon124)\
**Replies:** 1\
**Last updated:** [November 7, 2022, 12:34pm UTC](https://discourse.processing.org/t/in-java-can-an-interface-extend-several-interfaces/39612 "2022-11-07T12:34:04Z")

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In Java, can an interface extend several interfaces? This code looks to be valid in my IDE and compiles: interface Foo extends Runnable, Set, Comparator\<String\> { } However, I looked up on the internet from various sou…

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## [My account web editor on P5js is safe for security?](https://discourse.processing.org/t/my-account-web-editor-on-p5js-is-safe-for-security/39599)

<div class="topic-metadata">

**Author:** [@wonwoo](https://discourse.processing.org/u/wonwoo)\
**Replies:** 1\
**Last updated:** [November 7, 2022, 8:44am UTC](https://discourse.processing.org/t/my-account-web-editor-on-p5js-is-safe-for-security/39599 "2022-11-07T08:44:09Z")

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Hi, All. If I upload an image to my account web editor on P5js, is it safe for security? Maybe someone else can see it or use it without permission, right? Thanks. Best, @bemoregt.

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## [Is There a Free, Up-to-date Offline/Downloadable Reference?](https://discourse.processing.org/t/is-there-a-free-up-to-date-offline-downloadable-reference/39595)

<div class="topic-metadata">

**Author:** [@cottonchipper](https://discourse.processing.org/u/cottonchipper)\
**Replies:** 4\
**Last updated:** [November 6, 2022, 4:27pm UTC](https://discourse.processing.org/t/is-there-a-free-up-to-date-offline-downloadable-reference/39595 "2022-11-06T16:27:06Z")

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I’m going to be away from internet access and working on an iPad. I’ve got a P5js editor installed, but I really need a good P5js reference. I’ve found a PDF version of “Getting Started with P5js” but it doesn’t seem to …

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## [Having multiple sketches running and mixing them in Open Broadcaster Software (OBS)?](https://discourse.processing.org/t/having-multiple-sketches-running-and-mixing-them-in-open-broadcaster-software-obs/39580)

<div class="topic-metadata">

**Author:** [@amundsen](https://discourse.processing.org/u/amundsen)\
**Replies:** 2\
**Last updated:** [November 7, 2022, 8:10am UTC](https://discourse.processing.org/t/having-multiple-sketches-running-and-mixing-them-in-open-broadcaster-software-obs/39580 "2022-11-07T08:10:09Z")

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Hello, Is anyone running several sketches and mixing them using OBS? How smooth is it? Thank you in advance.

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## [Run in Android mode keyboard shortcut duplication (Ctrl+D)](https://discourse.processing.org/t/run-in-android-mode-keyboard-shortcut-duplication-ctrl-d/39596)

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**Author:** [@outslider](https://discourse.processing.org/u/outslider)\
**Replies:** 0\
**Last updated:** [November 6, 2022, 10:39pm UTC](https://discourse.processing.org/t/run-in-android-mode-keyboard-shortcut-duplication-ctrl-d/39596 "2022-11-06T22:39:02Z")

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In the Processing IDE the Ctrl+D shortcut is ambiguous. There are two functions that it is assigned to: Main menu → Sketch → Run on Device (Ctrl+D) Main menu → Sketch → Debug →Enable Debugger (Ctrl+D) Due to this ambi…

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## [GUI Builder for G4P not working with Processing 4 ### FIXED ###](https://discourse.processing.org/t/gui-builder-for-g4p-not-working-with-processing-4-fixed/35746)

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**Author:** [@bonner45](https://discourse.processing.org/u/bonner45)\
**Replies:** 12\
**Last updated:** [November 6, 2022, 11:15am UTC](https://discourse.processing.org/t/gui-builder-for-g4p-not-working-with-processing-4-fixed/35746 "2022-11-06T11:15:59Z")

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I downloaded Processing 4.0 beta 7 and so far I really like it. However when I try to fire up the G4P tool it opens up and I get this Exception. Exception in thread "AWT-EventQueue-0" java.lang.NoSuchMethodError: 'int p…

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## [Problem with delete shader for optimization](https://discourse.processing.org/t/problem-with-delete-shader-for-optimization/39523)

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**Author:** [@Omri](https://discourse.processing.org/u/Omri)\
**Replies:** 5\
**Last updated:** [November 6, 2022, 10:43am UTC](https://discourse.processing.org/t/problem-with-delete-shader-for-optimization/39523 "2022-11-06T10:43:23Z")

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hey :slight\_smile: I have a big sketch with a lot of shaders that I use at different times. so for optimizations, I want to delete the PGraphics and the shaders that I don’t want to use anymore. (As recommended here: W…

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## [Lithography print with p5.js](https://discourse.processing.org/t/lithography-print-with-p5-js/39590)

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**Author:** [@micuat](https://discourse.processing.org/u/micuat)\
**Replies:** 0\
**Last updated:** [November 5, 2022, 10:29pm UTC](https://discourse.processing.org/t/lithography-print-with-p5-js/39590 "2022-11-05T22:29:21Z")

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hi community, I’ve been working on lithography which is an analog printing method in my case with outlines generated in p5.js (not to be confused with risograph - which is a digital process and I also did with Proces…

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## [How to make 3D with Processing core library](https://discourse.processing.org/t/how-to-make-3d-with-processing-core-library/19710)

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**Author:** [@Ayfri](https://discourse.processing.org/u/Ayfri)\
**Replies:** 6\
**Last updated:** [November 5, 2022, 3:48pm UTC](https://discourse.processing.org/t/how-to-make-3d-with-processing-core-library/19710 "2022-11-05T15:48:48Z")

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I’m using the Processing library in a simple Java project and I tried to make 3D but I got errors, this is my code : package fr.ayfri; import processing.core.PApplet; import processing.core.PConstants; public class Mai…

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## [Weird behavior Closing and opening serial Port in Windows. Bug?](https://discourse.processing.org/t/weird-behavior-closing-and-opening-serial-port-in-windows-bug/39559)

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**Author:** [@PAk](https://discourse.processing.org/u/PAk)\
**Replies:** 3\
**Last updated:** [November 5, 2022, 2:32pm UTC](https://discourse.processing.org/t/weird-behavior-closing-and-opening-serial-port-in-windows-bug/39559 "2022-11-05T14:32:27Z")

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Hello I am trying to close and reopening a serial port in Windows ( CP210x) and it is not possible. This is some pretty simple code: case '9': println("pre-serial: "+serial); serial.clear(); serial.s…

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## [Best MIDI library to receive MIDI messages in Processing?](https://discourse.processing.org/t/best-midi-library-to-receive-midi-messages-in-processing/39579)

<div class="topic-metadata">

**Author:** [@amundsen](https://discourse.processing.org/u/amundsen)\
**Replies:** 3\
**Last updated:** [November 5, 2022, 1:21pm UTC](https://discourse.processing.org/t/best-midi-library-to-receive-midi-messages-in-processing/39579 "2022-11-05T13:21:16Z")

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Hello, Which library would you recommend to receive MIDI messages in Processing (running in Windows) ? I’ve seen there’s the midiBus library. Also, Minim seems to be able to send MIDI messages, but I don’t see any exam…

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## [Creating a world map of where it's nighttime or daytime](https://discourse.processing.org/t/creating-a-world-map-of-where-its-nighttime-or-daytime/39584)

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**Author:** [@David1](https://discourse.processing.org/u/David1)\
**Replies:** 3\
**Last updated:** [November 4, 2022, 10:55pm UTC](https://discourse.processing.org/t/creating-a-world-map-of-where-its-nighttime-or-daytime/39584 "2022-11-04T22:55:20Z")

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Hello all, I am fairly new to Processing, and I would like to create a world map of where it’s daytime and where it’s nighttime on the planet. Essentially, trying to emulate this: Day and Night World Map I have code to…

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## [Fonts from Adobe Creative Cloud are not useable](https://discourse.processing.org/t/fonts-from-adobe-creative-cloud-are-not-useable/39582)

<div class="topic-metadata">

**Author:** [@gguidati](https://discourse.processing.org/u/gguidati)\
**Replies:** 2\
**Last updated:** [November 4, 2022, 7:43pm UTC](https://discourse.processing.org/t/fonts-from-adobe-creative-cloud-are-not-useable/39582 "2022-11-04T19:43:54Z")

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Hello, I work with Windows 11, and I try to use a font, which I took from the Adobe Creative Cloud. I can use it in Powerpoint, Word, etc. Also, when I use the PFont.list() function the font appears properly. But when I…

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## [Image keeps being redrawn after 'deleted'](https://discourse.processing.org/t/image-keeps-being-redrawn-after-deleted/39542)

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**Author:** [@Ties2901](https://discourse.processing.org/u/Ties2901)\
**Replies:** 9\
**Last updated:** [November 4, 2022, 9:45am UTC](https://discourse.processing.org/t/image-keeps-being-redrawn-after-deleted/39542 "2022-11-04T09:45:46Z")

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Hi all, I am working on a game in processing where a Fish needs to eat some food. I used object collision detection to know when the fish collided with a food object, and then want to delete that object. For this I use…

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## [How to DIY a 3D scanner APP？](https://discourse.processing.org/t/how-to-diy-a-3d-scanner-app/39573)

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**Author:** [@adam](https://discourse.processing.org/u/adam)\
**Replies:** 1\
**Last updated:** [November 4, 2022, 9:36am UTC](https://discourse.processing.org/t/how-to-diy-a-3d-scanner-app/39573 "2022-11-04T09:36:58Z")

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I want to develop a 3D Scanner APP that can call the mobile phone LIDAR. Wish it can be used to 3D scan cars or rooms, even a house. Does anyone give me some suggestions?

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## [Is there any p5 function for 2d FFT?](https://discourse.processing.org/t/is-there-any-p5-function-for-2d-fft/39541)

<div class="topic-metadata">

**Author:** [@wonwoo](https://discourse.processing.org/u/wonwoo)\
**Replies:** 2\
**Last updated:** [November 4, 2022, 5:34am UTC](https://discourse.processing.org/t/is-there-any-p5-function-for-2d-fft/39541 "2022-11-04T05:34:24Z")

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Hi, All. Is there any p5 function for 2d FFT? The “FFT” means Fast Fourier Transform. and … 2d FFT is required for 2D image processing. If not, I’ll try to make one for p5js for the first time in the world. I’ve …

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## [Does anyone know how to fix the background color?](https://discourse.processing.org/t/does-anyone-know-how-to-fix-the-background-color/39553)

<div class="topic-metadata">

**Author:** [@learningprocessing23](https://discourse.processing.org/u/learningprocessing23)\
**Replies:** 11\
**Last updated:** [November 4, 2022, 2:30am UTC](https://discourse.processing.org/t/does-anyone-know-how-to-fix-the-background-color/39553 "2022-11-04T02:30:02Z")

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Hello! I setup the color could be changed from 2 pink colors. I hope after dragging to a color that I like (between color A and color B), I can decide and make the color as background color (maybe by mousePressed()) And …

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## [PDF export doesn't work with Hyper framework](https://discourse.processing.org/t/pdf-export-doesnt-work-with-hyper-framework/6747)

<div class="topic-metadata">

**Author:** [@buraquex](https://discourse.processing.org/u/buraquex)\
**Replies:** 8\
**Last updated:** [November 3, 2022, 8:48pm UTC](https://discourse.processing.org/t/pdf-export-doesnt-work-with-hyper-framework/6747 "2022-11-03T20:48:13Z")

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Hello, I recently used Joshua Davis’ fantastic hype framework for a poster design. It worked great, until I decided to export to a pdf as a vector. All I get is an empty pdf with no graphics. Pls help me if there any on…

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