# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=55

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

**Page:** 56

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## [Use keyboard on madmapper projection](https://discourse.processing.org/t/use-keyboard-on-madmapper-projection/11882)

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**Author:** [@simone](https://discourse.processing.org/u/simone)\
**Replies:** 2\
**Last updated:** [June 17, 2019, 1:39pm UTC](https://discourse.processing.org/t/use-keyboard-on-madmapper-projection/11882 "2019-06-17T13:39:56Z")

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Hello. I apologize for my poor English. I would like to know: is it possible to use a keyboard on a projection with madmapper, and how to make it happen?

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## [Controlling Proscene's camera with OSCP5 controls](https://discourse.processing.org/t/controlling-proscenes-camera-with-oscp5-controls/12114)

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**Author:** [@LuisFerreira](https://discourse.processing.org/u/LuisFerreira)\
**Replies:** 0\
**Last updated:** [June 17, 2019, 9:25am UTC](https://discourse.processing.org/t/controlling-proscenes-camera-with-oscp5-controls/12114 "2019-06-17T09:25:54Z")

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Hello, i recently started using the Proscene library in my sketches, and now i want to have control over the camera without using the mouse. I am also using the OSCP5 library, and i want to use a XY Pad to control the c…

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## [\[SOLVED\] S4P best movement for the player in the world](https://discourse.processing.org/t/solved-s4p-best-movement-for-the-player-in-the-world/12051)

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**Author:** [@InferNova](https://discourse.processing.org/u/InferNova)\
**Replies:** 7\
**Last updated:** [June 16, 2019, 3:14pm UTC](https://discourse.processing.org/t/solved-s4p-best-movement-for-the-player-in-the-world/12051 "2019-06-16T15:14:01Z")

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Hey Guys ! I am working on a game. And I have been incorporating S4P and I was thinking what is the best to move the player within the world. Currently I keep the player in the middle of the screen and just used S4P.mov…

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## [Analog Video Synthesis](https://discourse.processing.org/t/analog-video-synthesis/12085)

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**Author:** [@anon57009815](https://discourse.processing.org/u/anon57009815)\
**Replies:** 2\
**Last updated:** [June 16, 2019, 10:20am UTC](https://discourse.processing.org/t/analog-video-synthesis/12085 "2019-06-16T10:20:29Z")

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Hello everyone!! Any project like VSynth on processing?? GLSL also counts :slight\_smile: Best!

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## [Reverse scale size with Geomerative](https://discourse.processing.org/t/reverse-scale-size-with-geomerative/12043)

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**Author:** [@lolonulu](https://discourse.processing.org/u/lolonulu)\
**Replies:** 2\
**Last updated:** [June 15, 2019, 10:00pm UTC](https://discourse.processing.org/t/reverse-scale-size-with-geomerative/12043 "2019-06-15T22:00:17Z")

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Hello, I am working on a text deformed and scaled using Geomerative library. I am on hurry… I would like to reverse these transformations when the sound loop. How should I proceed ? Register the RPoints \[i\]\[j\] positio…

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## [Gearjoint example in Fisica](https://discourse.processing.org/t/gearjoint-example-in-fisica/12011)

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**Author:** [@yiyang](https://discourse.processing.org/u/yiyang)\
**Replies:** 1\
**Last updated:** [June 14, 2019, 10:54pm UTC](https://discourse.processing.org/t/gearjoint-example-in-fisica/12011 "2019-06-14T22:54:14Z")

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Hello dear fellows, Could you offer me an example in the library Fisica to demonstrate the usage of the FGearJoint object? Thank you so much for your help. BTW, It’s been 10 years since I have posted my last question i…

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## [Using OscP5 with computer-to-computer network](https://discourse.processing.org/t/using-oscp5-with-computer-to-computer-network/11986)

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**Author:** [@litiec](https://discourse.processing.org/u/litiec)\
**Replies:** 1\
**Last updated:** [June 13, 2019, 7:09pm UTC](https://discourse.processing.org/t/using-oscp5-with-computer-to-computer-network/11986 "2019-06-13T19:09:00Z")

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Dear all I attempted to create a network in my mac and connect another mac to my network. Connection was succeed and both mac received a self-assigned Ip address from this network(computer-to-computer network). Then I s…

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## [Insert 3D HSB Colormodel in Space Colonization Algorithm](https://discourse.processing.org/t/insert-3d-hsb-colormodel-in-space-colonization-algorithm/12023)

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**Author:** [@theresel](https://discourse.processing.org/u/theresel)\
**Replies:** 1\
**Last updated:** [June 13, 2019, 4:29am UTC](https://discourse.processing.org/t/insert-3d-hsb-colormodel-in-space-colonization-algorithm/12023 "2019-06-13T04:29:47Z")

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Hi there! I’m trying to create generative plants with a space colonization algorithm. I found a tutorial/code from Daniel Shiffman who’s using random dots in a 3D coordinate System which then connect with each other. I…

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## [Game control plus buttonPressed](https://discourse.processing.org/t/game-control-plus-buttonpressed/6061)

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**Author:** [@bryan](https://discourse.processing.org/u/bryan)\
**Replies:** 4\
**Last updated:** [June 13, 2019, 3:12am UTC](https://discourse.processing.org/t/game-control-plus-buttonpressed/6061 "2019-06-13T03:12:14Z")

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Hi! i’m using the library game control plus to interact with on sketch in processing. what i’m trying to do is that if i press a button, change his state to the contrary, like in the code below. i want to create or use a…

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## [\[SOLVED\] .hide() not working for buttons](https://discourse.processing.org/t/solved-hide-not-working-for-buttons/11962)

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**Author:** [@NadeW](https://discourse.processing.org/u/NadeW)\
**Replies:** 4\
**Last updated:** [June 12, 2019, 8:31am UTC](https://discourse.processing.org/t/solved-hide-not-working-for-buttons/11962 "2019-06-12T08:31:31Z")

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Hello I just started using Processing. I intend to have this code such that when the buttons are pressed, they disappear. However when I click, the buttons remain on screen. How do I fix this? Pardon my unusual way of c…

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## [How to visualise in 2D in processing 1.5 and apply color to points](https://discourse.processing.org/t/how-to-visualise-in-2d-in-processing-1-5-and-apply-color-to-points/11996)

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**Author:** [@alice](https://discourse.processing.org/u/alice)\
**Replies:** 6\
**Last updated:** [June 11, 2019, 11:19pm UTC](https://discourse.processing.org/t/how-to-visualise-in-2d-in-processing-1-5-and-apply-color-to-points/11996 "2019-06-11T23:19:38Z")

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Hi everybody, I’m a beginner in processing and I hope someone can help me with a small question… I’ll leave you below the code that I have done ( the name is “test1” and it has a tab with the points, I sent you both). …

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## [How to apply color pixels](https://discourse.processing.org/t/how-to-apply-color-pixels/11941)

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**Author:** [@alice](https://discourse.processing.org/u/alice)\
**Replies:** 8\
**Last updated:** [June 11, 2019, 10:27pm UTC](https://discourse.processing.org/t/how-to-apply-color-pixels/11941 "2019-06-11T22:27:39Z")

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Hi all, I’m new using processing and still learning, I hope someone can help me . I have this script of the reaction Diffusion, I just want to apply a color of the chemical A and B. Also how to import an image and appl…

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## [createGraphics() to capture camera frames](https://discourse.processing.org/t/creategraphics-to-capture-camera-frames/11698)

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**Author:** [@AwreetusAwrightus](https://discourse.processing.org/u/AwreetusAwrightus)\
**Replies:** 12\
**Last updated:** [June 8, 2019, 4:13pm UTC](https://discourse.processing.org/t/creategraphics-to-capture-camera-frames/11698 "2019-06-08T16:13:17Z")

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hello again everyone! I’m having some trouble figuring out how to capture video in my sketch. As far as I fiddled with saveFrame() or even capture() functions, they all rely on image being displayed in the sketch window…

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## [Array of SoundFile](https://discourse.processing.org/t/array-of-soundfile/11919)

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**Author:** [@chanof](https://discourse.processing.org/u/chanof)\
**Replies:** 1\
**Last updated:** [June 8, 2019, 1:55pm UTC](https://discourse.processing.org/t/array-of-soundfile/11919 "2019-06-08T13:55:16Z")

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Hi there, i try to get an array of SoundFile to easy change/pass from one to another by press a button, may i ask for help to archive a simple result like. Thanks Gianmaria import processing.sound.\*; SoundFile sounds;…

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## [Flow Field, trying to paint with Kinect](https://discourse.processing.org/t/flow-field-trying-to-paint-with-kinect/11816)

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**Author:** [@josipaca](https://discourse.processing.org/u/josipaca)\
**Replies:** 2\
**Last updated:** [June 7, 2019, 3:55pm UTC](https://discourse.processing.org/t/flow-field-trying-to-paint-with-kinect/11816 "2019-06-07T15:55:46Z")

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Hey I’m quite new to Processing and trying to make like a force to the Lerped position from the Kinect, kind of like a mouse. So if the Lerped position shows the field drags to it like a magnet. I can figure it out and …

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## [Exporting with pgraphics and nullpointerexception](https://discourse.processing.org/t/exporting-with-pgraphics-and-nullpointerexception/11828)

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**Author:** [@karinalopez87](https://discourse.processing.org/u/karinalopez87)\
**Replies:** 2\
**Last updated:** [June 7, 2019, 3:34pm UTC](https://discourse.processing.org/t/exporting-with-pgraphics-and-nullpointerexception/11828 "2019-06-07T15:34:32Z")

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Hello, so I’ve run into two problems. The first being that after a few hours (which varies depending on the machine that I’m running my code on), gives me a NullPointerException error, usually targeting filter shaders or…

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## [Making a 3D table](https://discourse.processing.org/t/making-a-3d-table/11724)

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**Author:** [@ctrembla](https://discourse.processing.org/u/ctrembla)\
**Replies:** 41\
**Last updated:** [June 7, 2019, 1:34am UTC](https://discourse.processing.org/t/making-a-3d-table/11724 "2019-06-07T01:34:59Z")

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OK, I’m trying to make a 3D game starting with a table, but when I hit play to see the 2 legs of the table I only see one. Can someone explain what I do? here what I got so far. void setup(){ size(600,600,P3D); } vo…

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## [ControlP5 Buttons Performace issue](https://discourse.processing.org/t/controlp5-buttons-performace-issue/11888)

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**Author:** [@InferNova](https://discourse.processing.org/u/InferNova)\
**Replies:** 4\
**Last updated:** [June 7, 2019, 3:24am UTC](https://discourse.processing.org/t/controlp5-buttons-performace-issue/11888 "2019-06-07T03:24:14Z")

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Hey Guys! I have an issue when having a ControlP5 button showcased and when clicked it hides. This works fine but then I have a game in the background and the FPS drops drastically, note that without the button the issu…

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## [oscP5 + Voice to Text](https://discourse.processing.org/t/oscp5-voice-to-text/11774)

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**Author:** [@Anstar](https://discourse.processing.org/u/Anstar)\
**Replies:** 1\
**Last updated:** [June 6, 2019, 2:26am UTC](https://discourse.processing.org/t/oscp5-voice-to-text/11774 "2019-06-06T02:26:11Z")

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Hi guys, I am currently trying to get the VtT sketch I have to send the string PrintIn(msg) through OSC or translate it into something addressable for another sketch, (I’d like to be able to turn these messages to PImage…

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## [Get UDP SSID within processing hypermedia](https://discourse.processing.org/t/get-udp-ssid-within-processing-hypermedia/11802)

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**Author:** [@jschornagel](https://discourse.processing.org/u/jschornagel)\
**Replies:** 2\
**Last updated:** [June 5, 2019, 12:47pm UTC](https://discourse.processing.org/t/get-udp-ssid-within-processing-hypermedia/11802 "2019-06-05T12:47:37Z")

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Hi all, I have a ESP8266 that connects to processing over wifi using the UDP library. The ESP8266 broadcasts a wifi network and my PC logs into this wifi network. For my processing sketch it is necessary that in order t…

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## [Smile detection](https://discourse.processing.org/t/smile-detection/11626)

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**Author:** [@Ten](https://discourse.processing.org/u/Ten)\
**Replies:** 4\
**Last updated:** [June 5, 2019, 8:00am UTC](https://discourse.processing.org/t/smile-detection/11626 "2019-06-05T08:00:06Z")

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Hi everyone i’m new in processing so i don’t know how to fix this problem. At the moment im working on a project which take a photo via webcam. The trigger for the photo is the detection of a smiling person. I tried to w…

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## [Using a complex numbers library -- Apache math](https://discourse.processing.org/t/using-a-complex-numbers-library-apache-math/11771)

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**Author:** [@toby](https://discourse.processing.org/u/toby)\
**Replies:** 4\
**Last updated:** [June 2, 2019, 6:10pm UTC](https://discourse.processing.org/t/using-a-complex-numbers-library-apache-math/11771 "2019-06-02T18:10:02Z")

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Hello all, I’m working on a sketch for generating fractals and would like to replace my hand-rolled complex math functions with a “proper” library :slight\_smile: I’ve downloaded the jar for Adobe Commons Math to “sketch…

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## [How to put a "replay" button on my game?](https://discourse.processing.org/t/how-to-put-a-replay-button-on-my-game/11676)

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**Author:** [@sachy](https://discourse.processing.org/u/sachy)\
**Replies:** 2\
**Last updated:** [June 1, 2019, 5:41pm UTC](https://discourse.processing.org/t/how-to-put-a-replay-button-on-my-game/11676 "2019-06-01T17:41:59Z")

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Hello everyone, i made a small game with processing (coded in JAVA) for my exams. But i still don’t know how to replay the game when it’s lost. I already searched on the net and tried few things but it doesn’t work. So I…

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## [Problema con Class, extend y herencia](https://discourse.processing.org/t/problema-con-class-extend-y-herencia/11204)

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**Author:** [@aledante](https://discourse.processing.org/u/aledante)\
**Replies:** 12\
**Last updated:** [May 31, 2019, 11:08pm UTC](https://discourse.processing.org/t/problema-con-class-extend-y-herencia/11204 "2019-05-31T23:08:47Z")

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Hola a todos. Este es mi primer post. Soy bastante nuevo en esto. Estoy haciendo una clase, supongamos “animales”. Dentro de la misma tengo un procedimiento “void hijo”, que crea una copia de si misma con algunas varia…

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## [Solution - Beads Audio Library error : java.lang.IllegalArgumentException: Line unsupported](https://discourse.processing.org/t/solution-beads-audio-library-error-java-lang-illegalargumentexception-line-unsupported/9454)

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**Author:** [@hamoid](https://discourse.processing.org/u/hamoid)\
**Replies:** 7\
**Last updated:** [May 31, 2019, 7:53pm UTC](https://discourse.processing.org/t/solution-beads-audio-library-error-java-lang-illegalargumentexception-line-unsupported/9454 "2019-05-31T19:53:05Z")

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In Linux I was getting this error when using the Beads audio library: Exception in thread "Thread-1" java.lang.IllegalArgumentException: Line unsupported: interface SourceDataLine supporting format PCM\_SIGNED 44100.0 Hz…

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## [How to create dynamic shapes from human body into Box2D?](https://discourse.processing.org/t/how-to-create-dynamic-shapes-from-human-body-into-box2d/11739)

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**Author:** [@Dazzid](https://discourse.processing.org/u/Dazzid)\
**Replies:** 0\
**Last updated:** [May 31, 2019, 12:45pm UTC](https://discourse.processing.org/t/how-to-create-dynamic-shapes-from-human-body-into-box2d/11739 "2019-05-31T12:45:05Z")

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I’m working on a project using OpenCV and Box2d. What is the correct method to create a custom shape? I’m following Shiffman’s tutorial about polygons, the issue here is that the shape changes, it is not fixed. The first…

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## [Pass the sketchname like a final](https://discourse.processing.org/t/pass-the-sketchname-like-a-final/11654)

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**Author:** [@Stanlepunk](https://discourse.processing.org/u/Stanlepunk)\
**Replies:** 14\
**Last updated:** [May 29, 2019, 6:43pm UTC](https://discourse.processing.org/t/pass-the-sketchname-like-a-final/11654 "2019-05-29T18:43:57Z")

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I try to pass my sketch name like a final but i don’t find a way to do that, is it possible ? sketch name in my case is call\_class\_itself.pdebut I try to find something more universel. void setup() { println(this.get…

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## [How to filter triangles from Delaunay to match human shape](https://discourse.processing.org/t/how-to-filter-triangles-from-delaunay-to-match-human-shape/11658)

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**Author:** [@Dazzid](https://discourse.processing.org/u/Dazzid)\
**Replies:** 1\
**Last updated:** [May 28, 2019, 2:22pm UTC](https://discourse.processing.org/t/how-to-filter-triangles-from-delaunay-to-match-human-shape/11658 "2019-05-28T14:22:40Z")

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I am working in an Interactive project and I am trying to define the correct area inside the body silhouette. The sketch is using OpenCV, Delaunay triangulation and the goal is to add Box2D for the interaction. My ques…

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## [Voice recognition](https://discourse.processing.org/t/voice-recognition/11563)

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**Author:** [@Margu](https://discourse.processing.org/u/Margu)\
**Replies:** 1\
**Last updated:** [May 28, 2019, 5:33am UTC](https://discourse.processing.org/t/voice-recognition/11563 "2019-05-28T05:33:54Z")

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Hello everyone! I’m really new to processing, I’m trying to do a voice recognition patch in which if certain words are said the program display images or text and so on… The voice recognition work, but I think I’m miss…

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## [Fade in and Fade out shader to video](https://discourse.processing.org/t/fade-in-and-fade-out-shader-to-video/11585)

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**Author:** [@karinalopez87](https://discourse.processing.org/u/karinalopez87)\
**Replies:** 5\
**Last updated:** [May 28, 2019, 12:43am UTC](https://discourse.processing.org/t/fade-in-and-fade-out-shader-to-video/11585 "2019-05-28T00:43:28Z")

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Hello, I’m trying to make my shader fade in every 8 - 10 seconds and then fade out and have my video playing in the back. However, I just seem to make it fade in and can’t figure out how to make it fade out. I think ther…

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