# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=37

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

**Page:** 38

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## [G4P One More Small Refinement for Droplists](https://discourse.processing.org/t/g4p-one-more-small-refinement-for-droplists/44762)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 5\
**Last updated:** [July 14, 2024, 9:55am UTC](https://discourse.processing.org/t/g4p-one-more-small-refinement-for-droplists/44762 "2024-07-14T09:55:37Z")

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Hi Peter, don’t kill me, but there is one more little thing that would be amazing to add to the droplists at some point - the ability to click into the scrollbar track to move a screenful at a time, or click and hold to …

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## [Shaders: Drawing layers on top of each other](https://discourse.processing.org/t/shaders-drawing-layers-on-top-of-each-other/44724)

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**Author:** [@hoend008](https://discourse.processing.org/u/hoend008)\
**Replies:** 14\
**Last updated:** [July 14, 2024, 5:58am UTC](https://discourse.processing.org/t/shaders-drawing-layers-on-top-of-each-other/44724 "2024-07-14T05:58:36Z")

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Hey all, I want to draw moving shapes on top of an image (a world map), for example ellipses representing airplanes moving over the map to their destination. I am also practicing using a shader to improve performance, b…

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## [Showing off some Tetris on py5 :)](https://discourse.processing.org/t/showing-off-some-tetris-on-py5/44745)

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**Author:** [@villares](https://discourse.processing.org/u/villares)\
**Replies:** 1\
**Last updated:** [July 12, 2024, 9:36pm UTC](https://discourse.processing.org/t/showing-off-some-tetris-on-py5/44745 "2024-07-12T21:36:35Z")

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Maybe someone will enjoy playing or modifying a very simple implementation of Tetris… """ To run this you'll need py5 (py5coding.org) with an imported mode runner More about this at https://abav.lugaralgum.com/como-i…

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## [Rotate Camera Image only, blend with Image from Animation](https://discourse.processing.org/t/rotate-camera-image-only-blend-with-image-from-animation/44747)

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**Author:** [@qualidat](https://discourse.processing.org/u/qualidat)\
**Replies:** 3\
**Last updated:** [July 11, 2024, 3:37pm UTC](https://discourse.processing.org/t/rotate-camera-image-only-blend-with-image-from-animation/44747 "2024-07-11T15:37:34Z")

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Rotating an image is not normally a complicated matter. However, I have a somewhat complicated problem: I get an image from a live camera I read an image from an animation I mix the images with blend and then show them…

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## [How to draw a perfect flower](https://discourse.processing.org/t/how-to-draw-a-perfect-flower/44734)

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**Author:** [@Ruka](https://discourse.processing.org/u/Ruka)\
**Replies:** 8\
**Last updated:** [July 10, 2024, 3:56am UTC](https://discourse.processing.org/t/how-to-draw-a-perfect-flower/44734 "2024-07-10T03:56:11Z")

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I tried to draw a zinnia, but the first petal is always at the bottom and cannot form a perfect loop with the last petal. How can I modify the code? float r=400; float kuan=200; float chang=400; void setup() { fullSc…

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## [Code Format icon](https://discourse.processing.org/t/code-format-icon/5548)

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**Author:** [@PascalAudet](https://discourse.processing.org/u/PascalAudet)\
**Replies:** 7\
**Last updated:** [July 11, 2024, 10:15am UTC](https://discourse.processing.org/t/code-format-icon/5548 "2024-07-11T10:15:40Z")

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I propose to make the code format button icon \</\> maybe more intutive. Just to make it easyer to find by new user, and not so new user like me that dont remember where t ofind it each time. ex. \[Code format\] thanks

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## [Merging tiles into paths](https://discourse.processing.org/t/merging-tiles-into-paths/44670)

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**Author:** [@eightohnine](https://discourse.processing.org/u/eightohnine)\
**Replies:** 21\
**Last updated:** [July 10, 2024, 5:17pm UTC](https://discourse.processing.org/t/merging-tiles-into-paths/44670 "2024-07-10T17:17:06Z")

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Hi all, I’d like to pick your brains for a sketch I’m tackling. I’m building off of this: It’s a basic tile placement generator that for this example uses two tile types – straight and 90° curve – to fill the canvas …

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## [G4P java Concurrent Modification Exception Error when exit() called](https://discourse.processing.org/t/g4p-java-concurrent-modification-exception-error-when-exit-called/44532)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 27\
**Last updated:** [July 10, 2024, 5:14pm UTC](https://discourse.processing.org/t/g4p-java-concurrent-modification-exception-error-when-exit-called/44532 "2024-07-10T17:14:43Z")

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Hi all, Just getting a strange java.util.ConcurrentModificationException message when using multiple windows in G4P. It all seems to work fine until I try to use an “Exit” button (calling exit()), and then I get the fo…

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## [3D modeling from the front camera](https://discourse.processing.org/t/3d-modeling-from-the-front-camera/44641)

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**Author:** [@mimi](https://discourse.processing.org/u/mimi)\
**Replies:** 15\
**Last updated:** [July 10, 2024, 10:10am UTC](https://discourse.processing.org/t/3d-modeling-from-the-front-camera/44641 "2024-07-10T10:10:40Z")

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Hello everyone, I will need to see help I am starting on processing. I have already started the code I would like to have but I can’t get a correct result, I attach an image of the result I would like. I would like to…

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## [White flash on fullscreen](https://discourse.processing.org/t/white-flash-on-fullscreen/44654)

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**Author:** [@larry](https://discourse.processing.org/u/larry)\
**Replies:** 5\
**Last updated:** [July 10, 2024, 4:30am UTC](https://discourse.processing.org/t/white-flash-on-fullscreen/44654 "2024-07-10T04:30:03Z")

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Hello Does anyone know if it is possible to remove the white screen that appears for the first at the start of fullscreen apps ? I am using processing in a live show and would like to launch the app during the show with…

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## [Hitting up against variable scope issue with OSC messages](https://discourse.processing.org/t/hitting-up-against-variable-scope-issue-with-osc-messages/44736)

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**Author:** [@dom](https://discourse.processing.org/u/dom)\
**Replies:** 2\
**Last updated:** [July 9, 2024, 10:57am UTC](https://discourse.processing.org/t/hitting-up-against-variable-scope-issue-with-osc-messages/44736 "2024-07-09T10:57:50Z")

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Hello all, I’m having a problem passing OSC into processing. Everything is working in the code below except for the fact that the ellipse does not find the variable pan. I even know why this is: variable scope. However,…

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## [Image to Audio, Spectrogram Player](https://discourse.processing.org/t/image-to-audio-spectrogram-player/44731)

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**Author:** [@karmakarma](https://discourse.processing.org/u/karmakarma)\
**Replies:** 0\
**Last updated:** [July 8, 2024, 11:18am UTC](https://discourse.processing.org/t/image-to-audio-spectrogram-player/44731 "2024-07-08T11:18:00Z")

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dear all, i’m aiming at doing a Processing version of this: Image to Audio, Spectrogram Player basically what I want is to encode an image generated in Processing in an audio file, and make Processing itself play this …

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## [How to find the coordinates of a bitmap shape](https://discourse.processing.org/t/how-to-find-the-coordinates-of-a-bitmap-shape/44699)

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**Author:** [@paulstgeorge](https://discourse.processing.org/u/paulstgeorge)\
**Replies:** 13\
**Last updated:** [July 7, 2024, 7:08am UTC](https://discourse.processing.org/t/how-to-find-the-coordinates-of-a-bitmap-shape/44699 "2024-07-07T07:08:11Z")

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I have a sketch that divides a rectangle into three cells (picture 1). Everything is working as it should, but now I want to know the xy coordinates of the start and end of each border/edge. To show what I mean, I have m…

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## [How to locate my Android SDK in Processing 4.3?](https://discourse.processing.org/t/how-to-locate-my-android-sdk-in-processing-4-3/44655)

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**Author:** [@bigboss97](https://discourse.processing.org/u/bigboss97)\
**Replies:** 12\
**Last updated:** [July 7, 2024, 2:46am UTC](https://discourse.processing.org/t/how-to-locate-my-android-sdk-in-processing-4-3/44655 "2024-07-07T02:46:34Z")

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When I opened an Android sketch was asked to download or locate the SDK. Download automatically didn’t work. So I did the manual download using: https://android.processing.org/tutorials/getting\_started/ and I ran the s…

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## [Sketch canvas does not change](https://discourse.processing.org/t/sketch-canvas-does-not-change/44675)

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**Author:** [@Crinqe](https://discourse.processing.org/u/Crinqe)\
**Replies:** 1\
**Last updated:** [July 7, 2024, 1:08am UTC](https://discourse.processing.org/t/sketch-canvas-does-not-change/44675 "2024-07-07T01:08:24Z")

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My sketch runs fine, but when I try to change the canvas size, it does not change. I tried to change the ratio of the sketch ex: 100, 200; 1000, 800; but the sketch only pops up with a canvas size of I would say about 10…

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## [Can't render OpenGL mesh and P3D components at the same time](https://discourse.processing.org/t/cant-render-opengl-mesh-and-p3d-components-at-the-same-time/44624)

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**Author:** [@Java.SourceForger](https://discourse.processing.org/u/Java.SourceForger)\
**Replies:** 1\
**Last updated:** [July 7, 2024, 12:54am UTC](https://discourse.processing.org/t/cant-render-opengl-mesh-and-p3d-components-at-the-same-time/44624 "2024-07-07T00:54:01Z")

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I don’t know why I can’t use JOML meshes and P3D components at the same time. I followed the opengl tutorial for processing ( Advanced OpenGL · processing/processing Wiki · GitHub) And I was able to successfully render…

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## [RSyntaxTextArea With Swing In Processing](https://discourse.processing.org/t/rsyntaxtextarea-with-swing-in-processing/44725)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 0\
**Last updated:** [July 6, 2024, 7:03pm UTC](https://discourse.processing.org/t/rsyntaxtextarea-with-swing-in-processing/44725 "2024-07-06T19:03:59Z")

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You’re probably not going to get an editor with syntax coloring any easier than the following, even though it could prove challenging to some. It all starts with RSyntaxTextArea which may be found here: The secret to …

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## [Poll - p5js.org Search Bar Improvements](https://discourse.processing.org/t/poll-p5js-org-search-bar-improvements/19380)

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**Author:** [@codengame](https://discourse.processing.org/u/codengame)\
**Replies:** 3\
**Last updated:** [July 6, 2024, 6:39pm UTC](https://discourse.processing.org/t/poll-p5js-org-search-bar-improvements/19380 "2024-07-06T18:39:25Z")

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Hey fellow p5.js users! This topic is regarding possible changes that can be made to the search bar that is present on the p5.js main website - https://p5js.org/. Feel free to comment your views/suggestions on this topi…

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## [NumericKeyboard\_android](https://discourse.processing.org/t/numerickeyboard-android/44721)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 0\
**Last updated:** [July 6, 2024, 1:51am UTC](https://discourse.processing.org/t/numerickeyboard-android/44721 "2024-07-06T01:51:40Z")

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The following source code will display a numeric keyboard on an android device to capture EditText input and display the resulting string: import android.app.Activity; import android.content.Context; import android.vi…

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## [G4P Droplist scroll bar](https://discourse.processing.org/t/g4p-droplist-scroll-bar/44503)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 13\
**Last updated:** [July 5, 2024, 5:00pm UTC](https://discourse.processing.org/t/g4p-droplist-scroll-bar/44503 "2024-07-05T17:00:55Z")

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Hi Peter, simple question - if I’m using the mousewheel event to change the droplist items, I notice the vertical scrollbar stays put. The scrollbar only moves if I click the down or up arrows. Also, I cannot drag the s…

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## [G4P Tooltip underneath other controls](https://discourse.processing.org/t/g4p-tooltip-underneath-other-controls/44662)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 13\
**Last updated:** [July 5, 2024, 5:00pm UTC](https://discourse.processing.org/t/g4p-tooltip-underneath-other-controls/44662 "2024-07-05T17:00:11Z")

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What a great library! Just a small issue, for some reason if controls are near each other, the tooltips go under other controls. See pic: Is there any way to fix this, or just move the controls? It makes it harder …

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## [Open numeric keyboard on Android](https://discourse.processing.org/t/open-numeric-keyboard-on-android/44669)

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**Author:** [@yves1](https://discourse.processing.org/u/yves1)\
**Replies:** 7\
**Last updated:** [July 3, 2024, 2:05pm UTC](https://discourse.processing.org/t/open-numeric-keyboard-on-android/44669 "2024-07-03T14:05:15Z")

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Hello, Is it possible to open numeric keyboard on Android phone ? I use openKeyboard() in Android mode, it open text keyboard. I put android:reqKeyboardType=“twelvekey” in AndroidManifest.xml but always the text keybo…

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## [Getting a PShape from an emoji...?](https://discourse.processing.org/t/getting-a-pshape-from-an-emoji/44479)

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**Author:** [@villares](https://discourse.processing.org/u/villares)\
**Replies:** 20\
**Last updated:** [July 5, 2024, 5:44am UTC](https://discourse.processing.org/t/getting-a-pshape-from-an-emoji/44479 "2024-07-05T05:44:19Z")

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Processing has this PFont method, “undocumented” (not in the main public reference), called .getShape(), that will give you a PShape of a glyph from a font object: PFont docs But there is a catch… it will only take a…

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## [VLCJVideo update](https://discourse.processing.org/t/vlcjvideo-update/16582)

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**Author:** [@linux-man](https://discourse.processing.org/u/linux-man)\
**Replies:** 27\
**Last updated:** [July 4, 2024, 8:42pm UTC](https://discourse.processing.org/t/vlcjvideo-update/16582 "2024-07-04T20:42:44Z")

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I rewrote VLCJVideo to use vlcj-4. Big inner changes, auto discovery and a cleaner interface for embedded media. From the outside, VLCJVideo stays mainly the same with some changes. I only tested on Linux and I’d like s…

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## [Data type: very high integer](https://discourse.processing.org/t/data-type-very-high-integer/44680)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 7\
**Last updated:** [July 3, 2024, 3:08pm UTC](https://discourse.processing.org/t/data-type-very-high-integer/44680 "2024-07-03T15:08:15Z")

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simple question: we just try to calculate the length of a lightyear. using int a = 300000 \* // m/s — error ---- km/s 60\*60 \* // to km/h 24 \* // day 365; // year But rounding error occurs Unclear why (I unders…

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## [Conditions to make a circle grow and shrink](https://discourse.processing.org/t/conditions-to-make-a-circle-grow-and-shrink/43698)

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**Author:** [@Karrajo](https://discourse.processing.org/u/Karrajo)\
**Replies:** 5\
**Last updated:** [July 3, 2024, 1:45pm UTC](https://discourse.processing.org/t/conditions-to-make-a-circle-grow-and-shrink/43698 "2024-07-03T13:45:32Z")

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Hello, Sorry because I know this is a very simple question but I’m stuck on this and I need help. I’m trying to create the conditions to grow a circle up to a certain point, and when it reaches that point, make it smal…

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## [Detecting sun & moon / OpenCV & other libraries for object detection](https://discourse.processing.org/t/detecting-sun-moon-opencv-other-libraries-for-object-detection/44685)

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**Author:** [@karmakarma](https://discourse.processing.org/u/karmakarma)\
**Replies:** 0\
**Last updated:** [July 2, 2024, 7:38pm UTC](https://discourse.processing.org/t/detecting-sun-moon-opencv-other-libraries-for-object-detection/44685 "2024-07-02T19:38:18Z")

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hej all, i’ve been struggling with finding a feasible solution to do the object detection of images of the sun and the moon (so, roughly, two circular bright spots). my first trial was installing python and trying my lu…

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## [Keyboard not being read](https://discourse.processing.org/t/keyboard-not-being-read/35014)

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**Author:** [@JoseMY](https://discourse.processing.org/u/JoseMY)\
**Replies:** 10\
**Last updated:** [July 2, 2024, 6:36pm UTC](https://discourse.processing.org/t/keyboard-not-being-read/35014 "2024-07-02T18:36:03Z")

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Hi again. I’m having issues with keyboard not being read. At first, I though my issues were Draw() not looping (or not ending before next loop), but it seems Draw() is running at good fps rate. My project has a complic…

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## [How do i set screen size](https://discourse.processing.org/t/how-do-i-set-screen-size/44683)

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**Author:** [@theapplesguy2](https://discourse.processing.org/u/theapplesguy2)\
**Replies:** 2\
**Last updated:** [July 2, 2024, 2:37pm UTC](https://discourse.processing.org/t/how-do-i-set-screen-size/44683 "2024-07-02T14:37:18Z")

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how do i set the screne size of my rendered thing (imagine a square on a 500x500 screen, but theres no set size so the screen gets as small as you can)

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## [Client connection refused](https://discourse.processing.org/t/client-connection-refused/44679)

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**Author:** [@hakim](https://discourse.processing.org/u/hakim)\
**Replies:** 0\
**Last updated:** [July 2, 2024, 8:38am UTC](https://discourse.processing.org/t/client-connection-refused/44679 "2024-07-02T08:38:38Z")

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hello guys, hope you doing all well, so i i have a bunch of arduinos connected to local network via ethernet, a user can than interact with them via GUI done by processing, after testing with three arduinos everything wo…

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