# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=559

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

**Page:** 560

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## [Can u help me with this interesting game?](https://discourse.processing.org/t/can-u-help-me-with-this-interesting-game/5519)

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**Author:** [@Fabboy17](https://discourse.processing.org/u/Fabboy17)\
**Replies:** 2\
**Last updated:** [November 14, 2018, 4:50am UTC](https://discourse.processing.org/t/can-u-help-me-with-this-interesting-game/5519 "2018-11-14T04:50:05Z")

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Hi, I’m trying to make a game which consists of joining two points without touching the bombs that were generated. I have advanced a lot in the game, I have to do that when the player wins everything is restarted and th…

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## [How to close a PShape with 2 arcs and two lines](https://discourse.processing.org/t/how-to-close-a-pshape-with-2-arcs-and-two-lines/5287)

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**Author:** [@ddownn](https://discourse.processing.org/u/ddownn)\
**Replies:** 18\
**Last updated:** [November 14, 2018, 2:56am UTC](https://discourse.processing.org/t/how-to-close-a-pshape-with-2-arcs-and-two-lines/5287 "2018-11-14T02:56:59Z")

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I’ve been trying to make a PShape like a segment of a color wheel, but I am not sure how to close it so I can use a stroke, and fills, and move them around on the screen easily. I don’t know whether I should try to find…

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## [Removing unnecessary (?) jars from exported apps: ok if it still runs?](https://discourse.processing.org/t/removing-unnecessary-jars-from-exported-apps-ok-if-it-still-runs/5503)

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**Author:** [@dtmr](https://discourse.processing.org/u/dtmr)\
**Replies:** 1\
**Last updated:** [November 14, 2018, 2:36am UTC](https://discourse.processing.org/t/removing-unnecessary-jars-from-exported-apps-ok-if-it-still-runs/5503 "2018-11-14T02:36:53Z")

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Is it save to delete the jogl-\*.jar files (OpenGL?) from exported apps if the apps still start afterwards and appear to work normally across Windows/Linux/MacOS? In other words: Would there be a startup failure if these …

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## [Rotate Sphere on its Axis](https://discourse.processing.org/t/rotate-sphere-on-its-axis/5505)

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**Author:** [@ant](https://discourse.processing.org/u/ant)\
**Replies:** 3\
**Last updated:** [November 14, 2018, 1:36am UTC](https://discourse.processing.org/t/rotate-sphere-on-its-axis/5505 "2018-11-14T01:36:38Z")

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Having trouble getting the bear to spin on its axis. Basically, I’m trying to get the bear to stand still but rotate around on its axis. float angle = PI/200; void setup() { size(1000,1000, P3D); frameRate(3); } vo…

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## [How about the code when the ball is retracted and returned to its original position?](https://discourse.processing.org/t/how-about-the-code-when-the-ball-is-retracted-and-returned-to-its-original-position/5507)

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**Author:** [@alk5603](https://discourse.processing.org/u/alk5603)\
**Replies:** 2\
**Last updated:** [November 14, 2018, 1:21am UTC](https://discourse.processing.org/t/how-about-the-code-when-the-ball-is-retracted-and-returned-to-its-original-position/5507 "2018-11-14T01:21:34Z")

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float rot = PI; float d\_rot = 0.05; float xoff = 0.0; float xincrement = 0.01; //float xoff\_xincrement = 0.05; void setup() { size(800, 800); noStroke(); fill(255); } void draw() { background(0); …

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## [Tip for resize app window while executing?](https://discourse.processing.org/t/tip-for-resize-app-window-while-executing/5513)

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**Author:** [@Xxssafirex](https://discourse.processing.org/u/Xxssafirex)\
**Replies:** 1\
**Last updated:** [November 13, 2018, 11:03pm UTC](https://discourse.processing.org/t/tip-for-resize-app-window-while-executing/5513 "2018-11-13T23:03:02Z")

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i was just wondering if there was some functions enabling the modification of the size of the window once its executing (or some way to proceed)

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## [Add images to particle system](https://discourse.processing.org/t/add-images-to-particle-system/5511)

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**Author:** [@JimyiHendrix](https://discourse.processing.org/u/JimyiHendrix)\
**Replies:** 3\
**Last updated:** [November 13, 2018, 10:55pm UTC](https://discourse.processing.org/t/add-images-to-particle-system/5511 "2018-11-13T22:55:17Z")

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Hello everyone. I would like tome convert those particles into an image. I mean every single particle in one image that i have from a picture, any. i leave here the code till i tried it. THANKS for your time!! //This is…

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## [Can a Tool access Preferences?](https://discourse.processing.org/t/can-a-tool-access-preferences/5506)

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**Author:** [@hamoid](https://discourse.processing.org/u/hamoid)\
**Replies:** 1\
**Last updated:** [November 13, 2018, 6:53pm UTC](https://discourse.processing.org/t/can-a-tool-access-preferences/5506 "2018-11-13T18:53:17Z")

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This page about developing a tool mentions What Tools Can and Cannot Do The following classes have been sufficiently documented for use in Tool classes: processing.app.Base The base class for the main Processing ap…

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## [Detect closing another sketch](https://discourse.processing.org/t/detect-closing-another-sketch/5500)

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**Author:** [@clankill3r](https://discourse.processing.org/u/clankill3r)\
**Replies:** 1\
**Last updated:** [November 13, 2018, 5:44pm UTC](https://discourse.processing.org/t/detect-closing-another-sketch/5500 "2018-11-13T17:44:39Z")

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Note that this is outside the PDE, you need vscode / intelliJ / eclipse. My goal is to start a sketch, run that, and when it is closed either by me or some timer or whatever, run another sketch. For a sketch to run I c…

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## [Soft keyboard seems to hang app](https://discourse.processing.org/t/soft-keyboard-seems-to-hang-app/5165)

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**Author:** [@dtmr](https://discourse.processing.org/u/dtmr)\
**Replies:** 12\
**Last updated:** [November 13, 2018, 4:02pm UTC](https://discourse.processing.org/t/soft-keyboard-seems-to-hang-app/5165 "2018-11-13T16:02:26Z")

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A user has informed me that Android’s soft keyboard and my app hang (probably means stop reacting) when my app opens the soft keyboard. What could be the issue with using the soft keyboard, has anybody ever had problems …

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## [Animated Dynamic Bar Chart - Time series](https://discourse.processing.org/t/animated-dynamic-bar-chart-time-series/5498)

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**Author:** [@Gazbee](https://discourse.processing.org/u/Gazbee)\
**Replies:** 1\
**Last updated:** [November 13, 2018, 2:49pm UTC](https://discourse.processing.org/t/animated-dynamic-bar-chart-time-series/5498 "2018-11-13T14:49:37Z")

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Hi, Can anyone give any guidance as to how the visualization of the dynamic bar graph can be created? (The video an animation of the top 10 country GDP in a horizontal bar graph format where the top 10 co…

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## [Andrew's monotone chain algorithm](https://discourse.processing.org/t/andrews-monotone-chain-algorithm/5485)

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**Author:** [@Joanna](https://discourse.processing.org/u/Joanna)\
**Replies:** 2\
**Last updated:** [November 13, 2018, 2:46pm UTC](https://discourse.processing.org/t/andrews-monotone-chain-algorithm/5485 "2018-11-13T14:46:09Z")

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Hello, I have a project for university about creating NURBs curves. One part of the code is Andrew’s monotone chain algorithm. And I have the code that doesn’t work, could anyone help me with that? Thank you so much! i…

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## [Order Of Capture devices, And Capture.list()](https://discourse.processing.org/t/order-of-capture-devices-and-capture-list/5475)

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**Author:** [@redfieldp](https://discourse.processing.org/u/redfieldp)\
**Replies:** 5\
**Last updated:** [November 13, 2018, 2:43pm UTC](https://discourse.processing.org/t/order-of-capture-devices-and-capture-list/5475 "2018-11-13T14:43:39Z")

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I am currently trying to distinguish between 4 Capture devices (cameras) that are all identical, and so have the same readable name as far as OSX is concerned. If you use the system\_profiler command, they all have identi…

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## [Offline video masking](https://discourse.processing.org/t/offline-video-masking/5495)

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**Author:** [@dirkk0](https://discourse.processing.org/u/dirkk0)\
**Replies:** 0\
**Last updated:** [November 13, 2018, 12:39pm UTC](https://discourse.processing.org/t/offline-video-masking/5495 "2018-11-13T12:39:06Z")

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Hi, is there a way to load a video, mask it and create a new, already masked video from it? Thanks, Dirk

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## [Resize canvas from windowResize() distorts proportions of 3D objects](https://discourse.processing.org/t/resize-canvas-from-windowresize-distorts-proportions-of-3d-objects/5492)

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**Author:** [@FedFod](https://discourse.processing.org/u/FedFod)\
**Replies:** 0\
**Last updated:** [November 13, 2018, 12:08pm UTC](https://discourse.processing.org/t/resize-canvas-from-windowresize-distorts-proportions-of-3d-objects/5492 "2018-11-13T12:08:38Z")

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Hi everybody, so when I resize the canvas in this way: m4.windowResized = function() { m4.resizeCanvas(m4.windowWidth, m4.windowHeight); // sphereVertices = pointsOnSphere(etiquetasLength); } the 3D objects on my w…

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## [Change the hue or saturation of an image](https://discourse.processing.org/t/change-the-hue-or-saturation-of-an-image/5202)

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**Author:** [@ultratape](https://discourse.processing.org/u/ultratape)\
**Replies:** 9\
**Last updated:** [November 13, 2018, 12:06pm UTC](https://discourse.processing.org/t/change-the-hue-or-saturation-of-an-image/5202 "2018-11-13T12:06:24Z")

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With this code, I want to change the hue of the image and not the background but I’m not sure what I need to change? This is pretty much my first processing project so I’m not of any of the terms or jargon. Using an ard…

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## [G4P Builder - Not Running in Windows 10](https://discourse.processing.org/t/g4p-builder-not-running-in-windows-10/5479)

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**Author:** [@tcontrada](https://discourse.processing.org/u/tcontrada)\
**Replies:** 2\
**Last updated:** [November 13, 2018, 11:45am UTC](https://discourse.processing.org/t/g4p-builder-not-running-in-windows-10/5479 "2018-11-13T11:45:40Z")

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I am trying to run the G4P Builder program G4PTool.jar in W10, but it does not launch correctly. I tried to run in from the CMD window but I am getting the following error message "G4PTool’ is not recognized as an inte…

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## [Drawings within setup() after surface.setSize()](https://discourse.processing.org/t/drawings-within-setup-after-surface-setsize/5374)

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**Author:** [@gyula](https://discourse.processing.org/u/gyula)\
**Replies:** 4\
**Last updated:** [November 12, 2018, 9:59am UTC](https://discourse.processing.org/t/drawings-within-setup-after-surface-setsize/5374 "2018-11-12T09:59:42Z")

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I like to write simple pieces of code without a draw() block. In this way, it often doesn’t even have to be surrounded by the setup() function, since Processing will do that behind the scenes. When I brought over an old…

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## [Hay libreria para hacer juegos con processing](https://discourse.processing.org/t/hay-libreria-para-hacer-juegos-con-processing/5471)

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**Author:** [@hokuto](https://discourse.processing.org/u/hokuto)\
**Replies:** 2\
**Last updated:** [November 13, 2018, 9:44am UTC](https://discourse.processing.org/t/hay-libreria-para-hacer-juegos-con-processing/5471 "2018-11-13T09:44:21Z")

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Hola. Me gustaria saber si hay alguna libreria que sirva para hacer juegos 2d en processing.

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## [Connectingrods and crankshaft.... for flapping bird](https://discourse.processing.org/t/connectingrods-and-crankshaft-for-flapping-bird/5186)

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**Author:** [@jfs](https://discourse.processing.org/u/jfs)\
**Replies:** 14\
**Last updated:** [November 13, 2018, 8:03am UTC](https://discourse.processing.org/t/connectingrods-and-crankshaft-for-flapping-bird/5186 "2018-11-13T08:03:59Z")

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Hello everyone I try to code a little sketch that allows me to visualize the linkage between the wings and the crankshaft of a plane with flapping wings. For now I have “done” this allows me according to some configura…

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## [Draw lines that go from bottom to top?](https://discourse.processing.org/t/draw-lines-that-go-from-bottom-to-top/5466)

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**Author:** [@josie](https://discourse.processing.org/u/josie)\
**Replies:** 5\
**Last updated:** [November 13, 2018, 6:31am UTC](https://discourse.processing.org/t/draw-lines-that-go-from-bottom-to-top/5466 "2018-11-13T06:31:06Z")

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Hi, I’m very new to processing, so I’m sorry if I make mistakes or have trouble understanding something. I wanted to design a code that drew x amount of lines starting at 0 and went up to the height of my setup then sto…

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## [These functions doesn't exist, why?](https://discourse.processing.org/t/these-functions-doesnt-exist-why/5489)

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**Author:** [@lyndsee](https://discourse.processing.org/u/lyndsee)\
**Replies:** 1\
**Last updated:** [November 13, 2018, 5:11am UTC](https://discourse.processing.org/t/these-functions-doesnt-exist-why/5489 "2018-11-13T05:11:00Z")

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Hi all! I am new here, specifically signed up to resolve this problem. I have Processing 3. I am trying to make two “walkers”. I have all this code here but I keep getting the error message that the functions step(), re…

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## [Mac OS X: How to view exceptions thrown by exported app?](https://discourse.processing.org/t/mac-os-x-how-to-view-exceptions-thrown-by-exported-app/5460)

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**Author:** [@dtmr](https://discourse.processing.org/u/dtmr)\
**Replies:** 2\
**Last updated:** [November 12, 2018, 11:43pm UTC](https://discourse.processing.org/t/mac-os-x-how-to-view-exceptions-thrown-by-exported-app/5460 "2018-11-12T23:43:27Z")

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Is there a way for Mac OS X users of an exported Processing 3 app to view the text of non-fatal exceptions (those messages that normally appear in red in the Processing editor)? I’ve tried to enable logging/console in …

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## [Increase the length of object array](https://discourse.processing.org/t/increase-the-length-of-object-array/5390)

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**Author:** [@dragon\_hatcher](https://discourse.processing.org/u/dragon_hatcher)\
**Replies:** 14\
**Last updated:** [November 12, 2018, 10:47pm UTC](https://discourse.processing.org/t/increase-the-length-of-object-array/5390 "2018-11-12T22:47:08Z")

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Hello Everyone, I’m just learning to use classes and I wanted to use an array to create the objects. I have it set up so that when I click it creates a new object at the mouses position. What I am wondering is how I can…

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## [I want to know how this is expressed. 03](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed-03/5430)

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**Author:** [@alk5603](https://discourse.processing.org/u/alk5603)\
**Replies:** 6\
**Last updated:** [November 12, 2018, 10:05pm UTC](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed-03/5430 "2018-11-12T22:05:23Z")

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## [I want to know how this is expressed. 02](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed-02/5429)

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**Author:** [@alk5603](https://discourse.processing.org/u/alk5603)\
**Replies:** 2\
**Last updated:** [November 12, 2018, 10:04pm UTC](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed-02/5429 "2018-11-12T22:04:29Z")

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## [I want to know how this is expressed. 01](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed-01/5428)

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**Author:** [@alk5603](https://discourse.processing.org/u/alk5603)\
**Replies:** 2\
**Last updated:** [November 12, 2018, 10:03pm UTC](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed-01/5428 "2018-11-12T22:03:26Z")

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## [I want to know how this is expressed](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed/5427)

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**Author:** [@alk5603](https://discourse.processing.org/u/alk5603)\
**Replies:** 2\
**Last updated:** [November 12, 2018, 10:02pm UTC](https://discourse.processing.org/t/i-want-to-know-how-this-is-expressed/5427 "2018-11-12T22:02:41Z")

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## [How to Access Source Code?](https://discourse.processing.org/t/how-to-access-source-code/5434)

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**Author:** [@Lexyth](https://discourse.processing.org/u/Lexyth)\
**Replies:** 1\
**Last updated:** [November 12, 2018, 9:59pm UTC](https://discourse.processing.org/t/how-to-access-source-code/5434 "2018-11-12T21:59:49Z")

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What i Need it to Access the Source Code, But only the ‚Blocks‘ from specific classes/methods, for a Tool i‘m trying to write. I already looked at how autosuggestion gets it‘s information and came to eclipses Block or m…

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## [Animation frames overwrite themselves. Why?](https://discourse.processing.org/t/animation-frames-overwrite-themselves-why/5452)

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**Author:** [@Arnoldovna](https://discourse.processing.org/u/Arnoldovna)\
**Replies:** 3\
**Last updated:** [November 12, 2018, 9:55pm UTC](https://discourse.processing.org/t/animation-frames-overwrite-themselves-why/5452 "2018-11-12T21:55:34Z")

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I am using a video input to draw onto a canvas in order to get the color of the pixel in the very middle of the canvas. With the recent code I have the pixel color and pass it as a color value to draw a line. This line …

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