# Latest

**URL:** https://discourse.processing.org/latest.md?no_subcategories=false&page=242

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

**Page:** 243

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## [2D Terrain Generation using Perlin Noise](https://discourse.processing.org/t/2d-terrain-generation-using-perlin-noise/28708)

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**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 0\
**Last updated:** [March 22, 2021, 2:11am UTC](https://discourse.processing.org/t/2d-terrain-generation-using-perlin-noise/28708 "2021-03-22T02:11:48Z")

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## [Create 2D game map with images](https://discourse.processing.org/t/create-2d-game-map-with-images/28410)

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**Author:** [@oussama10](https://discourse.processing.org/u/oussama10)\
**Replies:** 31\
**Last updated:** [March 21, 2021, 11:48pm UTC](https://discourse.processing.org/t/create-2d-game-map-with-images/28410 "2021-03-21T23:48:09Z")

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A Bomberman level can be considered a grid, of three types, each represented by a 16x16 pixel size image: the ground (ground.png), the destructible blocks (softBlock.png) and indestructible blocks (hardBlock.png). The d…

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## [Website idea(s)](https://discourse.processing.org/t/website-idea-s/28695)

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**Author:** [@OptOut](https://discourse.processing.org/u/OptOut)\
**Replies:** 4\
**Last updated:** [March 21, 2021, 4:32pm UTC](https://discourse.processing.org/t/website-idea-s/28695 "2021-03-21T16:32:15Z")

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Hi everybody, I am thinking about a project (very early stages) - a website used to tell a ‘story’ (no interactivity). So something like this: Website/page loads x seconds text\_1 appears x seconds image\_1 ap…

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## [Prevent one Processing window from closing others](https://discourse.processing.org/t/prevent-one-processing-window-from-closing-others/13719)

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**Author:** [@micycle](https://discourse.processing.org/u/micycle)\
**Replies:** 8\
**Last updated:** [March 21, 2021, 3:01pm UTC](https://discourse.processing.org/t/prevent-one-processing-window-from-closing-others/13719 "2021-03-21T15:01:52Z")

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I’m experimenting with launching multiple processing windows. I find that when I set the renderer to be the same for all sketch instances, closing one immediately closes the other two instances. When all renderers are …

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## [Generate captcha using processing](https://discourse.processing.org/t/generate-captcha-using-processing/28655)

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**Author:** [@Shekla](https://discourse.processing.org/u/Shekla)\
**Replies:** 3\
**Last updated:** [March 21, 2021, 1:55pm UTC](https://discourse.processing.org/t/generate-captcha-using-processing/28655 "2021-03-21T13:55:38Z")

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please format code with \</\> button \* homework policy \* asking questions Can anyone help me showing how to make captcha in processing language?

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## [High resolution video mapping](https://discourse.processing.org/t/high-resolution-video-mapping/28688)

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**Author:** [@C.B](https://discourse.processing.org/u/C.B)\
**Replies:** 9\
**Last updated:** [March 21, 2021, 10:34am UTC](https://discourse.processing.org/t/high-resolution-video-mapping/28688 "2021-03-21T10:34:40Z")

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Hello everyone ! I’m new to Digital Arts and I would like to know if Processing is capable to handle something like 4 live video streams (2K to 4K) in 60 fps when manipulating them along with other high resolution video…

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## [Closing One Window and Opening Another](https://discourse.processing.org/t/closing-one-window-and-opening-another/28667)

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**Author:** [@Flamingo](https://discourse.processing.org/u/Flamingo)\
**Replies:** 1\
**Last updated:** [March 20, 2021, 11:55pm UTC](https://discourse.processing.org/t/closing-one-window-and-opening-another/28667 "2021-03-20T23:55:16Z")

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Hi there, I'm simply trying to run a program where I need to completely close one window/papplet and open a new one after an action has been made by the user (e.g. mousePressed). I need something that actually closes the…

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## [Make text print on screen before the dialog box comes?](https://discourse.processing.org/t/make-text-print-on-screen-before-the-dialog-box-comes/28670)

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**Author:** [@resboy2445](https://discourse.processing.org/u/resboy2445)\
**Replies:** 2\
**Last updated:** [March 20, 2021, 10:51pm UTC](https://discourse.processing.org/t/make-text-print-on-screen-before-the-dialog-box-comes/28670 "2021-03-20T22:51:27Z")

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How do i make a text print on the screen before the dialog box comes? i am supposed to make the text be on the screen, then when the user clicks on the screen the user will have to type in the dialog box what is on the s…

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## [How to create android library eclipse?](https://discourse.processing.org/t/how-to-create-android-library-eclipse/28638)

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**Author:** [@paulgoux](https://discourse.processing.org/u/paulgoux)\
**Replies:** 4\
**Last updated:** [March 20, 2021, 6:48pm UTC](https://discourse.processing.org/t/how-to-create-android-library-eclipse/28638 "2021-03-20T18:48:38Z")

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Hi everyone I’m hoping one of you can help please. I’ve been racking my brain trying to figure out how to extend my library to android. I already have a library which contains the following java files. Initially I …

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## [How do I change where the drawing is happening](https://discourse.processing.org/t/how-do-i-change-where-the-drawing-is-happening/28658)

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**Author:** [@Saad-py](https://discourse.processing.org/u/Saad-py)\
**Replies:** 7\
**Last updated:** [March 20, 2021, 4:11pm UTC](https://discourse.processing.org/t/how-do-i-change-where-the-drawing-is-happening/28658 "2021-03-20T16:11:45Z")

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My code: float x = 0.10; float y = 0.0; float z = 0.0; float a = 10; float b = 28; float c = 8.0/3.0; ArrayList\<PVector\> points = new ArrayList\<PVector\>(); void setup() { size(800, 600); colorMode(HSB); } voi…

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## [GSOC-21 Proposal](https://discourse.processing.org/t/gsoc-21-proposal/28685)

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**Author:** [@molybdenum](https://discourse.processing.org/u/molybdenum)\
**Replies:** 0\
**Last updated:** [March 20, 2021, 4:03pm UTC](https://discourse.processing.org/t/gsoc-21-proposal/28685 "2021-03-20T16:03:53Z")

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Hi, I am Tathagata, a sophomore undergraduate at IIIT Gwalior, India. Firstly I greatly appreciate the work done by this community and have decided to try for this year’s GSOC. I am almost done making my proposal and h…

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## [Forced to donate, still won't let me download](https://discourse.processing.org/t/forced-to-donate-still-wont-let-me-download/28682)

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**Author:** [@wakingBear](https://discourse.processing.org/u/wakingBear)\
**Replies:** 4\
**Last updated:** [March 20, 2021, 3:45pm UTC](https://discourse.processing.org/t/forced-to-donate-still-wont-let-me-download/28682 "2021-03-20T15:45:42Z")

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I am trying to download v.2.2.1 and the site wont let me until I donate. Well I donated… and it took me to a page that said thanks, with no links for the download… so I was forced to navigate off the page and lo and beho…

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## [1:1 Check-in for educators](https://discourse.processing.org/t/1-1-check-in-for-educators/28680)

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**Author:** [@saberkhan](https://discourse.processing.org/u/saberkhan)\
**Replies:** 0\
**Last updated:** [March 20, 2021, 2:15pm UTC](https://discourse.processing.org/t/1-1-check-in-for-educators/28680 "2021-03-20T14:15:49Z")

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Hi there, I have some times available next week to meet with educators. Would love to connect about curriculum, remote learning, Processing Fellowships, Google Summer of Code, Processing Community Day, etc. You can grab…

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## [Downloading Email Attachments Processing 3](https://discourse.processing.org/t/downloading-email-attachments-processing-3/28475)

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**Author:** [@Flamingo](https://discourse.processing.org/u/Flamingo)\
**Replies:** 3\
**Last updated:** [March 20, 2021, 12:03am UTC](https://discourse.processing.org/t/downloading-email-attachments-processing-3/28475 "2021-03-20T00:03:34Z")

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Hi there. I'm new to the JavaMail library and I'm simply trying to download the attachments from my last received email to a folder. Every time I run the code I get an error regarding the host and connection. Something t…

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## [Issues with overwriting](https://discourse.processing.org/t/issues-with-overwriting/28650)

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**Author:** [@quargsgreene](https://discourse.processing.org/u/quargsgreene)\
**Replies:** 2\
**Last updated:** [March 19, 2021, 9:08pm UTC](https://discourse.processing.org/t/issues-with-overwriting/28650 "2021-03-19T21:08:58Z")

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I am trying to have multiple same-size rectangular panels of differing colors appear on the canvas. However, each panel is appearing the same color. Each color is stored in an array declared globally and each element the…

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## [I am Merging My Software From GPL to MIT LICENSE](https://discourse.processing.org/t/i-am-merging-my-software-from-gpl-to-mit-license/28664)

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**Author:** [@Skys](https://discourse.processing.org/u/Skys)\
**Replies:** 0\
**Last updated:** [March 19, 2021, 5:55pm UTC](https://discourse.processing.org/t/i-am-merging-my-software-from-gpl-to-mit-license/28664 "2021-03-19T17:55:57Z")

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My Java Processing work is now MIT LICENSE. or https://sourceforge.net/u/xqskys/profile MIT License Copyright © 2021 Jan Bühring Permission is hereby granted, free of charge, to any person obtaining a copy of thi…

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## [Animated Cube of Cubes with Java and Processing](https://discourse.processing.org/t/animated-cube-of-cubes-with-java-and-processing/28661)

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**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 0\
**Last updated:** [March 19, 2021, 4:53pm UTC](https://discourse.processing.org/t/animated-cube-of-cubes-with-java-and-processing/28661 "2021-03-19T16:53:39Z")

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int OFF\_MAX = 300; void setup() { size(1080, 1060, P3D); } void draw() { background(0); translate(width / 2, height / 2, -OFF\_MAX); rotateX(frameCount \* .01); rotateY(frameCount \* .01); rotate…

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## [JButtons in processing](https://discourse.processing.org/t/jbuttons-in-processing/28641)

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**Author:** [@SNICKRS](https://discourse.processing.org/u/SNICKRS)\
**Replies:** 3\
**Last updated:** [March 19, 2021, 4:53pm UTC](https://discourse.processing.org/t/jbuttons-in-processing/28641 "2021-03-19T16:53:10Z")

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Hello everyone, I am making a simple application that requires a lot of buttons, and I want to be able to use the JButton class in order to do so. However, I don’t know how to do this because traditionally to make a JBut…

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## [How to access active value in controlP5 dropdown list?](https://discourse.processing.org/t/how-to-access-active-value-in-controlp5-dropdown-list/28613)

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**Author:** [@tea\_tree](https://discourse.processing.org/u/tea_tree)\
**Replies:** 2\
**Last updated:** [March 19, 2021, 4:43pm UTC](https://discourse.processing.org/t/how-to-access-active-value-in-controlp5-dropdown-list/28613 "2021-03-19T16:43:44Z")

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I’m trying to use the controlP5 dropdown list: dropdown = cp5.addScrollableList("Filter") .setPosition(10, 55) .setSize(200, 100) .setBarHeight(20) .setItemHeight(20) .addItems(l) .setOpen(fals…

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## [Create applications to open a selfmade file type (read discription)](https://discourse.processing.org/t/create-applications-to-open-a-selfmade-file-type-read-discription/28610)

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**Author:** [@NumericPrime](https://discourse.processing.org/u/NumericPrime)\
**Replies:** 7\
**Last updated:** [March 19, 2021, 3:32pm UTC](https://discourse.processing.org/t/create-applications-to-open-a-selfmade-file-type-read-discription/28610 "2021-03-19T15:32:33Z")

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I created a programm to process a specific file format. How can I make it compartible with the “open with”-function when double-clicking the file? In the programm the files are opened with selectedInput().

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## [OpenSimplexNoise2 in JRubyArt](https://discourse.processing.org/t/opensimplexnoise2-in-jrubyart/28653)

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**Author:** [@monkstone](https://discourse.processing.org/u/monkstone)\
**Replies:** 0\
**Last updated:** [March 19, 2021, 8:22am UTC](https://discourse.processing.org/t/opensimplexnoise2-in-jrubyart/28653 "2021-03-19T08:22:21Z")

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JRubyArt is soon to join PiCrate and propane in dropping processings PerlinNoise (brought to processing by Karsten Schmidt) in favour of a wrapper for KdotJPG OpenSimplex2.java. I was inspired to do this by a post by Eti…

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## [P3D Processing source code / help me](https://discourse.processing.org/t/p3d-processing-source-code-help-me/28626)

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**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 8\
**Last updated:** [March 19, 2021, 6:51am UTC](https://discourse.processing.org/t/p3d-processing-source-code-help-me/28626 "2021-03-19T06:51:58Z")

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please format code with \</\> button \* homework policy \* asking questions How do I set the initial starting point position? I want to set a location that starts as soon as the program is turned on. Set where the …

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## [THE MIDI BUS - Program leaves draw Loop when exporting application](https://discourse.processing.org/t/the-midi-bus-program-leaves-draw-loop-when-exporting-application/28577)

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**Author:** [@geraldp001](https://discourse.processing.org/u/geraldp001)\
**Replies:** 2\
**Last updated:** [March 18, 2021, 8:40pm UTC](https://discourse.processing.org/t/the-midi-bus-program-leaves-draw-loop-when-exporting-application/28577 "2021-03-18T20:40:46Z")

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Hello, I wrote a program which takes MIDI input from my keyboard and displays graphics. The program works fine until I am exporting it. After exporting the program seems to freeze after the first MIDI event is trigger…

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## [Game from Japan](https://discourse.processing.org/t/game-from-japan/28639)

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**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 0\
**Last updated:** [March 18, 2021, 4:02pm UTC](https://discourse.processing.org/t/game-from-japan/28639 "2021-03-18T16:02:01Z")

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import fisica.\*; FWorld world; FBox paddle; FCircle ball; int score=0; void setup() { size(600, 600, P3D); noStroke(); textAlign(CENTER); textSize(50); Fisica.init(this); world=new FWorld(); world.setGra…

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## [Nature of Code book (random walker)](https://discourse.processing.org/t/nature-of-code-book-random-walker/28637)

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**Author:** [@Ariadne](https://discourse.processing.org/u/Ariadne)\
**Replies:** 7\
**Last updated:** [March 18, 2021, 3:13pm UTC](https://discourse.processing.org/t/nature-of-code-book-random-walker/28637 "2021-03-18T15:13:48Z")

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I have been trying to follow with the Nature Of Code processing book in p5js. The following code does not work: class Walker { contructor() { this.x = 250; this.y = 250; } display() { stroke(255); …

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## [How to do shape recognition in video feed?](https://discourse.processing.org/t/how-to-do-shape-recognition-in-video-feed/28408)

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**Author:** [@samuset](https://discourse.processing.org/u/samuset)\
**Replies:** 10\
**Last updated:** [March 18, 2021, 1:02pm UTC](https://discourse.processing.org/t/how-to-do-shape-recognition-in-video-feed/28408 "2021-03-18T13:02:48Z")

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Hi, I’m looking to have a number of cubes with different irregular polygons on top of them on a table, with a camera looking down onto them. I’d like to get the position and ID of each cube, based on the shapes on them. …

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## [I really need a help (circle getting smaller)](https://discourse.processing.org/t/i-really-need-a-help-circle-getting-smaller/28629)

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**Author:** [@imcute1002](https://discourse.processing.org/u/imcute1002)\
**Replies:** 5\
**Last updated:** [March 18, 2021, 10:53am UTC](https://discourse.processing.org/t/i-really-need-a-help-circle-getting-smaller/28629 "2021-03-18T10:53:04Z")

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please format code with \</\> button \* homework policy \* asking questions I need to make a circle. that size keep samller and color keep change

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## [SVG from P3D: how to preserve curve continuity and vertex position?](https://discourse.processing.org/t/svg-from-p3d-how-to-preserve-curve-continuity-and-vertex-position/28575)

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**Author:** [@YcarusDiedForUs](https://discourse.processing.org/u/YcarusDiedForUs)\
**Replies:** 2\
**Last updated:** [March 18, 2021, 10:35am UTC](https://discourse.processing.org/t/svg-from-p3d-how-to-preserve-curve-continuity-and-vertex-position/28575 "2021-03-18T10:35:59Z")

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Hi! I am trying to make 3D curves with curveVertex and export it as an svg file. However, when I open the resulting svg file with Illustrator, the lines appear correctly, but they are built with unconnected curves, eac…

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## [Get the key event after losing focus](https://discourse.processing.org/t/get-the-key-event-after-losing-focus/28633)

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**Author:** [@AbleYudada](https://discourse.processing.org/u/AbleYudada)\
**Replies:** 2\
**Last updated:** [March 18, 2021, 10:34am UTC](https://discourse.processing.org/t/get-the-key-event-after-losing-focus/28633 "2021-03-18T10:34:40Z")

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Hello guys！ I want to implement a feature that I can still get key events when the focus is not on the current window, but I am having trouble now. I found an example on github, but I put the java code and jar file into…

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## [Processing keeps crashing a second after I start it](https://discourse.processing.org/t/processing-keeps-crashing-a-second-after-i-start-it/28591)

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**Author:** [@Abu-Bakr](https://discourse.processing.org/u/Abu-Bakr)\
**Replies:** 10\
**Last updated:** [March 18, 2021, 12:05am UTC](https://discourse.processing.org/t/processing-keeps-crashing-a-second-after-i-start-it/28591 "2021-03-18T00:05:35Z")

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I start processing, but it crashes. Ideas why? I’ve seen this problem in: https://discourse.processing.org/t/processing-crashes-after-file-selection-dialog/1431 and: https://discourse.processing.org/t/processing-will-no…

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