# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?no_subcategories=false&page=7

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

**Page:** 8

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## [Rendering a long animation to file, not real time](https://discourse.processing.org/t/rendering-a-long-animation-to-file-not-real-time/46779)

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**Author:** [@MichaelMean](https://discourse.processing.org/u/MichaelMean)\
**Replies:** 5\
**Last updated:** [July 29, 2025, 2:43am UTC](https://discourse.processing.org/t/rendering-a-long-animation-to-file-not-real-time/46779 "2025-07-29T02:43:01Z")

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I’m just getting started with Processing. I have a background in coding though extremely rusty. I’ve run the examples and coded some fun stuff but I really want to render a long animation, say 30 minutes. If I did it f…

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## [process.getInputStream() is Buffered and blocks print() from Python code](https://discourse.processing.org/t/process-getinputstream-is-buffered-and-blocks-print-from-python-code/46800)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 4\
**Last updated:** [July 28, 2025, 1:49am UTC](https://discourse.processing.org/t/process-getinputstream-is-buffered-and-blocks-print-from-python-code/46800 "2025-07-28T01:49:24Z")

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I’m having difficulty getting Runtime.getRuntime().exec(cmd) to return print() calls from a py5 file. The Processing console output should look like the Terminal output, but is instead very scant and I can’t find any ot…

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## [Target VM failed to initialize after using video library VLC](https://discourse.processing.org/t/target-vm-failed-to-initialize-after-using-video-library-vlc/46807)

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**Author:** [@AABERBACH](https://discourse.processing.org/u/AABERBACH)\
**Replies:** 2\
**Last updated:** [July 28, 2025, 11:58am UTC](https://discourse.processing.org/t/target-vm-failed-to-initialize-after-using-video-library-vlc/46807 "2025-07-28T11:58:03Z")

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I view in my program pde video using vlc library but after clsoe the video the program pde show this error Could not run the sketch (Target VM failed to initialize). Make sure that you haven’t set the maximum available…

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## [Missing semicolon error when there really is one](https://discourse.processing.org/t/missing-semicolon-error-when-there-really-is-one/46805)

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**Author:** [@svan](https://discourse.processing.org/u/svan)\
**Replies:** 3\
**Last updated:** [July 27, 2025, 5:40pm UTC](https://discourse.processing.org/t/missing-semicolon-error-when-there-really-is-one/46805 "2025-07-27T17:40:15Z")

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Any of you Windows users know why this returns an error when it clearly has a semicolon: cmdStr = "C:\\Users\\s\\.venv\\Scripts\\py5-run-sketch.exe"; Error: What can I do to get around it?

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## [JavaFX TransparentWindow Drawing (Discussion)](https://discourse.processing.org/t/javafx-transparentwindow-drawing-discussion/46621)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 6\
**Last updated:** [July 27, 2025, 1:09pm UTC](https://discourse.processing.org/t/javafx-transparentwindow-drawing-discussion/46621 "2025-07-27T13:09:11Z")

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Hello @svan, I don’t care to turn a Gallery Topic into a discussion that may be distracting from the the work and will provide feedback here instead. I should have done this initially and deleted my posts from there. T…

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## [Would you use PDE (Processing) sketches via pde:// links and Maven-based libraries?](https://discourse.processing.org/t/would-you-use-pde-processing-sketches-via-pde-links-and-maven-based-libraries/46773)

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**Author:** [@maxandersen](https://discourse.processing.org/u/maxandersen)\
**Replies:** 0\
**Last updated:** [July 22, 2025, 7:16pm UTC](https://discourse.processing.org/t/would-you-use-pde-processing-sketches-via-pde-links-and-maven-based-libraries/46773 "2025-07-22T19:16:24Z")

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I’ve been experimenting with a new way to make it much easier to share and run Processing sketches — inspired by the pde://sketch/… link format. I’ve created a JBang script that lets you run PDE sketches directly from p…

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## [How to export video on 4.4.1](https://discourse.processing.org/t/how-to-export-video-on-4-4-1/46324)

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**Author:** [@nimboos2255](https://discourse.processing.org/u/nimboos2255)\
**Replies:** 6\
**Last updated:** [July 21, 2025, 2:15pm UTC](https://discourse.processing.org/t/how-to-export-video-on-4-4-1/46324 "2025-07-21T14:15:48Z")

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Since processing removed the movie maker, how to export using the video export library?

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## [Movie Maker tool issues](https://discourse.processing.org/t/movie-maker-tool-issues/46767)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 0\
**Last updated:** [July 21, 2025, 1:37pm UTC](https://discourse.processing.org/t/movie-maker-tool-issues/46767 "2025-07-21T13:37:29Z")

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Hello, I am using Windows 10 Pro and Processing 4.4.4. I downloaded the Movie Maker tool from the Contribution Manager and had the following experience: Installed from Contribution Manager: Launching Movie Maker …

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## [Trouble expanding and writing to array of objects](https://discourse.processing.org/t/trouble-expanding-and-writing-to-array-of-objects/46750)

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**Author:** [@WhiteSquire](https://discourse.processing.org/u/WhiteSquire)\
**Replies:** 6\
**Last updated:** [July 20, 2025, 12:28am UTC](https://discourse.processing.org/t/trouble-expanding-and-writing-to-array-of-objects/46750 "2025-07-20T00:28:16Z")

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Hello. Slightly embarrassing, I appear to be having trouble with this class array. Getting NullPointerException, but I’ve checked by dumping the length of the array to the console, and it’s definitely getting expanded.I…

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## [Processing 4.4.4 in Eclipse IDE 2025-06 (4.36.0) can't find PApplet](https://discourse.processing.org/t/processing-4-4-4-in-eclipse-ide-2025-06-4-36-0-cant-find-papplet/46742)

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**Author:** [@cvconnector](https://discourse.processing.org/u/cvconnector)\
**Replies:** 5\
**Last updated:** [July 17, 2025, 2:33pm UTC](https://discourse.processing.org/t/processing-4-4-4-in-eclipse-ide-2025-06-4-36-0-cant-find-papplet/46742 "2025-07-17T14:33:04Z")

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Hi there, i am trying to get Processing 4.4.4 to run in Eclipse IDE 2025-06 (4.36.0). I have installed both programs and also installed the JDK 24 for Windows. I have choosen the JDK 24 at windows → preferences → jav…

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## [How do I run Processing through a terminal?](https://discourse.processing.org/t/how-do-i-run-processing-through-a-terminal/46746)

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**Author:** [@MilkJz](https://discourse.processing.org/u/MilkJz)\
**Replies:** 1\
**Last updated:** [July 17, 2025, 8:20am UTC](https://discourse.processing.org/t/how-do-i-run-processing-through-a-terminal/46746 "2025-07-17T08:20:38Z")

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I read that this can be done by adding the path to processing-java.exe in PATH, but in the new versions of Processing I cannot find processing-java.exe. Maybe I don’t understand something, but I tried to find this .exe …

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## [I need help with my Space Invaders clone (second round loading improperly)](https://discourse.processing.org/t/i-need-help-with-my-space-invaders-clone-second-round-loading-improperly/46743)

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**Author:** [@PaddedMellie](https://discourse.processing.org/u/PaddedMellie)\
**Replies:** 1\
**Last updated:** [July 16, 2025, 11:32pm UTC](https://discourse.processing.org/t/i-need-help-with-my-space-invaders-clone-second-round-loading-improperly/46743 "2025-07-16T23:32:40Z")

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I need some help writing a gameplay loop for my Space Invaders clone. I have it partially working, but for whatever reason the second level only spawns 1 ship instead of the 20 I have coded. I cannot figure out why the l…

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## [Error in Processing 4 (freezing with show usage, jump to declaration etc.)](https://discourse.processing.org/t/error-in-processing-4-freezing-with-show-usage-jump-to-declaration-etc/40739)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 4\
**Last updated:** [July 2, 2025, 10:06pm UTC](https://discourse.processing.org/t/error-in-processing-4-freezing-with-show-usage-jump-to-declaration-etc/40739 "2025-07-02T22:06:10Z")

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processing v4 crashes when using show usage jump to declaration etc.

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## [Streaming sketch output to different machine?](https://discourse.processing.org/t/streaming-sketch-output-to-different-machine/26847)

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**Author:** [@baylyd](https://discourse.processing.org/u/baylyd)\
**Replies:** 9\
**Last updated:** [July 16, 2025, 3:35pm UTC](https://discourse.processing.org/t/streaming-sketch-output-to-different-machine/26847 "2025-07-16T15:35:53Z")

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Hello there, I have an upcoming project which requires running the code and viewing the outputs on different machines, is there a way to stream the processing sketch over a network? It’d be great to get the data either …

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## [Processing-java CLI arguments for 4.4.4 on Mac](https://discourse.processing.org/t/processing-java-cli-arguments-for-4-4-4-on-mac/46734)

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**Author:** [@blotto888](https://discourse.processing.org/u/blotto888)\
**Replies:** 4\
**Last updated:** [July 16, 2025, 5:52am UTC](https://discourse.processing.org/t/processing-java-cli-arguments-for-4-4-4-on-mac/46734 "2025-07-16T05:52:10Z")

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Hi , I am trying to pass arguments via the command line - and following the wiki suggestions to pass args after the --run command for example. However, I am getting an error from processing-java from the command line. …

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## [Error, disabling serialEvent() for COM8 null (A Solution that worked for me)](https://discourse.processing.org/t/error-disabling-serialevent-for-com8-null-a-solution-that-worked-for-me/36120)

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**Author:** [@owens1024](https://discourse.processing.org/u/owens1024)\
**Replies:** 2\
**Last updated:** [July 16, 2025, 2:05am UTC](https://discourse.processing.org/t/error-disabling-serialevent-for-com8-null-a-solution-that-worked-for-me/36120 "2025-07-16T02:05:20Z")

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Good afternoon All, Problem: Error, disabling serialEvent() for COM8 null ..when running a PROCESSING sketch Environment I have an Arduino Uno running an Ultrasonic sweep sketch and am trying to learn PROCESSING by…

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## [I need help with collision detection in clone game](https://discourse.processing.org/t/i-need-help-with-collision-detection-in-clone-game/46723)

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**Author:** [@PaddedMellie](https://discourse.processing.org/u/PaddedMellie)\
**Replies:** 4\
**Last updated:** [July 15, 2025, 4:19pm UTC](https://discourse.processing.org/t/i-need-help-with-collision-detection-in-clone-game/46723 "2025-07-15T16:19:03Z")

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Hi, I’m new to the world of game development with Processing and I am struggling to get my code to work. I have a good portion of it working but I cannot figure out collision detection. Here’s the main loop: //Create 1…

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## [Processing Java Background Bug](https://discourse.processing.org/t/processing-java-background-bug/46644)

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**Author:** [@Bill\_goo](https://discourse.processing.org/u/Bill_goo)\
**Replies:** 2\
**Last updated:** [July 14, 2025, 3:14am UTC](https://discourse.processing.org/t/processing-java-background-bug/46644 "2025-07-14T03:14:35Z")

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Please help. For some reason, I cannot set a 1000x600 image as my background. It keeps saying the dimensions are different, but I used the dimensions of the background as the app size. Please help. import java.util.\*; p…

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## [Integration of Processing into Ubuntu](https://discourse.processing.org/t/integration-of-processing-into-ubuntu/46568)

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**Author:** [@plammich](https://discourse.processing.org/u/plammich)\
**Replies:** 11\
**Last updated:** [July 11, 2025, 8:14am UTC](https://discourse.processing.org/t/integration-of-processing-into-ubuntu/46568 "2025-07-11T08:14:30Z")

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I tried to install Processing 4.4.4 on Ubuntu 24.04 (latest version at time of writing). The only option seems to be via a snap. However, the integration into Ubuntu is poor: on startup, I regularly see exceptions (attac…

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## [How to make a game start menu in Processing?](https://discourse.processing.org/t/how-to-make-a-game-start-menu-in-processing/6019)

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**Author:** [@CyanNi](https://discourse.processing.org/u/CyanNi)\
**Replies:** 8\
**Last updated:** [July 9, 2025, 3:56am UTC](https://discourse.processing.org/t/how-to-make-a-game-start-menu-in-processing/6019 "2025-07-09T03:56:48Z")

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Hello! I’m to trying to make a game, but I want to create a game start menu. I’ve looked at other forums, and I just feel confused?? Can someone ELI5 for this?

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## [Having trouble with rotating and translating specific elements and overlapping them on top of each other](https://discourse.processing.org/t/having-trouble-with-rotating-and-translating-specific-elements-and-overlapping-them-on-top-of-each-other/46664)

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**Author:** [@Deathlord719](https://discourse.processing.org/u/Deathlord719)\
**Replies:** 3\
**Last updated:** [July 9, 2025, 7:09am UTC](https://discourse.processing.org/t/having-trouble-with-rotating-and-translating-specific-elements-and-overlapping-them-on-top-of-each-other/46664 "2025-07-09T07:09:25Z")

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I am a beginner to processing and coding in general. I am trying to recreate the following image in processing. There was already another post on this(they solved it by copying over an area of blue rectangle onto the…

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## [SaveFrame creating double sized images](https://discourse.processing.org/t/saveframe-creating-double-sized-images/46680)

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**Author:** [@timesuptim](https://discourse.processing.org/u/timesuptim)\
**Replies:** 2\
**Last updated:** [July 8, 2025, 5:55pm UTC](https://discourse.processing.org/t/saveframe-creating-double-sized-images/46680 "2025-07-08T17:55:25Z")

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Hello all, I am using Processing to make videos. Every frame is saved with the draw() function. For some reason, the frames being saved are twice the size of the screen. I set screen size with size(1680,1050); and the…

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## [Serial.list() not showing USB ports (available serial ports)](https://discourse.processing.org/t/serial-list-not-showing-usb-ports-available-serial-ports/46429)

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**Author:** [@newuser](https://discourse.processing.org/u/newuser)\
**Replies:** 11\
**Last updated:** [July 7, 2025, 2:51pm UTC](https://discourse.processing.org/t/serial-list-not-showing-usb-ports-available-serial-ports/46429 "2025-07-07T14:51:15Z")

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Windows 11 (auto update) Processing 4.4.4 I have two USB ports available, and both work with other hardware not related to Processing (mouse, USB printer, USB memory, battery tester, audio player, Arduino, ESP). Using…

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## [Pixelated images](https://discourse.processing.org/t/pixelated-images/46658)

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**Author:** [@humano](https://discourse.processing.org/u/humano)\
**Replies:** 7\
**Last updated:** [July 4, 2025, 1:07pm UTC](https://discourse.processing.org/t/pixelated-images/46658 "2025-07-04T13:07:58Z")

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Hi there! I have been using processing again after sometime and I don’t understand why images are so pixelated. I am using processing 4.4.4 in Java mode in my pc and all the sketches are really pixelated, it doesn’t mat…

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## [What is the purpose of the resize() method in PGraphics if it doesn't work?](https://discourse.processing.org/t/what-is-the-purpose-of-the-resize-method-in-pgraphics-if-it-doesnt-work/46660)

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**Author:** [@aiapps](https://discourse.processing.org/u/aiapps)\
**Replies:** 3\
**Last updated:** [July 4, 2025, 1:37pm UTC](https://discourse.processing.org/t/what-is-the-purpose-of-the-resize-method-in-pgraphics-if-it-doesnt-work/46660 "2025-07-04T13:37:15Z")

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maybe it depends on the version? or it didn’t work from the start?

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## [Background image doesn't load](https://discourse.processing.org/t/background-image-doesnt-load/46654)

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**Author:** [@henk\_lamers](https://discourse.processing.org/u/henk_lamers)\
**Replies:** 3\
**Last updated:** [July 4, 2025, 12:18am UTC](https://discourse.processing.org/t/background-image-doesnt-load/46654 "2025-07-04T00:18:16Z")

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I get the message: background image must be the same size as your application. The image is 1000 x 1000. Checked that in Photoshop. PImage BackgroundGradient; void setup () { size (1000, 1000); smooth(); noStrok…

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## [Game controller input (gamepads, joysticks, etc.) in Processing 4](https://discourse.processing.org/t/game-controller-input-gamepads-joysticks-etc-in-processing-4/46197)

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**Author:** [@GSA\_IxD](https://discourse.processing.org/u/GSA_IxD)\
**Replies:** 10\
**Last updated:** [July 3, 2025, 6:01pm UTC](https://discourse.processing.org/t/game-controller-input-gamepads-joysticks-etc-in-processing-4/46197 "2025-07-03T18:01:51Z")

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I am looking to teach how to implement the above in Processing 4 and seems the Game Control Plus Library is not functional in Processing 4. I can’t see any alternative way to get simple input from such devices into Proce…

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## [4.4.4 runs ok from command line, but not as app](https://discourse.processing.org/t/4-4-4-runs-ok-from-command-line-but-not-as-app/46646)

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**Author:** [@toby](https://discourse.processing.org/u/toby)\
**Replies:** 4\
**Last updated:** [July 2, 2025, 8:53pm UTC](https://discourse.processing.org/t/4-4-4-runs-ok-from-command-line-but-not-as-app/46646 "2025-07-02T20:53:14Z")

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Hi! Glad to be back after being away for a while. I just downloaded 4.4.4 for Mac silicon (MBP, Sequoia 15.5 (24F74)). When launching it as usual from Applications as an app, nothing happens! But if I launch it from th…

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## [Multiple background processes on Win 10 while not running Processing](https://discourse.processing.org/t/multiple-background-processes-on-win-10-while-not-running-processing/46648)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 1\
**Last updated:** [July 2, 2025, 2:06pm UTC](https://discourse.processing.org/t/multiple-background-processes-on-win-10-while-not-running-processing/46648 "2025-07-02T14:06:47Z")

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Hello @sableraph , I had not yet fired up Processing 4.4.4 and thought I would take a look on my Windows 10. I usually look at the top of task manager to see running Apps for Processing\\Java: I found these down th…

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## [Java.sql in Processing 4.4.4](https://discourse.processing.org/t/java-sql-in-processing-4-4-4/46611)

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**Author:** [@PerryJohnson](https://discourse.processing.org/u/PerryJohnson)\
**Replies:** 3\
**Last updated:** [July 2, 2025, 11:53am UTC](https://discourse.processing.org/t/java-sql-in-processing-4-4-4/46611 "2025-07-02T11:53:21Z")

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I’m getting this error now with code that worked in the previous version, The package “java.sql” does not exist. You might be missing a library. java.sql is included in Java SE. Has Processing gutted the standard libra…

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