# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?page=318

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

**Page:** 319

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## [How to fill the canvas with a string?](https://discourse.processing.org/t/how-to-fill-the-canvas-with-a-string/8742)

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**Author:** [@jacobo](https://discourse.processing.org/u/jacobo)\
**Replies:** 3\
**Last updated:** [March 2, 2019, 4:19am UTC](https://discourse.processing.org/t/how-to-fill-the-canvas-with-a-string/8742 "2019-03-02T04:19:05Z")

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Hi! Basically I want to fill the 700x1000 canvas with 3 sets of text lines till it hits 600 pixels y. I’ve tried to make a String with the lines of text and put it into a for loop but I’m not sure if it’s the correct w…

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## [How to make something inside a loop happen once?](https://discourse.processing.org/t/how-to-make-something-inside-a-loop-happen-once/8807)

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**Author:** [@jacobo](https://discourse.processing.org/u/jacobo)\
**Replies:** 8\
**Last updated:** [March 1, 2019, 8:33pm UTC](https://discourse.processing.org/t/how-to-make-something-inside-a-loop-happen-once/8807 "2019-03-01T20:33:23Z")

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Hey guys. In this code I’d like the words to be randomly generated just once and not over and over again, while still keeping it bouncing from left to right. I’m new at processing so help is much appreciated! float te…

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## [Create collision between the characters](https://discourse.processing.org/t/create-collision-between-the-characters/8791)

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**Author:** [@Rey](https://discourse.processing.org/u/Rey)\
**Replies:** 1\
**Last updated:** [March 1, 2019, 6:41pm UTC](https://discourse.processing.org/t/create-collision-between-the-characters/8791 "2019-03-01T18:41:39Z")

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ex: Game and watch Hi I should create a collision between the characters, example, \* character \* touches the \* enemy \* and the enemy disappears. can you help me? Code here (http://fromsmash.com/9b1ee406-3b42-11e9-a045…

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## [Issue with Geomerative library](https://discourse.processing.org/t/issue-with-geomerative-library/8684)

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**Author:** [@lolonulu](https://discourse.processing.org/u/lolonulu)\
**Replies:** 3\
**Last updated:** [March 1, 2019, 5:25pm UTC](https://discourse.processing.org/t/issue-with-geomerative-library/8684 "2019-03-01T17:25:25Z")

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Hello, I face an issue I don’t mange to solve. I show a multilines text written with the Geomerative library, to each sentence corresponds a sound, when the stanza is written the program switch to the next one. My quest…

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## [Storing previous points when using a for-loop?](https://discourse.processing.org/t/storing-previous-points-when-using-a-for-loop/8829)

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**Author:** [@JsRambles](https://discourse.processing.org/u/JsRambles)\
**Replies:** 2\
**Last updated:** [March 1, 2019, 2:11pm UTC](https://discourse.processing.org/t/storing-previous-points-when-using-a-for-loop/8829 "2019-03-01T14:11:41Z")

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Hello, I am trying to make a 9 sided polygon using points and than connecting the points with lines. Reading other forums I know there is a way to do this using the vertex() commands and using arrays however this is fo…

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## [Help making a diagonal ellipse](https://discourse.processing.org/t/help-making-a-diagonal-ellipse/8827)

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**Author:** [@Velouria](https://discourse.processing.org/u/Velouria)\
**Replies:** 1\
**Last updated:** [March 1, 2019, 4:53am UTC](https://discourse.processing.org/t/help-making-a-diagonal-ellipse/8827 "2019-03-01T04:53:36Z")

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Hi everyone! So i´ve been trying to make an ellipse that crosses the screen diagonally but even with the different types of ellipseMode i can only do them cross the screen either horizontally or vertically. Any suggesti…

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## [Problem with AI for 2D games libr](https://discourse.processing.org/t/problem-with-ai-for-2d-games-libr/2068)

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**Author:** [@Tymek](https://discourse.processing.org/u/Tymek)\
**Replies:** 1\
**Last updated:** [February 28, 2019, 11:00pm UTC](https://discourse.processing.org/t/problem-with-ai-for-2d-games-libr/2068 "2019-02-28T23:00:21Z")

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Hello, im trying to make bot for simple pong game. I have problem with reseting bots position after scoring point. Any suggestions? //main func. import game2dai.\*; import game2dai.entities.\*; import game2dai.entityshap…

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## [Adding wind to bouncing ball example](https://discourse.processing.org/t/adding-wind-to-bouncing-ball-example/8748)

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**Author:** [@pieceofcrazy](https://discourse.processing.org/u/pieceofcrazy)\
**Replies:** 1\
**Last updated:** [February 28, 2019, 7:07pm UTC](https://discourse.processing.org/t/adding-wind-to-bouncing-ball-example/8748 "2019-02-28T19:07:00Z")

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I’m pretty new to coding and while playing around with the BouncingBall example I tried to add some air pushing the ball up if the mouse button in pressed, but it looks really goofy because the ball just goes up in a str…

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## [Sending images/JSON data over OSC w. oscP5?](https://discourse.processing.org/t/sending-images-json-data-over-osc-w-oscp5/8734)

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**Author:** [@AndreasRef](https://discourse.processing.org/u/AndreasRef)\
**Replies:** 2\
**Last updated:** [February 28, 2019, 5:54pm UTC](https://discourse.processing.org/t/sending-images-json-data-over-osc-w-oscp5/8734 "2019-02-28T17:54:30Z")

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Hi Perhaps a bit of a weird question, but are there any tutorials on how to send images and/or data in JSON-format over OSC using the oscP5 library? Or anyone here who has experience doing that kind of thing?

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## [Corrupted .pde?](https://discourse.processing.org/t/corrupted-pde/8789)

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**Author:** [@kigro](https://discourse.processing.org/u/kigro)\
**Replies:** 4\
**Last updated:** [February 28, 2019, 11:54am UTC](https://discourse.processing.org/t/corrupted-pde/8789 "2019-02-28T11:54:30Z")

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So after working on a project for 5 hours on my Ubuntu laptop, I get home and try to open it on my pc: Is the file simply corrupt? Any way of recovering it? EDIT: Someone suggested checking for temp files on a Window…

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## [Processing for arduino](https://discourse.processing.org/t/processing-for-arduino/8775)

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**Author:** [@help](https://discourse.processing.org/u/help)\
**Replies:** 1\
**Last updated:** [February 28, 2019, 1:47am UTC](https://discourse.processing.org/t/processing-for-arduino/8775 "2019-02-28T01:47:00Z")

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hi im fake joe ! i am trying to send f to my arduino and it fights me ! posting the arduino and the processing clip ! small clip of much larger program ! the arduino runs fine if i use the serial monitor ! i just typ…

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## [Minification question](https://discourse.processing.org/t/minification-question/8724)

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**Author:** [@Tsskyx](https://discourse.processing.org/u/Tsskyx)\
**Replies:** 6\
**Last updated:** [February 27, 2019, 8:02pm UTC](https://discourse.processing.org/t/minification-question/8724 "2019-02-27T20:02:05Z")

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The following code cycles the value of the variable NET within a range of 0 to 4. int NET; void setup() { println(NET); } void draw() { } void keyPressed() { if (keyCode == UP || keyCode == DOWN) NET = ((NET += keyC…

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## [How to scale text and distance proportionally to avoid overlap?](https://discourse.processing.org/t/how-to-scale-text-and-distance-proportionally-to-avoid-overlap/8763)

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**Author:** [@jacobo](https://discourse.processing.org/u/jacobo)\
**Replies:** 1\
**Last updated:** [February 27, 2019, 6:52pm UTC](https://discourse.processing.org/t/how-to-scale-text-and-distance-proportionally-to-avoid-overlap/8763 "2019-02-27T18:52:17Z")

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Hi! I want to be able to scale text size and spacing/leading proportionally to avoid overlaps of text. I’d like to be able to scale the text from it’s current size in 5 columns to a bigger text size in for example 3 colu…

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## [Problem with adding objects to ArrayList](https://discourse.processing.org/t/problem-with-adding-objects-to-arraylist/8764)

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**Author:** [@Tymek](https://discourse.processing.org/u/Tymek)\
**Replies:** 3\
**Last updated:** [February 27, 2019, 5:27pm UTC](https://discourse.processing.org/t/problem-with-adding-objects-to-arraylist/8764 "2019-02-27T17:27:48Z")

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Hello, I wonder how to add object to ArrayList, when some conditions have been fullfiled. For example, i want to add new cell only if my mouse coursor is over one of each cells. Code is here. Thanks in advance :slight\_s…

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## [Calling a function that returns array stops printArray](https://discourse.processing.org/t/calling-a-function-that-returns-array-stops-printarray/6108)

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**Author:** [@thenewkgb](https://discourse.processing.org/u/thenewkgb)\
**Replies:** 15\
**Last updated:** [February 27, 2019, 3:59pm UTC](https://discourse.processing.org/t/calling-a-function-that-returns-array-stops-printarray/6108 "2019-02-27T15:59:13Z")

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Try uncommenting grabline’s (r\[\]=details;) line. I haven’t been instructed where to place things really. Any help? int ws=6; int ls=6; int sx=0; int ex=findex(); int myline\[\]; void setup() { background(255); size(…

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## [I'd like to convert Processing code into C++ code](https://discourse.processing.org/t/id-like-to-convert-processing-code-into-c-code/8752)

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**Author:** [@AngelsApple](https://discourse.processing.org/u/AngelsApple)\
**Replies:** 5\
**Last updated:** [February 27, 2019, 11:07am UTC](https://discourse.processing.org/t/id-like-to-convert-processing-code-into-c-code/8752 "2019-02-27T11:07:34Z")

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Hi boys&girls, I want to Processing code into C++ code Since I studied Processing as a first coding language, It feels so confused when I try to study other coding languages. Language that I’m studying now is C++ langu…

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## [Where is "Enable code folding" in Processing IDE?](https://discourse.processing.org/t/where-is-enable-code-folding-in-processing-ide/8710)

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**Author:** [@miasoft](https://discourse.processing.org/u/miasoft)\
**Replies:** 5\
**Last updated:** [February 27, 2019, 4:26am UTC](https://discourse.processing.org/t/where-is-enable-code-folding-in-processing-ide/8710 "2019-02-27T04:26:29Z")

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In Arduino IDE code folding is availabel, but in Processing IDE isn’t. Why?

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## [PImages change to null in separate class](https://discourse.processing.org/t/pimages-change-to-null-in-separate-class/8403)

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**Author:** [@Kyle](https://discourse.processing.org/u/Kyle)\
**Replies:** 9\
**Last updated:** [February 27, 2019, 4:05am UTC](https://discourse.processing.org/t/pimages-change-to-null-in-separate-class/8403 "2019-02-27T04:05:49Z")

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I am using Processing core in Eclipse IDE, and I’m currently working on some code where I have many object classes inside of the main class. Recently I decided to move one of those classes (a class called bat) into a sep…

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## [Text() on Mac causes program to pause](https://discourse.processing.org/t/text-on-mac-causes-program-to-pause/8353)

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**Author:** [@sgolanka](https://discourse.processing.org/u/sgolanka)\
**Replies:** 3\
**Last updated:** [February 26, 2019, 6:36pm UTC](https://discourse.processing.org/t/text-on-mac-causes-program-to-pause/8353 "2019-02-26T18:36:00Z")

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This problem occurs on Apple computers, but not not on Windows. The code below comes from a simple game. When the condition is true, the program (on a Mac), stops for a few seconds, and then displays “You Lose.” When…

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## [Proper wraparound](https://discourse.processing.org/t/proper-wraparound/8702)

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**Author:** [@LordCacops](https://discourse.processing.org/u/LordCacops)\
**Replies:** 2\
**Last updated:** [February 26, 2019, 5:11pm UTC](https://discourse.processing.org/t/proper-wraparound/8702 "2019-02-26T17:11:26Z")

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Hey! I have these colored grids, 192 pixels wide, 120 pixels tall, and they move. I want them to wraparound the horizontal dimension so that when they start going out one side, right away they start popping out of the o…

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## [\[SOLVED\] Using minim getLineIn() to listen to the speaker output](https://discourse.processing.org/t/solved-using-minim-getlinein-to-listen-to-the-speaker-output/8723)

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**Author:** [@Xabdro](https://discourse.processing.org/u/Xabdro)\
**Replies:** 2\
**Last updated:** [February 26, 2019, 4:21pm UTC](https://discourse.processing.org/t/solved-using-minim-getlinein-to-listen-to-the-speaker-output/8723 "2019-02-26T16:21:31Z")

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I want to use minim to visualise the music playing on my computer from spotify. I have looked around online and the only way I have found to do this is to use stereo mix which my computer doesn’t support. I have found a …

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## [Draw this Polygon using loops?](https://discourse.processing.org/t/draw-this-polygon-using-loops/1588)

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**Author:** [@nerdboybi](https://discourse.processing.org/u/nerdboybi)\
**Replies:** 18\
**Last updated:** [February 26, 2019, 3:50pm UTC](https://discourse.processing.org/t/draw-this-polygon-using-loops/1588 "2019-02-26T15:50:35Z")

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Its from a textbook and I just need a solution so I can get an idea on how to use loops

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## [How to take frame not from all window](https://discourse.processing.org/t/how-to-take-frame-not-from-all-window/8683)

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**Author:** [@Grisha](https://discourse.processing.org/u/Grisha)\
**Replies:** 2\
**Last updated:** [February 26, 2019, 8:48am UTC](https://discourse.processing.org/t/how-to-take-frame-not-from-all-window/8683 "2019-02-26T08:48:45Z")

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How to take frame not from all window? I need to save only one part of my window .

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## [Animation for a quadrilateral polygon assistance](https://discourse.processing.org/t/animation-for-a-quadrilateral-polygon-assistance/8679)

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**Author:** [@NationalRex22](https://discourse.processing.org/u/NationalRex22)\
**Replies:** 3\
**Last updated:** [February 25, 2019, 11:18pm UTC](https://discourse.processing.org/t/animation-for-a-quadrilateral-polygon-assistance/8679 "2019-02-25T23:18:05Z")

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Hello, I’m interested in developing an animated loop for a quadrilateral polygon that slowly moves down vertically from its initial position to the exact position of a quadrilateral polygon of the same size. Finally, th…

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## [SimpleOpenNI - Kinect depth map size](https://discourse.processing.org/t/simpleopenni-kinect-depth-map-size/8722)

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**Author:** [@Jackieh111](https://discourse.processing.org/u/Jackieh111)\
**Replies:** 0\
**Last updated:** [February 25, 2019, 9:44pm UTC](https://discourse.processing.org/t/simpleopenni-kinect-depth-map-size/8722 "2019-02-25T21:44:04Z")

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I’m using a Kinect for Windows on OSx with SimpleOpenNI - can anyone tell me why the depthMap is giving me a size of 640x480 when I am expecting it to be 512x424 which is the resolution for Kinect2?

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## [How to mute minim filter](https://discourse.processing.org/t/how-to-mute-minim-filter/8610)

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**Author:** [@b\_and\_z](https://discourse.processing.org/u/b_and_z)\
**Replies:** 6\
**Last updated:** [February 25, 2019, 5:30pm UTC](https://discourse.processing.org/t/how-to-mute-minim-filter/8610 "2019-02-25T17:30:01Z")

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So I am building a synthesizer using the minim and oscP5 (controlling the synthesizer via touchOSC). Now I have this minim bandPass Filter set up, but I only want the filter to be active when a certain button is active (…

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## [Draw from text file not working as expected](https://discourse.processing.org/t/draw-from-text-file-not-working-as-expected/8498)

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**Author:** [@socraticbot](https://discourse.processing.org/u/socraticbot)\
**Replies:** 21\
**Last updated:** [February 25, 2019, 4:21pm UTC](https://discourse.processing.org/t/draw-from-text-file-not-working-as-expected/8498 "2019-02-25T16:21:52Z")

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Hi all, I have a script which finds all the black pixels in an image along a spiral path and saves it to a text file. float r = 0; float theta = 0; PImage input; String\[\] output; void setup() { size(300, 300); bac…

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## [keyPresssed not returning proper value](https://discourse.processing.org/t/keypresssed-not-returning-proper-value/8701)

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**Author:** [@dragonheart0001](https://discourse.processing.org/u/dragonheart0001)\
**Replies:** 11\
**Last updated:** [February 25, 2019, 5:24am UTC](https://discourse.processing.org/t/keypresssed-not-returning-proper-value/8701 "2019-02-25T05:24:05Z")

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I am trying to create a basic input interface for project I am working on and am running into a bug where the keyPressed variable always returns false. Here’s the basic idea of the code. void setup() { int startTime =…

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## [Extending Kinect v2.0 cable](https://discourse.processing.org/t/extending-kinect-v2-0-cable/8649)

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**Author:** [@Fausto](https://discourse.processing.org/u/Fausto)\
**Replies:** 2\
**Last updated:** [February 25, 2019, 4:49am UTC](https://discourse.processing.org/t/extending-kinect-v2-0-cable/8649 "2019-02-25T04:49:06Z")

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Hi Processing community, for an installation I am working on at the moment, I need to have one Kinect v2.0 about 10m away from my computer. Ideally I would like to have the Kinect at 20m, but 10m away could potentially…

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## [New Mac, Unable to Use Sound Library!](https://discourse.processing.org/t/new-mac-unable-to-use-sound-library/8695)

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**Author:** [@storchzr](https://discourse.processing.org/u/storchzr)\
**Replies:** 1\
**Last updated:** [February 25, 2019, 12:50am UTC](https://discourse.processing.org/t/new-mac-unable-to-use-sound-library/8695 "2019-02-25T00:50:02Z")

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Can anyone help me with this? I have a piece of code that uses input from the mic to create graphics. It worked on my old computer but won’t work on the new mac with touchbar for some reason. // Example 20-5: Live Input…

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