# Latest

**URL:** https://discourse.processing.org/latest.md?page=621

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

**Page:** 622

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## [Creating a HSV-Color Cylinder with WEBGL and p5js](https://discourse.processing.org/t/creating-a-hsv-color-cylinder-with-webgl-and-p5js/376)

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**Author:** [@johmarjac](https://discourse.processing.org/u/johmarjac)\
**Replies:** 6\
**Last updated:** [May 25, 2018, 10:02pm UTC](https://discourse.processing.org/t/creating-a-hsv-color-cylinder-with-webgl-and-p5js/376 "2018-05-25T22:02:05Z")

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Hi, I found following site on internet: https://programmingdesignsystems.com/color/color-models-and-color-spaces/index.html If you scroll down a little you can see a cylinder where you have 3 sliders and can select the…

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## [Date form a csv file](https://discourse.processing.org/t/date-form-a-csv-file/380)

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**Author:** [@dereklop](https://discourse.processing.org/u/dereklop)\
**Replies:** 9\
**Last updated:** [May 25, 2018, 8:27pm UTC](https://discourse.processing.org/t/date-form-a-csv-file/380 "2018-05-25T20:27:42Z")

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hey im trying to get the date and separate values by it form a csv file i got. Im trying this but im not sure why its now working. here is a preview of my csv file Imgur: The magic of the Internet Cross-posted: Reddit …

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## [Enabling Colored Text](https://discourse.processing.org/t/enabling-colored-text/343)

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**Author:** [@GoToLoop](https://discourse.processing.org/u/GoToLoop)\
**Replies:** 5\
**Last updated:** [May 25, 2018, 8:25pm UTC](https://discourse.processing.org/t/enabling-colored-text/343 "2018-05-25T20:25:41Z")

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## [How about a .apk option?](https://discourse.processing.org/t/how-about-a-apk-option/356)

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**Author:** [@gpteacher](https://discourse.processing.org/u/gpteacher)\
**Replies:** 3\
**Last updated:** [May 25, 2018, 8:23pm UTC](https://discourse.processing.org/t/how-about-a-apk-option/356 "2018-05-25T20:23:08Z")

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First, compliments to the foundation for adding Android! I’m a high school teacher and I’d love to give my students the option of creating Android apps. But it is cumbersome for many high school students to have to mod…

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## [Loops that draws gradient circles across and down the screen](https://discourse.processing.org/t/loops-that-draws-gradient-circles-across-and-down-the-screen/378)

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**Author:** [@\_majok1](https://discourse.processing.org/u/_majok1)\
**Replies:** 2\
**Last updated:** [May 25, 2018, 8:16pm UTC](https://discourse.processing.org/t/loops-that-draws-gradient-circles-across-and-down-the-screen/378 "2018-05-25T20:16:35Z")

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Hello, I just started using processing a couple of days ago and started experimenting with loops. I’ve created some coding that would draw a circle within a circle and successively get small. I want to create a loop tha…

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## [Letting users know that deleting posts is not nice to others](https://discourse.processing.org/t/letting-users-know-that-deleting-posts-is-not-nice-to-others/344)

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**Author:** [@hamoid](https://discourse.processing.org/u/hamoid)\
**Replies:** 2\
**Last updated:** [May 25, 2018, 8:13pm UTC](https://discourse.processing.org/t/letting-users-know-that-deleting-posts-is-not-nice-to-others/344 "2018-05-25T20:13:11Z")

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While we are at it, what do you think of a plugin that detects when people are replacing a whole question with a sentence saying “please delete this question” when there are already answers (basically a large reduction i…

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## [NullPointerExeption with loading images](https://discourse.processing.org/t/nullpointerexeption-with-loading-images/360)

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**Author:** [@squatting\_potato](https://discourse.processing.org/u/squatting_potato)\
**Replies:** 2\
**Last updated:** [May 25, 2018, 6:07pm UTC](https://discourse.processing.org/t/nullpointerexeption-with-loading-images/360 "2018-05-25T18:07:40Z")

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Hi, i need to load 4 images and draw them in a window, but i get this error. here’s my code PImage image; PImage image1; PImage image2; PImage image3; String path =""; void setup() { size(360, 240); text("click win…

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## [Initial load & opening app](https://discourse.processing.org/t/initial-load-opening-app/366)

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**Author:** [@processing2106](https://discourse.processing.org/u/processing2106)\
**Replies:** 1\
**Last updated:** [May 25, 2018, 5:57pm UTC](https://discourse.processing.org/t/initial-load-opening-app/366 "2018-05-25T17:57:37Z")

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After I load the software and I go to open it, the first screen appears but then disappears. I can’t figure out what I’ve done wrong. Anyone help?

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## [Play a video & a midi somehow in sync](https://discourse.processing.org/t/play-a-video-a-midi-somehow-in-sync/223)

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**Author:** [@e.oelberg](https://discourse.processing.org/u/e.oelberg)\
**Replies:** 29\
**Last updated:** [May 25, 2018, 12:15pm UTC](https://discourse.processing.org/t/play-a-video-a-midi-somehow-in-sync/223 "2018-05-25T12:15:29Z")

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Hi all I have a nice beginners question: I use a patch to play video over a led panel I built. For an installation I’d like to play a video and a midi file in the patch. both have to run somehow in sync. With somehow I …

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## [Plane not being lit in scene](https://discourse.processing.org/t/plane-not-being-lit-in-scene/310)

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**Author:** [@DirtySocrates](https://discourse.processing.org/u/DirtySocrates)\
**Replies:** 3\
**Last updated:** [May 25, 2018, 3:26am UTC](https://discourse.processing.org/t/plane-not-being-lit-in-scene/310 "2018-05-25T03:26:26Z")

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Hello, When I run the code below the plane generated is not being illuminated by any light source in the scene. Can someone take a look? I am not sure why it is not getting lit by the pointLight like the rotating boxes …

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## [Key out color from video](https://discourse.processing.org/t/key-out-color-from-video/324)

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**Author:** [@dazadas\_k](https://discourse.processing.org/u/dazadas_k)\
**Replies:** 2\
**Last updated:** [May 25, 2018, 3:15am UTC](https://discourse.processing.org/t/key-out-color-from-video/324 "2018-05-25T03:15:30Z")

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Hey guys! I was wondering - Is it possible to key out green screen from video and replace it with a picture? :roll\_eyes: In a result I imagined that the video is still playing, but all the green space is filled with …

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## [Problems calculating an average angle](https://discourse.processing.org/t/problems-calculating-an-average-angle/345)

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**Author:** [@clankill3r](https://discourse.processing.org/u/clankill3r)\
**Replies:** 1\
**Last updated:** [May 25, 2018, 2:52am UTC](https://discourse.processing.org/t/problems-calculating-an-average-angle/345 "2018-05-25T02:52:26Z")

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I try to calculate an average angle, but it flips on the left side. (And if I allow negative angles then it flips on the right side). (It’s about the purple line) \[37\] How can I correctly create the average angle? f…

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## [Welcome Tool Survey](https://discourse.processing.org/t/welcome-tool-survey/317)

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**Author:** [@jae\_notjane](https://discourse.processing.org/u/jae_notjane)\
**Replies:** 2\
**Last updated:** [May 25, 2018, 2:14am UTC](https://discourse.processing.org/t/welcome-tool-survey/317 "2018-05-25T02:14:43Z")

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Hi everyone - My name is Jae and I’m one of the GSoC participants this year working on improving the beginner/new user experience for the PDE. I am currently working on a Welcome Tool part of my project and would love …

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## [Agents coding work but need add on two variable data](https://discourse.processing.org/t/agents-coding-work-but-need-add-on-two-variable-data/234)

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**Author:** [@shan](https://discourse.processing.org/u/shan)\
**Replies:** 28\
**Last updated:** [May 25, 2018, 2:11am UTC](https://discourse.processing.org/t/agents-coding-work-but-need-add-on-two-variable-data/234 "2018-05-25T02:11:50Z")

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\[image\] i need on this coding to add two variable data which i have in csv file format. please help me.

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## [Strange results when exporting](https://discourse.processing.org/t/strange-results-when-exporting/288)

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**Author:** [@akenaton](https://discourse.processing.org/u/akenaton)\
**Replies:** 16\
**Last updated:** [May 24, 2018, 5:56pm UTC](https://discourse.processing.org/t/strange-results-when-exporting/288 "2018-05-24T17:56:47Z")

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I have a sketch which runs very well in the IDE; when exporting it runs also but changing its appearance: i mean that i get 3 or four times the images, as cloned from a point of the screen to another one; after some time…

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## [Serial coms to Arduino SLOOOW](https://discourse.processing.org/t/serial-coms-to-arduino-slooow/174)

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**Author:** [@alan856](https://discourse.processing.org/u/alan856)\
**Replies:** 6\
**Last updated:** [May 24, 2018, 2:55pm UTC](https://discourse.processing.org/t/serial-coms-to-arduino-slooow/174 "2018-05-24T14:55:04Z")

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I have a Processing program emulating a radar screen. Bogies are generated and slowly move toward the center - the ship. An operator moves a joystick cursor to one of the bogies, clicks the button, and the target is de…

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## [Forum: onebox and previous forum](https://discourse.processing.org/t/forum-onebox-and-previous-forum/331)

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**Author:** [@jeremydouglass](https://discourse.processing.org/u/jeremydouglass)\
**Replies:** 1\
**Last updated:** [May 24, 2018, 4:05am UTC](https://discourse.processing.org/t/forum-onebox-and-previous-forum/331 "2018-05-24T04:05:02Z")

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Discourse automatically converts recognized urls to onebox post inserts. Right now a common thing we might expect is linking to posts on the old forum. However, currently the every linked forum post returns a generic on…

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## [Pan Tompkins algorithm](https://discourse.processing.org/t/pan-tompkins-algorithm/295)

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**Author:** [@netphysicist](https://discourse.processing.org/u/netphysicist)\
**Replies:** 1\
**Last updated:** [May 24, 2018, 1:36am UTC](https://discourse.processing.org/t/pan-tompkins-algorithm/295 "2018-05-24T01:36:54Z")

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Hello, i am working on a project in processing IDE. Does anyone know a template or an example about Pan Tompkins algorithm???

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## [Using the PMatrix3D class in Android Studio](https://discourse.processing.org/t/using-the-pmatrix3d-class-in-android-studio/248)

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**Author:** [@yassin](https://discourse.processing.org/u/yassin)\
**Replies:** 2\
**Last updated:** [May 23, 2018, 9:55pm UTC](https://discourse.processing.org/t/using-the-pmatrix3d-class-in-android-studio/248 "2018-05-23T21:55:47Z")

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I’m developing a game for Android, it’s a 3D platform where you move a ball depending on the position of the phone. Everything is set up for the development, I have the processing core jar dependency included, it’s not t…

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## ["main" as name of method causes "Target VM failed to initialize" error](https://discourse.processing.org/t/main-as-name-of-method-causes-target-vm-failed-to-initialize-error/300)

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**Author:** [@AFNordal](https://discourse.processing.org/u/AFNordal)\
**Replies:** 3\
**Last updated:** [May 23, 2018, 8:01pm UTC](https://discourse.processing.org/t/main-as-name-of-method-causes-target-vm-failed-to-initialize-error/300 "2018-05-23T20:01:37Z")

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I discovered a problem when I used the name main for a class method; it made the sketch not run and gave me this error: Usage: PApplet \[options\] \<class name\> \[sketch args\] See the Javadoc for PApplet for an explanation.…

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## [Heptagon drawing angle](https://discourse.processing.org/t/heptagon-drawing-angle/285)

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**Author:** [@jclacko](https://discourse.processing.org/u/jclacko)\
**Replies:** 3\
**Last updated:** [May 23, 2018, 5:27pm UTC](https://discourse.processing.org/t/heptagon-drawing-angle/285 "2018-05-23T17:27:04Z")

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Hey guys and girls. Could someone please help me with a project I am trying to complete. A really nice person over in the Reddit forums helped me get this far but I am stuck at the moment. I have an assignment for my B…

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## [Add processing to web](https://discourse.processing.org/t/add-processing-to-web/291)

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**Author:** [@SlumzGG](https://discourse.processing.org/u/SlumzGG)\
**Replies:** 0\
**Last updated:** [May 23, 2018, 1:47pm UTC](https://discourse.processing.org/t/add-processing-to-web/291 "2018-05-23T13:47:39Z")

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How to add processing programm to a website ?

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## [Sound - issue with reverb and delay](https://discourse.processing.org/t/sound-issue-with-reverb-and-delay/290)

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**Author:** [@kmll](https://discourse.processing.org/u/kmll)\
**Replies:** 1\
**Last updated:** [May 23, 2018, 4:13pm UTC](https://discourse.processing.org/t/sound-issue-with-reverb-and-delay/290 "2018-05-23T16:13:06Z")

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I have some issues adding effects for a sound playback. When I run the code below without line 12 then the music plays fine. But if I add line 12 then the signal turn into mono and there is no reverb effect. The same hap…

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## [Displaying code on website](https://discourse.processing.org/t/displaying-code-on-website/208)

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**Author:** [@norman521](https://discourse.processing.org/u/norman521)\
**Replies:** 5\
**Last updated:** [May 23, 2018, 4:20pm UTC](https://discourse.processing.org/t/displaying-code-on-website/208 "2018-05-23T16:20:22Z")

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Hi, Newbie question… Once you have some code you are happy with is it possible to add it to an HTML page? One site I use is coded in HTML and PHP?

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## [Draw() is lagging and not following frameRate](https://discourse.processing.org/t/draw-is-lagging-and-not-following-framerate/283)

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**Author:** [@Enkrypton](https://discourse.processing.org/u/Enkrypton)\
**Replies:** 3\
**Last updated:** [May 23, 2018, 6:12am UTC](https://discourse.processing.org/t/draw-is-lagging-and-not-following-framerate/283 "2018-05-23T06:12:59Z")

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I’m making an application using Processing-2. This means using the draw() method to generate GUI. However something messes with the frameRate of the program making it feel way slower and very laggy/choppy. I know my fram…

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## [OrbitCam and RawMouse](https://discourse.processing.org/t/orbitcam-and-rawmouse/147)

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**Author:** [@rbrauer](https://discourse.processing.org/u/rbrauer)\
**Replies:** 3\
**Last updated:** [May 23, 2018, 1:06am UTC](https://discourse.processing.org/t/orbitcam-and-rawmouse/147 "2018-05-23T01:06:43Z")

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Hi new Processing forum. Here is an example of how to do raw mouse and a trackball type camera using matrices instead of using libraries / quaternions. p5js version - https://www.openprocessing.org/sketch/550998 proces…

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## [Loop arrayList Crossyroad](https://discourse.processing.org/t/loop-arraylist-crossyroad/258)

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**Author:** [@BP3d](https://discourse.processing.org/u/BP3d)\
**Replies:** 3\
**Last updated:** [May 22, 2018, 8:50pm UTC](https://discourse.processing.org/t/loop-arraylist-crossyroad/258 "2018-05-22T20:50:15Z")

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hi everyone im trying to loop the cars and train but cant figure out how to. ArrayList \<Car\> carsListTop; ArrayList \<Car\> carsListBelow; ArrayList \<TreeTrunk\> TrunkList; ArrayList \<Train\> TrainList; TreeTrunk \[\] ArrayT…

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## [Need Help for Game Over / Timer](https://discourse.processing.org/t/need-help-for-game-over-timer/246)

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**Author:** [@SlumzGG](https://discourse.processing.org/u/SlumzGG)\
**Replies:** 8\
**Last updated:** [May 22, 2018, 9:03am UTC](https://discourse.processing.org/t/need-help-for-game-over-timer/246 "2018-05-22T09:03:12Z")

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Hello, i’m really new to Processing, i need to make a game over when the balls touch the top or the bottom edge of the screen, another thing to stop the timer when it’s a game over. My code is really bad ( sorry, it’s …

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## [using javascript in html](https://discourse.processing.org/t/using-javascript-in-html/211)

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**Author:** [@ctrembla](https://discourse.processing.org/u/ctrembla)\
**Replies:** 6\
**Last updated:** [May 22, 2018, 2:18am UTC](https://discourse.processing.org/t/using-javascript-in-html/211 "2018-05-22T02:18:47Z")

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So I started using javascript and html to make website and thought it be fun to convert my java games to javascript and place them on my website. I wrote code trying to see my javascript game from the html webpage, but i…

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## [Forum: allow posting images for new users?](https://discourse.processing.org/t/forum-allow-posting-images-for-new-users/224)

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**Author:** [@jeremydouglass](https://discourse.processing.org/u/jeremydouglass)\
**Replies:** 2\
**Last updated:** [May 22, 2018, 7:44am UTC](https://discourse.processing.org/t/forum-allow-posting-images-for-new-users/224 "2018-05-22T07:44:46Z")

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Some forum users say that they cannot post images. It’s a shame I can’t post these nice animated gifs I made to showcase the games in this GALLERY Game Jam entries Assuming this is an actual current limitation (and n…

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