# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?no_subcategories=false&page=265

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

**Page:** 266

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## [Building a Processing release pipeline for MacOS](https://discourse.processing.org/t/building-a-processing-release-pipeline-for-macos/14720)

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**Author:** [@eri0o](https://discourse.processing.org/u/eri0o)\
**Replies:** 1\
**Last updated:** [October 19, 2019, 4:25pm UTC](https://discourse.processing.org/t/building-a-processing-release-pipeline-for-macos/14720 "2019-10-19T16:25:49Z")

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Hello Open Source developers for the amazing Processing software. With the introduction of the Notarization process for releasing MacOS apps, How are you guys doing for signing? Are you using an organization managed acc…

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## [Transparency, click through, and fetching window sizes, positioning, and names](https://discourse.processing.org/t/transparency-click-through-and-fetching-window-sizes-positioning-and-names/14695)

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**Author:** [@F53](https://discourse.processing.org/u/F53)\
**Replies:** 1\
**Last updated:** [October 19, 2019, 3:56pm UTC](https://discourse.processing.org/t/transparency-click-through-and-fetching-window-sizes-positioning-and-names/14695 "2019-10-19T15:56:11Z")

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Here is what I am wondering processing can do: a sketch with a fully transparent background that shows apps behind it a link in size and position to a certain window kinda being attached to it maybe even having a pre-…

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## [Regex in find or find and replace](https://discourse.processing.org/t/regex-in-find-or-find-and-replace/14277)

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**Author:** [@biran4454](https://discourse.processing.org/u/biran4454)\
**Replies:** 6\
**Last updated:** [October 19, 2019, 2:14pm UTC](https://discourse.processing.org/t/regex-in-find-or-find-and-replace/14277 "2019-10-19T14:14:33Z")

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Hi there! I just was using your brilliant piece of software, and thought it would be amazing to be able to use regular expressions in find or find and replace. How feasible is this? Thanks!! Biran4454

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## [Export SVG problems](https://discourse.processing.org/t/export-svg-problems/14796)

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**Author:** [@Malvan](https://discourse.processing.org/u/Malvan)\
**Replies:** 1\
**Last updated:** [October 19, 2019, 11:44am UTC](https://discourse.processing.org/t/export-svg-problems/14796 "2019-10-19T11:44:53Z")

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Hello there! I’m trying to export a frame from an animation from processing with .svg format, because i need that frame in a vector graphic format (because i’d like to print it), but so far i couldnt do it. Every time i …

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## [Processing won’t launch on my Mac anymore](https://discourse.processing.org/t/processing-won-t-launch-on-my-mac-anymore/14650)

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**Author:** [@Bewegendbeeld](https://discourse.processing.org/u/Bewegendbeeld)\
**Replies:** 1\
**Last updated:** [October 19, 2019, 5:50am UTC](https://discourse.processing.org/t/processing-won-t-launch-on-my-mac-anymore/14650 "2019-10-19T05:50:15Z")

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Yesterday I was opening a sketch when Processing crashed. Since then, when I open Processing I see the Processing logo for half a second, and then it disappears and Processing quits. I removed processing from the Progr…

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## [Adding the Spout code to my sketch (audio input visualizer)](https://discourse.processing.org/t/adding-the-spout-code-to-my-sketch-audio-input-visualizer/14531)

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**Author:** [@addybart](https://discourse.processing.org/u/addybart)\
**Replies:** 1\
**Last updated:** [October 19, 2019, 3:42am UTC](https://discourse.processing.org/t/adding-the-spout-code-to-my-sketch-audio-input-visualizer/14531 "2019-10-19T03:42:03Z")

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Hello there. I’m new to Processing and struggling to add the Spout code to my sketch (an audio input visualizer) to get it to show up in Resolume 6. I can get the Spout demo to work in Resolume but it’s pure guesswork a…

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## [End of file, the last end is giving me an error](https://discourse.processing.org/t/end-of-file-the-last-end-is-giving-me-an-error/14789)

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**Author:** [@aprilsfooled](https://discourse.processing.org/u/aprilsfooled)\
**Replies:** 1\
**Last updated:** [October 19, 2019, 1:29am UTC](https://discourse.processing.org/t/end-of-file-the-last-end-is-giving-me-an-error/14789 "2019-10-19T01:29:55Z")

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game.Players.PlayerAdded:Connect(function(player) tab\[player.Name\] = true end) local db = true local tab = {} script.Parent.Touched:Connect(function(hit) end) if hit.parent:FindFirstChild("Humanoid") ~= nil the…

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## [Twitter activating machines](https://discourse.processing.org/t/twitter-activating-machines/14783)

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**Author:** [@GraceOD](https://discourse.processing.org/u/GraceOD)\
**Replies:** 2\
**Last updated:** [October 18, 2019, 11:59pm UTC](https://discourse.processing.org/t/twitter-activating-machines/14783 "2019-10-18T23:59:50Z")

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Hi guys, Just want to ask a question and see if people have experience in this area, or if this idea is even possible. I want to make a machine that is fuelled by tweets or instagram shares and the machine will aid the…

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## [I can't find the error in my code?](https://discourse.processing.org/t/i-cant-find-the-error-in-my-code/14771)

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**Author:** [@someguy](https://discourse.processing.org/u/someguy)\
**Replies:** 9\
**Last updated:** [October 18, 2019, 3:20pm UTC](https://discourse.processing.org/t/i-cant-find-the-error-in-my-code/14771 "2019-10-18T15:20:44Z")

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I’m very new to this and I feel stupid but I can’t for the love of me find what the mistake is in this code also I’m not sure how to quote it correctly so sorry! i get “missing ) after argument list” Int aichoice; boo…

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## [Matching (memory) Game](https://discourse.processing.org/t/matching-memory-game/14755)

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**Author:** [@player](https://discourse.processing.org/u/player)\
**Replies:** 11\
**Last updated:** [October 18, 2019, 12:21pm UTC](https://discourse.processing.org/t/matching-memory-game/14755 "2019-10-18T12:21:06Z")

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Has anyone ever programmed two players Memory game in Processing in simple code and wants to share their code? How do you turn player1 or player2? How do you build screen switching? (start screen to score screen or end…

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## [Calling a function for making a string lowercase without predefined function](https://discourse.processing.org/t/calling-a-function-for-making-a-string-lowercase-without-predefined-function/14775)

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**Author:** [@marcusshin](https://discourse.processing.org/u/marcusshin)\
**Replies:** 3\
**Last updated:** [October 18, 2019, 11:51am UTC](https://discourse.processing.org/t/calling-a-function-for-making-a-string-lowercase-without-predefined-function/14775 "2019-10-18T11:51:31Z")

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Hello! I am currently stuck in a programming practice question where I am required to call a function for converting all uppercase strings into lowercase without using the toLowercase() predefined function. If you could …

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## [Imported .dae file not showing properly](https://discourse.processing.org/t/imported-dae-file-not-showing-properly/14714)

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**Author:** [@agp](https://discourse.processing.org/u/agp)\
**Replies:** 9\
**Last updated:** [October 18, 2019, 9:14am UTC](https://discourse.processing.org/t/imported-dae-file-not-showing-properly/14714 "2019-10-18T09:14:42Z")

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What I am trying to do is export from Blender a .dae file of an animated object and then import this file on processing and use it there. I created a rotating cube, baked action and exported it as .dae file. the problem …

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## [Processing isn't running (java.lang.NullPointerExcpetion)](https://discourse.processing.org/t/processing-isnt-running-java-lang-nullpointerexcpetion/14773)

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**Author:** [@zayeh](https://discourse.processing.org/u/zayeh)\
**Replies:** 2\
**Last updated:** [October 18, 2019, 2:18am UTC](https://discourse.processing.org/t/processing-isnt-running-java-lang-nullpointerexcpetion/14773 "2019-10-18T02:18:38Z")

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heyo y’all. As of recent i’ve gotten this issue where processing 3 (64 bit) will fail to launch after i open it. I’ll include an image of the message uhhhh please bear with me because i’m not good at fixing computer is…

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## [Generative Art and Transitioning Between Images](https://discourse.processing.org/t/generative-art-and-transitioning-between-images/14769)

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**Author:** [@e-sosa](https://discourse.processing.org/u/e-sosa)\
**Replies:** 4\
**Last updated:** [October 17, 2019, 11:28pm UTC](https://discourse.processing.org/t/generative-art-and-transitioning-between-images/14769 "2019-10-17T23:28:52Z")

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Hey everyone! My code below is functional when applied to one image for this self contained particle system. I am wondering how I can transition to different images similarly to this youtube video: https://www.youtube.co…

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## [Trying rotation angle easing, trouble crossing 0](https://discourse.processing.org/t/trying-rotation-angle-easing-trouble-crossing-0/14735)

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**Author:** [@ddownn](https://discourse.processing.org/u/ddownn)\
**Replies:** 4\
**Last updated:** [October 17, 2019, 11:43pm UTC](https://discourse.processing.org/t/trying-rotation-angle-easing-trouble-crossing-0/14735 "2019-10-17T23:43:40Z")

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I am trying to make a draggable clock hand that follows the mouse drag with easing. When dragging CW, after the drag crosses 0, the hand goes CCW to find the mouse, when dragging CCW, the hand will not cross 0. I have t…

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## [Populate area with circles based on image no overlap](https://discourse.processing.org/t/populate-area-with-circles-based-on-image-no-overlap/14766)

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**Author:** [@TimoL](https://discourse.processing.org/u/TimoL)\
**Replies:** 5\
**Last updated:** [October 17, 2019, 9:21pm UTC](https://discourse.processing.org/t/populate-area-with-circles-based-on-image-no-overlap/14766 "2019-10-17T21:21:38Z")

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I’m sure I saw someone with the same question on here not too long ago, but I can’t find it for the life of me. I guess what Im trying to achieve is circle packing but with a more efficient way of filling the space rath…

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## [Creating SVG only saves a single frame](https://discourse.processing.org/t/creating-svg-only-saves-a-single-frame/14509)

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**Author:** [@Marinus](https://discourse.processing.org/u/Marinus)\
**Replies:** 6\
**Last updated:** [October 17, 2019, 8:59pm UTC](https://discourse.processing.org/t/creating-svg-only-saves-a-single-frame/14509 "2019-10-17T20:59:06Z")

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Okay, so I have done the Coding Challenge #93 by Daniel Shiffman yesterday. It is a model to draw a line created by a double pendulum swing. Now I want to plot the result with my DIY pen plotter but I can’t for the life…

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## [Random ellipses fading in](https://discourse.processing.org/t/random-ellipses-fading-in/14748)

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**Author:** [@mellebond](https://discourse.processing.org/u/mellebond)\
**Replies:** 3\
**Last updated:** [October 17, 2019, 1:06pm UTC](https://discourse.processing.org/t/random-ellipses-fading-in/14748 "2019-10-17T13:06:46Z")

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Hi! I’m having troubel combining two codes. I’d like to have ellipses fade in and then dissappear again. Thanks in advance! Code 1; (does the job OK but fades out. void setup() { size(1920,1080); //size(3840,2160…

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## [My text has become myopic](https://discourse.processing.org/t/my-text-has-become-myopic/14736)

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**Author:** [@Waboqueox](https://discourse.processing.org/u/Waboqueox)\
**Replies:** 11\
**Last updated:** [October 17, 2019, 8:06am UTC](https://discourse.processing.org/t/my-text-has-become-myopic/14736 "2019-10-17T08:06:42Z")

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\[This is an Android Studio / P3D question\] Hi people :wave: ; I wanted to add a “night mode” to my app, so I made a pair of variables :sunglasses: : int black = 0, white = 255; And changed all my strokes, fill, bac…

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## [Wanting to change the saturation of an image depending on location](https://discourse.processing.org/t/wanting-to-change-the-saturation-of-an-image-depending-on-location/14629)

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**Author:** [@DatSoi](https://discourse.processing.org/u/DatSoi)\
**Replies:** 1\
**Last updated:** [October 16, 2019, 10:55pm UTC](https://discourse.processing.org/t/wanting-to-change-the-saturation-of-an-image-depending-on-location/14629 "2019-10-16T22:55:10Z")

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Hi, so im looking to change the saturation of the “coral” im my code. I have the image connected to open CV so it tracks your face. Im wanting to have the colour of the coral be in greyscale when the tracking image is in…

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## [Making of: Snake eating fruit](https://discourse.processing.org/t/making-of-snake-eating-fruit/14744)

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**Author:** [@ImDaGr3en](https://discourse.processing.org/u/ImDaGr3en)\
**Replies:** 1\
**Last updated:** [October 16, 2019, 10:03pm UTC](https://discourse.processing.org/t/making-of-snake-eating-fruit/14744 "2019-10-16T22:03:25Z")

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Hi everyone, I’m about to finish my Snake mini-game, everything works properly and I cane even say I added some cool features that make the game much better than the classic version! Anyways, I tried to make the Snake o…

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## [Draw black and white diamonds](https://discourse.processing.org/t/draw-black-and-white-diamonds/4528)

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**Author:** [@engg23369](https://discourse.processing.org/u/engg23369)\
**Replies:** 14\
**Last updated:** [October 16, 2019, 3:30pm UTC](https://discourse.processing.org/t/draw-black-and-white-diamonds/4528 "2019-10-16T15:30:25Z")

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“In this section you should write a Processing program that creates a display window of 500 by 500 pixels, then uses a proper control structure to create a collection of many small black and white diamonds with the ind…

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## [Processing-java 3.5.3 won't launch on Mac OS X 10.15](https://discourse.processing.org/t/processing-java-3-5-3-wont-launch-on-mac-os-x-10-15/14612)

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**Author:** [@WOZARDLOZARD](https://discourse.processing.org/u/WOZARDLOZARD)\
**Replies:** 0\
**Last updated:** [October 11, 2019, 2:56pm UTC](https://discourse.processing.org/t/processing-java-3-5-3-wont-launch-on-mac-os-x-10-15/14612 "2019-10-11T14:56:04Z")

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EDIT: HAHAHA I don’t know what went wrong with my code but it turns out that the java launcher was working properly and I just messed up in my code somewhere. I was working on a sketch with Processing this morning and i…

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## [Minim: Play a random song out of an array](https://discourse.processing.org/t/minim-play-a-random-song-out-of-an-array/14683)

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**Author:** [@QueenBee](https://discourse.processing.org/u/QueenBee)\
**Replies:** 7\
**Last updated:** [October 16, 2019, 4:35am UTC](https://discourse.processing.org/t/minim-play-a-random-song-out-of-an-array/14683 "2019-10-16T04:35:34Z")

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Hey! I’m trying to make a sketch that plays a random sound out of a pre-loaded AudioPlayer array in certain for loop conditions. My problem is that for some reason ALL 3 items in the array play at once when I use – (in…

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## [How to specify output size](https://discourse.processing.org/t/how-to-specify-output-size/14711)

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**Author:** [@mikemcsharry](https://discourse.processing.org/u/mikemcsharry)\
**Replies:** 8\
**Last updated:** [October 15, 2019, 8:20pm UTC](https://discourse.processing.org/t/how-to-specify-output-size/14711 "2019-10-15T20:20:19Z")

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I’m probably staring at the obvious answer but can’t see it. Down below id the simple code I’ve put together that reads this simple list and then creates a folder based on the contents of the list, in the folder is anot…

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## [Transferring variables using network library](https://discourse.processing.org/t/transferring-variables-using-network-library/14705)

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**Author:** [@111foxman111](https://discourse.processing.org/u/111foxman111)\
**Replies:** 3\
**Last updated:** [October 15, 2019, 6:56pm UTC](https://discourse.processing.org/t/transferring-variables-using-network-library/14705 "2019-10-15T18:56:24Z")

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I am making a game in which there I need several variables to be transferred from the client to the server and vice-versa. This also involves variables located in a class. I have made the game work in on a single proje…

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## [Selecting & Moving 3D Primitives - urgent](https://discourse.processing.org/t/selecting-moving-3d-primitives-urgent/14702)

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**Author:** [@hmaz](https://discourse.processing.org/u/hmaz)\
**Replies:** 9\
**Last updated:** [October 15, 2019, 3:46pm UTC](https://discourse.processing.org/t/selecting-moving-3d-primitives-urgent/14702 "2019-10-15T15:46:27Z")

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Following on from my topic about selecting and moving 2D primitives, i am now looking for guidance as to how i can achieve this with 3D primitives. There are three items id like assistance with in this script: (A) - How…

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## [Making of: Snake with classes](https://discourse.processing.org/t/making-of-snake-with-classes/14716)

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**Author:** [@ImDaGr3en](https://discourse.processing.org/u/ImDaGr3en)\
**Replies:** 1\
**Last updated:** [October 15, 2019, 3:32pm UTC](https://discourse.processing.org/t/making-of-snake-with-classes/14716 "2019-10-15T15:32:32Z")

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Yeah, it’s me another time! I’m about in making a mimi-game based on the famous Snake, and it works using a lot of different things: I used a class called Snake to make a dynamic array of objects which represents the sn…

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## [Error unexpected token: void](https://discourse.processing.org/t/error-unexpected-token-void/14662)

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**Author:** [@MrRex](https://discourse.processing.org/u/MrRex)\
**Replies:** 7\
**Last updated:** [October 15, 2019, 7:31am UTC](https://discourse.processing.org/t/error-unexpected-token-void/14662 "2019-10-15T07:31:53Z")

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Hello, I’m trying to learn processing but I have an error with my code. Here is my code : void step() { float x; float y; float r = random(1); if (r \< 0.4) { x++; } else if (r \< 0.6) { x--; } else…

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## [Loading GIS shapefile in Processing](https://discourse.processing.org/t/loading-gis-shapefile-in-processing/13939)

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**Author:** [@antoinesaurat](https://discourse.processing.org/u/antoinesaurat)\
**Replies:** 3\
**Last updated:** [October 15, 2019, 2:37am UTC](https://discourse.processing.org/t/loading-gis-shapefile-in-processing/13939 "2019-10-15T02:37:48Z")

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Hello friendly people, I would like to ask you about the optimal process of loading, drawing and using data of complex vector data (points, lines or polygons) such as GIS shapefiles. I have searched a lot and this is wh…

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