# Latest

**URL:** https://discourse.processing.org/latest.md?page=443

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

**Page:** 444

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## [How to do a lowpass signal filtering in Processing?](https://discourse.processing.org/t/how-to-do-a-lowpass-signal-filtering-in-processing/14251)

<div class="topic-metadata">

**Author:** [@KGS](https://discourse.processing.org/u/KGS)\
**Replies:** 1\
**Last updated:** [September 28, 2019, 3:41am UTC](https://discourse.processing.org/t/how-to-do-a-lowpass-signal-filtering-in-processing/14251 "2019-09-28T03:41:36Z")

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I have data for pulse recording. Since it’s embedded with noise I need to filter the signal real TIme so I can visualize the pulse pattern. How can I do it with Processing software?

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## [Orbiting issues](https://discourse.processing.org/t/orbiting-issues/14244)

<div class="topic-metadata">

**Author:** [@Epic\_ModZz](https://discourse.processing.org/u/Epic_ModZz)\
**Replies:** 3\
**Last updated:** [September 27, 2019, 10:34pm UTC](https://discourse.processing.org/t/orbiting-issues/14244 "2019-09-27T22:34:39Z")

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I am trying to make a circle orbit the larger circle in this cord. My attempts have been failing. Please help ArrayList Balls; int mass; byte h; PFont font; int x = mass; void setup(){ size(640, 640); frameRate(60…

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## [Volume and motion](https://discourse.processing.org/t/volume-and-motion/14186)

<div class="topic-metadata">

**Author:** [@camilacaceresl](https://discourse.processing.org/u/camilacaceresl)\
**Replies:** 3\
**Last updated:** [September 27, 2019, 6:35pm UTC](https://discourse.processing.org/t/volume-and-motion/14186 "2019-09-27T18:35:33Z")

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I wrote a code where the amplitude of a audio input is mapped to the amplitude of a sin function. Right now is just controlling the position of ellipse on a screen but i want this motion to be applied to a drawing mach…

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## [Image Loading: Processing 2 vs 3](https://discourse.processing.org/t/image-loading-processing-2-vs-3/14194)

<div class="topic-metadata">

**Author:** [@mnoble](https://discourse.processing.org/u/mnoble)\
**Replies:** 8\
**Last updated:** [September 27, 2019, 5:07pm UTC](https://discourse.processing.org/t/image-loading-processing-2-vs-3/14194 "2019-09-27T17:07:02Z")

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Hello, My students are making interactive collages and importing a lot of .pngs. We noticed that Processing 3 is really laggy for simple image animations that run fine of Processing 2. Does anyone know why this is and h…

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## [sketchPath returns the wrong sketch path](https://discourse.processing.org/t/sketchpath-returns-the-wrong-sketch-path/14215)

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**Author:** [@leo.nerd](https://discourse.processing.org/u/leo.nerd)\
**Replies:** 3\
**Last updated:** [September 27, 2019, 10:38am UTC](https://discourse.processing.org/t/sketchpath-returns-the-wrong-sketch-path/14215 "2019-09-27T10:38:00Z")

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Hello. Windows user here. The sketchPath and dataPath methods seem to return the wrong sketch locations: String sketchpath = sketchPath(""); println(sketchpath); returns: C:\\Users\\\[my.username\]\\Documents\\Processing\\pr…

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## [How to save multiple arrays to one csv file?](https://discourse.processing.org/t/how-to-save-multiple-arrays-to-one-csv-file/14234)

<div class="topic-metadata">

**Author:** [@KGS](https://discourse.processing.org/u/KGS)\
**Replies:** 2\
**Last updated:** [September 27, 2019, 8:45am UTC](https://discourse.processing.org/t/how-to-save-multiple-arrays-to-one-csv-file/14234 "2019-09-27T08:45:57Z")

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I have interfaced and Arduino with 2 different sensors (Temperature and pressure) having different sampling rates. I have established the serial communication with Processing and saved the data in a csv file. I have save…

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## [How to use fixed Xlim and YLim commands in processing?](https://discourse.processing.org/t/how-to-use-fixed-xlim-and-ylim-commands-in-processing/14229)

<div class="topic-metadata">

**Author:** [@KGS](https://discourse.processing.org/u/KGS)\
**Replies:** 2\
**Last updated:** [September 27, 2019, 6:08am UTC](https://discourse.processing.org/t/how-to-use-fixed-xlim-and-ylim-commands-in-processing/14229 "2019-09-27T06:08:24Z")

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I have created real-time plot with serial communication. I need a fixed vertical axis in my plot. I have used the grafica library to create the graphs. I have seen there is a command in Grafica library as “fixedYLim” an…

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## [Video ads-help please](https://discourse.processing.org/t/video-ads-help-please/14228)

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**Author:** [@Yash](https://discourse.processing.org/u/Yash)\
**Replies:** 0\
**Last updated:** [September 27, 2019, 3:16am UTC](https://discourse.processing.org/t/video-ads-help-please/14228 "2019-09-27T03:16:59Z")

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I get no error but video ad doesn’t show up. import android.os.Looper;//for setup() if needed import android.os.Bundle; import android.view.Window; import android.widget.RelativeLayout; import android.app.Activity; …

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## [CC Fest SF - Oct 19 - SF Friends](https://discourse.processing.org/t/cc-fest-sf-oct-19-sf-friends/14226)

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**Author:** [@saberkhan](https://discourse.processing.org/u/saberkhan)\
**Replies:** 0\
**Last updated:** [September 27, 2019, 1:00am UTC](https://discourse.processing.org/t/cc-fest-sf-oct-19-sf-friends/14226 "2019-09-27T01:00:26Z")

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Hi Processing folks, I am excited to share that we are hosting CC Fest SF on October 19, Saturday, at SF Friends School at 250 Valencia Street. CC Fest is a free and inclusion celebration of creative coding for students…

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## [Exported Processing applications won't run fullScreen() on 2nd display. Mac](https://discourse.processing.org/t/exported-processing-applications-wont-run-fullscreen-on-2nd-display-mac/14155)

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**Author:** [@nicnut](https://discourse.processing.org/u/nicnut)\
**Replies:** 2\
**Last updated:** [September 26, 2019, 6:41pm UTC](https://discourse.processing.org/t/exported-processing-applications-wont-run-fullscreen-on-2nd-display-mac/14155 "2019-09-26T18:41:28Z")

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Hi, I am using a Mac powerbook running OS 10.13.6 and Processing 3. I am trying to get my Processing sketches, plus exported applications, running on a external monitor, and eventually a projector connected to my comput…

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## [I need help with optimization of a basic sharpening algorithm](https://discourse.processing.org/t/i-need-help-with-optimization-of-a-basic-sharpening-algorithm/14192)

<div class="topic-metadata">

**Author:** [@F53](https://discourse.processing.org/u/F53)\
**Replies:** 4\
**Last updated:** [September 26, 2019, 2:50pm UTC](https://discourse.processing.org/t/i-need-help-with-optimization-of-a-basic-sharpening-algorithm/14192 "2019-09-26T14:50:59Z")

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Hi, one of my recent projects led me into making a sharpening filter, but I am having problems making it run smoothly. The code is modified from the (also very slow) sharpening code found in this processing tutorial on …

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## [Need Help to develop this code](https://discourse.processing.org/t/need-help-to-develop-this-code/14154)

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**Author:** [@royal96](https://discourse.processing.org/u/royal96)\
**Replies:** 2\
**Last updated:** [September 26, 2019, 2:20pm UTC](https://discourse.processing.org/t/need-help-to-develop-this-code/14154 "2019-09-26T14:20:33Z")

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Hi Everyone i need a help in this code import processing.video.\*; Capture video; int videoCount; int currentAngle; int pixelCount; int angleCount = 200; // how many divisions int radii\[\]; int angles\[\]; int movement…

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## [How to navigate to certain HTML-section?](https://discourse.processing.org/t/how-to-navigate-to-certain-html-section/14111)

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**Author:** [@hut](https://discourse.processing.org/u/hut)\
**Replies:** 4\
**Last updated:** [September 26, 2019, 1:20pm UTC](https://discourse.processing.org/t/how-to-navigate-to-certain-html-section/14111 "2019-09-26T13:20:27Z")

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Hi! I believe my problem is fairly simple, but I just couldn’t find any answers: My p5-sketch is embedded inside a single-page website. When I click on a certain element inside the sketch, I want to scroll down to a ce…

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## [How to create Parabola?](https://discourse.processing.org/t/how-to-create-parabola/14213)

<div class="topic-metadata">

**Author:** [@OBadstue](https://discourse.processing.org/u/OBadstue)\
**Replies:** 2\
**Last updated:** [September 26, 2019, 1:02pm UTC](https://discourse.processing.org/t/how-to-create-parabola/14213 "2019-09-26T13:02:07Z")

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So I’m doing a project for school (only been using processing for a week or two), and I’ve been tasked with creating a program that can draw Bézier curves (which i kinda sorted out), and parabolas (preferably on top of e…

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## [P2D renderer time out](https://discourse.processing.org/t/p2d-renderer-time-out/14205)

<div class="topic-metadata">

**Author:** [@Haxorouse](https://discourse.processing.org/u/Haxorouse)\
**Replies:** 3\
**Last updated:** [September 26, 2019, 10:36am UTC](https://discourse.processing.org/t/p2d-renderer-time-out/14205 "2019-09-26T10:36:06Z")

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I have a game I have been working on and off on for several years now and I have just now added music to(don’t worry about copyright on the music, this is a personal only project and if I do ever make a public release I …

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## [Admobs- rewarded video implementation](https://discourse.processing.org/t/admobs-rewarded-video-implementation/14176)

<div class="topic-metadata">

**Author:** [@Yash](https://discourse.processing.org/u/Yash)\
**Replies:** 1\
**Last updated:** [September 26, 2019, 6:48am UTC](https://discourse.processing.org/t/admobs-rewarded-video-implementation/14176 "2019-09-26T06:48:21Z")

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Could some one please show me a way of implementing video ads?

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## [Help, don't know how to fix error](https://discourse.processing.org/t/help-dont-know-how-to-fix-error/14209)

<div class="topic-metadata">

**Author:** [@Whataloser](https://discourse.processing.org/u/Whataloser)\
**Replies:** 1\
**Last updated:** [September 26, 2019, 1:04am UTC](https://discourse.processing.org/t/help-dont-know-how-to-fix-error/14209 "2019-09-26T01:04:16Z")

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I am getting an error- incompatible operand types char and string- and I don’t quote know how to fix it. I’m pretty new to this so any help would be greatly appreciated. Here’s what I’ve got int top=350; boolean leftto…

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## [Overlapping braid pattern with cos waves](https://discourse.processing.org/t/overlapping-braid-pattern-with-cos-waves/14107)

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**Author:** [@Ruchi](https://discourse.processing.org/u/Ruchi)\
**Replies:** 4\
**Last updated:** [September 25, 2019, 10:31pm UTC](https://discourse.processing.org/t/overlapping-braid-pattern-with-cos-waves/14107 "2019-09-25T22:31:29Z")

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float amp; float time; //Number of Strands int nos; //Phase difference b/w strands float phase; float\[\]\[\] x; void setup() { size(1000, 900); background(0); amp=70; nos=3; phase=TWO\_PI/nos; x=new float\[nos…

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## [P3D renders edges blurryly](https://discourse.processing.org/t/p3d-renders-edges-blurryly/14151)

<div class="topic-metadata">

**Author:** [@F53](https://discourse.processing.org/u/F53)\
**Replies:** 13\
**Last updated:** [September 25, 2019, 9:32pm UTC](https://discourse.processing.org/t/p3d-renders-edges-blurryly/14151 "2019-09-25T21:32:05Z")

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P2D and the default renderer give me the same crisp not blurry results as each other. But both suffer severe frame loss when pipes are displayed on screen. P3D, (which I was at the time calling as fullscreen(OPENGL)) ne…

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## [ASCII Art library for p5js](https://discourse.processing.org/t/ascii-art-library-for-p5js/8271)

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**Author:** [@yaniki](https://discourse.processing.org/u/yaniki)\
**Replies:** 2\
**Last updated:** [September 25, 2019, 2:00pm UTC](https://discourse.processing.org/t/ascii-art-library-for-p5js/8271 "2019-09-25T14:00:27Z")

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ASCII Art library for p5js is, as the name suggests, a simple tool for converting images to the ASCII “graphics”. The library - as it performs a fairly trivial operation - is rather compact, but it is fully functional a…

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## [mousePressed() with several objects](https://discourse.processing.org/t/mousepressed-with-several-objects/14157)

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**Author:** [@Paulo](https://discourse.processing.org/u/Paulo)\
**Replies:** 2\
**Last updated:** [September 25, 2019, 1:24pm UTC](https://discourse.processing.org/t/mousepressed-with-several-objects/14157 "2019-09-25T13:24:38Z")

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Hi, The code below shows how to used mousePressed() with a form, but I have no idea how to use it with several forms. I am building an Org Chart with hundreds of nodes and I would like to use mousePressed() to collapse…

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## [Why does my for loop create cells in one specific area instead of in a grid?](https://discourse.processing.org/t/why-does-my-for-loop-create-cells-in-one-specific-area-instead-of-in-a-grid/14197)

<div class="topic-metadata">

**Author:** [@Haggisllama](https://discourse.processing.org/u/Haggisllama)\
**Replies:** 1\
**Last updated:** [September 25, 2019, 8:33am UTC](https://discourse.processing.org/t/why-does-my-for-loop-create-cells-in-one-specific-area-instead-of-in-a-grid/14197 "2019-09-25T08:33:53Z")

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alright I made this code to try and get a grid of cells across the screen to try and make a cellular automata as I am quite new to programming but when I run this all of my cells are in one place near the bottom center o…

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## [Everything Will Be IK (A robust Inverse Kinematics Library for Processing)](https://discourse.processing.org/t/everything-will-be-ik-a-robust-inverse-kinematics-library-for-processing/14131)

<div class="topic-metadata">

**Author:** [@rufsketch1](https://discourse.processing.org/u/rufsketch1)\
**Replies:** 2\
**Last updated:** [September 25, 2019, 3:08am UTC](https://discourse.processing.org/t/everything-will-be-ik-a-robust-inverse-kinematics-library-for-processing/14131 "2019-09-25T03:08:02Z")

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Hello all. I’ve developed an extremely robust and versatile Inverse Kinematics library called Everything Will Be IK, and am making it freely available. It supports pretty much anything you could reasonabl…

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## [loadShape .svg problem](https://discourse.processing.org/t/loadshape-svg-problem/14193)

<div class="topic-metadata">

**Author:** [@KDorohov](https://discourse.processing.org/u/KDorohov)\
**Replies:** 2\
**Last updated:** [September 25, 2019, 1:24am UTC](https://discourse.processing.org/t/loadshape-svg-problem/14193 "2019-09-25T01:24:59Z")

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I am creating a triangle .svg shape in InkScape (same issue with other vector editors). Next in InkScape I am rotating triangle 90degrees clockwise and saving that file. When I load this file in Processing sketch and d…

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## [Size Command Not Following](https://discourse.processing.org/t/size-command-not-following/14185)

<div class="topic-metadata">

**Author:** [@DM\_Slippin](https://discourse.processing.org/u/DM_Slippin)\
**Replies:** 1\
**Last updated:** [September 24, 2019, 11:15pm UTC](https://discourse.processing.org/t/size-command-not-following/14185 "2019-09-24T23:15:57Z")

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My code will not adjust when I change my size command, such that my variables do not pick up on what command size I have requested, why is that? void setup() { size(500,500); //Canvas Size } // The following are all th…

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## [SVG output does not match Sketch visual?](https://discourse.processing.org/t/svg-output-does-not-match-sketch-visual/14168)

<div class="topic-metadata">

**Author:** [@Marinus](https://discourse.processing.org/u/Marinus)\
**Replies:** 9\
**Last updated:** [September 24, 2019, 11:04pm UTC](https://discourse.processing.org/t/svg-output-does-not-match-sketch-visual/14168 "2019-09-24T23:04:55Z")

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Hi, so I’m working on a generator that creates generated art output to be printed with a DIY pen plotter. I successfully export my generated artwork through SVG output but somehow the SVG looks all garbled up while in m…

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## [How to change the size of Georgian language text](https://discourse.processing.org/t/how-to-change-the-size-of-georgian-language-text/14098)

<div class="topic-metadata">

**Author:** [@steele](https://discourse.processing.org/u/steele)\
**Replies:** 13\
**Last updated:** [September 24, 2019, 8:45pm UTC](https://discourse.processing.org/t/how-to-change-the-size-of-georgian-language-text/14098 "2019-09-24T20:45:35Z")

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I want to change the size of Georgian-language text that I have input from a .txt file in the data folder (.txt file encoded in UTF-8). I can display the Georgian script (this is Georgian language script, not the Georgia…

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## [\[SOLVED\] Shape stroke disappearing with resize -- solved, Clipping Plane issue](https://discourse.processing.org/t/solved-shape-stroke-disappearing-with-resize-solved-clipping-plane-issue/2514)

<div class="topic-metadata">

**Author:** [@stefan](https://discourse.processing.org/u/stefan)\
**Replies:** 1\
**Last updated:** [September 24, 2019, 5:24pm UTC](https://discourse.processing.org/t/solved-shape-stroke-disappearing-with-resize-solved-clipping-plane-issue/2514 "2019-09-24T17:24:51Z")

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When the window narrows and var ‘dist’ gets smaller, this happens: Edit: if your shapes look like this, the culprit is the clipping plane. The Coding Train video on P5 js Camera features a solution.

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## [Loading images from subfolders](https://discourse.processing.org/t/loading-images-from-subfolders/14140)

<div class="topic-metadata">

**Author:** [@F53](https://discourse.processing.org/u/F53)\
**Replies:** 4\
**Last updated:** [September 24, 2019, 9:43am UTC](https://discourse.processing.org/t/loading-images-from-subfolders/14140 "2019-09-24T09:43:01Z")

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I am developing a game in android and have a lot of images that I need to load, so its much easier for me to use subfolders, but when attempting to load an image in a subfolder, I get this error: java.lang.IllegalArgume…

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## [Using Texture and vertex (with texture mapping) in OPENGL renderer](https://discourse.processing.org/t/using-texture-and-vertex-with-texture-mapping-in-opengl-renderer/14162)

<div class="topic-metadata">

**Author:** [@snaders](https://discourse.processing.org/u/snaders)\
**Replies:** 0\
**Last updated:** [September 24, 2019, 8:28am UTC](https://discourse.processing.org/t/using-texture-and-vertex-with-texture-mapping-in-opengl-renderer/14162 "2019-09-24T08:28:39Z")

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Hello all, I’ve been googling and searching the forum, but can’t seem to find how to make this work. This may have to do with my total absence of OPENGL-knowledge. I am drawing shapes with vertices, and apply an image …

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