# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?page=328

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

**Page:** 329

---

## [Trying to make a google dinosaur game rip-off?](https://discourse.processing.org/t/trying-to-make-a-google-dinosaur-game-rip-off/5554)

<div class="topic-metadata">

**Author:** [@CyanNi](https://discourse.processing.org/u/CyanNi)\
**Replies:** 7\
**Last updated:** [January 22, 2019, 4:18am UTC](https://discourse.processing.org/t/trying-to-make-a-google-dinosaur-game-rip-off/5554 "2019-01-22T04:18:24Z")

</div>

Well, flappy bun?? The problem I have is that the image instead of going up and down—it stretches… Here’s the code! float bunHeight = 2; float speed = 1; PImage bun; void setup() { size(500,500); bun = loadImage(…

---

## [Using Quaternions to rotate(3D)](https://discourse.processing.org/t/using-quaternions-to-rotate-3d/7624)

<div class="topic-metadata">

**Author:** [@aryakeyvan](https://discourse.processing.org/u/aryakeyvan)\
**Replies:** 6\
**Last updated:** [January 22, 2019, 1:24am UTC](https://discourse.processing.org/t/using-quaternions-to-rotate-3d/7624 "2019-01-22T01:24:21Z")

</div>

In my project I have used a complimentary filter to generate yaw, roll, and pitch angles. I used the rotateX, rotateY, and rotateZ functions to rotate a box in 3d. I ran into problems like gimbal lock when using this m…

---

## [Need help with collision detection of arrays](https://discourse.processing.org/t/need-help-with-collision-detection-of-arrays/7717)

<div class="topic-metadata">

**Author:** [@squirrel1969](https://discourse.processing.org/u/squirrel1969)\
**Replies:** 3\
**Last updated:** [January 22, 2019, 1:11am UTC](https://discourse.processing.org/t/need-help-with-collision-detection-of-arrays/7717 "2019-01-22T01:11:59Z")

</div>

Hello! I am trying to have a game where you shoot falling balls with a laser. I used an array to make the balls fall, so when I shoot one of the multiple balls they all reset. How do I make it so that you have to shoot …

---

## [\[imageLoad()\] disapear when i change size()](https://discourse.processing.org/t/imageload-disapear-when-i-change-size/7702)

<div class="topic-metadata">

**Author:** [@bMan](https://discourse.processing.org/u/bMan)\
**Replies:** 4\
**Last updated:** [January 22, 2019, 12:41am UTC](https://discourse.processing.org/t/imageload-disapear-when-i-change-size/7702 "2019-01-22T00:41:42Z")

</div>

Hi, guys! I’m super new here. I need some help :slight\_smile: I added a image with resolution for example 600x400, and set the size(600,400). Its perfectly works However, When i change size to another value for examp…

---

## [Exporting application and removing the source folder](https://discourse.processing.org/t/exporting-application-and-removing-the-source-folder/7524)

<div class="topic-metadata">

**Author:** [@Kochtopf](https://discourse.processing.org/u/Kochtopf)\
**Replies:** 2\
**Last updated:** [January 22, 2019, 12:23am UTC](https://discourse.processing.org/t/exporting-application-and-removing-the-source-folder/7524 "2019-01-22T00:23:12Z")

</div>

I have problems with exporting my sketch with Export Application option. When I export it I get 2 folders ( for 32bit and 64bit version) and if I click on 32bit version and run my .exe file everything works fine. But if …

---

## [HTML SVG Loading](https://discourse.processing.org/t/html-svg-loading/7531)

<div class="topic-metadata">

**Author:** [@Thermacon](https://discourse.processing.org/u/Thermacon)\
**Replies:** 5\
**Last updated:** [January 21, 2019, 11:43pm UTC](https://discourse.processing.org/t/html-svg-loading/7531 "2019-01-21T23:43:19Z")

</div>

I’m not really sure how to explain this, but I’ll give it a shot. I have a URL that has a SVG file on it, and want to load it in and display it in my project. Something like: PShape costume; costume = loadShape("https…

---

## [Fill colors not blending on triangle strip object](https://discourse.processing.org/t/fill-colors-not-blending-on-triangle-strip-object/7565)

<div class="topic-metadata">

**Author:** [@Birb](https://discourse.processing.org/u/Birb)\
**Replies:** 3\
**Last updated:** [January 21, 2019, 11:28pm UTC](https://discourse.processing.org/t/fill-colors-not-blending-on-triangle-strip-object/7565 "2019-01-21T23:28:05Z")

</div>

In order to draw multiple rows of triangle strips (for terrain), either they need to be looped, in which case it glitches by drawing a line from the end of one row to the beginning of the next, or begin shape needs to be…

---

## [How should i begin with color detection in my maze game](https://discourse.processing.org/t/how-should-i-begin-with-color-detection-in-my-maze-game/7713)

<div class="topic-metadata">

**Author:** [@Nolan](https://discourse.processing.org/u/Nolan)\
**Replies:** 2\
**Last updated:** [January 21, 2019, 10:52pm UTC](https://discourse.processing.org/t/how-should-i-begin-with-color-detection-in-my-maze-game/7713 "2019-01-21T22:52:51Z")

</div>

PLZ help me i just started with codeing

---

## [How to limit a shape inside a rect?](https://discourse.processing.org/t/how-to-limit-a-shape-inside-a-rect/7586)

<div class="topic-metadata">

**Author:** [@leochk](https://discourse.processing.org/u/leochk)\
**Replies:** 4\
**Last updated:** [January 21, 2019, 7:37pm UTC](https://discourse.processing.org/t/how-to-limit-a-shape-inside-a-rect/7586 "2019-01-21T19:37:10Z")

</div>

Hi guys, I’m currently working on a personal project. Basically, I have a Voronoi map and I plan to create a GUI: whenever the user clicks on a voronoi polygon, a window appears and show its informations (height, moistur…

---

## [Problems with OSC and Pure Data](https://discourse.processing.org/t/problems-with-osc-and-pure-data/7614)

<div class="topic-metadata">

**Author:** [@julibla](https://discourse.processing.org/u/julibla)\
**Replies:** 1\
**Last updated:** [January 21, 2019, 7:20pm UTC](https://discourse.processing.org/t/problems-with-osc-and-pure-data/7614 "2019-01-21T19:20:25Z")

</div>

Hi guys! i am trying to connect Pure Data and Processing by OSC. Yesterday when i did the conection between the two programs it was succesfull. But today, i get this problem: i am working with the port 11112, If i open …

---

## [Help with some loops and image processing](https://discourse.processing.org/t/help-with-some-loops-and-image-processing/7541)

<div class="topic-metadata">

**Author:** [@annaschimpf](https://discourse.processing.org/u/annaschimpf)\
**Replies:** 2\
**Last updated:** [January 17, 2019, 7:14pm UTC](https://discourse.processing.org/t/help-with-some-loops-and-image-processing/7541 "2019-01-17T19:14:04Z")

</div>

Hello there, I am pretty new to processing and what I am going to ask is probably a little stupid but I just can´t get on without help. I want to write a program to do the following: Take a lot of pictures “cut out” …

---

## [Help for creating own library (add java file to sketch)](https://discourse.processing.org/t/help-for-creating-own-library-add-java-file-to-sketch/7130)

<div class="topic-metadata">

**Author:** [@Wolfgang](https://discourse.processing.org/u/Wolfgang)\
**Replies:** 6\
**Last updated:** [January 21, 2019, 5:46pm UTC](https://discourse.processing.org/t/help-for-creating-own-library-add-java-file-to-sketch/7130 "2019-01-21T17:46:03Z")

</div>

Hi erveryone, i created a class called Adressbook. I copy the class inside the sketchbook. created a new file and entered import Adressbook; – no library found for Addressbook — I got as error. What do I have to do t…

---

## [How to calculate two different mean values with the same function](https://discourse.processing.org/t/how-to-calculate-two-different-mean-values-with-the-same-function/7647)

<div class="topic-metadata">

**Author:** [@thatone](https://discourse.processing.org/u/thatone)\
**Replies:** 7\
**Last updated:** [January 21, 2019, 4:31pm UTC](https://discourse.processing.org/t/how-to-calculate-two-different-mean-values-with-the-same-function/7647 "2019-01-21T16:31:49Z")

</div>

Hello, I’m a bit in a problem. I’m supposed to get this function to work for the followings array, but I only get it to work it one. Perhaps I’m not thinking right, or it’s easier than I’m trying to it to be. Anyone tha…

---

## [Passing arguments to exported application](https://discourse.processing.org/t/passing-arguments-to-exported-application/7097)

<div class="topic-metadata">

**Author:** [@clankill3r](https://discourse.processing.org/u/clankill3r)\
**Replies:** 4\
**Last updated:** [January 21, 2019, 2:14pm UTC](https://discourse.processing.org/t/passing-arguments-to-exported-application/7097 "2019-01-21T14:14:00Z")

</div>

How can I pass arguments to an exported application on OSX? This is my sketch: void setup() { size(500, 500); } void draw() { background(0); fill(255); if (args != null) { for (String s : args) { tex…

---

## [Make array length random](https://discourse.processing.org/t/make-array-length-random/7680)

<div class="topic-metadata">

**Author:** [@squirrel1969](https://discourse.processing.org/u/squirrel1969)\
**Replies:** 3\
**Last updated:** [January 20, 2019, 8:33pm UTC](https://discourse.processing.org/t/make-array-length-random/7680 "2019-01-20T20:33:50Z")

</div>

I have these worm things which are just a bunch of circles in a line that are falling down the screen and want to make it so that every time they go off screen they reset back to zero with a different amount of circles, …

---

## [The screen is updating after while loop is completed ? need help](https://discourse.processing.org/t/the-screen-is-updating-after-while-loop-is-completed-need-help/7119)

<div class="topic-metadata">

**Author:** [@liceroy](https://discourse.processing.org/u/liceroy)\
**Replies:** 4\
**Last updated:** [January 20, 2019, 7:36pm UTC](https://discourse.processing.org/t/the-screen-is-updating-after-while-loop-is-completed-need-help/7119 "2019-01-20T19:36:28Z")

</div>

I am using " delay() " inside while loop and making some changes in the screen. I was hoping the changes will be visiable since I am using delay(1000) in every while loop but only the final result is printed on screen …

---

## [Virtual dice roll around many times then stop](https://discourse.processing.org/t/virtual-dice-roll-around-many-times-then-stop/7608)

<div class="topic-metadata">

**Author:** [@Captainsparkles](https://discourse.processing.org/u/Captainsparkles)\
**Replies:** 18\
**Last updated:** [January 20, 2019, 5:34pm UTC](https://discourse.processing.org/t/virtual-dice-roll-around-many-times-then-stop/7608 "2019-01-20T17:34:08Z")

</div>

I can’t figure out the problem as when you press the button it draws 6 circles, but the main point of the program is to make the dice roll around like 7 times slower each time, and then stopping on any side like an actua…

---

## [Weird shifting behavior inside ArrayList - is it a bug?](https://discourse.processing.org/t/weird-shifting-behavior-inside-arraylist-is-it-a-bug/7668)

<div class="topic-metadata">

**Author:** [@FirstFloop](https://discourse.processing.org/u/FirstFloop)\
**Replies:** 3\
**Last updated:** [January 20, 2019, 11:52am UTC](https://discourse.processing.org/t/weird-shifting-behavior-inside-arraylist-is-it-a-bug/7668 "2019-01-20T11:52:47Z")

</div>

To start this question off, here’s the code in question: ArrayList\<Integer\> x = new ArrayList\<Integer\>(); ArrayList\<Integer\> y = new ArrayList\<Integer\>(); Integer posX; Integer posY; Integer posXR; Integer posYR; Intege…

---

## [I need help with bullet direction](https://discourse.processing.org/t/i-need-help-with-bullet-direction/7666)

<div class="topic-metadata">

**Author:** [@vGlint](https://discourse.processing.org/u/vGlint)\
**Replies:** 2\
**Last updated:** [January 20, 2019, 8:38am UTC](https://discourse.processing.org/t/i-need-help-with-bullet-direction/7666 "2019-01-20T08:38:22Z")

</div>

i have made a simple project where a have a player that shoots. i have coded an aimer that gets bigger when you help the mouse down. i need help so the bullets will pick a random direction in the size of my aimer. here i…

---

## [Change color with keyPressed and update color](https://discourse.processing.org/t/change-color-with-keypressed-and-update-color/7645)

<div class="topic-metadata">

**Author:** [@zinni](https://discourse.processing.org/u/zinni)\
**Replies:** 10\
**Last updated:** [January 20, 2019, 3:25am UTC](https://discourse.processing.org/t/change-color-with-keypressed-and-update-color/7645 "2019-01-20T03:25:39Z")

</div>

I just take this example of a particle system: \[https://processing.org/examples/simpleparticlesystem.html\] and made some changes. My goal is to change the colors with keyPressed. With my code the variables of r1,b1,g1…

---

## [Am I dumb or is this a bug?](https://discourse.processing.org/t/am-i-dumb-or-is-this-a-bug/7648)

<div class="topic-metadata">

**Author:** [@Tsskyx](https://discourse.processing.org/u/Tsskyx)\
**Replies:** 7\
**Last updated:** [January 19, 2019, 10:44pm UTC](https://discourse.processing.org/t/am-i-dumb-or-is-this-a-bug/7648 "2019-01-19T22:44:29Z")

</div>

void setup() { } void draw() { fill((frameCount \< 60) ? random(255) : color(255, 0, 0)); rect(0, 0, width, height); fill(color(255, 0, 0)); text("a", width/2, height/2); } By all means of logic the screen shou…

---

## [Multiple particle systems](https://discourse.processing.org/t/multiple-particle-systems/7650)

<div class="topic-metadata">

**Author:** [@larppan](https://discourse.processing.org/u/larppan)\
**Replies:** 4\
**Last updated:** [January 19, 2019, 5:41pm UTC](https://discourse.processing.org/t/multiple-particle-systems/7650 "2019-01-19T17:41:45Z")

</div>

Hi guys! I´m writing code for a Uni project and I stumbled on a problem. Basically I´m making an interactive installation and I have a kinect with which I will track hands and create these particle effects. My problem …

---

## [Problem loading random images and interactivity](https://discourse.processing.org/t/problem-loading-random-images-and-interactivity/7637)

<div class="topic-metadata">

**Author:** [@srushton18](https://discourse.processing.org/u/srushton18)\
**Replies:** 7\
**Last updated:** [January 19, 2019, 1:35pm UTC](https://discourse.processing.org/t/problem-loading-random-images-and-interactivity/7637 "2019-01-19T13:35:31Z")

</div>

Hello! I’m new to Processing but have experience with other bits and bats of coding, but feel I’m really banging my head against the wall here. All I want is to draw a canvas that loads a random background image and ano…

---

## [Erase part of PGraphics image to transparent](https://discourse.processing.org/t/erase-part-of-pgraphics-image-to-transparent/7605)

<div class="topic-metadata">

**Author:** [@ottenm](https://discourse.processing.org/u/ottenm)\
**Replies:** 4\
**Last updated:** [January 19, 2019, 12:01pm UTC](https://discourse.processing.org/t/erase-part-of-pgraphics-image-to-transparent/7605 "2019-01-19T12:01:54Z")

</div>

Any help cutting/cropping out part of a PGraphics image, leaving behind a transparent rectangle? I tried the code below, but it just adds a transparent rectangle on top (no visual change to the underlying image). I did…

---

## [Set present background colour](https://discourse.processing.org/t/set-present-background-colour/6957)

<div class="topic-metadata">

**Author:** [@garrettlynch](https://discourse.processing.org/u/garrettlynch)\
**Replies:** 4\
**Last updated:** [January 18, 2019, 3:07pm UTC](https://discourse.processing.org/t/set-present-background-colour/6957 "2019-01-18T15:07:26Z")

</div>

I’m trying to set the present background colour of a sketch’s second window launched through PApplet.runSketch(), however nothing I’ve tried works. I don’t want to set processing’s background preference for all sketches…

---

## [Saving into internal memory](https://discourse.processing.org/t/saving-into-internal-memory/7611)

<div class="topic-metadata">

**Author:** [@ArduinoKer](https://discourse.processing.org/u/ArduinoKer)\
**Replies:** 1\
**Last updated:** [January 18, 2019, 12:01pm UTC](https://discourse.processing.org/t/saving-into-internal-memory/7611 "2019-01-18T12:01:13Z")

</div>

Hello everyone, i have a coding question… I am currently doing a project about positioning. I am using the Processing application to display the movements and the coordinates of my device, also i’ve added some extra fea…

---

## [Why cant I run a camera at 60FPS?](https://discourse.processing.org/t/why-cant-i-run-a-camera-at-60fps/7569)

<div class="topic-metadata">

**Author:** [@laptophead](https://discourse.processing.org/u/laptophead)\
**Replies:** 2\
**Last updated:** [January 18, 2019, 6:48am UTC](https://discourse.processing.org/t/why-cant-i-run-a-camera-at-60fps/7569 "2019-01-18T06:48:46Z")

</div>

I have this application that requires fast video processing, there are items in motion on a belt. So I got a camera that goes up to 120 FPS. It also does 30 and 60 FPS\> I am able to run it well at 30FPS or less. But…

---

## [Including shared pde files across projects](https://discourse.processing.org/t/including-shared-pde-files-across-projects/1701)

<div class="topic-metadata">

**Author:** [@malcolm\_gc](https://discourse.processing.org/u/malcolm_gc)\
**Replies:** 55\
**Last updated:** [January 17, 2019, 11:15pm UTC](https://discourse.processing.org/t/including-shared-pde-files-across-projects/1701 "2019-01-17T23:15:26Z")

</div>

Honey gave me an answer to my question How can I make an include file for my scripts - SOLVED THANKS which to paraphrase said stick your variables in a file called file.pde in the same directory and it is included automa…

---

## [How to unplug a method attached to a controller](https://discourse.processing.org/t/how-to-unplug-a-method-attached-to-a-controller/7122)

<div class="topic-metadata">

**Author:** [@robotijo](https://discourse.processing.org/u/robotijo)\
**Replies:** 2\
**Last updated:** [January 17, 2019, 10:10pm UTC](https://discourse.processing.org/t/how-to-unplug-a-method-attached-to-a-controller/7122 "2019-01-17T22:10:07Z")

</div>

Hi! I’m using the Game Control Plus library to configure a game pad to control a Processing GUI. It’s working good and I’m happy with it but I’m stuck now. I would like to change the behavior of the game pad buttons pre…

---

## [HeadTracking Negative Space](https://discourse.processing.org/t/headtracking-negative-space/4620)

<div class="topic-metadata">

**Author:** [@Bianyx](https://discourse.processing.org/u/Bianyx)\
**Replies:** 5\
**Last updated:** [January 17, 2019, 9:12pm UTC](https://discourse.processing.org/t/headtracking-negative-space/4620 "2019-01-17T21:12:34Z")

</div>

Hey Guys, So I am prototyping on processing. The effect I would want to achieve is same as the https://www.youtube.com/watch?v=Jd3-eiid-Uw. Another reference I am using openCV for…

[Previous page](https://discourse.processing.org/c/processing/6.md?page=327)

[Next page](https://discourse.processing.org/c/processing/6.md?page=329)