# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=74

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**Page:** 75

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## [Serial port error with ARDUINO](https://discourse.processing.org/t/serial-port-error-with-arduino/871)

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**Author:** [@F6EEQ](https://discourse.processing.org/u/F6EEQ)\
**Replies:** 6\
**Last updated:** [June 13, 2018, 1:17pm UTC](https://discourse.processing.org/t/serial-port-error-with-arduino/871 "2018-06-13T13:17:54Z")

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First hello to all, I’m brand new to this community! So forgive me if my questions are basic. I tried to find answer with a search, but did not find. As a first attempt, I wish to link an ARDUINO and Processing, using…

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## [LiquidFun setting properties such as colorMixingStrength](https://discourse.processing.org/t/liquidfun-setting-properties-such-as-colormixingstrength/783)

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**Author:** [@ReinoudvanLaar](https://discourse.processing.org/u/ReinoudvanLaar)\
**Replies:** 3\
**Last updated:** [June 12, 2018, 11:25am UTC](https://discourse.processing.org/t/liquidfun-setting-properties-such-as-colormixingstrength/783 "2018-06-12T11:25:36Z")

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Hi there, I’m using the LiquidFun library by Thomas Diewald and am running against a brickwall trying to set the colorMixingStrength so the colours mix more slowly. At this stage Im trying to get any of the sketches in t…

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## [How can I switch between ControlP5s without skipping pages?](https://discourse.processing.org/t/how-can-i-switch-between-controlp5s-without-skipping-pages/864)

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**Author:** [@britnicanale](https://discourse.processing.org/u/britnicanale)\
**Replies:** 1\
**Last updated:** [June 11, 2018, 4:15pm UTC](https://discourse.processing.org/t/how-can-i-switch-between-controlp5s-without-skipping-pages/864 "2018-06-11T16:15:38Z")

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I’m creating a game in processing and I’m having issues with my GUI using ControlP5. My current setup is that there is a startwindow ControlP5, a tankswindow ControlP5, a howtoplaywindow ControlP5, etc. My issue is that …

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## [Shapes 3D Library: can't get stroke function to work for any shapes](https://discourse.processing.org/t/shapes-3d-library-cant-get-stroke-function-to-work-for-any-shapes/531)

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**Author:** [@\_ther](https://discourse.processing.org/u/_ther)\
**Replies:** 8\
**Last updated:** [June 5, 2018, 10:49am UTC](https://discourse.processing.org/t/shapes-3d-library-cant-get-stroke-function-to-work-for-any-shapes/531 "2018-06-05T10:49:51Z")

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according to Shapes 3D Box - Stroke Documentation i am attempting to add stroke to my box correctly, any of the other functions that I try are working (e.g. the .fill()) but not stroke. i want to be able to have no fill …

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## [Shapes 3D Library: How can i get the color of a shape?](https://discourse.processing.org/t/shapes-3d-library-how-can-i-get-the-color-of-a-shape/590)

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**Author:** [@\_ther](https://discourse.processing.org/u/_ther)\
**Replies:** 0\
**Last updated:** [June 1, 2018, 5:56am UTC](https://discourse.processing.org/t/shapes-3d-library-how-can-i-get-the-color-of-a-shape/590 "2018-06-01T05:56:35Z")

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Box test = new Box(this, 300); test.stroke(255); test.drawMode(Shape3D.SOLID); test.draw(); // this is where I'm stuck color c = test.getColor();

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## [GSVideo library: error "can't load library libpixman"](https://discourse.processing.org/t/gsvideo-library-error-cant-load-library-libpixman/524)

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**Author:** [@Zhuoge](https://discourse.processing.org/u/Zhuoge)\
**Replies:** 1\
**Last updated:** [May 30, 2018, 8:57am UTC](https://discourse.processing.org/t/gsvideo-library-error-cant-load-library-libpixman/524 "2018-05-30T08:57:29Z")

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I downloaded a GSVideo library. I run all the examples but it tells me Can’t load library libpixman?? I try this files on the other computers,some works.I really need help,thanks!

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## [G4P Library - change button color after adding to panel](https://discourse.processing.org/t/g4p-library-change-button-color-after-adding-to-panel/369)

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**Author:** [@erichwe](https://discourse.processing.org/u/erichwe)\
**Replies:** 2\
**Last updated:** [May 28, 2018, 5:49am UTC](https://discourse.processing.org/t/g4p-library-change-button-color-after-adding-to-panel/369 "2018-05-28T05:49:26Z")

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Hi there! I created a GButton of the G4P library and added this button successfully to my panel - it has now the color of the current colorscheme. Is there a way to change to color of the button AFTER adding it to the p…

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## [QueasyCam Problem](https://discourse.processing.org/t/queasycam-problem/447)

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**Author:** [@VansiusProductions](https://discourse.processing.org/u/VansiusProductions)\
**Replies:** 2\
**Last updated:** [May 27, 2018, 11:42pm UTC](https://discourse.processing.org/t/queasycam-problem/447 "2018-05-27T23:42:08Z")

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Hi, I’m currently using the QueasyCam library. When I move around the scene, the box will eventually disappear. How do i fix this? Gif to show what is happening I used the sample code provided Thanks

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## [Multi channel audio](https://discourse.processing.org/t/multi-channel-audio/443)

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**Author:** [@crazylogic](https://discourse.processing.org/u/crazylogic)\
**Replies:** 3\
**Last updated:** [May 27, 2018, 11:05pm UTC](https://discourse.processing.org/t/multi-channel-audio/443 "2018-05-27T23:05:23Z")

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Hi All, I’m trying to build a sketch that shows me levels of audio coming into a system. I want to be able to do more than 2 channels so i know that i need more than the processing.sound library can provide currently an…

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## [Multiple textfields using controlP5 library and how to remove them](https://discourse.processing.org/t/multiple-textfields-using-controlp5-library-and-how-to-remove-them/415)

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**Author:** [@johnakospapa](https://discourse.processing.org/u/johnakospapa)\
**Replies:** 2\
**Last updated:** [May 27, 2018, 4:04am UTC](https://discourse.processing.org/t/multiple-textfields-using-controlp5-library-and-how-to-remove-them/415 "2018-05-27T04:04:23Z")

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In the code I wrote here I am giving the number of textfields(max 18) as an input and when I press the button generate the number of textfields appear. The problem is that when I retype a number on the input textfield I …

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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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## [MIDI Bus Library Interaction Quirk](https://discourse.processing.org/t/midi-bus-library-interaction-quirk/69)

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**Author:** [@munk](https://discourse.processing.org/u/munk)\
**Replies:** 3\
**Last updated:** [May 18, 2018, 3:13pm UTC](https://discourse.processing.org/t/midi-bus-library-interaction-quirk/69 "2018-05-18T15:13:47Z")

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Working on a sketch that uses MIDIbus to read keystrokes which are mapped to draw/hide objects in an array. The original algorithm used a boolean value to determine whether or not to redraw, unfortunately that method cau…

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