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ofNoise is slow with a lot of particles

@vanderlin wrote: Just making a sketch playing with ofNoise I didn’t realize how CPU intensive it is. Look at this simple example: gist.github.com...

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Interpolate Between Two Mesh

@michaelpromeo wrote: Hello, I have two ofxAssimpModelLoader objects each with a different 3D model. I get and set a ref of ofVec3f points for each and try to Lerp between the two. It works very...

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Webassembly videoplayer

@11121 wrote: Hello ,I want develop video player in webassembly,and add opencv (face detection). so at first,I want play your sample code videoPlayerExample in my emscripten environment(ver1.38.11)...

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Music Recognition

@maruf03 wrote: Hello, I am very much new to OF. I want to develop a simple music recognition app like Shazam. I have experience in c and python. But I have never done any multimedia related...

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Organic cell-like motion with ofxBox2d?

@t.espinoza wrote: hi all! trying to computationally understand my problem. i want to make this cell-like shape that shifts around organically, maybe something similar to metaballs? right now, i’m...

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Replace the white block with video

@TeB wrote: Hi, I’m making a projection wall by openFrameworks and need some help. The project is like the up image projectionwall.jpeg2480x3508 240 KB I’m using a IR camera, and the second image is...

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Parsing a HTML file into structs/classes

@zelm wrote: Hello all, I was wondering is there any library that can parse HTML into structs/classes with the parent, child, attributes and content of the inputted HTML tag. I’m having a boring time...

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Rotate by pre-existing transformation matrix

@andrea-allen wrote: I am trying to draw cylinders with their axis along a specific line in 3space, call it vector = <x,y,z>. I have come up with an ofMatrix3x3 that is the suitable...

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xmlExample from 0.9.8 to 0.10.0

@Regi wrote: Hi, I’m trying to understand the change in code from the older version of OF to the newest one. Specifically how to reproduce the exact steps below in the new version. Thanks! // If we...

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Multi-Channel Audio - one .wav file per output

@digitalColeman wrote: I am trying to get multi-channel Audio working with a Motu box and having trouble with a particular issue - how to send a sound to a particular output, not just to a device....

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Musical Instrument recognition

@maruf03 wrote: Hi guys. I want to make a program that can recognize musical instruments from real time audio input. I am very much new to programming and openframeworks. So any kind of help is...

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Image draw and resize animation

@alessandroc wrote: Hi, I need to display a grid of thumbnails (of image). When the user taps on a thumbnai I would like to perform the following animation: the thumbnail shall move the center of the...

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Cannot Use OfxCV

@kokawa2003 wrote: I want to use OfxCV in OpenFrameworks0.10.0. in ubuntu 16.04 So at first ,I created new App.and wrote addon setting in addons.make . ofxCv ofxOpenCv and compiled in qt creator but I...

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Simple openGL triangle

@Jordi wrote: Hello, I wanted use OpenGL calls into an OF app by following this tutorial. Main purpose is to learn to use both OpenGL calls and OF calls if needed. Well, the example is very simple but...

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About ofxopencv for emscripten

@kokawa2003 wrote: I want to use opencv in emscripten environment with opencv2/ximgproc.hpp class so at first I made lib in this tutorial. https://docs.opencv.org/3.4.0/d4/da1/tutorial_js_setup.html I...

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Getpixels have some problem in emscripten

@kokawa2003 wrote: This is my code to display video fingerMovie is meaning ofVideoPlayer fingerMovie; and img is ofxCvColorImage img; fingerMovie.draw(20,20,320,240); ofPixels pixels =...

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How to Paste text into ofxLabel / ofParameter in ofxGui?

@lethalrush wrote: Is there any way to paste text into an ofParameter in ofxGui? (I want to be able to paste a large block of text into an input field in the GUI.) (I realize I can use a...

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ofVideoplayer load URL in emscripten

@kokawa2003 wrote: If I read a video from URL( for example http://localhost/sample.mp4)in ofVideoplayer like this ofVideoPlayer fingerMovie; bool bres=fingerMovie.load(“http://localhost/sample.mp4”);...

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HOW TO GET BEST PERFORMANCE USING SHADER (improve fps)

@GinesMendoza wrote: image.jpg1647x985 266 KB Hello everyone I hope some of you can help me :). the thing is that I’m learning how to use shaders and how to program shaders to create my own animations...

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Move mesh according to sound frequency

@slugz wrote: Hello all, been studying up on openframeworks (v0.10.0) and was wondering if anyone has any tips or advice in trying to make a visual music player where mesh will move based on specific...

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