Back to posts.
        
        
            Generative helix with openGL
Some debug screenshots of a generative, ever growing helix.

        
        
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        NAT Types
         This is so exciting, in this article I dive into some of the different ways a NAT device translates addresses which is important for peer-to-peer connections.
       
     
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        Building Cabinets
         In this post I dive into the design and construction of a cabinet with an interact LED strip. I also explain how I dynamically change the colors of the LEDs over TCP/UDP.
       
     
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        Compiling GStreamer from source on Windows
         How to compile GStreamer on Windows from Source using Visual Studio 2019 and the meson build system.
       
     
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        Debugging CMake Issues
         In this post I explain a process you can follow to debug issues with CMake by focusing on a specific target and making the output verbose.
       
     
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        Dual Boot Arch Linux and Windows 10
         How to install Arch Linux and Windows 10 Pro as dual boot. A step by step tutorial how to create bootable installers, partition and setup a dual boot menu.
       
     
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        Mindset Updated Edition, Carol S. Dweck (Book Notes)
         Paragraphs I marked from the book "Mindset" from Carol S. Dweck.
       
     
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        How to setup a self-hosted Unifi NVR with Arch Linux
         A step by step HOW-TO that explain show to setup a Unifi Video Controller with an NFS share with Arch Linux.
       
     
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        Blender 2.8 How to use Transparent Textures
         Follow this node setup when you want to use an image with transparency as a "sticker".
       
     
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        Compiling FFmpeg with X264 on Windows 10 using MSVC
         A couple of steps to compile FFmpeg on Windows using MSVC.
       
     
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        Blender 2.8 OpenGL Buffer Exporter
         The following Blender script creates a [name].h and [name].cpp for the selected object and stores the positions, normals and UVs.
       
     
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        Blender 2.8 Baking lightmaps
         Light maps are a cheap way to add a lot of realism to you static scenes and have been used forever.
       
     
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        Blender 2.8 Tips and Tricks
         Use Environment Map only for reflections; create a floor plane for a Product Render, diffuse texture for roughness and more!
       
     
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        Setting up a Bluetooth Headset on Arch Linux
         Learn how to setup a Sennheiser PXC 550 Bluetooth headset on Arch Linux.
       
     
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        Compiling x264 on Windows with MSVC
         Compile the excellent x264 source on Windows using MSYS2 and MSVC.
       
     
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        C/C++ Snippets
         Is a number divisible by four?
       
     
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        Reading Chunks from a Buffer
         Some thoughts on reading bytes from a file; handy for reading NALs.
       
     
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        Handy Bash Commands
         Bash scripts: removing white space, lowercase filenames, backup using tar, etc.
       
     
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        Building a zero copy parser
         Simple solution to parse data in a pretty performant way. Used this for a RTSP protocol parser.
       
     
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        Kalman Filter
         A very simple yet powerful filter which works great when you have to smooth noisy data. Used for the Nike Rise 2.0 project.
       
     
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        Saving pixel data using libpng
         Do you have raw RGBA data that you want to save? Use this snippet to save it into a PNG file.
       
     
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        Compile Apache, PHP and MySQL on Mac 10.10
         Setup you own PHP, MySQL and Apache and with virtual document roots.
       
     
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        Fast Pixel Transfers with Pixel Buffer Objects
         Using Pixel Buffer Objects (PBO) for fast asynchronous data transfers and OpenGL.
       
     
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        High Resolution Timer function in C/C++
         Wait...... wait.. fast high resolution timer funtions (Windows, Linux, Mac)
       
     
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        Rendering text with Pango, Cairo and Freetype
         My never ending obsession with font rendering. A complex beast to do well. Use Pango and FreeType for the heavy lifting.
       
     
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        Fast OpenGL blur shader
         Make things look blurry ... and fast using this OpenGL blur shader.
       
     
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        Spherical Environment Mapping with OpenGL
         An old trick to get great lighting effects using Environment Maps and OpenGL.
       
     
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        Using OpenSSL with memory BIOs
         OpenSSL is a great library with lots of abstractions. In this post I discuss how to break some of these abstractions and use your own memory buffers.
       
     
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        Attributeless Vertex Shader with OpenGL
         A simple way to render a fullscreen quad without a vertex buffer with OpenGL.
       
     
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        Circular Image Selector
         Some thoughts on a different way to select images from a huge collection in a compact UI.
       
     
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        Decoding H264 and YUV420P playback
         Using libav to demux and playback with OpenGL.
       
     
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        Fast Fourier Transform
         Analyse your audio using the Fastest Fourier Transform in the West.
       
     
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        OpenGL Rim Shader
         Pretty glowy edges using a GLSL rim shader.
       
     
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        Rendering The Depth Buffer
         Render the non-linear OpenGL Depth Buffer.
       
     
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        Delaunay Triangulation
         Do you need to triangulate some shape: use the “Triangle” library.
       
     
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        RapidXML
         RapidXML is a versatile and fast XML parser with a simple API. Check out these examples.
       
     
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        Git Snippets
         Some simple GIT snippets; added here to remind myself.
       
     
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        Basic Shading With OpenGL
         A couple of basic GLSL shaders with explanation.
       
     
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        Open Source Libraries For Creative Coding
         Collection of great open source libraries for you creative programming projects.
       
     
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        Bouncing particle effect
         Snippet that can be used to create a bouncy particle effect; basic, effective, simple but nice.
       
     
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        OpenGL Instanced Rendering
         Want to render thousands and thousands of objects? Use OpenGL instanced rendering. The solution...the only solution.
       
     
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        Mapping a texture on a disc
         Ever heard about projective interpolation related to texture mapping? Learn about this intertesting issue with OpenGL and texture mapping.
       
     
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        Download HTML page using CURL
         When you want a quick solution to perform a HTTP(S) request CURL is always a quick an simple solution. Check out this example code.
       
     
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        Height Field Simulation on GPU
         Although not a Navier-Stokes implementation ... still a very nice and enjoyable effect.
       
     
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        OpenCV
         Optical Flow: when doing anything with tracking you've probably heard of it. See this simple example code using OpenCV and OpenGL.
       
     
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        Some notes on OpenGL
         FBOs and Depth Testing, using different Attachment Points, a YUV420p shader, ...
       
     
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        Math
         Meaning of the Dot Product in 3D graphics, calculating a perpendicular vector using Sam Hocevar's solution, orientation matrix and more.
       
     
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        Gists to remember
         Some gists that I want to remember, often use, etc...
       
     
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        Reverse SSH
         Do you want to login, into a remote PC but the remote PC is behind a firewall? Then use this simple reverse SSH trick which doesn't require changing your firewall rules.
       
     
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        Working Set
         Having issues with your compiler? Or during linking? Check these common issues and their solutions. I also list several tools that you can use to get a some useful info.
       
     
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        Consumer + Producer model with libuv
         Example of a common Multi Threaded Consumer/Producer Model using LibUV.
       
     
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        Parsing binary data
         Learn about the basic of a binary protocol and how to create one easily yourself.
       
     
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        C++ file operation snippets
         Reading a file into a string, vector, checking the file size, change to a position, etc. A collection of C++ file operation snippets.
       
     
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        Importance of blur with image gradients
         Do you want to experiment with OpenGL and aligning Brush Strokes along Image Gradients? Then check out this post about the importance of blurring.
       
     
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        Real-time oil painting with openGL
         Code snippet for fake "oil painting" effect with OpenGL using instanced rendering.
       
     
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        x264 encoder
         Basic example on how to use libx264 to encode image data using libav
       
     
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        Generative helix with openGL
         Screenshots of a project I worked on with that generates a DNA helix.
       
     
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        Mini test with vector field
         Screenshots while experimenting with a vector field; nothing much to see here.
       
     
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        Protractor gesture recognizer
         Testing the amazing One Dollar $1 gesture recognizer. The simplest and very good gesture recognizer.
       
     
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        Hair simulation
         Example code that implements the "Fast Simulation of Inextensible Hair and Fur" paper from M. Müller, T.Y. Kim and N.Chentanez.
       
     
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        Some glitch screenshots
         Glitch screenshots.
       
     
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        Working on video installation
         Screenshots of some experiments of a video installation.
       
     
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        Generative meshes
         I enjoy creating physics based simulations and render them on high res. Here are some experiments I did a time ago.
       
     
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        Converting video/audio using avconv
         Examples that show you how to use avconv to manipulate video and audio files.
       
     
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        Auto start terminal app on mac
         Automatically start you application whe Mac boots and make sure that it restarts your app when it exists. Handy for interactive installations.
       
     
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        Export blender object to simple file format
         Export the selected object in Blender into a .h and .cpp file that prepresents the buffer.