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2013/08/18

spxl experiments

spxl experiments | Road To Hell | Slider-controlled from subpixel on Vimeo.

http://subpixels.com - OpenGL shader experiment with Praxis LIVE (http://www.praxislive.org)

Implementation of the "Road to Hell" shader (https://www.shadertoy.com/view/Mds3Rn) by rez (https://www.shadertoy.com/user/rez) as a video:opengl:filter component, with a few tweaks to allow the shader to be controlled by external parameters.

The parameters are MIDI mapped, with MIDI data coming from my Korg nanoKONTROL (using 5 of the sliders).

The output window is captured as an OpenGL source into XSplit Broadcaster, which is what I used to do the local recording.

Apologies that this is only 360p video - I wanted to keep the frame rate up to show the audio-reactivity clearly.

spxl experiments | Road To Hell | FFT-controlled from subpixel on Vimeo.

http://subpixels.com - OpenGL shader experiment with Praxis LIVE (http://www.praxislive.org)

Implementation of the "Road to Hell" shader (https://www.shadertoy.com/view/Mds3Rn) by rez (https://www.shadertoy.com/user/rez) as a video:opengl:filter component, with a few tweaks to allow the shader to be controlled by external parameters.

The parameters are MIDI mapped, with MIDI data coming from an external program that does FFT audio analysis and a hardware knob (on my Korg nanoKONTROL) for the forwards/backwards "speed".

The output window is captured as an OpenGL source into XSplit Broadcaster, which is what I used to do the local recording.

Apologies that this is only 360p video - I wanted to keep the frame rate up to show the audio-reactivity clearly.

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