Christian Motz

Christian Motz

The goal of this work was to produce a visual narrative that amplified the musical experience of Harry Dean Lewis and his band in the Deep Space 8K, and in doing so challenge myself to learn new tools such as TouchDesigner in a duo with Visual Artist Florian Klammer.

Going beyond pre-rendered videos, we decided to design a bespoke sequence of visual experiences, navigating between real-time audio-reactive elements and timecoded explorations of 3D scenes. For each song, we conceived and produced a matching visual experience, using TouchDesigner both for the production and the performance.

Electric Fizz - Chemical Dreams

Working in Ars Electronica’s Deep Space 8K, the monumental surface offered the opportunity for some interplay between the music and the organic processed of our natural world. As a highlight, to accompany “Electric Fizz”, I designed a custom visualization, based on a Reaction-Diffusion chemical reaction using the Gray Scott model. The organic behaviour of the reaction was postprocessed into a 4K visual experience, envelopping and amplifying the musical creation of Harry Dean Lewis and his band.

Technical Approach

Based on the Gray Scott Model, I implemented a series of three shaders in GLSL:

  1. The reaction-diffusion loop
  2. A gradient extraction step
  3. A color assignment step
Capture of the output of this reactions

Alexandre A. Bizri

Capture of the output of this reactions

Alexandre A. Bizri

Authors

  • Alexandre A. BizriConcept, visual art, shader programming

  • Florian KlammerConcept, visual art, 3D modelling

See also

  1. Harry Dean Lewis's webpage
  2. TouchDesigner's product page
  3. Deep Space 8K
  4. Explanation Gray Scott Model by MIT's CSAIL