Stefan Reyniers, working under the name Moodsoup, is a generative artist based in Antwerp, Belgium, who explores the tension between art and science.,Trained as a graphic designer and web developer, he has worked in creative coding for two decades, moving from Flash to Processing and later JavaScript and p5.js. His generative systems translate rules and patterns into digital stills, animations, long-form collections, pen plots and fine art prints.
Reyniers came to generative art from design rather than a technical background, teaching himself the programming side through self-study. He approaches code with the same attention to contrast, negative space, composition and colour he brings to graphic design. He treats the computer as a collaborator, embracing its unpredictability rather than trying to fully control it.
In Mitosis, code models the biological process of cell duplication and specialisation, rendered with techniques borrowed from architectural drawing so each piece reads at once as living tissue and as an architectural plan. The series uses twenty-five palettes named after biological and chemical processes such as photosynthesis, bioluminescence and redox reactions.For Interfaces, Reyniers joined a project funded by the German federal government's culture commissioner that translated motion-capture data from dance choreography into generative visuals, working alongside artists including Jonathan Barbeau.The project was exhibited at the Hannover Opera House in Germany in 2024.,
In 2025 Reyniers held a solo exhibition, “Moodsoup - Generative Art”, at Sint-Joris church in Antwerp, showing work from five collections including Monograph, Linea Recta and Mutual in dialogue with the church's geometric architecture.,His work appeared in the pen-plotter and drawing-machine art publication Tracing the Line, published by Vetro Editions.In 2024 his work was also shown at NXT Museum in Amsterdam, in a group exhibition curated by Vivid Gallery.