Playgrounds.
A working notebook on visual materiality — interactive GLSL sketches. Move the cursor over each tile to interact.
Iridescence
Thin-film interference · gloss perception
Caustics
Wavefront focusing · light through fluid
Subsurface
Translucency · skin / silicone · move cursor
Thermal
Heat field · hand–object contact · move cursor
Rough Surface
Microfacet BRDF · drag cursor to move light
Kohei Miura© Kohei Miura · 2026