Spongerooms, part 2. The same yellow corridor carved out of an infinite Menger sponge, raymarched in a single GLSL shader. You walk past an ivory and ebony yin-yang, and at the second intersection the floor is missing. You stop at the edge, look down, and step off. A new level of corridors passes every second as you fall, and space bends harder the deeper you go.
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A new WebGL experiment: an endless hallway raymarched in a single GLSL shader. The architecture is an infinite Menger sponge, so every few steps you cross a side corridor and a vertical shaft, and the yellow, water-stained walls are punched through with smaller and smaller square holes. Hewn ivory and ebony yin-yangs turn at each intersection, and every twenty seconds space curves negatively and the hallway stretches away from you.
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Scale, rotation, and orbit each move on their own slow clock. Scale hovers between 0.25 and 1.5. Rotation still follows the angle around the origin, and the orbits stay chaotic. The copies are weighted by angle and mixed with the brightest overlap. The effect remains strongest in the dark.
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Here color and position are one object: a five-vector (r, g, b, x, y) mapped into itself. One transform rotates the (x, r) and (y, g) planes; another folds position together with luminance. The frame averages those maps with the seed sampled at the new (x, y).
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Eight affine maps act from the moon: scale drifts 0.25–1.1 with sin² at harmonic frequencies, and rotation sweeps −π to π on a slower sine. Each affine result is then sent through the two hyperbolic maps, which hover near the identity most of the time and only briefly intensify.
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The seed is the forest-and-moon photograph. Two mild hyperbolic maps (the classic Draves hyperbolic and its dual) warp the plane around the moon, each mixed only 10% with the identity so the picture stays close to itself. Those maps are applied twice and averaged.
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Six translucent hyperboloid sheets ride the Lorenz attractor, each carried by its own chaotic orbit and rolling slowly around its direction of travel. A pale tracer draws the attractor’s path behind them while the whole scene turns on a slow yaw. This piece was the site’s homepage until October 2026.
