Make reading easier.
Dyslexia-friendly uses OpenDyslexic with Atkinson Hyperlegible fallback.
'Auto' follows your device's reduce-motion setting.
Perfect for classrooms. A teacher can share the link ?mute=1 to pre-mute the class.
Boost contrast for low vision, or swap success green to amber for red-green colorblindness.
How Byte talks to you. Doesn't change the code, just the vibe.
▸ tap the pond
A pixel orrery. Two dozen tiny planets glide around a yellow sun, each one pulled in by the same single rule Newton wrote down in 1687: gravity falls off as one over distance squared. Tap or drag anywhere on the canvas to drop a brand-new planet at your finger and watch it find its own orbit. The screen caps out at fifty.
Each planet has a position and a velocity. Every frame we point a vector from the planet to the sun, scale it by SUN_MU / r^2 to get the gravitational acceleration, and integrate forward in time with semi-implicit Euler over four sub-steps. A small softening length keeps the math finite when a planet grazes the sun.
Newton's universal law of gravitation, the same one rule that holds the Moon around Earth, Earth around the Sun, the Sun around the galaxy, and gives us Kepler's three laws of planetary motion as a free side effect.
Every VibeBoy lab paints with these 16 colors — the same palette PICO-8 made famous. Constraints are what make pixel art feel like pixel art.
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