Lenia Continuous Life illustration

Lenia Continuous Life

Lenia, devised by Bert Chan in 2019, is Conway’s Game of Life set free into continuous space, time and state. Instead of live-or-dead cells, a smooth field takes any value from 0 to 1; instead of counting eight neighbours, each cell convolves the field with a soft ring-shaped kernel to measure its surroundings, and a bell-shaped growth function nudges the value up or down by a small time step. From this recipe emerge astonishingly organism-like patterns that pulse, rotate and swim. Load the canonical Orbium glider and watch it self-propel across the grid, paint your own smooth blobs of matter, or seed continuous noise and see what crystallises. Sliders control the growth centre μ, growth width σ, kernel radius R and the time step; a teal-to-gold glow renders the field and the total population is reported live. Export any frame as a PNG.

Runs 100% in your browser — simulations are computed locally on your device.

Notes

  • Lenia generalises the Game of Life to continuous values, space and time (Bert Chan, 2019): the next state is the current field plus a small step of a Gaussian growth mapping applied to a kernel convolution, G(u) = 2·exp(−(u−μ)²/2σ²) − 1.
  • The Orbium is Lenia’s emblematic glider — a smooth, self-propelling soliton found at μ = 0.15, σ = 0.017, R = 13 — one of hundreds of stable lifeforms Chan and others have catalogued across the parameter space.
  • Tiny changes to μ, σ or the kernel radius bifurcate the dynamics between patterns that dissolve to nothing, settle into still shapes, or lock into moving and rotating creatures — the same edge-of-chaos richness that makes the discrete Game of Life so surprising.
  • Runs 100% in your browser — simulations are computed locally on your device.