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Effects Simulation

aivrar edited this page Oct 8, 2026 · 2 revisions

All effects · Using controls · Palettes

Generated from the running app by node tools/build-wiki-reference.mjs. Values are base defaults, before presets or audio modulation. Select values are zero-based indices in saved data; the UI shows labels. Ranges use the app’s stored units; controls marked as percentages may display a scaled value.

Reaction-Diffusion

True Gray-Scott reaction-diffusion with stateful ping-pong chemical buffers

Effect ID: reaction_diffusion. CPU fallback declared: no. A declared fallback is a reduced compatibility path, not a promise of parity with GPU output.

Control / ID Default Range or choices Step
Feed Rate · feed 0.055 0.01 to 0.1 0.001
Kill Rate · kill 0.062 0.03 to 0.08 0.001
Speed · speed 1 0.5 to 5 0.5
Color · color_mode Chemical (0) Chemical; Rainbow; Heat; Neon —

Game of Life

True stateful Conway cellular automata with ping-pong buffer history

Effect ID: game_of_life. CPU fallback declared: no. A declared fallback is a reduced compatibility path, not a promise of parity with GPU output.

Control / ID Default Range or choices Step
Speed · speed 0.8 0.1 to 3 0.1
Scale · scale 40 10 to 100 5
Rule Variation · rule_variation 0.3 0 to 1 0.05
Color · color_mode Rainbow Trail (0) Rainbow Trail; Green Matrix; Neon; Classic —

Physarum

Slime-mould simulation: hundreds of thousands of agents weave a living network of glowing veins

Effect ID: physarum. CPU fallback declared: no. A declared fallback is a reduced compatibility path, not a promise of parity with GPU output.

Control / ID Default Range or choices Step
Agents · agents 262K (1) 65K; 262K; 1M —
Start Shape · start Scattered (0) Scattered; Circle Inward; Ring; Centre Burst —
Sensor Angle · sensor_angle 0.78 0.1 to 1.5 0.01
Sensor Reach · sensor_dist 20 2 to 40 0.5
Turn Speed · turn_speed 0.3 0.05 to 1 0.01
Move Speed · move_speed 1.5 0.2 to 4 0.05
Wander · wander 0.05 0 to 0.5 0.01
Deposit · deposit 1 0.1 to 5 0.05
Trail Decay · decay 0.93 0.8 to 0.995 0.005
Diffusion · diffuse 0.4 0 to 1 0.01
Sim Steps / Frame · steps 1 1 to 4 1
Trail Resolution · resolution Half (0) Half; Three Quarters; Full —
Brightness · brightness 1 0.2 to 4 0.01
Contrast · contrast 1 0.4 to 2.5 0.01
Palette · palette Slime Gold (0) Slime Gold; Bioluminescent; + 71 shared palettes —
Beat Reaction · audio_react 1 0 to 2 0.01

Fluid Ink

A real fluid simulation: swirling coloured ink poured and pushed around in water. Stir it with the mouse.

Effect ID: fluid_ink. CPU fallback declared: no. A declared fallback is a reduced compatibility path, not a promise of parity with GPU output.

Control / ID Default Range or choices Step
Ink Sources · emitters 3 1 to 6 1
Push Force · force 1 0 to 3 0.01
Stream Size · splat_size 1 0.2 to 3 0.01
Source Motion · motion 1 0 to 3 0.01
Swirl (Vorticity) · swirl 1 0 to 2 0.01
Flow Persistence · persistence 0.99 0.9 to 1 0.001
Ink Persistence · ink_fade 0.985 0.9 to 1 0.001
Gloss · shading 0.6 0 to 1 0.01
Brightness · brightness 1 0.3 to 2.5 0.01
Simulation Detail · resolution Medium (1) Low; Medium; High —
Ink Colours · palette Rainbow Cycle (0) Rainbow Cycle; Ink & Gold; Neon; Pastel; + 71 shared palettes —
Beat Reaction · audio_react 1 0 to 2 0.01

Lenia

Continuous cellular automata: smooth, organic creatures that glide, pulse and divide

Effect ID: lenia. CPU fallback declared: no. A declared fallback is a reduced compatibility path, not a promise of parity with GPU output.

Control / ID Default Range or choices Step
Rule · rule SmoothLife (gliders) (0) SmoothLife (gliders); Lenia (smooth ring) —
Creature Size · radius 15 6 to 24 1
Steps / Second · speed 24 4 to 60 1
Lenia Sweet Spot · mu 0.15 0.05 to 0.4 0.001
Lenia Growth Width · sigma 0.017 0.005 to 0.08 0.0005
Lenia Time Step · time_step 0.1 0.02 to 0.3 0.005
Seed Rain · seed_rain 1 0 to 3 0.05
World Size · resolution Medium (1) Small; Medium; Large —
Brightness · brightness 1.2 0.5 to 3 0.01
Glow · glow 1 0 to 2 0.01
Palette · palette Bioluminescent (0) Bioluminescent; Ember; Ink on Paper; + 71 shared palettes —
Beat Reaction · audio_react 1 0 to 2 0.01

Curl-Noise Silk

Hundreds of thousands of particles flowing through swirling curl noise, leaving silky long-exposure trails

Effect ID: curl_silk. CPU fallback declared: no. A declared fallback is a reduced compatibility path, not a promise of parity with GPU output.

Control / ID Default Range or choices Step
Particles · particles 262K (1) 65K; 262K; 1M —
Particles Start From · spawn A Circle (1) Everywhere; A Circle; A Line; The Sides —
Swirl Size · flow_scale 2 0.5 to 8 0.05
Flow Speed · speed 1 0 to 3 0.01
Turbulence · turbulence 0.5 0 to 1.5 0.01
Field Change · evolve 0.3 0 to 2 0.01
Exposure Length · trail 0.985 0.8 to 0.998 0.001
Particle Life (sec) · life 6 1 to 20 0.5
Brightness · brightness 1 0.2 to 4 0.01
Colour By · color_by Direction (0) Direction; Particle; Position —
Palette · palette Silk (0) Silk; Neon; Fire; Ice; + 71 shared palettes —
Beat Reaction · audio_react 1 0 to 2 0.01

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