aura

A soft glow of melting inks. Each ink owns a warped noise field. Every pixel mixes all inks, weighted by how strong each field is there, so the inks bleed into tints with no hard edge. The field is painted on a small buffer and scaled up smooth.

aura renders a Still: one frame. Its site page is playgrnd.tools/aura.

Still

Seed 4, rendered by:

tirage derive --seed 4 --tool aura | tirage render --size 540x960 -o aura.png

Parameters

As tirage tools lists them, each with its range and step, or its choices:

aura  1 frame
  styles      Auto, Clouds, Mesh, Sweep
  scale       0.5..=2   step 0.05
  churn       0..=1     step 0.01
  punch       0..=1     step 0.01
  ditherTog   on/off
  dthKinds    Bayer 8, Bayer 4, Noise
  dthSize     1..=10    step 1
  dthLevels   2..=8     step 1
  dthAmount   0..=1     step 0.05
  grainTog    on/off
  grnBlends   Add, Overlay, Soft light, Multiply, Screen
  grnAmount   0..=1     step 0.05
  grnSize     0.5..=4   step 0.1
  grnSpecks   0..=1     step 0.05
  grnVignette 0..=1     step 0.05

A Seed draws styles, scale, churn and punch. Each range comes from its Taste bounds, which sit within the range listed. Dither and grain stay off.