Preparing the GPU…
Halation
Drop an image to use it as the flow source
0.0s —
Keyboard shortcuts
Space
Play / pause
S
Download image
C
Copy image to clipboard
R
Surprise me (randomize all)
← →
Step one frame (hold Shift for 1 s)
1–9
Jump to a built-in look
H
Hide / show the interface
F
Fullscreen
Ctrl Z
Undo (Shift for redo)
Drag canvas
Pan the flow (or paint, in Fluid mode)
Scroll canvas
Zoom the flow
Double-click label
Reset that control
Drag a number
Scrub its value (Shift = fine)

Halation is free software under the AGPL-3.0 · Source code · User guide