Raxol.
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A soft, non-directional shimmer along the entire perimeter.
Where :stroke is one bright comet sweeping clockwise, clouds is the
opposite: every perimeter cell is lit at all times, but each one's
intensity and color come from the sum of three sine waves at different
frequencies and directions. The result is an interference pattern --
brightness rolls and pools rather than sweeping. No single direction
reads as "forward."
No char replacement; only fg color and intensity. Reads as a calm,
passive ambient state -- pairs well with :listening or :idle
process indicators where motion would distract.
Surface support: terminal only. LiveView/MCP currently ignore non-stroke effect types.
Opts
:variant-- color palette (default:mono):duration_ms-- baseline period for the slowest wave (default 6000):strength-- 0.0-1.0 peak intensity (default 0.7):softness-- 0.0-1.0 how much intensity varies between cells (default 0.55; higher = more contrast between bright and dim spots)