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Import L1 (celery) as l1/

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giles
2026-02-24 23:07:19 +00:00
parent 3ca1c14432 80c94ebea7
commit 4dff4cfafb
225 changed files with 57298 additions and 0 deletions
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17
l1/sexp_effects/effects/swirl.sexp Normal file
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;; Swirl effect - spiral vortex distortion
(require-primitives "geometry" "image")
(define-effect swirl
:params (
(strength :type int :default 1 :range [-10 10])
(radius :type float :default 0.5 :range [0.1 2])
(center_x :type float :default 0.5 :range [0 1])
(center_y :type float :default 0.5 :range [0 1])
(falloff :type string :default "quadratic")
)
(let* ((w (image:width frame))
(h (image:height frame))
(cx (* w center_x))
(cy (* h center_y))
(coords (geometry:swirl-coords w h strength radius cx cy falloff)))
(geometry:remap frame (geometry:coords-x coords) (geometry:coords-y coords))))