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Merges full history from art-dag/mono.git into the monorepo under the artdag/ directory. Contains: core (DAG engine), l1 (Celery rendering server), l2 (ActivityPub registry), common (shared templates/middleware), client (CLI), test (e2e). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> git-subtree-dir: artdag git-subtree-mainline:1a179de547git-subtree-split:4c2e716558
21 lines
871 B
Common Lisp
21 lines
871 B
Common Lisp
;; Kaleidoscope effect - mandala-like symmetry patterns
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(require-primitives "geometry" "image")
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(define-effect kaleidoscope
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:params (
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(segments :type int :default 6 :range [3 16])
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(rotation :type int :default 0 :range [0 360])
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(rotation_speed :type int :default 0 :range [-180 180])
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(center_x :type float :default 0.5 :range [0 1])
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(center_y :type float :default 0.5 :range [0 1])
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(zoom :type int :default 1 :range [0.5 3])
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)
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(let* ((w (image:width frame))
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(h (image:height frame))
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(cx (* w center_x))
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(cy (* h center_y))
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;; Total rotation including time-based animation
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(total_rot (+ rotation (* rotation_speed (or _time 0))))
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(coords (geometry:kaleidoscope-coords w h segments total_rot cx cy zoom)))
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(geometry:remap frame (geometry:coords-x coords) (geometry:coords-y coords))))
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