Files
test/sexp_effects/effects/rotate.sexp
gilesb 406cc7c0c7 Initial commit: video effects processing system
Add S-expression based video effects pipeline with modular effect
definitions, constructs, and recipe files.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-19 12:34:45 +00:00

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260 B
Common Lisp

;; Rotate effect - rotates image
;; @param angle float [-360, 360] default 0
;; @param speed float default 0 - rotation per second
(define-effect rotate
((angle 0) (speed 0))
(let ((total-angle (+ angle (* speed t))))
(rotate-img frame total-angle)))