;; Kaleidoscope effect - mandala-like symmetry patterns
(require-primitives "geometry" "image")

(define-effect kaleidoscope
  :params (
    (segments :type int :default 6 :range [3 16])
    (rotation :type int :default 0 :range [0 360])
    (rotation_speed :type int :default 0 :range [-180 180])
    (center_x :type float :default 0.5 :range [0 1])
    (center_y :type float :default 0.5 :range [0 1])
    (zoom :type int :default 1 :range [0.5 3])
  )
  (let* ((w (image:width frame))
         (h (image:height frame))
         (cx (* w center_x))
         (cy (* h center_y))
         ;; Total rotation including time-based animation
         (total_rot (+ rotation (* rotation_speed (or _time 0))))
         (coords (geometry:kaleidoscope-coords w h segments total_rot cx cy zoom)))
    (geometry:remap frame (geometry:coords-x coords) (geometry:coords-y coords))))
