Files
celery/templates/scan-oscillating-spin.sexp
giles bb458aa924 Replace batch DAG system with streaming architecture
- Remove legacy_tasks.py, hybrid_state.py, render.py
- Remove old task modules (analyze, execute, execute_sexp, orchestrate)
- Add streaming interpreter from test repo
- Add sexp_effects with primitives and video effects
- Add streaming Celery task with CID-based asset resolution
- Support both CID and friendly name references for assets
- Add .dockerignore to prevent local clones from conflicting

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-02-02 19:10:11 +00:00

29 lines
935 B
Common Lisp

;; Oscillating Spin Scan
;;
;; Accumulates rotation angle on each beat, reversing direction
;; periodically for an oscillating effect.
;;
;; Required context:
;; - music: audio analyzer from (streaming:make-audio-analyzer ...)
;;
;; Provides scan: spin
;; Bind with: (bind spin :angle) ;; cumulative rotation angle
;;
;; Behavior:
;; - Rotates 14.4 degrees per beat (completes 360 in 25 beats)
;; - After 20-30 beats, reverses direction
;; - Creates a swinging/oscillating rotation effect
;;
;; Usage:
;; (include :path "../templates/scan-oscillating-spin.sexp")
;;
;; In frame:
;; (rotate frame :angle (bind spin :angle))
(scan spin (streaming:audio-beat music t)
:init {:angle 0 :dir 1 :left 25}
:step (if (> left 0)
(dict :angle (+ angle (* dir 14.4)) :dir dir :left (- left 1))
(dict :angle angle :dir (* dir -1)
:left (+ 20 (mod (streaming:audio-beat-count music t) 11)))))