crop-mark-corner-draw

Purpose

Render and animate the drawing-on of four L-shaped corner brackets at the canvas corners. Creates a "film print" / "magazine spread" visual frame around the content. Once drawn, the marks stay static for the rest of the spot.

Params

{
  "size_px": 60,
  "stroke_width_px": 3,
  "stroke_color": "#1F1F1F",
  "offset_from_edge_px": 80,             // distance from canvas edge

  "draw_duration_per_corner_frames": 14,
  "per_corner_stagger_frames": 3,
  "draw_order": ["top-left", "top-right", "bottom-right", "bottom-left"],