def outline.arc
import gralha-svg-render@0.1.0.1/svg.bend as Svgimport Base
1452# n points from `angle` on, `step` apart, prepended in order.
1453def outline.arc(n: Nat, +c: Point, +r: F32, +angle: F32, +step: F32, acc: List<&2, Point>) -> List<&2, Point>:
1454 match n:
1455 case 0n: acc
1456 case 1n+d: outline.arc(d, c, r, (angle + step : F32), step, Con{point.add(c, Point{(r * F32.cos(angle) : F32), (r * F32.sin(angle) : F32)}), acc})