def segments

gralha-svg-render@0.1.0.1 · svg.bend:1279

import Base

1279def segments(+points: List<&2, Point>, +distance: F32) -> List<&2, Segment>:
1280  match points:
1281    case Nil{}: Nil{}
1282    case Con{p, Nil{}}: Nil{}
1283    case Con{p, Con{q, rest}}:
1284      +len = point.distance(p, q)
1285      Con{segment.of(p, q, point.unit(point.sub(q, p)), len, distance), segments(Con{q, rest}, (distance + len : F32))}