splitPolygon function
dynamic
splitPolygon(
- dynamic a,
- dynamic b
Implementation
splitPolygon(a, b) {
var a2 = Node(a.i, a.x, a.y),
b2 = Node(b.i, b.x, b.y),
an = a.next,
bp = b.prev;
a.next = b;
b.prev = a;
a2.next = an;
an.prev = a2;
b2.next = a2;
a2.prev = b2;
bp.next = b2;
b2.prev = bp;
return b2;
}