begin 18

achtzehn.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+from useful import *
+
+dirind = {'U': (-1, 0),
+        'D': (1, 0),
+        'L': (0, -1),
+        'R': (0, 1)}
+
+def parse(l):
+    rection, distance, pcolor = l.strip().split()
+    return np.asarray(dirind[rection]), int(distance), pcolor
+
+guide = [parse(l) for l in lines(open(0))]
+edges = []
+head = np.asarray((0, 0))
+for rection, distance, _ in guide:
+    tail = head
+    head = head + rection * distance
+    edges += [(tail, head)]
+ic(edges)

test18

@@ -0,0 +1,14 @@
+R 6 (#70c710)
+D 5 (#0dc571)
+L 2 (#5713f0)
+D 2 (#d2c081)
+R 2 (#59c680)
+D 2 (#411b91)
+L 5 (#8ceee2)
+U 2 (#caa173)
+L 1 (#1b58a2)
+U 2 (#caa171)
+R 2 (#7807d2)
+U 3 (#a77fa3)
+L 2 (#015232)
+U 2 (#7a21e3)