From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 7 Nov 2017 16:07:53 +0000 (+0000)
Subject: mesh: fix polygon rotation offset for wire
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=a1ce49d77f0df348bd62a7937c2af0ebf3590b20;p=moebius3.git

mesh: fix polygon rotation offset for wire

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/meshscad b/meshscad
index 85b03a1..c043e68 100755
--- a/meshscad
+++ b/meshscad
@@ -63,7 +63,7 @@ def make_moebius(objname):
   for v in range(0, nv):
     for w in range(0, nw+1):
       for s in range(0, ns):
-        sigmas = [ (s + sx + 0.)/ns * tau for sx in 0,1 ]
+        sigmas = [ (s + sx + 0.5)/ns * tau for sx in 0,1 ]
         #print('VWS',v,w,s, sigmas, file=sys.stderr)
         if not w % each_w:
           extents[w % nw].quad([ cnr for cnr in qc(v,w,sigmas,False) ])