From cba7619c71b6d23795fe76f27e30050707843a23 Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuv.adm@gmail.com>
Date: Tue, 22 May 2012 19:31:43 +0300
Subject: do not push null geometries

---
 lsys.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lsys.js b/lsys.js
index 9a027e7..f492f84 100644
--- a/lsys.js
+++ b/lsys.js
@@ -75,7 +75,9 @@ function LSystem(axiom, rules, draw_constants) {
           geometry = [[x,y,z]];
           break;
         case ']':
-          coords.push(geometry);
+          if (geometry.length > 1) {
+            coords.push(geometry);
+          }
           geometry = stack.pop();
           U = stack.pop();
           L = stack.pop();
-- 
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