From be02868d750d1924b53571fb338998e29c8c1418 Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuv.adm@gmail.com>
Date: Mon, 21 May 2012 15:31:22 +0300
Subject: added optional extra draw constants

---
 lsys.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lsys.js b/lsys.js
index ffa4479..9a027e7 100644
--- a/lsys.js
+++ b/lsys.js
@@ -1,7 +1,8 @@
-function LSystem(axiom, rules) {
+function LSystem(axiom, rules, draw_constants) {
   this.axiom = axiom;
   this.rules = rules;
   this.tree = axiom;
+  this.draw_constants = draw_constants || [];
 
   this.iterate = function(n) {
     for (var i=0; i<n; i++) {
@@ -32,6 +33,10 @@ function LSystem(axiom, rules) {
 
     for (var i=0; i<this.tree.length; i++) {
       var c = this.tree.charAt(i);
+
+      if (this.draw_constants.indexOf(c) != -1) {
+        c = 'F';
+      }
       switch(c) {
         case '+':
           U += alpha;
-- 
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