L-systems: Difference between revisions

Revision as of 18:39, 30 December 2008

@@ Line 31: / Line 31: @@
 var t = new JSXTurtleObj(brd);
-function expander(level,axiom,rules) {
+function run() {
-    this.rules = rules;
+  brd.suspendUpdate();
-     this.source = (level>1) ? new expander(level-1,axiom,rules) : (new function(axiom) {
+  var code = $('inputtext').value;
+  if (code=='') { return; }
+  t.cs();
+  t.hideTurtle();
+  eval(code);
+  function expander(level) {
+     this.source = (level>1) ? new expander(level-1) : (new function() {
          // Axiom:
          this.code = axiom;
@@ Line 50: / Line 56: @@
              var pattern = this.source.next();
              if (!pattern) return null // Finished
-             this.code = this.rules[pattern];
+             this.code = rules[pattern];
          }
          return this.code[this.pos++];
      }
-}
+  }
+  var generator = new expander(level);
-function plotter(generator,symbols) {
+  function plotter(generator) {
      for (var c; c=generator.next(); c) {
          switch(symbols[c]) {
@@ Line 86: / Line 92: @@
      }
      return null;
-}
+  }
-function run() {
+   plotter(generator);
-  brd.suspendUpdate();
-  var code = $('inputtext').value;
-  if (code=='') { return; }
-  t.cs();
-  t.hideTurtle();
-  eval(code);
-  var generator = new expander(level,axiom,rules);
-   plotter(generator,symbols);
    brd.unsuspendUpdate();
 }