//Michael Shaub
//August 19, 2007
//----------------------------------
//Based on code by Daniel Shiffman
//----------------------------------
class Turtle {
  
 String todo;
 float len;
 float theta;
 float tempLen;
 
 Turtle(String s, float l, float t) {
   todo = s;
   len = l; 
   theta = t;
 } 
 
 void render() {
   strokeWeight(1.5);
   stroke(0,255,0);
   for (int i = 0; i < todo.length(); i++) {
     char c = todo.charAt(i);
     println("char c = "+ c);
     if(i < todo.length()-1){
     char d = todo.charAt(i+1);
     println("char d = "+ d);
     if (c == 'F' && d == 'X' || c == 'X' && d == 'F') {
       tempLen = len*lenX;
       println("tempLen = "+ tempLen);
     }else{
       tempLen = len;
     }
     }else{
       tempLen = len;
     }
     if (c == 'F') {
       line(0,0,tempLen,0);
       translate(tempLen,0);
     } else if (c == '+') {
       rotate(theta);
     } else if (c == '-') {
       rotate(-theta);
     } else if (c == '[') {
       pushMatrix();
     } else if (c == ']') {
       popMatrix();
     }
   } 
 }
 
 void setLen(float l) {
   len = l; 
 } 
 
 void changeLen(float percent) {
   len *= percent; 
 }
 
 void setToDo(String s) {
    todo = s; 
 }
  
}