import processing.opengl.*;
import anar.*;
 
 
 
 
 
 
/*
 * Example for Anar library by Guillaume LaBelle + Julien Nembrini
 * http://anar.ch
 */
 
 
Pts         pts = new Pts();
 
Pt          turtle;
Transform[] T;
 
Sliders     mySlide;
 
void setup(){
    size(1000,500,OPENGL);
  Anar.init(this);
 
  Anar.drawAxis();
  initForm();
}
 
 
void initForm(){
 
  T = new Transform[6];
 
  T[0] = new Translate(10,0,0);
  T[1] = new Translate( -10,0,0);
  T[2] = new Translate(0,10,0);
  T[3] = new Translate(0, -10,0);
  T[4] = new Translate(0,0,10);
  T[5] = new Translate(0,0, -10);
 
  turtle = Anar.Pt(0,0,0);
 
  pts = new Pts();
  pts.add(turtle);
 
  pts.stroke(255,0,0);
 
  for (int i = 0; i<100; i++)
    step();
 
  mySlide = new Sliders(pts);
}
 
void step(){
  // add new point from turtle using random translation
  Pt next = Anar.Pt(turtle,T[(int)random(6)]);
 
  pts.add(next);
  turtle = next;
 
  Anar.camTarget(pts);
}
 
void draw(){
  background(153);
  pts.draw();
  mySlide.draw();
}
 
 
void keyPressed(){
  if(key==' '){
    step();
  }
  if(key=='r'){
    initForm();
  }
}