class Segment{
  Node start;
  Node end;
  float length;
  color c;
  
  Segment(){
    start = new Node();
    end = new Node();
    length = 0.0f;
    c=color(0,20);
    }
    
   Segment(Vec3D pStart, Vec3D pEnd){
     this.start = new Node(pStart);
     this.end = new Node(pEnd);
     start.add(end);
     end.add(start);     
     this.length = pStart.distanceTo(pEnd);
     this.c=color(0,20);
     }
     
     void draw(){
       stroke(c);
       line(start.position.x,start.position.y,start.position.z,end.position.x,end.position.y,end.position.z);
       
       }
  
  
  
  
  }