TrackStar_Path

class Path {

  ArrayList<Vec3D> points;
  float radius = 20; //path Radius

  Path() {
    points = new ArrayList<Vec3D>();
  }
  void addPoint(float x, float y) {   
    Vec3D point = new Vec3D(x, y, 0);
    points.add(point);
  }
  //-------------------------------------------------------------------------------------------
  //---------------------------------------Draw the Path---------------------------------------
  //-------------------------------------------------------------------------------------------
  void display() {
    // Draw thin line for center of path
    stroke(255);
    strokeWeight(1);
    noFill();
    beginShape();
    for (Vec3D v : points) {
      vertex(v.x, v.y);
    }
    endShape();
  }
}