code: public void set(Vector3D v1, Vector3D v2, Vector3D v3, Vector3D v4) {
          this.points[0] = (float)v1.getX();
          this.points[1] = (float)v1.getY();
          this.points[2] = (float)v1.getZ();
          this.points[3] = (float)v2.getX();
          this.points[4] = (float)v2.getY();
          this.points[5] = (float)v2.getZ();
          this.points[6] = (float)v3.getX();
          this.points[7] = (float)v3.getY();
          this.points[8] = (float)v3.getZ();
          this.points[9] = (float)v4.getX();
          this.points[10] = (float)v4.getY();
          this.points[11] = (float)v4.getZ();
          set();
      }
docs: Sets coordinates for the anchor and control points.
  
  @param v1 The coordinates for the first anchor point.
  @param v2 The coordinates for the first control point.
  @param v3 The coordinates for the second control point.
  @param v4 The coordinates for the second ancor point.