​

  constructor(x, y, r, factor, total) {

    this.x = x; // x pos

    this.y = y; // y pos  

    this.r = r; // radius

    this.factor = factor; // multiplication factor 2 3 4 etc

    this.total = total; // total number of points for lines

  }

​

  drawIt() {

    push();  // needed to add push and pop for multiple instantiations.

    translate(this.x+this.r, this.y+this.r);

    stroke(255);

    noFill();

    ellipse(0, 0, this.r * 2); // draws a circle at origin

​

​

    //stroke(random(255),random(255),random(255),150);

​

    for (let i = 0; i < this.total; i++) {

      let ax = polar2cartX(i, this.total,this.r);

      let ay = polar2cartY(i, this.total, this.r);

      let bx = polar2cartX(i * this.factor, this.total, this.r);

      let by = polar2cartY(i * this.factor, this.total, this.r);

      stroke(0,255,0,150);

      line(ax, ay, bx, by);

​

    }

    pop();

    // functions for drawIt() method must be inside the method itself. also functions cannot have the this. stuff so you must pass them in arguments

    function polar2cartX(index, total, r) {

    let angle = map(index % total, 0, total, 0, TWO_PI); // get the angle as as circle divided by total points

    let x = r * cos(angle); // cah cosine = adg/hpy, trig function r is hypot

    return x;

  }

​

  function polar2cartY(index, total,r) {

    let angle = map(index % total, 0, total, 0, TWO_PI); // get the angle as as circle divided by total points

    let y = r * sin(angle); // soh sine=opp/hyp, trig function r is hypot

    return y;

  }

​

  }

}