class AcidRing {

  PVector pos;
  float radius;
  float precision;
  float step;
  float angle;

  AcidRing(PVector _pos, float _radius, float _precision, float _angle) {
    pos = _pos.copy();
    radius = _radius;
    precision = _precision;
    angle = _angle;
  }

  void run() {
    int bsize = player.bufferSize();
    step = bsize/precision;
    pushMatrix();
    translate(pos.x, pos.y);
    rotate(angle);
    beginShape();
    noFill();
    stroke(170, 117, 67, 200);
    strokeWeight(2);
    for (int i = 0; i < precision; i++) {
      float x = cos(map(i, 0, precision, 0, HALF_PI)) * (radius + player.left.get(floor(map(i, 0, precision, 0, bsize)))*100);
      float y = sin(map(i, 0, precision, 0, HALF_PI)) * (radius + player.left.get(floor(map(i, 0, precision, 0, bsize)))*100);
      vertex(x, y);
    }
    endShape();
    popMatrix();
  }
}