class Oscillator {

  constructor(offset) {

    this.angle = createVector();

    let angleOffset = map(offset, 0, 10, 0, PI/24);

    this.velocity = createVector(0.05 + angleOffset, 0.05 - angleOffset);

​

    this.amplitude = createVector(width/4, height/4);

    let noiseOffset = map(offset, 0, 10, 0, 2);

    this.t = noiseOffset;

  }

​

  oscillate() {

    this.angle.add(this.velocity);

    this.t += 0.01;

  }

​

  display() {

    // if (mouseIsPressed) {

    //   this.amplitude.x = 200;

    //   this.amplitude.y = 200;

    // } else {

    //   this.amplitude.x = 100;

    //   this.amplitude.y = 100;

    // }

    // what happens if you assign amplitude to sound levels?

    // this.amplitude.x = mic.getLevel() * 100;

    let x = cos(this.angle.x) * this.amplitude.x 

    let y = sin(this.angle.y) * this.amplitude.y 

​

    push();

    translate(width / 2, height / 2);

    //stroke(255);

    //strokeWeight(2);

    let r = 255 * noise(this.t + 10);

    let g = 255 * noise(this.t + 150);

    let b = 255 * noise(this.t + 200);

    fill(r, g, b);

    line(0, 0, x, y);

    noStroke();

    ellipse(x, y, 32, 32);

    pop();

  }

}