constructor(x, y, index){

    this.index = index;

    this.cpos = createVector(x, y);

    this.npos = createVector(x, y);

    this.vel = createVector(0, -1);

    // this.vel.setHeading(-PI);

    this.turn = createVector(1, 0);

    this.wiggle = createVector(0,1);

    this.wiggle.setMag(1);

    this.xoff = 0.0001;

    this.tav = -PI;

    this.tat = 0.001;

    this.taw = 0;

    this.i = 0;

    this.col = color(cols[this.index % cols.length])

  }

  update(){

    this.i++

    if(this.i > 1000){

      // this.cpos.x = random(width);

      // this.cpos.y = random(height);

      this.i = 0;

    }

    this.xoff = this.xoff + 0.0001;

    // this.vel.setHeading(noise(this.cpos.x / 20, this.cpos.y / 20, this.xoff) * (8 * PI));

    this.turn.setHeading(noise(this.cpos.x / 1000, this.cpos.y / 1000, this.xoff) * (8 * PI))

    this.turn.setMag(noise(this.cpos.x / 80, this.cpos.y / 80, this.xoff) * 2);

    if(this.turn.mag() > 1) this.turn.setMag(this.turn.mag() - 1);

    if(this.turn.mag() < 1) this.turn.setMag(this.turn.mag() * -1);

    this.vel.add(this.turn);

    this.vel.setMag(noise(this.cpos.x, this.cpos.y, this.xoff) * 2);

    this.npos = p5.Vector.add(this.cpos, this.vel);

    // this.col.setAlpha(2);

    stroke(this.col);

    strokeWeight(1);

    line(this.cpos.x, this.cpos.y, this.npos.x, this.npos.y);

    this.cpos.add(this.vel);

    if(this.cpos.x > width) {

      this.cpos.x = random(width);

      this.cpos.y = random(height);

    }

    if(this.cpos.y > height){

      this.cpos.x = random(width);

      this.cpos.y = random(height);

    }

    if(this.cpos.x < 0){

      this.cpos.x = random(width);

      this.cpos.y = random(height);

    }

    if(this.cpos.y < 0){

      this.cpos.x = random(width);

      this.cpos.y = random(height);

    }

  }

}