constructor(x, y) {

    this.x = x;

    this.y = y;

    this.dx = 0;

    this.dy = 0;

    this.speed = 0;

    this.fired = false;

    this.velx = 0;

    this.vely = 0;

  }

​

  update(x, y) {

    this.dx = x;

    this.dy = y;

  }

​

  afterFire() {

    translate(this.x, this.y);

    this.x += this.velx;

    this.y += this.vely;

  }

  fire() {

    this.fired = true;

    this.velx = this.dx / 300;

    this.vely = this.dy / 300;

  }

​

  draw() {

    if (this.fired) {

      push();

      strokeWeight(8);

      stroke(255, 0, 0);

      point(this.x, this.y);

      stroke(255, 255, 0);

      point(this.dx, this.dy);

      pop();

    } else {

      push();

      strokeWeight(8);

      stroke(255,0,0);

      point(0,0);

      pop();

​

    }

  }

}