constructor() {

    this.x = 0;

    this.y = 0;

    this.z = 0;

    this.speed = 10;

  }

  show() {

    push();

    translate(this.x, this.y, this.z);

    box(50);

    // just to know the orientation i am in

    stroke("red");

    strokeWeight(5);

    line(0, 0, 0, 200, 0, 0);

    stroke("green");

    strokeWeight(5);

    line(0, 0, 0, 0, 200, 0);

    stroke("blue");

    strokeWeight(5);

    line(0, 0, 0, 0, 0, 200);

​

    // helps with orientation

    texture(chess);

    plane(500);

    pop();

  }

  move() {

    if (keyIsDown(LEFT_ARROW)) {

      this.x += 50;

    }

    if (keyIsDown(RIGHT_ARROW)) {

      this.x -= 50;

    }

    if (keyIsDown(UP_ARROW)) {

      this.y += 50;

    }

    if (keyIsDown(DOWN_ARROW)) {

      this.y -= 50;

    }

  }

}