Method times

code/draw_layout.js:13–15

(factor)

    return new Vec(this.x - other.x, this.y - other.y);
  }
  times(factor) {
    return new Vec(this.x * factor, this.y * factor);
  }
  get length() {
    return Math.sqrt(this.x * this.x + this.y * this.y);
  }