Method heading

src/math/p5.Vector.js:1932–1936

* Calculates the angle a 2D vector makes with the positive x-axis. * * By convention, the positive x-axis has an angle of 0. Angles increase in * the clockwise direction. * * If the vector was created with * createVector() , `heading()` returns angles

()

   * }
   */
  heading() {
    const h = Math.atan2(this.y, this.x);
    if (this.isPInst) return this._fromRadians(h);
    return h;
  }

  /**
   * Rotates a 2D vector to a specific angle without changing its magnitude.