Method reflect

src/math/p5.Vector.js:2726–2729

* Reflects a vector about a line in 2D or a plane in 3D. * * The orientation of the line or plane is described by a normal vector that * points away from the shape. * * The static version of `reflect()`, as in `p5.Vector.reflect(v, n)`, * returns a new p5.Vect

(surfaceNormal)

   * }
   */
  reflect(surfaceNormal) {
    const surfaceNormalCopy = Vector.normalize(surfaceNormal);
    return this.sub(surfaceNormalCopy.mult(2 * this.dot(surfaceNormalCopy)));
  }

  /**
   * Returns the vector's components as an array of numbers.