Method get

src/webgl/p5.Framebuffer.js:1061–1088

* @param {Number} x * @param {Number} y * @return {Number[]} color of the pixel at `(x, y)` as an array of color values `[R, G, B, A]`.

(x, y, w, h)

   * @return {Number[]}  color of the pixel at `(x, y)` as an array of color values `[R, G, B, A]`.
   */
  get(x, y, w, h) {
    this._update('colorTexture');
    // p5._validateParameters('p5.Framebuffer.get', arguments);

    if (x === undefined && y === undefined) {
      x = 0;
      y = 0;
      w = this.width;
      h = this.height;
    } else if (w === undefined && h === undefined) {
      if (x < 0 || y < 0 || x >= this.width || y >= this.height) {
        console.warn(
          'The x and y values passed to p5.Framebuffer.get are outside of its range and will be clamped.'
        );
        x = constrain(x, 0, this.width - 1);
        y = constrain(y, 0, this.height - 1);
      }

      return this.renderer.readFramebufferPixel(this, x * this.density, y * this.density);
    }

    x = constrain(x, 0, this.width - 1);
    y = constrain(y, 0, this.height - 1);
    w = constrain(w, 1, this.width - x);
    h = constrain(h, 1, this.height - y);

    return this.renderer.readFramebufferRegion(this, x, y, w, h);
  }

  /**
   * Updates the framebuffer with the RGBA values in the