Method update

src/webgl/p5.Texture.js:182–195

* Checks if the source data for this texture has changed (if it's * easy to do so) and reuploads the texture if necessary. If it's not * possible or to expensive to do a calculation to determine wheter or * not the data has occurred, this method simply re-uploads the texture.

()

   * not the data has occurred, this method simply re-uploads the texture.
   */
  update() {
    const textureData = this._getTextureDataFromSource();
    if (!textureData) return false;

    let updated = false;

    if (this._shouldUpdate(textureData)) {
      this.bindTexture();
      this._renderer.uploadTextureFromSource(this.textureHandle, textureData);
      updated = true;
    }

    return updated;
  }

  _shouldUpdate(textureData) {
    const data = this.src;