function setDefaults(newDefaults) {
    utils.copyExistingProperties(newDefaults, defaults);
    attributes.setDefaults_(newDefaults);  // eslint-disable-line
    textures.setDefaults_(newDefaults);  // eslint-disable-line
  }
Sets various defaults for twgl.

In the interest of terseness which is kind of the point
of twgl I've integrated a few of the older functions here

@param {module:twgl.Defaults} newDefaults The default settings.
@memberOf module:twgl