/// <summary>
/// The SetOpacity method allows the opacity of the given GameObject to be changed. A lower alpha value will make the object more transparent, such as `0.5f` will make the controller partially transparent where as `0f` will make the controller completely transparent.
/// </summary>
/// <param name="model">The GameObject to change the renderer opacity on.</param>
/// <param name="alpha">The alpha level to apply to opacity of the controller object. `0f` to `1f`.</param>
/// <param name="transitionDuration">The time to transition from the current opacity to the new opacity.</param>
public static void SetOpacity(GameObject model, float alpha, float transitionDuration = 0f)
{
SetupInstance();
if (instance != null)
{
instance.InternalSetOpacity(model, alpha, transitionDuration);
}
}