/// <summary>
/// Plays an animation, returning a <see cref="AnimationInstance"/> structure
/// </summary>
/// <param name="animationData"></param>
/// <param name="fadeInTime">Time, in seconds, to fade the animation in</param>
/// <param name="fadeOutTime">Time, in seconds, to fade the animation out</param>
/// <returns></returns>
protected AnimationInstance PlayAnimationData(AnimationData animationData, float fadeInTime, float fadeOutTime)
{
if (animationData == null)
throw new ArgumentNullException();
if (fadeInTime < 0)
throw new ArgumentException("fadeInTime");
if (fadeOutTime < 0)
throw new ArgumentException("fadeOutTime");
if (!ContentLoaded)
throw new InvalidOperationException("ModelInstance / AvatarInstance content has not been added");
if (disposed)
throw new ObjectDisposedException("this");
AnimationStreamControl control = animationData.GetStream();
control.Initalise(false, fadeInTime, fadeOutTime);
animations.Add(control);
return new AnimationInstance(control);
}