public void SetAnimation(string animation)
        {
            try
            {
                if (mCurrentAnimationController != null)
                    FlatRedBallServices.Game.Services.RemoveService(typeof(AnimationController));

                mCurrentAnimationController =
                    new AnimationController(FlatRedBallServices.Game,
                    mModelAnimator.Animations[animation]);
            }
            catch (KeyNotFoundException e)
            {
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.Append("Cannot find an animation named ").Append(animation);
                stringBuilder.AppendLine("The following animations are defined for this model:");
                
                for(int i = 0; i < mModelAnimator.Animations.Count; i++)
                {
                    stringBuilder.AppendLine(mModelAnimator.Animations[i].Name );
                }

                throw new System.ArgumentException(stringBuilder.ToString());

            }
            foreach (BonePose p in mModelAnimator.BonePoses)
            {
                p.CurrentController = mCurrentAnimationController;
                p.CurrentBlendController = null;
            }
        }