DialogAnimatorSlideFromRight

// Animates a dialog when showing/hiding it
    public class DialogAnimatorSlideFromRight : DialogAnimator
    {
        //  Constructor method
        public DialogAnimatorSlideFromRight(float animationDuration = 0.5f)
        {
            m_AnimationDuration = 0.5f;
        }

        //  Called when the dialog is shown
        public override void AnimateShow(Action callback)
        {
            base.AnimateShow(callback);

            //  Make sure that the dialog's layout is fully built before attempting to get its size
            LayoutRebuilder.ForceRebuildLayoutImmediate(m_Dialog.rectTransform);

            float halfScreenWidth = Screen.width / 2f;
            float halfDialogWidth = m_Dialog.rectTransform.GetProperSize().x / 2f;

            //  Multiplied by 1.1f so the dialog is *definitely* off the screen
            float startPoint = halfScreenWidth + (halfDialogWidth * 1.1f);

            //  Set the position of the dialog before animating (just past the right edge of the screen
            m_Dialog.rectTransform.anchoredPosition = new Vector2(startPoint, 0f);

            //  Make the dialog full-size, now that it's not onscreen
            m_Dialog.rectTransform.localScale = Vector3.one;

            //  Animate the dialog from its position to 0,0 on the screen (middle). The callback (called when the tween ends) is so the dialog knows when it's finished animating
            TweenManager.AutoTween(m_Dialog.gameObject, m_Dialog.rectTransform, "anchoredPosition", Vector2.zero, m_AnimationDuration, callback: callback);
        }

        //  Called when the dialog is hidden
        public override void AnimateHide(Action callback)
        {
            base.AnimateHide(callback);

            float halfScreenWidth = Screen.width / 2f;
            float halfDialogWidth = m_Dialog.rectTransform.GetProperSize().x / 2f;

            //  Multiplied by 1.1f so the dialog is *definitely* off the screen
            float endPoint = halfScreenWidth + (halfDialogWidth * 1.1f);

            TweenManager.AutoTween(m_Dialog.gameObject, m_Dialog.rectTransform, "anchoredPosition", new Vector2(endPoint, 0f), m_AnimationDuration, 0f, Tween.TweenType.EaseInCubed, callback: callback);
        }
    }