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DOTweenViewAnimator.cs
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DOTweenViewAnimator.cs
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#if RXPRESENTER_DOTWEEN_SUPPORT
using DG.Tweening;
namespace Boscohyun.RxPresenter.External.DOTween
{
public class DOTweenViewAnimator : IViewAnimator
{
private readonly Tween _showTween;
private readonly Tween _hideTween;
private ViewAnimatorState _lastPlayedState;
public readonly bool hasTween;
public DOTweenViewAnimator(Tween showTween, Tween hideTween)
{
_showTween = showTween;
_hideTween = hideTween;
hasTween = !(_showTween is null) ||
!(_hideTween is null);
}
#region IViewAnimator
int IViewAnimator.AnimatorActiveDelayFrame => 0;
bool IViewAnimator.AnimatorAlwaysActive => true;
ViewAnimatorState IViewAnimator.CurrentAnimatorState => _lastPlayedState;
float IViewAnimator.CurrentAnimatorStateNormalizedTime
{
get
{
var currentTween = ((IViewAnimator) this).CurrentAnimatorState == ViewAnimatorState.Show
? _showTween
: _hideTween;
return currentTween.ElapsedPercentage();
}
}
void IViewAnimator.PlayAnimation(ViewAnimatorState viewAnimatorState, float normalizedTime)
{
_lastPlayedState = viewAnimatorState;
if (viewAnimatorState == ViewAnimatorState.Show)
{
if (_showTween is null)
{
return;
}
var time = _showTween.Duration() * normalizedTime;
_showTween.Goto(time, true);
}
else
{
if (_hideTween is null)
{
return;
}
var time = _hideTween.Duration() * normalizedTime;
_hideTween.Goto(time, true);
}
}
void IViewAnimator.SetActive(bool active)
{
// NOTE: Do nothing.
// bool IViewAnimator.AnimatorAlwaysActive => true;
}
#endregion
}
}
#endif