109 lines
2.0 KiB
C#
109 lines
2.0 KiB
C#
using DG.Tweening;
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using UnityEngine;
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namespace TPSBR.UI
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{
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[RequireComponent(typeof(CanvasGroup))]
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public class UIFader : UIBehaviour
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{
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// PUBLIC MEMBERS
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public bool IsFinished => _isFinished;
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public float StartDelay;
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public EFadeDirection Direction = EFadeDirection.FadeIn;
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public float Duration = 0.5f;
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public Ease Ease = Ease.OutQuad;
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public EPlayBehavior Behaviour = EPlayBehavior.Once;
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public bool ResetOnDisable = true;
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public float FadeOutValue = 0f;
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// PRIVATE MEMBERS
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private float _resetValue;
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private float _startValue;
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private float _targetValue;
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private float _time;
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private bool _isFinished;
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// MONOBEHAVIOR
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protected void OnEnable()
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{
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if (_isFinished == false)
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{
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_resetValue = CanvasGroup.alpha;
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_startValue = Direction == EFadeDirection.FadeIn ? FadeOutValue : _resetValue;
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_targetValue = Direction == EFadeDirection.FadeIn ? _resetValue : FadeOutValue;
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_time = -StartDelay;
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CanvasGroup.alpha = _startValue;
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}
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}
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protected void Update()
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{
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if (_isFinished == true)
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{
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if (Behaviour == EPlayBehavior.PingPong)
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{
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float previousStart = _startValue;
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_startValue = _targetValue;
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_targetValue = previousStart;
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_time = 0f;
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_isFinished = false;
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}
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else if (Behaviour == EPlayBehavior.Restart)
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{
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_time = 0f;
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_isFinished = false;
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}
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else
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{
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return;
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}
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}
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_time += Time.deltaTime;
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if (_time <= 0f)
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return;
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if (_time >= Duration)
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{
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_time = Duration;
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_isFinished = true;
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}
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CanvasGroup.alpha = DOVirtual.EasedValue(_startValue, _targetValue, _time / Duration, Ease);
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}
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protected void OnDisable()
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{
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if (ResetOnDisable == true)
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{
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CanvasGroup.alpha = _resetValue;
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}
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_isFinished = false;
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}
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// HELPERS
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public enum EFadeDirection
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{
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FadeIn,
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FadeOut,
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}
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public enum EPlayBehavior
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{
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//None,
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Once = 1,
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Restart = 2,
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PingPong = 3,
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}
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}
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}
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