XiuXianGame/Assets/Scripts/Core/UI/UTool/UITween/TweenCanvasGroup.cs

using UnityEngine;

namespace Core.UI.UTool.UITween
{
    [System.Serializable]
    public class TweenCanvasGroup : TweenBasic
    {
        // public CanvasGroup CanvasGroup;
        public TweenLerpType TweenLerpType;
        public float StartAlpha;
        public float EndAlpha;
        public AnimationCurve startX=new AnimationCurve();

        public CanvasGroup GetCanvasGroup(Object CanvasGroup)
        {
            CanvasGroup canvasGroup = CanvasGroup as CanvasGroup;
            if (canvasGroup == null)
            {
                GameObject gameObject = CanvasGroup as GameObject;
                if (gameObject != null)
                {
                    canvasGroup = gameObject.GetComponent<CanvasGroup>();
                }
            }
            return canvasGroup;
        }

        protected override void ProPlay(UITweenController UITweenController,Object CanvasGroup, float allTime)
        {
            CanvasGroup canvasGroup = GetCanvasGroup(CanvasGroup);
            if (canvasGroup == null)
            {
                return;
            }

            float t = _addTime * allTime;
            if (t > 1)
            {
                t = 1;
            }

            float v = 0;
            switch (TweenLerpType)
            {
                case TweenLerpType.Default:
                    v = Mathf.Lerp(StartAlpha, EndAlpha, t);
                    break;
                case TweenLerpType.Curve:
                    v = startX.Evaluate(t);
                    break;
            }

            canvasGroup.alpha = v;
        }

        protected override void ProRest(UITweenController uiTweenController,Object CanvasGroup)
        {
            CanvasGroup canvasGroup = GetCanvasGroup(CanvasGroup);
            if (canvasGroup == null)
            {
                return;
            }

            switch (TweenLerpType)
            {
                case TweenLerpType.Default:
                    canvasGroup.alpha = StartAlpha;
                    break;
                case TweenLerpType.Curve:
                    canvasGroup.alpha = startX.Evaluate(0);
                    break;
            }
        }
    }
}