protected override void RollView(LoopViewShowDirection direction)
{
if (direction == LoopViewShowDirection.None || (int)direction > (int)LoopViewShowDirection.Left)
{
Debug.LogError("RollViewEx Fail,direction= " + direction);
return;
}
ContentViewShowDirection = Direction = direction;
}
public virtual void RollView(LoopViewShowDirection direction, float endPosX, float tweenTime, bool isAbsDistance = false, System.Action completeRoll = null)
{
if (direction == LoopViewShowDirection.None || (int)direction < (int)LoopViewShowDirection.Left)
{
Debug.LogError("RollViewEx Fail,direction= " + direction);
return;
}
if (IsScrolling)
{
return;
}
if (isAbsDistance == false)
{
endPosX += ContentRectrans.anchoredPosition.x;
}
#region 检测数值 避免由于滑动的太远太快导致视图显示异常 2019/4/23 新增
float offset = endPosX - ContentRectrans.anchoredPosition.x;
if (Mathf.Abs(offset) / tweenTime * Time.deltaTime >= ViewRectHalfSize)
{
Debug.LogError("滑动的距离太远且时间太短 导致视图异常 " + offset);
return;
}
#endregion
if (CheckContentOffsetAvailable(direction, endPosX) == false)
{
return;
}
RollView(direction);
if (ContentRectrans.anchoredPosition.x == endPosX)
{
UpdateItemState();
OnCompleteScrollView();
return;
}
OnBeginScrollView();
if (completeRoll != null)
{
ContentRectrans.DOAnchorPosX(endPosX, tweenTime).OnUpdate(UpdateItemState).OnComplete(() =>
{
OnCompleteScrollView();
if (completeRoll != null)
{
completeRoll.Invoke();
}
}).SetEase(mTweenAnimationCurve);
}
else
{
ContentRectrans.DOAnchorPosX(endPosX, tweenTime).OnUpdate(UpdateItemState).OnComplete(OnCompleteScrollView).SetEase(mTweenAnimationCurve);
}
}
/// <summary>
/// 滑动指定固定间隔 指定偏移的距离
/// </summary>
/// <param name="direction"></param>
/// <param name="offsetItem">移动多少个ItemDistance</param>
/// <param name="tweenTime"></param>
/// <param name="isAbsDistance"></param>
public void RollViewEx(LoopViewShowDirection direction, int offsetItem, float tweenTime, bool isAbsDistance, System.Action completeRoll = null)
{
if (direction == LoopViewShowDirection.None || (int)direction < (int)LoopViewShowDirection.Left)
{
Debug.LogError("RollViewEx Fail,direction= " + direction);
return;
}
offsetItem = GetContentOffset(direction, offsetItem);
RollView(direction, offsetItem * ItemDistance, tweenTime, isAbsDistance, completeRoll);
}
/// <summary>
/// 检测偏移的参数是否合法 2019/4/24 新增
/// </summary>
/// <param name="direction"></param>
/// <param name="endPos"></param>
/// <returns></returns>
protected bool CheckContentOffsetAvailable(LoopViewShowDirection direction, float endPos)
{
float offset = 0;
switch (direction)
{
case LoopViewShowDirection.Down:
offset = endPos - ContentRectrans.anchoredPosition.y;
if (offset < 0)
{
Debug.LogError("显示下面的内容的偏移要大于0");
return(false);
}
break;
case LoopViewShowDirection.Up:
offset = endPos - ContentRectrans.anchoredPosition.y;
if (offset > 0)
{
Debug.LogError("显示上面的内容的偏移要小于0");
return(false);
}
break;
case LoopViewShowDirection.Left:
offset = endPos - ContentRectrans.anchoredPosition.x;
if (offset < 0)
{
Debug.LogError("显示左边的内容的偏移要大于0");
return(false);
}
break;
case LoopViewShowDirection.Right:
offset = endPos - ContentRectrans.anchoredPosition.x;
if (offset > 0)
{
Debug.LogError("显示右边的内容的偏移要小于0");
return(false);
}
break;
default:
Debug.LogError("没有定义视图显示方向" + direction);
return(false);
}
return(true);
}
/// <summary>
/// 根据视图显示的方向修正数据 (修正数据 2019/4/23 新增 )
/// </summary>
/// <param name="direction"></param>
/// <param name="offsetItem"></param>
/// <returns></returns>
protected int GetContentOffset(LoopViewShowDirection direction, int offsetItem)
{
int realOffset = offsetItem;
switch (direction)
{
case LoopViewShowDirection.Down:
if (realOffset < 0)
{
Debug.LogError("显示下面的视图 偏移应该为大于0");
realOffset *= -1;
}
break;
case LoopViewShowDirection.Up:
if (realOffset > 0)
{
Debug.LogError("显示上面的视图 偏移应该为小于0");
realOffset *= -1;
}
break;
case LoopViewShowDirection.Left:
if (realOffset < 0)
{
Debug.LogError("显示左边的视图 偏移应该为大于0");
realOffset *= -1;
}
break;
case LoopViewShowDirection.Right:
if (realOffset > 0)
{
Debug.LogError("显示右边的视图 偏移应该为小于0");
realOffset *= -1;
}
break;
default:
Debug.LogError("没有定义的类型 " + direction);
break;
}
return(realOffset);
}
/// <summary>
/// 当数据不足 不能无限循环时候的滑动 只能滑动到边界
/// </summary>
/// <returns></returns>
protected float CaculateMaxOffsetDistance(LoopViewShowDirection direction)
{
if (DateCount <= 1)
{
return(0);
}
float absDistance = ItemDistance * (DateCount * 0.5f);
if (direction == LoopViewShowDirection.Up)
{
absDistance = -1 * absDistance;
}
if (CheckContentOffsetAvailable(direction, absDistance) == false)
{
return(0);
}
return(absDistance);
}
public override void RollView(LoopViewShowDirection direction, float endPosx, float tweenTime, bool isAbsDistance, System.Action completeRoll = null)
{
if (direction == LoopViewShowDirection.None || (int)direction < (int)LoopViewShowDirection.Left)
{
Debug.LogError("RollViewEx Fail,direction= " + direction);
return;
}
if (IsScrolling)
{
return;
}
ContentViewShowDirection = direction;
if (isAbsDistance == false)
{
endPosx += ContentRectrans.anchoredPosition.x;
}
if (CheckContentOffsetAvailable(direction, endPosx) == false)
{
return;
}
// Debug.Log("------------" + endPosx + " " + direction);
if (IsLoopCircleModel)
{
#region 可以循环滑动
RollView(direction);
if (ContentRectrans.anchoredPosition.x == endPosx)
{
UpdateItemState();
OnCompleteScrollView();
return;
}
OnBeginScrollView();
if (completeRoll == null)
{
MoveTweenner = ContentRectrans.DOAnchorPosX(endPosx, tweenTime).OnUpdate(OnUpdateTweenView).OnComplete(OnCompleteScrollView).SetEase(mTweenAnimationCurve);
}
else
{
MoveTweenner = ContentRectrans.DOAnchorPosX(endPosx, tweenTime).OnUpdate(OnUpdateTweenView).OnComplete(() =>
{
OnCompleteScrollView();
completeRoll();
}).SetEase(mTweenAnimationCurve);
}
#endregion
return;
}
#region 数据不足以循环时候只显示一页
float maxOffset = CaculateMaxOffsetDistance(direction);
// Debug.Log("maxOffset=" + maxOffset);
if (mLastRecordContentAnchoePos.x == ContentInitialedPos.x + maxOffset)
{
if (completeRoll != null)
{
completeRoll.Invoke();
}
return; //已经达到边界
}
float realEndPosx = 0;
if (Mathf.Abs(endPosx) < Mathf.Abs(maxOffset))
{
realEndPosx = endPosx;
}
else
{
realEndPosx = maxOffset;
}
if (realEndPosx == ContentRectrans.anchoredPosition.x)
{
if (completeRoll != null)
{
completeRoll.Invoke();
}
return;
}
if (CheckContentOffsetAvailable(direction, realEndPosx) == false)
{
return;
}
IsScrolling = true;
if (completeRoll != null)
{
MoveTweenner = ContentRectrans.DOAnchorPosX(realEndPosx, tweenTime).OnUpdate(OnUpdateTweenView).OnComplete(() =>
{
OnCompleteScrollView();
completeRoll();
}).SetEase(mTweenAnimationCurve);
}
else
{
MoveTweenner = ContentRectrans.DOAnchorPosX(realEndPosx, tweenTime).OnUpdate(OnUpdateTweenView).OnComplete(OnCompleteScrollView).SetEase(mTweenAnimationCurve);
}
#endregion
}
/// <summary> /// 滑动视图 /// </summary> /// <param name="direction"></param> protected abstract void RollView(LoopViewShowDirection direction);