IEnumerator ShowItem <T>(int defaultNum, List <T> dataGroup, bool isSync)
{
for (int i = 0; i < dataGroup.Count; i++)
{
if (i < (defaultNum))
{
BaseDragChild itemChild = GetBaseDragChildByDisableGroup();
SetItemPos(itemChild, i);
itemChild.Init(dataGroup[i]);
itemChild.mDataIndex = i;
SetItemShowEnable(itemChild.transform, true);
mActiveDragChildGroup.Add(itemChild);
}
if (i == 0)
{
mUIScrollView.ResetPosition();
}
if (isSync)
{
yield return(null);
}
if (i == defaultNum)
{
mUIScrollView.ResetPosition();
}
}
}
void SetItemPos(BaseDragChild dragChild, int itemDataIndex)
{
int posXindex = itemDataIndex % mWidthNum;
int posYindex = itemDataIndex / mWidthNum;// +(posXindex > 0 ? 1 : 0);
dragChild.transform.localPosition = new Vector3(posXindex * mPosWidth, -posYindex * mPosHeight);
dragChild.mIndex = itemDataIndex;
}
bool IsDisable(BaseDragChild dragChild, BaseDragChild centerChild, ref float distance)
{
bool isDisable = false;
float pos1 = IsHorizontal ? dragChild.mTran.localPosition.x : dragChild.mTran.localPosition.y;
float pos2 = IsHorizontal ? centerChild.mTran.localPosition.x : centerChild.mTran.localPosition.y;
distance = Mathf.Abs(Mathf.Abs(pos2) - Mathf.Abs(pos1));
if (distance > DisableItemDis)
{
isDisable = true;
}
return(isDisable);
}
bool IsActiveNew(BaseDragChild dragChild, BaseDragChild centerChild, GetItemType targetMoveType)
{
bool isActiveNew = false;
if (dragChild != null && centerChild != null)
{
float pos1 = IsHorizontal ? dragChild.mTran.localPosition.x : dragChild.mTran.localPosition.y;
float pos2 = IsHorizontal ? centerChild.mTran.localPosition.x : centerChild.mTran.localPosition.y;
float distance = Mathf.Abs(Mathf.Abs(pos1) - Mathf.Abs(pos2));
if (distance < TargetActiveItemDis(targetMoveType))
{
isActiveNew = true;
}
}
return(isActiveNew);
}
BaseDragChild getCenterPosChild()
{
float minDis = 999;
BaseDragChild getChild = null;
for (int i = 0; i < mActiveDragChildGroup.Count; i++)
{
var child = mActiveDragChildGroup[i];
float pos1 = IsHorizontal ? child.mTran.localPosition.x : child.mTran.localPosition.y;
float pos2 = IsHorizontal ? mUIScrollviewTran.localPosition.x : mUIScrollviewTran.localPosition.y;
float distance = Mathf.Abs(Mathf.Abs(pos1) - Mathf.Abs(pos2));
if (distance <= minDis)
{
minDis = distance;
getChild = child;
}
}
return(getChild);
}
void CheckMoveItem()
{
float upPos = -999999;
float downPos = 99999;
BaseDragChild upChild = null;
BaseDragChild downChild = null;
float leftPos = 999999;
float rightPos = -99999;
BaseDragChild leftChild = null;
BaseDragChild rightChild = null;
BaseDragChild centerChild = getCenterPosChild();
if (centerChild == null)
{
return;
}
for (int i = mActiveDragChildGroup.Count - 1; i >= 0; i--)
{
var child = mActiveDragChildGroup[i];
float distance = 0;
bool isDisable = IsDisable(child, centerChild, ref distance);
if (isDisable)
{
mActiveDragChildGroup.RemoveAt(i);
//child.gameObject.SetActive(false);
SetItemShowEnable(child.transform, false);
mDisableDragChildGroup.Enqueue(child);
}
float childPosY = child.mTran.position.y;
float childPosX = child.mTran.position.x;
if (!IsHorizontal)
{
if (childPosY > upPos)
{
upPos = childPosY;
upChild = child;
}
if (childPosY < downPos)
{
downPos = childPosY;
downChild = child;
}
}
else
{
if (childPosX < leftPos)
{
leftPos = childPosX;
leftChild = child;
}
if (childPosX > rightPos)
{
rightPos = childPosX;
rightChild = child;
}
}
}
if (!IsHorizontal)
{
if (IsActiveNew(upChild, centerChild, GetItemType.Up))
{
OnMoveItem(GetItemType.Up);
}
if (IsActiveNew(downChild, centerChild, GetItemType.Down))
{
OnMoveItem(GetItemType.Down);
}
}
else
{
if (IsActiveNew(leftChild, centerChild, GetItemType.Left))
{
OnMoveItem(GetItemType.Left);
}
if (IsActiveNew(rightChild, centerChild, GetItemType.Right))
{
OnMoveItem(GetItemType.Right);
}
}
}
