public void OnDrag(PointerEventData eventData)
{
if (LoopScrollRect != null && !isDragSelf)
{
if (Mathf.Abs(eventData.delta.x) > value_MinDrag && Mathf.Abs(eventData.delta.x) > Mathf.Abs(eventData.delta.y))
{
LoopScrollRect.OnDrag(eventData);
return;
}
}
if (isDragOut)
{
//如果已经拖出了，不再判定
return;
}
yTotalChange += eventData.delta.y;
xTotalChange += eventData.delta.x;
if (Mathf.Abs(yTotalChange) > totalThrehold)
{
//累计y值变化超过阈值认为是单体滑动
isDragSelf = true;
}
Vector3 GlobalVariableMousePos;
if (RectTransformUtility.ScreenPointToWorldPointInRectangle(m_DragPlane, eventData.position, eventData.pressEventCamera, out GlobalVariableMousePos))
{
selfRectTransform.position = GlobalVariableMousePos - temp;
}
if (!RectTransformUtility.RectangleContainsScreenPoint(m_DragPlane, eventData.position, eventData.pressEventCamera)) //判定鼠标点是否不在当前Button的框内了
{ //判断第二个参数代表的位置是否在第一个参数rect的范围内
//StaticData.DebugGreen($"拖出区域外 eventData.position:{eventData.position}");
if (yTotalChange > totalThrehold) //上边拖出来了面板
{
actionFromUpDrag?.Invoke(eventData);
isDragOut = true;
}
else if (yTotalChange < -totalThrehold)//下边拖出来了面板
{
actionFromBottomDrag?.Invoke(eventData);
isDragOut = true;
}
else if (!isHaveScrollHorizen && xTotalChange > totalThrehold)//右边拖出来了面板
{
actionFromRightDrag?.Invoke(eventData);
isDragOut = true;
}
else if (!isHaveScrollHorizen && xTotalChange < -totalThrehold)//左边拖出来了面板
{
actionFromLeftDrag?.Invoke(eventData);
isDragOut = true;
}
}
}
public void OnDrag(PointerEventData eventData)
{
//Debug.Log("OnDrag");
if (mScrollRect != null)
{
mScrollRect.OnDrag(eventData);
}
if (mMouseDrag != null)
{
mMouseDrag(gameObject, eventData);
}
}
public void OnDrag(PointerEventData eventData)
{
//if (Parent = this.gameObject) {
scrollRect.OnDrag(eventData);
//}
}