public void BackPosition(DragBackEffect effect)
{
DragBackEffect cache = backEffect;
backEffect = effect;
BackPosition();
backEffect = cache;
}
private void BackOnTopCallback()
{
_backEffect = UGUIDrag.DragBackEffect.Immediately;
BackPositionAction();
_backEffect = _markDragBackEffect;
this.enabled = true;
_backDuring = _markDragBackDuring;
OnTweenOver();
}
public void BackPosition(UGUIDrag.DragBackEffect backEffect = UGUIDrag.DragBackEffect.None)
{
if (_isBackKeepTop)
{
BackOnTop(backEffect);
}
else
{
DragBackEffect mark = _backEffect;
_backEffect = backEffect;
BackPositionAction();
_backEffect = mark;
}
}
public void OnBeginDrag(PointerEventData eventData)
{
if (!this.enabled || _isDown)
{
return;
}
if (null != DragValidCheckEvent)
{
if (!DragValidCheckEvent(eventData))
{
_canDrag = false;
return;
}
}
if (null != OnPrevBeginDragAction)
{
OnPrevBeginDragAction.Invoke(this, eventData);
}
_dragMoveDamp = 0.3f;
_isDown = true;
_canDrag = true;
_tool.DOKill();
_isDragging = true;
GetComponent <Graphic>().raycastTarget = false;
_toolCachePosition = _tool.localPosition;
_toolCacheScale = _tool.localScale;
_toolCacheRotation = _tool.localEulerAngles;
_toolCacheIndex = _tool.GetSiblingIndex();
if (Math.Abs(_dragChangeScale) > float.Epsilon)
{
_tool.DOScale(_toolCacheScale * _dragChangeScale, 0.4f);
}
if (Math.Abs(_dragChangeRotate) > float.Epsilon)
{
_tool.DOLocalRotate(_toolCacheRotation + new Vector3(0f, 0f, _dragChangeRotate), 0.4f, RotateMode.Fast);
}
_tool.position += new Vector3(0, 0, _dragOffsetZ);
_worldPos = _tool.position;
Vector3 touchDownMousePos;
RectTransformUtility.ScreenPointToWorldPointInRectangle(_tool, eventData.position, _raycastCamera, out touchDownMousePos);
_touchDownTargetOffset = _worldPos - touchDownMousePos;
if (_isDragOriginPoint)
{
_worldPos += _touchDownTargetOffset * 0.01f;
}
_prevParent = _tool.parent;
if (_draggingParent)
{
_tool.SetParent(_draggingParent);
}
if (true == _isBackKeepTop && false == _hasStartBackKeepTop)
{
_hasStartBackKeepTop = true;
_backEffect = UGUIDrag.DragBackEffect.Keep;
_markDragBackPos = _tool.position;
_markDragBackScale = _tool.localScale;
}
SetToolState(true);
SetBoxState(true);
if (null != _tipBeforeDrag)
{
Destroy(_tipBeforeDrag);
}
if (null != _tipDragging)
{
_tipDragging.SetActive(true);
}
PlaySoundStartDrag();
if (_dragEffectType == DRAG_EFFECT_TYPE.ON_DRAG)
{
SetDragEffectPlay(true);
}
if (null != OnBeginDragAction)
{
OnBeginDragAction.Invoke(this, eventData);
}
}
