touchDeltaPosition = new Vector2(delta_x, delta_y);
#elif UNITY_ANDROID || UNITY_IPHONE
touchDeltaPosition = Input.GetTouch(0).deltaPosition;
#endif
if (isVertical)
{
if(touchDeltaPosition.y > 0)
{
UnityEngine.Debug.Log("上拖");
m_dragPosition = DragPosition.Up;
}
else
{
UnityEngine.Debug.Log("下拖");
m_dragPosition = DragPosition.Down;
}
if (Mathf.Abs(touchDeltaPosition.x) > Mathf.Abs(touchDeltaPosition.y))
{
isSelf = true;
var canvas = FindInParents<Canvas>(gameObject);
if (canvas == null)
return;
if (dragOnSurfaces)
m_DraggingPlane = transform as RectTransform;
else
m_DraggingPlane = canvas.transform as RectTransform;
}
else
{
isSelf = false;
if (m_ScrollRect != null)
m_ScrollRect.OnBeginDrag(eventData);
}
}
else //水平
{
if (touchDeltaPosition.x > 0)
{
UnityEngine.Debug.Log("右移");
m_dragPosition = DragPosition.Right;
}
else
{
UnityEngine.Debug.Log("左移");
m_dragPosition = DragPosition.Left;
}
if (Mathf.Abs(touchDeltaPosition.x) < Mathf.Abs(touchDeltaPosition.y))
{
isSelf = true;
var canvas = FindInParents<Canvas>(gameObject);
if (canvas == null)
return;
if (dragOnSurfaces)
m_DraggingPlane = transform as RectTransform;
else
m_DraggingPlane = canvas.transform as RectTransform;
}
else
{
isSelf = false;
if (m_ScrollRect != null)
m_ScrollRect.OnBeginDrag(eventData);
}
}
}
public void OnDrag(PointerEventData data)
{
if (isSelf)
{
}
else
{
if (m_ScrollRect != null)
m_ScrollRect.OnDrag(data);
}
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