/// <summary>
/// 获取出屏幕外的修正值
/// </summary>
/// <returns></returns>
private Vector2 GetoffScreenOut(RectTransform targetRect)
{
Vector2 offset = Vector2.zero;
Vector3 pos = (WndManager.GetUINode() as UINode).UICamera.WorldToScreenPoint(targetRect.position);
Vector2 v = new Vector2(targetRect.sizeDelta.x * targetRect.pivot.x, targetRect.sizeDelta.y * targetRect.pivot.y);
float l = pos.x - v.x;
float r = pos.x + v.x;
float u = pos.y + v.y;
float d = pos.y - v.y;
if (l < 10)
{
offset.x = 10 - l;
}
if (r > Screen.width - 10)
{
offset.x = Screen.width - 10 - r;
}
if (d < 10)
{
offset.y = 10 - d;
}
if (u > Screen.height - 10)
{
offset.y = Screen.height - 10 - u;
}
return(offset);
}
/// <summary>
/// 显示tips
/// </summary>
/// <param name="msg">tip 内容</param>
/// <param name="title">tip 标题</param>
/// <param name="tipRect">弹出tips 的对象</param>
/// <param name="align">对其方式</param>
/// <param name="offset">修正偏移值</param>
/// <returns></returns>
public static bool ShowTips(string msg, string title, RectTransform tipRect, TipAlignment align, Vector2 offset)
{
ResourceManger.LoadWndItem("HintItem", (WndManager.GetUINode() as UINode).GetWndParent(WndType.DialogWnd), false,
(obj) => {
HintItem item = obj.GetComponent <HintItem>();
if (item != null)
{
item.SetData(new object[] { msg, title, tipRect, align, offset });
}
});
return(true);
}
private void SetPos(RectTransform targetRect, TipAlignment alig, Vector2 offset)
{
Vector3 targetScreenPos = (WndManager.GetUINode() as UINode).UICamera.WorldToScreenPoint(targetRect.position);
Vector3 pos = (WndManager.GetUINode() as UINode).UICamera.WorldToScreenPoint(m_Rect.position);
Vector2 center = targetScreenPos - pos;
Vector2 v = GetPivotWH(m_Rect, targetRect);
if (alig == TipAlignment.Left)
{
center.x -= v.x;
}
else if (alig == TipAlignment.Right)
{
center.x += v.x;
}
else if (alig == TipAlignment.Up)
{
center.y += v.y;
}
else if (alig == TipAlignment.Down)
{
center.y -= v.y;
}
else if (alig == TipAlignment.LeftUp)
{
center.x -= v.x;
center.y += v.y;
}
else if (alig == TipAlignment.LeftDown)
{
center.x -= v.x;
center.y -= v.y;
}
else if (alig == TipAlignment.RightUp)
{
center.x += v.x;
center.y += v.y;
}
else if (alig == TipAlignment.RightDown)
{
center.x += v.x;
center.y -= v.y;
}
m_Rect.localPosition = center + offset;
center = m_Rect.localPosition;
offset = GetoffScreenOut(m_Rect);
m_Rect.localPosition = center + offset;
}