public int GetChildCount(GameObject parent, bool includeHide = true)
{
int count = 0;
foreach (Transform child in parent.GetComponentsInChildren <Transform>(true))
{
if (child == null)
{
// 过滤已经销毁的嵌套子对象
continue;
}
GameObject objtmp = child.gameObject;
if (parent == objtmp)
{
continue;
}
if (!includeHide)
{
if (!objtmp.activeSelf)
{
//过虑隐藏的
continue;
}
}
{
LayoutElement le = objtmp.GetComponent <LayoutElement>();
if (le != null && le.ignoreLayout)
{
continue;
}
}
{
LayOutElement le = objtmp.GetComponent <LayOutElement>();
if (le != null && le.ignoreLayout)
{
continue;
}
}
if (objtmp.transform.parent != parent.transform)
{
//只找第一层子物体
continue;
}
count++;
}
return(count);
}
public override void LayOut()
{
int idx = 0;
int r = 0, c = 0;
if (!Enable())
{
return;
}
base.LayOut();
/*
* foreach (Transform child in objMainWorld.transform)这种方式遍历子元素会漏掉部分子元素
*/
//GetComponentsInChildren寻找的子对象也包括父对象自己本身和子对象的子对象
foreach (Transform child in this.gameObject.GetComponentsInChildren <Transform>(true))
{
if (child == null)
{
// 过滤已经销毁的嵌套子对象
Debug.Log("LayOut child is null idx=" + idx);
continue;
}
GameObject objtmp = child.gameObject;
if (this.gameObject == objtmp)
{
continue;
}
{
LayoutElement le = objtmp.GetComponent <LayoutElement>();
if (le != null && le.ignoreLayout)
{
continue;
}
}
{
LayOutElement le = objtmp.GetComponent <LayOutElement>();
if (le != null && le.ignoreLayout)
{
continue;
}
}
if (!enableHide)
{
if (!objtmp.activeSelf)
{
//过虑隐藏的
continue;
}
}
if (objtmp.transform.parent != this.gameObject.transform)
{
//只找第一层子物体
continue;
}
// LayoutElement
r = idx / col;
c = idx - r * col;
//从顶部往底部显示
if (dispLayVertical == DispLayVertical.TOP_TO_BOTTOM)
{
r = row - 1 - r;
}
//从右往左显示
if (dispLayHorizontal == DispLayHorizontal.RIGHT_TO_LEFT)
{
c = col - 1 - c;
}
Vector2 pt = GetItemPostion(child.gameObject, r, c);
RectTransform rctran = child.gameObject.GetComponent <RectTransform>();
if (rctran != null)
{
rctran.anchoredPosition = pt;
Debug.Log("GetItemPostion:idx=" + idx + " r=" + r + " c=" + c + " pt=" + pt);
}
idx++;
}
}
