// 本地坐标系下的的各条边
protected Vector3[] getSides(GameObject parent)
{
// 如果自身带有旋转,则需要还原自身的变换
Vector3[] sides = new Vector3[4] {
Vector3.zero, Vector3.zero, Vector3.zero, Vector3.zero
};
UIRect thisRect = WidgetUtility.getGameObjectRect(gameObject);
Vector3[] worldCorners = thisRect.worldCorners;
Vector3[] localCorners = new Vector3[4];
for (int i = 0; i < 4; ++i)
{
if (parent != null)
{
localCorners[i] = parent.transform.InverseTransformPoint(worldCorners[i]);
}
else
{
localCorners[i] = worldCorners[i];
}
}
for (int i = 0; i < 4; ++i)
{
sides[i] = (localCorners[i] + localCorners[(i + 1) % 4]) / 2;
}
return(sides);
}
//-------------------------------------------------------------------------------------------------------------------
public static void addPaddingAnchor(GameObject obj)
{
// 先设置自己的Anchor
if (obj.GetComponent <PaddingAnchor>() == null)
{
// 只要有Rect就可以添加该组件,panel也可以添加
UIRect rect = WidgetUtility.getGameObjectRect(obj);
if (rect != null)
{
PaddingAnchor anchor = obj.AddComponent <PaddingAnchor>();
anchor.setAnchorMode(ANCHOR_MODE.AM_NEAR_PARENT_SIDE);
}
}
// 再设置子节点的Anchor
int childCount = obj.transform.childCount;
for (int i = 0; i < childCount; ++i)
{
addPaddingAnchor(obj.transform.GetChild(i).gameObject);
}
}
