protected void generateLocalCorners(GameObject parent, bool includeRotation = false)
{
RectTransform rectTransform = GetComponent <RectTransform>();
// 去除旋转
Quaternion lastQuat = rectTransform.rotation;
if (!includeRotation)
{
rectTransform.rotation = Quaternion.identity;
}
Vector2 size = rectTransform.rect.size;
mLocalCorners[0] = new Vector3(-size.x * 0.5f, -size.y * 0.5f);
mLocalCorners[1] = new Vector3(-size.x * 0.5f, size.y * 0.5f);
mLocalCorners[2] = new Vector3(size.x * 0.5f, size.y * 0.5f);
mLocalCorners[3] = new Vector3(size.x * 0.5f, -size.y * 0.5f);
for (int i = 0; i < 4; ++i)
{
Vector3 worldCorner = UnityUtility.localToWorld(rectTransform, mLocalCorners[i]);
mLocalCorners[i] = UnityUtility.worldToLocal(parent.transform, worldCorner);
}
if (!includeRotation)
{
rectTransform.rotation = lastQuat;
}
}
public static Vector3 localToWorld(Transform transform, Vector3 local)
{
#if MAKE_CS_DLL
return((Vector3)callStatic(UTILITY_UNITY, "localToWorld", new object[] { transform, local }));
#else
return(UnityUtility.localToWorld(transform, local));
#endif
}