public Vector3 WorldSize(RectTransform rt)
{
int rot = (int)rt.eulerAngles.z;
Vector3 eulerSave = rt.eulerAngles;
if(rot > 88 && rot < 92){
rot = 270;
}else if(rot > 178 && rot < 182){
rot = 180;
}else if(rot > 268 && rot < 272){
rot = 90;
}else if(rot > 358 || rot < 2){
rot = 0;
}
//rot is now clockwise and right-angled
rt.eulerAngles = new Vector3(0f,0f,0f);
Vector3 result = new Vector3(0f,0f,0f);
if(rot == 0 || rot == 180){
result = rt.TransformVector(rt.rect.size);
}else if(rot == 90 || rot == 270){
result = rt.TransformVector(new Vector3(rt.rect.size.y,rt.rect.size.x,0f));
}
rt.eulerAngles = eulerSave;
return result;
}