public KeystoningCorners(XmlNode xmlNode) : this() { corners[0] = XMLUtil.GetVector2FromXmlNode(xmlNode.SelectSingleNode("topLeft")); corners[1] = XMLUtil.GetVector2FromXmlNode(xmlNode.SelectSingleNode("topRight")); corners[2] = XMLUtil.GetVector2FromXmlNode(xmlNode.SelectSingleNode("bottomRight")); corners[3] = XMLUtil.GetVector2FromXmlNode(xmlNode.SelectSingleNode("bottomLeft")); }