toJson method
Implementation
@override
Map<String, dynamic> toJson() {
return {
"p": p,
"pt": pt,
"pr": pr,
"pb": pb,
"pl": pl,
"px": px,
"py": py,
"m": m,
"mt": mt,
"mr": mr,
"mb": mb,
"ml": ml,
"mx": mx,
"my": my
};
}