copy method
Copies another name
object to this instance.
Implementation
@override
EllipseCurve copy(Curve source) {
if(source is EllipseCurve){
super.copy(source);
aX = source.aX;
aY = source.aY;
xRadius = source.xRadius;
yRadius = source.yRadius;
aStartAngle = source.aStartAngle;
aEndAngle = source.aEndAngle;
aClockwise = source.aClockwise;
aRotation = source.aRotation;
}
return this;
}