copy method
Implementation
@override
copy(source) {
super.copy(source);
v0.copy(source.v0);
v1.copy(source.v1);
v2.copy(source.v2);
v3.copy(source.v3);
return this;
}
@override
copy(source) {
super.copy(source);
v0.copy(source.v0);
v1.copy(source.v1);
v2.copy(source.v2);
v3.copy(source.v3);
return this;
}