copyCubic method
Implementation
void copyCubic(CubicPathPoint from) {
super.copy(from);
Vec2D.copy(_in, from._in);
Vec2D.copy(_out, from._out);
}
void copyCubic(CubicPathPoint from) {
super.copy(from);
Vec2D.copy(_in, from._in);
Vec2D.copy(_out, from._out);
}