all method
Implementation
bool all(ComopnentWalkCallback cb) {
if (cb(this) == false) {
return false;
}
if (_children != null) {
for (final ActorComponent child in _children) {
if (cb(child) == false) {
return false;
}
if (child is ActorNode) {
child.eachChildRecursive(cb);
}
}
}
return true;
}