copy method
Implementation
Object3D copy(Object3D source, [bool? recursive = true]) {
recursive = recursive ?? true;
name = source.name;
up.copy(source.up);
position.copy(source.position);
rotation.order = source.rotation.order;
quaternion.copy(source.quaternion);
scale.copy(source.scale);
matrix.copy(source.matrix);
matrixWorld.copy(source.matrixWorld);
matrixAutoUpdate = source.matrixAutoUpdate;
matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;
layers.mask = source.layers.mask;
visible = source.visible;
castShadow = source.castShadow;
receiveShadow = source.receiveShadow;
frustumCulled = source.frustumCulled;
renderOrder = source.renderOrder;
userData = json.decode(json.encode(source.userData));
if (recursive == true) {
for (var i = 0; i < source.children.length; i++) {
var child = source.children[i];
add(child.clone());
}
}
return this;
}