readVector3d static method
- CompoundTag tag,
 - String name
 
Implementation
static Vector3d readVector3d(CompoundTag tag, String name) {
  if (tag.containsKey(name)) {
    ListTag lst = tag.get(name)! as ListTag;
    return Vector3d(
        X: lst.get(0).asDouble(),
        Y: lst.get(1).asDouble(),
        Z: lst.get(2).asDouble());
  } else {
    return Vector3d.ZERO;
  }
}