writeVector3d static method
- CompoundTag tag,
 - String name,
 - Vector3d pos
 
Implementation
static void writeVector3d(CompoundTag tag, String name, Vector3d pos) {
  ListTag posTag = ListTag();
  posTag.add(DoubleTag.valueOf(pos.X));
  posTag.add(DoubleTag.valueOf(pos.Y));
  posTag.add(DoubleTag.valueOf(pos.Z));
  tag.put(name, posTag);
}