class Vector3f implements Savable, Cloneable, java.io.Serializable {

    public Vector3f subtract(Vector3f vec) {
        return new Vector3f(x - vec.x, y - vec.y, z - vec.z);
    }

    public  Vector3f();
    public  Vector3f(float x, float y, float z);
    public  Vector3f(Vector3f copy);

}