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

    public Vector3f normalizeLocal() {
        // NOTE: this implementation is more optimized
        // than the old jme normalize as this method
        // is commonly used.
        float length = x * x + y * y + z * z;
        if (length != 1f && length != 0f) {
            length = 1.0f / FastMath.sqrt(length);
            x *= length;
            y *= length;
            z *= length;
        }
        return this;
    }

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

}