public Vector4f multLocal(float scalar) {
        x *= scalar;
        y *= scalar;
        z *= scalar;
        w *= scalar;
        return this;
    }
<code>multLocal</code> multiplies this vector by a scalar internally,
and returns a handle to this vector for easy chaining of calls.

@param scalar
           the value to multiply this vector by.
@return this
jme3-core/src/main/java/com/jme3/math/Vector4f.java