public Matrix3f multLocal(float scale) {
        m00 *= scale;
        m01 *= scale;
        m02 *= scale;
        m10 *= scale;
        m11 *= scale;
        m12 *= scale;
        m20 *= scale;
        m21 *= scale;
        m22 *= scale;
        return this;
    }
Multiplies by the scalar argument and returns the (modified) current
instance.

@param scale the scaling factor
@return the (modified) current instance (for chaining)
jme3-core/src/main/java/com/jme3/math/Matrix3f.java