public void setTranslation(float x, float y, float z) {
        m03 = x;
        m13 = y;
        m23 = z;
    }
Alter the translation component of this 3-D coordinate transform.

@param x the desired X-axis offset
@param y the desired Y-axis offset
@param z the desired Z-axis offset
jme3-core/src/main/java/com/jme3/math/Matrix4f.java