public void setNormal(float x, float y, float z) {
        this.normal.set(x, y, z);
    }
<code>setNormal</code> sets the normal of the plane.

@param x the desired X component for the normal vector
@param y the desired Y component for the normal vector
@param z the desired Z component for the normal vector
jme3-core/src/main/java/com/jme3/math/Plane.java