lights: protected void initLights() { lightState = display.getRenderer().createLightState(); lightState.setEnabled(true); light1 = new DirectionalLight(); light1.setAmbient(new ColorRGBA(Config.SUNAMBIENT, Config.SUNAMBIENT, Config.SUNAMBIENT, 1.0f)); light1.setDiffuse(new ColorRGBA(Config.SUNDIFFUSE, Config.SUNDIFFUSE, Config.SUNDIFFUSE, 1.0f)); light1.setDirection(world.sunlightVector); light1.setEnabled(true); lightState.attach(light1); lightState.setGlobalAmbient(new ColorRGBA(Config.AMBIENT, Config.AMBIENT, Config.AMBIENT, 1.0f)); rootNode.setRenderState(lightState); } Where Config values are: SunAmbient=0.5 SunDiffuse=1.0 Ambient=0.6