lights configuration .cpp

	// setup lights
	
	ofSetSmoothLighting(true);		// nicer lighting rendering

	
	// setup point light
	
	light.setPointLight();
	
	light.setPosition(0, 0, 200);
	light.setDiffuseColor( ofColor::white );

	light.setAttenuation(.5);	// adjust the light throw
	
	
	// setup spot light
	
	spotlight.setSpotlight();
	
	spotlight.setPosition(300, 0, 0);
	spotlight.lookAt(sphere);
	spotlight.setDiffuseColor( ofColor::blue );
	light.setSpecularColor( ofColor::fuchsia );

draw()
   ofEnableLighting();        // turn on lighting globally
    ofEnableDepthTest();    // render objects in order of depth
    
    light.enable();            // enable our lights
    spotlight.enable();