lightNumBinder = new UniformIntBinder();
SceneBinders.associateUniformWithNodes( nodes, lightNumBinder, "numberOfLights" );
SceneBinders.setStateBinderWithNodes( nodes, lightNumBinder );
lightProjMatBinder = new UniformMat4Binder();
SceneBinders.associateUniformWithNodes( nodes, lightProjMatBinder, "cameraToLightProjMatrix" );
SceneBinders.setStateBinderWithNodes( nodes, lightProjMatBinder );
camLightPosBinder = new UniformVec3Binder();
SceneBinders.associateUniformWithNodes( nodes, camLightPosBinder, "cameraSpaceProjLightPos" );