If I set the colour of the light in draw then it updates the lighting which fixes the problem
mPointLight.setSpecularColor( ofFloatColor(1.f, 1.f, 1.f) );
mPointLight.setDiffuseColor( ofFloatColor(1.f, 1.f, 1.f) );
If I set the colour of the light in draw then it updates the lighting which fixes the problem
mPointLight.setSpecularColor( ofFloatColor(1.f, 1.f, 1.f) );
mPointLight.setDiffuseColor( ofFloatColor(1.f, 1.f, 1.f) );