@ -680,7 +680,7 @@ void WeatherManager::update(float duration, bool paused)
if ( !is_night ) {
theta = M_PI * (adjustedHour - mSunriseTime) / dayDuration;
} else {
theta = M_PI * (adjustedHour - adjustedNightStart) / nightDuration;
theta = M_PI * (1.f - (adjustedHour - adjustedNightStart) / nightDuration);
}
osg::Vec3f final(