1
0
Fork 0

Merge branch 'next' of git://gitorious.org/fg/flightgear into next

This commit is contained in:
Frederic Bouvier 2012-02-05 15:18:26 +01:00
commit 65628aab54

View file

@ -381,10 +381,17 @@ void FGLight::update_adj_fog_color () {
float rf1 = fabs(fmod(hor_rotation, SGD_2PI) - SGD_PI) / SGD_PI;
float rf2 = avf * pow(rf1*rf1, 1/sif) * 1.0639 * _saturation * _scattering;
// HACK: clamp rf2 to 1.0.
// Somehow, rf2 is huge at certain sun angles (around midnight), which results in
// rf3 being negative and hence negative fog colors and weird display issues...
// Something more fundamental may be wrong with the formulas here...
if (rf2>1.0) rf2 = 1.0;
float rf3 = 1.0 - rf2;
gamma = system_gamma * (0.9 - sif*avf);
_adj_fog_color = rf3 * _fog_color + rf2 * _sun_color;;
_adj_fog_color = rf3 * _fog_color + rf2 * _sun_color;
gamma_correct_rgb( _adj_fog_color.data(), gamma);
// make sure the colors have their original value before they are being