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Darken the clouds near sunrise/sunset

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ehofman 2003-05-16 17:35:48 +00:00
parent e9f4fc5972
commit 93487f06b3
1 changed files with 8 additions and 0 deletions
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8
src/Time/light.cxx
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@ -173,6 +173,14 @@ void fgLIGHT::Update( void ) {
fog_color[1] = cloud_color[1] * (0.48 + sun_color[1]/1.923); // 40% green fog_color[1] = cloud_color[1] * (0.48 + sun_color[1]/1.923); // 40% green
fog_color[2] = cloud_color[2] * sun_color[2]; // 0% blue fog_color[2] = cloud_color[2] * sun_color[2]; // 0% blue
fog_color[3] = cloud_color[3]; fog_color[3] = cloud_color[3];
// update the cloud colors for sunrise/sunset effects (darken them)
if (sun_angle > 1.0) {
float sun_2x = sqrt(sun_angle);
cloud_color[0] /= sun_2x;
cloud_color[1] /= sun_2x;
cloud_color[2] /= sun_2x;
}
} }