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Changes needed after adding the gamma correction. I think it needs (atleast) one round of updates to get it right, but I've got to go now

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ehofman 2003-05-17 14:29:34 +00:00
parent 5b2e9467be
commit ebaa19f1d6
1 changed files with 5 additions and 7 deletions
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12
src/Time/light.cxx
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@ -176,7 +176,7 @@ void fgLIGHT::Update( void ) {
// update the cloud colors for sunrise/sunset effects (darken them) // update the cloud colors for sunrise/sunset effects (darken them)
if (sun_angle > 1.0) { if (sun_angle > 1.0) {
float sun2 = pow(sun_angle, 1.4); float sun2 = sqrt(sun_angle);
cloud_color[0] /= sun2; cloud_color[0] /= sun2;
cloud_color[1] /= sun2; cloud_color[1] /= sun2;
cloud_color[2] /= sun2; cloud_color[2] /= sun2;
@ -270,16 +270,16 @@ void fgLIGHT::UpdateAdjFog( void ) {
#else #else
float rf1 = 0.1 + fabs((rotation - SG_PI) / SG_PI) * 0.8; // 0.1 .. 0.9 float rf1 = fabs((rotation - SG_PI) / SG_PI); // 0.0 .. 1.0
float rf2 = rf1 * rf1; float rf2 = rf1 * rf1;
float rf3 = 1.0 - rf1; float rf3 = 1.0 - rf1;
float *sun_color = thesky->get_sun_color(); float *sun_color = thesky->get_sun_color();
float s_red = fog_color[0] * (1.26 - sun_color[0]/4.0); // 100% red float s_red = fog_color[0] * (1.25 - sun_color[0]/4.0); // 100% red
float s_green = fog_color[1] * (0.45 + sun_color[1]/2.0); // 40% green float s_green = fog_color[1] * (0.48 + sun_color[1]/1.923); // 40% green
float s_blue = fog_color[2] * sun_color[2]; // 0% blue float s_blue = fog_color[2] * sun_color[2]; // 0% blue
float f_brightness = (sun_angle > 1.0) ? sun_angle : 1.0; float f_brightness = (sun_angle > 1.0) ? sqrt(sun_angle) : 1.0;
float f_red = fog_color[0] / f_brightness; float f_red = fog_color[0] / f_brightness;
float f_green = fog_color[1] / f_brightness; float f_green = fog_color[1] / f_brightness;
float f_blue = (fog_color[2] / f_brightness) * pow(sun_color[2], 1/3); float f_blue = (fog_color[2] / f_brightness) * pow(sun_color[2], 1/3);
@ -298,5 +298,3 @@ fgLIGHT::~fgLIGHT( void ) {
} }