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Use sqrt(x) and x*x instead of pow(x, 0.5) and pow(x, 2.0)

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ehofman 2003-06-27 21:29:48 +00:00
parent b6f87921cd
commit 455b2b3a91
1 changed files with 3 additions and 3 deletions
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6
src/Time/light.cxx
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@ -165,7 +165,7 @@ void fgLIGHT::Update( void ) {
// adjust the cloud colors for sunrise/sunset effects (darken them)
if (sun_angle > 1.0) {
float sun2 = pow(sun_angle, 0.5);
float sun2 = sqrt(sun_angle);
cloud_color[0] /= sun2;
cloud_color[1] /= sun2;
cloud_color[2] /= sun2;
@ -225,8 +225,8 @@ void fgLIGHT::UpdateAdjFog( void ) {
// Calculate the fog color in the direction of the sun for
// sunrise/sunset effects.
//
float s_red = (fog_color[0] + 2 * pow(sun_color[0], 2)) / 3;
float s_green = (fog_color[1] + 2 * pow(sun_color[1], 2)) / 3;
float s_red = (fog_color[0] + 2 * sun_color[0]*sun_color[0]) / 3;
float s_green = (fog_color[1] + 2 * sun_color[1]*sun_color[1]) / 3;
float s_blue = (fog_color[2] + 2 * sun_color[2]) / 3;
// interpolate beween the sunrise/sunset color and the color