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Revert most of the previous patch, it didn't improve the dome since it wat adjusting the wrong bads

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ehofman
2009-04-12 11:42:34 +00:00
committed by Tim Moore
parent c9d0eac739
commit ceeac0ecf0
1 changed files with 4 additions and 13 deletions
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17
simgear/scene/sky/dome.cxx
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@@ -63,6 +63,7 @@ struct DomeParam
const int numRings = sizeof(domeParams) / sizeof(domeParams[0]);
const int numBands = 12;
const int halfBands = numBands/2;
}
static const float upper_radius = 0.9701; // (.6, 0.15)
@@ -267,24 +268,14 @@ SGSkyDome::repaint( const SGVec3f& sun_color, const SGVec3f& sky_color,
// interpolated between the zenith color and the first horizon
// ring color.
int halfBands = numBands/2;
float ialpha_init = 1.0/halfBands;
float alpha = 1.0, ialpha = 0.0;
for (int i = 0; i < halfBands+1; i++) {
SGVec3f diff = mult(skyFogDelta, blueShift);
diff *= (0.8 + saif - ((halfBands-i)/10));
colors(2, i) = (sky_color - upperVisFactor * diff).osg();
colors(3, i) = (sky_color - middleVisFactor * diff + middle_amt).osg();
colors(4, i) = (fog_color + outer_amt).osg();
// Interpolate using distance along dome segment
SGVec3f trans_color;
trans_color[0] = sun_color[0]*alpha + sky_color[0]*ialpha;
trans_color[1] = sun_color[1]*alpha + sky_color[1]*ialpha;
trans_color[2] = sun_color[2]*alpha + sky_color[2]*ialpha;
ialpha += ialpha_init;
alpha -= ialpha_init;
colors(0, i) = simgear::math::lerp(trans_color.osg(), colors(2, i), .3942);
colors(1, i) = simgear::math::lerp(trans_color.osg(), colors(2, i), .7885);
colors(0, i) = simgear::math::lerp(sky_color.osg(), colors(2, i), .3942);
colors(1, i) = simgear::math::lerp(sky_color.osg(), colors(2, i), .7885);
for (int j = 0; j < numRings - 1; ++j)
clampColor(colors(j, i));
outer_amt -= outer_diff;
@@ -293,7 +284,7 @@ SGSkyDome::repaint( const SGVec3f& sun_color, const SGVec3f& sky_color,
for (int i = halfBands+1; i < numBands; ++i)
for (int j = 0; j < 5; ++j)
colors(j, i) = colors(j, 12 - i);
colors(j, i) = colors(j, numBands - i);
fade_to_black(&(*dome_cl)[0], asl * center_elev, 1);
for (int i = 0; i < numRings - 1; ++i)