FGFS-4.1/simgear
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Use a different coloring scheme.

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This commit is contained in:
ehofman
2004-05-25 07:58:33 +00:00
parent 710c2ccfcd
commit dec1e32f96
1 changed files with 14 additions and 8 deletions
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22
simgear/scene/sky/cloud.cxx
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@@ -28,10 +28,6 @@ inline int (isinf)(double r) { return isinf(r); }
inline int (isnan)(double r) { return isnan(r); }
#endif
#if defined(__MINGW32__)
#define isnan(x) _isnan(x)
#endif
// #include STL_IOSTREAM
#include <plib/sg.h>
@@ -47,6 +43,10 @@ inline int (isnan)(double r) { return isnan(r); }
#include "cloud.hxx"
#if defined(__MINGW32__)
#define isnan(x) _isnan(x)
#endif
static ssgStateSelector *layer_states[SGCloudLayer::SG_MAX_CLOUD_COVERAGES];
static bool state_initialized = false;
@@ -865,17 +865,23 @@ void SGCloudLayer::draw( bool top ) {
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glPolygonMode( GL_FILL, GL_FRONT_AND_BACK );
glShadeModel( GL_SMOOTH );
glEnable( GL_COLOR_MATERIAL );
sgVec4 color;
sgSetVec4( color, 0.05, 0.05, 0.05, 0.0 );
float emis = 0.05;
if ( top ) {
ssgGetLight( 0 )->getColour( GL_DIFFUSE, color );
emis = ( color[0]+color[1]+color[2] ) / 3.0;
if ( emis < 0.05 )
emis = 0.05;
}
sgSetVec4( color, emis, emis, emis, 0.0 );
glMaterialfv( GL_FRONT_AND_BACK, GL_EMISSION, color );
sgSetVec4( color, 0.8, 0.8, 0.8, 0.0 );
sgSetVec4( color, 1.0f, 1.0f, 1.0f, 0.0 );
glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT, color );
sgSetVec4( color, 0.5, 0.5, 0.5, 0.0 );
glMaterialfv( GL_FRONT_AND_BACK, GL_DIFFUSE, color );
sgSetVec4( color, 1.0, 1.0, 1.0, 1.0 );
sgSetVec4( color, 0.0, 0.0, 0.0, 0.0 );
glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR, color );
glActiveTexturePtr( GL_TEXTURE0_ARB );