OpenSceneGraph/src/osg/Fog.cpp

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#include "osg/Fog"
using namespace osg;
Fog::Fog()
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{
_mode = EXP;
_density = 1.0f;
_start = 0.0f;
_end = 1.0f;
_color.set( 0.0f, 0.0f, 0.0f, 0.0f);
}
Fog::~Fog()
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{
}
void Fog::apply(State&) const
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{
glFogi( GL_FOG_MODE, _mode );
glFogf( GL_FOG_DENSITY, _density );
glFogf( GL_FOG_START, _start );
glFogf( GL_FOG_END, _end );
glFogfv( GL_FOG_COLOR, (GLfloat*)_color.ptr() );
}