Method _getFogColor

Engine/source/environment/scatterSky.cpp:1333–1378

}

void ScatterSky::_getFogColor( LinearColorF *outColor )
{
   PROFILE_SCOPE( ScatterSky_GetFogColor );

   VectorF scatterPos( 0, 0, 0 );

   F32 sunBrightness = mSkyBrightness;
   mSkyBrightness *= 0.25f;

   F32 yaw = 0, pitch = 0, originalYaw = 0;
   VectorF fwd( 0, 1.0f, 0 );
   MathUtils::getAnglesFromVector( fwd, yaw, pitch );
   originalYaw = yaw;
   pitch = mDegToRad( 10.0f );

   LinearColorF tmpColor( 0, 0, 0 );

   U32 i = 0;
   for ( i = 0; i < 10; i++ )
   {
      MathUtils::getVectorFromAngles( scatterPos, yaw, pitch );

      scatterPos.x *= smEarthRadius + smAtmosphereRadius;
      scatterPos.y *= smEarthRadius + smAtmosphereRadius;
      scatterPos.z *= smEarthRadius + smAtmosphereRadius;
      scatterPos.y -= smEarthRadius;

      _getColor( scatterPos, &tmpColor );
      (*outColor) += tmpColor;

      if ( i <= 5 )
         yaw += mDegToRad( 5.0f );
      else
      {
         originalYaw += mDegToRad( -5.0f );
         yaw = originalYaw;
      }

      yaw = mFmod( yaw, M_2PI_F );
   }

   if ( i > 0 )
      (*outColor) /= i;

   mSkyBrightness = sunBrightness;
}

F32 ScatterSky::_vernierScale( F32 fCos )
{