Source/System/Cluster/Window/SortFirst/OSGTileGeometryLoad.inl

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  36
  37 OSG_BEGIN_NAMESPACE
  38
  39 inline Real32 TileGeometryLoad::getFaceDistribution(UInt32 dir,Real32 cut)
  40 {
  41     if(cut<=0)
  42     {
  43         return 0.0;
  44     }
  45
  46     if(cut >=1.0)
  47     {
  48         return 1.0;
  49     }
  50     cut *= FACE_DISTRIBUTION_SAMPLING_COUNT - 1;
  51
  52     UInt32 a = UInt32(floor(cut));
  53     Real32 f = cut - a;
  54
  55     return
  56         _faceDistribution[dir][a] +
  57             (_faceDistribution[dir][a+1] - _faceDistribution[dir][a]) * f;
  58 }
  59
  60 OSG_END_NAMESPACE
  61
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  65