LuminanceDecay()

float anonymous_namespace{Painter.cpp}::LuminanceDecay

(

float

time

)

Definition at line 14 of file Painter.cpp.

                                 {
  typedef InterpData<float, float> Datum;
  static const Datum kData[] = {
    Datum(0,  0),
    Datum(1,  0),
    Datum(10, 0),
    Datum(47, 60),
    Datum(120, 100),
    Datum(230, 160),
    Datum(250, 255),
    Datum(254, 255),
    Datum(255, 64), 
  };
  
  const float key = time * 255.f;
  static const int n = sizeof(kData) / sizeof(kData[0]);    
  float approx_val = Interp(key, kData, n);
  
 
  static const float k = (1.0f / 255.f);
  const float out = approx_val * k;    
  return out;
}

References Interp().

Referenced by CalcLuminance().

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