public double Get(double x, double y, double z)
{
double value = 1.0;
x *= _frequency;
y *= _frequency;
z *= _frequency;
for (int i = 0; i < _numOctaves; ++i)
{
value *= _source.Get(x, y, z) * _exparray[i] + 1.0;
x *= _lacunarity;
y *= _lacunarity;
z *= _lacunarity;
}
if (_withValueRemap)
{
FractalRemap remap = _fractalRemap[_numOctaves - 1];
if (base._defaultRange == enuBaseNoiseRange.MinOneToOne)
{
return(value * remap.Scale + remap.Bias);
}
else
{
return(((value * remap.Scale + remap.Bias) + 1.0) / 2.0);
}
}
else
{
return(value);
}
}
public double Get(double x, double y)
{
double value = 0.0, signal;
x *= _frequency;
y *= _frequency;
for (int i = 0; i < _numOctaves; ++i)
{
signal = _source.Get(x, y);
signal = _offset - Math.Abs(signal);
signal *= signal;
value += signal * _exparray[i];
x *= _lacunarity;
y *= _lacunarity;
}
if (_withValueRemap)
{
FractalRemap remap = _fractalRemap[_numOctaves - 1];
if (base._defaultRange == enuBaseNoiseRange.MinOneToOne)
{
return(value * remap.Scale + remap.Bias);
}
else
{
return(((value * remap.Scale + remap.Bias) + 1.0) / 2.0);
}
}
else
{
return(value);
}
}
public double Get(double x, double y, double z, double w)
{
double value, signal, weight;
x *= _frequency;
y *= _frequency;
z *= _frequency;
w *= _frequency;
value = _source.Get(x, y, z, w) + _offset;
weight = _gain * value;
x *= _lacunarity;
y *= _lacunarity;
z *= _lacunarity;
w *= _lacunarity;
for (int i = 1; i < _numOctaves; ++i)
{
if (weight > 1.0)
{
weight = 1.0;
}
signal = (_source.Get(x, y, z, w) + _offset) * _exparray[i];
value += weight * signal;
weight *= _gain * signal;
x *= _lacunarity;
y *= _lacunarity;
z *= _lacunarity;
w *= _lacunarity;
}
if (_withValueRemap)
{
FractalRemap remap = _fractalRemap[_numOctaves - 1];
if (base._defaultRange == enuBaseNoiseRange.MinOneToOne)
{
return(value * remap.Scale + remap.Bias);
}
else
{
return(((value * remap.Scale + remap.Bias) + 1.0) / 2.0);
}
}
else
{
return(value);
}
}
