RidgedNoise.h

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// RidgedNoise.h
 
// Implements the cRidgedNoise template class that generates ridged noise based on another noise provider.
 
 
 
 
 
#pragma once
 
 
 
 
 
template <typename N>
class cRidgedNoise
{
public:
    cRidgedNoise(void):
        m_Noise(0)
    {
    }
 
 
    cRidgedNoise(int a_Seed):
        m_Noise(a_Seed)
    {
    }
 
 
    void SetSeed(int a_Seed)
    {
        m_Noise.SetSeed(a_Seed);
    }
 
 
    void Generate2D(
        NOISE_DATATYPE * a_Array,                        
        int a_SizeX, int a_SizeY,                        
        NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX,  
        NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY   
    ) const
    {
        int ArrayCount = a_SizeX * a_SizeY;
        m_Noise.Generate2D(
            a_Array, a_SizeX, a_SizeY,
            a_StartX, a_EndX,
            a_StartY, a_EndY
        );
        for (int i = 0; i < ArrayCount; i++)
        {
            a_Array[i] = std::abs(a_Array[i]);
        }
    }
 
 
    void Generate3D(
        NOISE_DATATYPE * a_Array,                        
        int a_SizeX, int a_SizeY, int a_SizeZ,           
        NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX,  
        NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY,  
        NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ   
    ) const
    {
        int ArrayCount = a_SizeX * a_SizeY * a_SizeZ;
        m_Noise.Generate2D(
            a_Array, a_SizeX, a_SizeY, a_SizeZ,
            a_StartX, a_EndX,
            a_StartY, a_EndY,
            a_StartZ, a_EndZ
        );
        for (int i = 0; i < ArrayCount; i++)
        {
            a_Array[i] = std::abs(a_Array[i]);
        }
    }
 
protected:
    N m_Noise;
} ;