625c30d8bd
Unfortunately the noise functions is only like 7% faster, so you won't even notice git-svn-id: http://mc-server.googlecode.com/svn/trunk@9 0a769ca7-a7f5-676a-18bf-c427514a06d6
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
#pragma once
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#include <emmintrin.h>
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class cNoise
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{
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public:
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cNoise( unsigned int a_Seed );
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~cNoise();
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float IntNoise( int a_X ) const;
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float IntNoise2D( int a_X, int a_Y ) const;
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__m128 SSE_IntNoise2D( int a_X1, int a_Y1, int a_X2, int a_Y2, int a_X3, int a_Y3, int a_X4, int a_Y4 ) const;
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float IntNoise3D( int a_X, int a_Y, int a_Z ) const;
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float LinearNoise1D( float a_X ) const;
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float CosineNoise1D( float a_X ) const;
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float CubicNoise1D( float a_X ) const;
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float SmoothNoise1D( int a_X ) const;
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float LinearNoise2D( float a_X, float a_Y ) const;
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float CosineNoise2D( float a_X, float a_Y ) const;
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float CubicNoise2D( float a_X, float a_Y ) const;
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float SSE_CubicNoise2D( float a_X, float a_Y ) const;
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float CosineNoise3D( float a_X, float a_Y, float a_Z ) const;
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float CubicNoise3D( float a_X, float a_Y, float a_Z ) const;
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void SetSeed( unsigned int a_Seed ) { m_Seed = a_Seed; }
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private:
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float CubicInterpolate( float a_A, float a_B, float a_C, float a_D, float a_Pct ) const;
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__m128 CubicInterpolate4( const __m128 & a_A, const __m128 & a_B, const __m128 & a_C, const __m128 & a_D, float a_Pct ) const;
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float CosineInterpolate( float a_A, float a_B, float a_Pct ) const;
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float LinearInterpolate( float a_A, float a_B, float a_Pct ) const;
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unsigned int m_Seed;
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};
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