diff options
Diffstat (limited to 'src/Noise.h')
| -rw-r--r-- | src/Noise.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/Noise.h b/src/Noise.h index 83af0cf08..4cf8d4ad8 100644 --- a/src/Noise.h +++ b/src/Noise.h @@ -5,6 +5,12 @@ #pragma once +#include <cmath> + + + + + // Some settings #define NOISE_DATATYPE float @@ -33,6 +39,12 @@ public: INLINE NOISE_DATATYPE IntNoise2D(int a_X, int a_Y) const; INLINE NOISE_DATATYPE IntNoise3D(int a_X, int a_Y, int a_Z) const; + // Return a float number in the specified range: + INLINE NOISE_DATATYPE IntNoise2DInRange(int a_X, int a_Y, float a_Min, float a_Max) const + { + return a_Min + std::abs(IntNoise2D(a_X, a_Y)) * (a_Max - a_Min); + } + // Note: These functions have a mod8-irregular chance - each of the mod8 remainders has different chance of occurrence. Divide by 8 to rectify. INLINE int IntNoise1DInt(int a_X) const; INLINE int IntNoise2DInt(int a_X, int a_Y) const; @@ -100,7 +112,7 @@ protected: cNoise m_Noise; // Used for integral rnd values #ifdef _DEBUG - // Statistics on the noise-space coords: + // Statistics on the noise-space coords: static int m_NumSingleX; static int m_NumSingleXY; static int m_NumSingleY; @@ -256,7 +268,7 @@ protected: -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// // Inline function definitions: // These need to be in the header, otherwise linker error occur in MSVC @@ -361,7 +373,7 @@ NOISE_DATATYPE cNoise::LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// // Global functions: extern void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase); |