Cortex  10.0.0-a4
PerlinNoise.h
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34 
35 #ifndef IE_CORE_PERLINNOISE_H
36 #define IE_CORE_PERLINNOISE_H
37 
38 #include "IECore/VectorTraits.h"
39 
40 #include "OpenEXR/ImathVec.h"
41 #include "OpenEXR/ImathColor.h"
42 
43 #include <vector>
44 
45 namespace IECore
46 {
47 
54 template<typename T>
56 {
57  inline T operator()( T t ) const;
58 };
59 
64 template<typename T>
66 {
67  inline T operator()( T t ) const;
68 };
69 
82 template<typename P, typename V, typename F>
84 {
85 
86  public :
87  typedef PerlinNoise<P,V,F> *Ptr;
88  typedef P Point;
90  typedef typename VectorTraits<P>::BaseType PointBaseType;
91  typedef V Value;
93  typedef typename VectorTraits<V>::BaseType ValueBaseType;
94 
98  PerlinNoise( unsigned long int seed = 0 );
100  PerlinNoise( const PerlinNoise &other );
101 
104  void initGradients( unsigned long int seed );
105 
108  inline Value noise( const Point &p ) const;
110  inline Value noise( const Point &p, PointBaseType filterWidth ) const;
111 
114  inline Value operator()( const Point &p ) const;
116  inline Value operator()( const Point &p, PointBaseType filterWidth ) const;
117 
118  private :
119 
120  inline Value noiseWalk( int *pi, const Point &pf, int d ) const;
121 
122  static const unsigned int m_maxPointDimensions = 4;
123  static const unsigned int m_permSize = 256;
124  std::vector<unsigned int> m_perm;
125  std::vector<Value> m_grad;
126 
127  F m_falloff;
128 
129 };
130 
135 
139 
143 
147 
148 } // namespace IECore
149 
150 #include "IECore/PerlinNoise.inl"
151 
152 #endif // IE_CORE_PERLINNOISE_H
PerlinNoise(unsigned long int seed=0)
Definition: VectorTraits.h:48
Value noise(const Point &p) const
Definition: PerlinNoise.h:83
PerlinNoise< Imath::V3f, float, SmootherStepFalloff< float > > PerlinNoiseV3ff
Typedefs for common uses.
Definition: PerlinNoise.h:132
Definition: PerlinNoise.h:65
T::BaseType BaseType
The type of the components of the vector.
Definition: VectorTraits.h:51
Definition: PerlinNoise.h:55
This namespace contains all components of the core library.
Definition: AddSmoothSkinningInfluencesOp.h:43
Value operator()(const Point &p) const
void initGradients(unsigned long int seed)