/ray/src/lib/numerics/noise/perlin.cc File Reference

#include "perlin.h"

Include dependency graph for perlin.cc:

Go to the source code of this file.

Namespaces
namespace	NUM
Defines
#define	s_curve(t)   ( t * t * (T(3.0) - T(2.0) * t) )
#define	lerp(t, a, b)   ( a + t * (b - a) )
#define	setup(i, b0, b1, r0, r1)
#define	at2(rx, ry)   ( rx * q[0] + ry * q[1] )
#define	at3(rx, ry, rz)   ( rx * q[0] + ry * q[1] + rz * q[2] )

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Define Documentation

#define at2 (  rx, ry   )     ( rx * q[0] + ry * q[1] )

Referenced by NUM::NoiseGenerator_Perlin< T >::noise2().

#define at3 (  rx, ry, rz   )     ( rx * q[0] + ry * q[1] + rz * q[2] )

Referenced by NUM::NoiseGenerator_Perlin< T >::noise3().

#define lerp (  t, a, b   )     ( a + t * (b - a) )

Definition at line 81 of file perlin.cc.

#define s_curve (  t   )     ( t * t * (T(3.0) - T(2.0) * t) )

Definition at line 79 of file perlin.cc. Referenced by NUM::NoiseGenerator_Perlin< T >::noise1(), NUM::NoiseGenerator_Perlin< T >::noise2(), and NUM::NoiseGenerator_Perlin< T >::noise3().

#define setup (  i, b0, b1, r0, r1   )

Value: t = vc[i] + N;\ b0 = ((int)t) & (B-1);\ b1 = (b0+1) & (B-1);\ r0 = t - (int)t;\ r1 = r0 - 1.; Definition at line 83 of file perlin.cc. Referenced by NUM::NoiseGenerator_Perlin< T >::noise1().

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