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Clean up Noise macros

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This commit is contained in:
kwolekr 2014-12-11 02:53:10 -05:00
parent c07f15e910
commit fb80a7c111
5 changed files with 108 additions and 67 deletions
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74
src/noise.h
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@ -151,6 +151,25 @@ public:
float *perlinMap2D(float x, float y, float *persistence_map=NULL);
float *perlinMap3D(float x, float y, float z, float *persistence_map=NULL);
inline float *perlinMap2D_PO(float x, float xoff, float y, float yoff,
float *persistence_map=NULL)
{
return perlinMap2D(
x + xoff * np.spread.X,
y + yoff * np.spread.Y,
persistence_map);
}
inline float *perlinMap3D_PO(float x, float xoff, float y, float yoff,
float z, float zoff, float *persistence_map=NULL)
{
return perlinMap3D(
x + xoff * np.spread.X,
y + yoff * np.spread.Y,
z + zoff * np.spread.Z,
persistence_map);
}
private:
void allocBuffers();
void resizeNoiseBuf(bool is3d);
@ -158,6 +177,28 @@ private:
};
float NoisePerlin2D(NoiseParams *np, float x, float y, int seed);
float NoisePerlin3D(NoiseParams *np, float x, float y, float z, int seed);
inline float NoisePerlin2D_PO(NoiseParams *np, float x, float xoff,
float y, float yoff, int seed)
{
return NoisePerlin2D(np,
x + xoff * np->spread.X,
y + yoff * np->spread.Y,
seed);
}
inline float NoisePerlin3D_PO(NoiseParams *np, float x, float xoff,
float y, float yoff, float z, float zoff, int seed)
{
return NoisePerlin3D(np,
x + xoff * np->spread.X,
y + yoff * np->spread.Y,
z + zoff * np->spread.Z,
seed);
}
// Return value: -1 ... 1
float noise2d(int x, int y, int seed);
float noise3d(int x, int y, int z, int seed);
@ -184,38 +225,5 @@ inline float easeCurve(float t)
float contour(float v);
#define NoisePerlin2D(np, x, y, s) \
((np)->offset + (np)->scale * noise2d_perlin( \
(float)(x) / (np)->spread.X, \
(float)(y) / (np)->spread.Y, \
(s) + (np)->seed, (np)->octaves, (np)->persist))
#define NoisePerlin2DNoTxfm(np, x, y, s) \
(noise2d_perlin( \
(float)(x) / (np)->spread.X, \
(float)(y) / (np)->spread.Y, \
(s) + (np)->seed, (np)->octaves, (np)->persist))
#define NoisePerlin2DPosOffset(np, x, xoff, y, yoff, s) \
((np)->offset + (np)->scale * noise2d_perlin( \
(float)(xoff) + (float)(x) / (np)->spread.X, \
(float)(yoff) + (float)(y) / (np)->spread.Y, \
(s) + (np)->seed, (np)->octaves, (np)->persist))
#define NoisePerlin2DNoTxfmPosOffset(np, x, xoff, y, yoff, s) \
(noise2d_perlin( \
(float)(xoff) + (float)(x) / (np)->spread.X, \
(float)(yoff) + (float)(y) / (np)->spread.Y, \
(s) + (np)->seed, (np)->octaves, (np)->persist))
#define NoisePerlin3D(np, x, y, z, s) ((np)->offset + (np)->scale * \
noise3d_perlin((float)(x) / (np)->spread.X, (float)(y) / (np)->spread.Y, \
(float)(z) / (np)->spread.Z, (s) + (np)->seed, (np)->octaves, (np)->persist))
#define NoisePerlin3DEased(np, x, y, z, s) ((np)->offset + (np)->scale * \
noise3d_perlin((float)(x) / (np)->spread.X, (float)(y) / (np)->spread.Y, \
(float)(z) / (np)->spread.Z, (s) + (np)->seed, (np)->octaves, \
(np)->persist, true))
#endif