missed removing these files
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/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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||||||
*
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||||||
* This program is free software; you can redistribute it and/or
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||||||
* modify it under the terms of the GNU General Public License
|
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||||||
* as published by the Free Software Foundation; either version 2
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||||||
* of the License, or (at your option) any later version.
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||||||
*
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||||||
* This program is distributed in the hope that it will be useful,
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||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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||||||
* GNU General Public License for more details.
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||||||
*
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||||||
* You should have received a copy of the GNU General Public License
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||||||
* along with this program; if not, write to the Free Software Foundation,
|
|
||||||
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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||||||
*
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||||||
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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||||||
* All rights reserved.
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||||||
*
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||||||
* This is a new part of Blender.
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||||||
*
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||||||
* Contributor(s): eeshlo, Campbell Barton
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||||||
*
|
|
||||||
* ***** END GPL LICENSE BLOCK *****
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|
||||||
*/
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||||||
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||||||
/** \file blender/python/generic/noise_py_api.c
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||||||
* \ingroup pygen
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*
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* This file defines the 'noise' module, a general purpose module to access
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||||||
* blenders noise functions.
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||||||
*/
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||||||
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||||||
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||||||
/************************/
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|
||||||
/* Blender Noise Module */
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||||||
/************************/
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||||||
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||||||
#include <Python.h>
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||||||
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||||||
#include "structseq.h"
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||||||
|
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#include "BLI_blenlib.h"
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||||||
#include "BLI_utildefines.h"
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||||||
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||||||
#include "DNA_texture_types.h"
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||||||
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||||||
#include "noise_py_api.h"
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|
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||||||
/*-----------------------------------------*/
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||||||
/* 'mersenne twister' random number generator */
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||||||
|
|
||||||
/*
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||||||
A C-program for MT19937, with initialization improved 2002/2/10.
|
|
||||||
Coded by Takuji Nishimura and Makoto Matsumoto.
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|
||||||
This is a faster version by taking Shawn Cokus's optimization,
|
|
||||||
Matthe Bellew's simplification, Isaku Wada's real version.
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||||||
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||||||
Before using, initialize the state by using init_genrand(seed)
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||||||
or init_by_array(init_key, key_length).
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||||||
|
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||||||
Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
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|
||||||
All rights reserved.
|
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||||||
|
|
||||||
Redistribution and use in source and binary forms, with or without
|
|
||||||
modification, are permitted provided that the following conditions
|
|
||||||
are met:
|
|
||||||
|
|
||||||
1. Redistributions of source code must retain the above copyright
|
|
||||||
notice, this list of conditions and the following disclaimer.
|
|
||||||
|
|
||||||
2. Redistributions in binary form must reproduce the above copyright
|
|
||||||
notice, this list of conditions and the following disclaimer in the
|
|
||||||
documentation and/or other materials provided with the distribution.
|
|
||||||
|
|
||||||
3. The names of its contributors may not be used to endorse or promote
|
|
||||||
products derived from this software without specific prior written
|
|
||||||
permission.
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|
||||||
|
|
||||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
||||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
||||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
||||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
||||||
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
||||||
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
||||||
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
||||||
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
||||||
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
||||||
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
||||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|
||||||
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|
||||||
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|
||||||
Any feedback is very welcome.
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|
||||||
http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
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|
||||||
email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
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|
||||||
*/
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|
||||||
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|
||||||
/* 2.5 update
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|
||||||
* Noise.setRandomSeed --> seed_set
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|
||||||
* Noise.randuvec --> random_unit_vector
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|
||||||
* Noise.vNoise --> noise_vector
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|
||||||
* Noise.vTurbulence --> turbulence_vector
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|
||||||
* Noise.multiFractal --> multi_fractal
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|
||||||
* Noise.cellNoise --> cell
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|
||||||
* Noise.cellNoiseV --> cell_vector
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|
||||||
* Noise.vlNoise --> vl_vector
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|
||||||
* Noise.heteroTerrain --> hetero_terrain
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|
||||||
* Noise.hybridMFractal --> hybrid_multi_fractal
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|
||||||
* Noise.fBm --> fractal
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|
||||||
* Noise.ridgedMFractal --> ridged_multi_fractal
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|
||||||
*
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|
||||||
* Const's *
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|
||||||
* Noise.NoiseTypes --> types
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|
||||||
* Noise.DistanceMetrics --> distance_metrics
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|
||||||
*/
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|
||||||
|
|
||||||
/* Period parameters */
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|
||||||
#define N 624
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|
||||||
#define M 397
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|
||||||
#define MATRIX_A 0x9908b0dfUL /* constant vector a */
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|
||||||
#define UMASK 0x80000000UL /* most significant w-r bits */
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|
||||||
#define LMASK 0x7fffffffUL /* least significant r bits */
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|
||||||
#define MIXBITS(u,v) (((u) & UMASK) | ((v) & LMASK))
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|
||||||
#define TWIST(u,v) ((MIXBITS(u,v) >> 1) ^ ((v)&1UL ? MATRIX_A : 0UL))
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|
||||||
|
|
||||||
static unsigned long state[N]; /* the array for the state vector */
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|
||||||
static int left = 1;
|
|
||||||
static int initf = 0;
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|
||||||
static unsigned long *next;
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|
||||||
|
|
||||||
/* initializes state[N] with a seed */
|
|
||||||
static void init_genrand(unsigned long s)
|
|
||||||
{
|
|
||||||
int j;
|
|
||||||
state[0] = s & 0xffffffffUL;
|
|
||||||
for (j = 1; j < N; j++) {
|
|
||||||
state[j] =
|
|
||||||
(1812433253UL *
|
|
||||||
(state[j - 1] ^ (state[j - 1] >> 30)) + j);
|
|
||||||
/* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */
|
|
||||||
/* In the previous versions, MSBs of the seed affect */
|
|
||||||
/* only MSBs of the array state[]. */
|
|
||||||
/* 2002/01/09 modified by Makoto Matsumoto */
|
|
||||||
state[j] &= 0xffffffffUL; /* for >32 bit machines */
|
|
||||||
}
|
|
||||||
left = 1;
|
|
||||||
initf = 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void next_state(void)
|
|
||||||
{
|
|
||||||
unsigned long *p = state;
|
|
||||||
int j;
|
|
||||||
|
|
||||||
/* if init_genrand() has not been called, */
|
|
||||||
/* a default initial seed is used */
|
|
||||||
if (initf == 0)
|
|
||||||
init_genrand(5489UL);
|
|
||||||
|
|
||||||
left = N;
|
|
||||||
next = state;
|
|
||||||
|
|
||||||
for (j = N - M + 1; --j; p++)
|
|
||||||
*p = p[M] ^ TWIST(p[0], p[1]);
|
|
||||||
|
|
||||||
for (j = M; --j; p++)
|
|
||||||
*p = p[M - N] ^ TWIST(p[0], p[1]);
|
|
||||||
|
|
||||||
*p = p[M - N] ^ TWIST(p[0], state[0]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static void setRndSeed(int seed)
|
|
||||||
{
|
|
||||||
if (seed == 0)
|
|
||||||
init_genrand(time(NULL));
|
|
||||||
else
|
|
||||||
init_genrand(seed);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* float number in range [0, 1) using the mersenne twister rng */
|
|
||||||
static float frand(void)
|
|
||||||
{
|
|
||||||
unsigned long y;
|
|
||||||
|
|
||||||
if (--left == 0)
|
|
||||||
next_state();
|
|
||||||
y = *next++;
|
|
||||||
|
|
||||||
/* Tempering */
|
|
||||||
y ^= (y >> 11);
|
|
||||||
y ^= (y << 7) & 0x9d2c5680UL;
|
|
||||||
y ^= (y << 15) & 0xefc60000UL;
|
|
||||||
y ^= (y >> 18);
|
|
||||||
|
|
||||||
return (float) y / 4294967296.f;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*------------------------------------------------------------*/
|
|
||||||
|
|
||||||
/* returns random unit vector */
|
|
||||||
static void randuvec(float v[3])
|
|
||||||
{
|
|
||||||
float r;
|
|
||||||
v[2] = 2.f * frand() - 1.f;
|
|
||||||
if ((r = 1.f - v[2] * v[2]) > 0.f) {
|
|
||||||
float a = (float)(6.283185307f * frand());
|
|
||||||
r = (float)sqrt(r);
|
|
||||||
v[0] = (float)(r * cosf(a));
|
|
||||||
v[1] = (float)(r * sinf(a));
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
v[2] = 1.f;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static PyObject *Noise_random(PyObject *UNUSED(self))
|
|
||||||
{
|
|
||||||
return PyFloat_FromDouble(frand());
|
|
||||||
}
|
|
||||||
|
|
||||||
static PyObject *Noise_random_unit_vector(PyObject *UNUSED(self))
|
|
||||||
{
|
|
||||||
float v[3] = {0.0f, 0.0f, 0.0f};
|
|
||||||
randuvec(v);
|
|
||||||
return Py_BuildValue("[fff]", v[0], v[1], v[2]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*---------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
/* Random seed init. Only used for MT random() & randuvec() */
|
|
||||||
|
|
||||||
static PyObject *Noise_seed_set(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
int s;
|
|
||||||
if (!PyArg_ParseTuple(args, "i:seed_set", &s))
|
|
||||||
return NULL;
|
|
||||||
setRndSeed(s);
|
|
||||||
Py_RETURN_NONE;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
/* General noise */
|
|
||||||
|
|
||||||
static PyObject *Noise_noise(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z;
|
|
||||||
int nb = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)|i:noise", &x, &y, &z, &nb))
|
|
||||||
return NULL;
|
|
||||||
|
|
||||||
return PyFloat_FromDouble((2.0f * BLI_gNoise(1.0f, x, y, z, 0, nb) - 1.0f));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
/* General Vector noise */
|
|
||||||
|
|
||||||
static void noise_vector(float x, float y, float z, int nb, float v[3])
|
|
||||||
{
|
|
||||||
/* Simply evaluate noise at 3 different positions */
|
|
||||||
v[0]= (float)(2.0f * BLI_gNoise(1.f, x + 9.321f, y - 1.531f, z - 7.951f, 0,
|
|
||||||
nb) - 1.0f);
|
|
||||||
v[1]= (float)(2.0f * BLI_gNoise(1.f, x, y, z, 0, nb) - 1.0f);
|
|
||||||
v[2]= (float)(2.0f * BLI_gNoise(1.f, x + 6.327f, y + 0.1671f, z - 2.672f, 0,
|
|
||||||
nb) - 1.0f);
|
|
||||||
}
|
|
||||||
|
|
||||||
static PyObject *Noise_vector(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, v[3];
|
|
||||||
int nb = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)|i:vector", &x, &y, &z, &nb))
|
|
||||||
return NULL;
|
|
||||||
noise_vector(x, y, z, nb, v);
|
|
||||||
return Py_BuildValue("[fff]", v[0], v[1], v[2]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
/* General turbulence */
|
|
||||||
|
|
||||||
static float turb(float x, float y, float z, int oct, int hard, int nb,
|
|
||||||
float ampscale, float freqscale)
|
|
||||||
{
|
|
||||||
float amp, out, t;
|
|
||||||
int i;
|
|
||||||
amp = 1.f;
|
|
||||||
out = (float)(2.0f * BLI_gNoise(1.f, x, y, z, 0, nb) - 1.0f);
|
|
||||||
if (hard)
|
|
||||||
out = fabsf(out);
|
|
||||||
for (i = 1; i < oct; i++) {
|
|
||||||
amp *= ampscale;
|
|
||||||
x *= freqscale;
|
|
||||||
y *= freqscale;
|
|
||||||
z *= freqscale;
|
|
||||||
t = (float)(amp * (2.0f * BLI_gNoise(1.f, x, y, z, 0, nb) - 1.0f));
|
|
||||||
if (hard)
|
|
||||||
t = fabsf(t);
|
|
||||||
out += t;
|
|
||||||
}
|
|
||||||
return out;
|
|
||||||
}
|
|
||||||
|
|
||||||
static PyObject *Noise_turbulence(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z;
|
|
||||||
int oct, hd, nb = 1;
|
|
||||||
float as = 0.5, fs = 2.0;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)ii|iff:turbulence", &x, &y, &z, &oct, &hd, &nb, &as, &fs))
|
|
||||||
return NULL;
|
|
||||||
|
|
||||||
return PyFloat_FromDouble(turb(x, y, z, oct, hd, nb, as, fs));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*--------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
/* Turbulence Vector */
|
|
||||||
|
|
||||||
static void vTurb(float x, float y, float z, int oct, int hard, int nb,
|
|
||||||
float ampscale, float freqscale, float v[3])
|
|
||||||
{
|
|
||||||
float amp, t[3];
|
|
||||||
int i;
|
|
||||||
amp = 1.f;
|
|
||||||
noise_vector(x, y, z, nb, v);
|
|
||||||
if (hard) {
|
|
||||||
v[0] = fabsf(v[0]);
|
|
||||||
v[1] = fabsf(v[1]);
|
|
||||||
v[2] = fabsf(v[2]);
|
|
||||||
}
|
|
||||||
for (i = 1; i < oct; i++) {
|
|
||||||
amp *= ampscale;
|
|
||||||
x *= freqscale;
|
|
||||||
y *= freqscale;
|
|
||||||
z *= freqscale;
|
|
||||||
noise_vector(x, y, z, nb, t);
|
|
||||||
if (hard) {
|
|
||||||
t[0] = fabsf(t[0]);
|
|
||||||
t[1] = fabsf(t[1]);
|
|
||||||
t[2] = fabsf(t[2]);
|
|
||||||
}
|
|
||||||
v[0] += amp * t[0];
|
|
||||||
v[1] += amp * t[1];
|
|
||||||
v[2] += amp * t[2];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static PyObject *Noise_turbulence_vector(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, v[3];
|
|
||||||
int oct, hd, nb = 1;
|
|
||||||
float as = 0.5, fs = 2.0;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)ii|iff:turbulence_vector", &x, &y, &z, &oct, &hd, &nb, &as, &fs))
|
|
||||||
return NULL;
|
|
||||||
vTurb(x, y, z, oct, hd, nb, as, fs, v);
|
|
||||||
return Py_BuildValue("[fff]", v[0], v[1], v[2]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*---------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
/* F. Kenton Musgrave's fractal functions */
|
|
||||||
|
|
||||||
static PyObject *Noise_fractal(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, H, lac, oct;
|
|
||||||
int nb = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)fff|i:fractal", &x, &y, &z, &H, &lac, &oct, &nb))
|
|
||||||
return NULL;
|
|
||||||
return PyFloat_FromDouble(mg_fBm(x, y, z, H, lac, oct, nb));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_multi_fractal(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, H, lac, oct;
|
|
||||||
int nb = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)fff|i:multi_fractal", &x, &y, &z, &H, &lac, &oct, &nb))
|
|
||||||
return NULL;
|
|
||||||
|
|
||||||
return PyFloat_FromDouble(mg_MultiFractal(x, y, z, H, lac, oct, nb));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_vl_vector(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, d;
|
|
||||||
int nt1 = 1, nt2 = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)f|ii:vl_vector", &x, &y, &z, &d, &nt1, &nt2))
|
|
||||||
return NULL;
|
|
||||||
return PyFloat_FromDouble(mg_VLNoise(x, y, z, d, nt1, nt2));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_hetero_terrain(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, H, lac, oct, ofs;
|
|
||||||
int nb = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)ffff|i:hetero_terrain", &x, &y, &z, &H, &lac, &oct, &ofs, &nb))
|
|
||||||
return NULL;
|
|
||||||
|
|
||||||
return PyFloat_FromDouble(mg_HeteroTerrain(x, y, z, H, lac, oct, ofs, nb));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_hybrid_multi_fractal(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, H, lac, oct, ofs, gn;
|
|
||||||
int nb = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)fffff|i:hybrid_multi_fractal", &x, &y, &z, &H, &lac, &oct, &ofs, &gn, &nb))
|
|
||||||
return NULL;
|
|
||||||
|
|
||||||
return PyFloat_FromDouble(mg_HybridMultiFractal(x, y, z, H, lac, oct, ofs, gn, nb));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_ridged_multi_fractal(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, H, lac, oct, ofs, gn;
|
|
||||||
int nb = 1;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)fffff|i:ridged_multi_fractal", &x, &y, &z, &H, &lac, &oct, &ofs, &gn, &nb))
|
|
||||||
return NULL;
|
|
||||||
return PyFloat_FromDouble(mg_RidgedMultiFractal(x, y, z, H, lac, oct, ofs, gn, nb));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_voronoi(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, da[4], pa[12];
|
|
||||||
int dtype = 0;
|
|
||||||
float me = 2.5; /* default minkovsky exponent */
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff)|if:voronoi", &x, &y, &z, &dtype, &me))
|
|
||||||
return NULL;
|
|
||||||
voronoi(x, y, z, da, pa, me, dtype);
|
|
||||||
return Py_BuildValue("[[ffff][[fff][fff][fff][fff]]]",
|
|
||||||
da[0], da[1], da[2], da[3],
|
|
||||||
pa[0], pa[1], pa[2],
|
|
||||||
pa[3], pa[4], pa[5],
|
|
||||||
pa[6], pa[7], pa[8], pa[9], pa[10], pa[11]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_cell(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z;
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff):cell", &x, &y, &z))
|
|
||||||
return NULL;
|
|
||||||
|
|
||||||
return PyFloat_FromDouble(cellNoise(x, y, z));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*--------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static PyObject *Noise_cell_vector(PyObject *UNUSED(self), PyObject *args)
|
|
||||||
{
|
|
||||||
float x, y, z, ca[3];
|
|
||||||
if (!PyArg_ParseTuple(args, "(fff):cell_vector", &x, &y, &z))
|
|
||||||
return NULL;
|
|
||||||
cellNoiseV(x, y, z, ca);
|
|
||||||
return Py_BuildValue("[fff]", ca[0], ca[1], ca[2]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*--------------------------------------------------------------------------*/
|
|
||||||
/* For all other Blender modules, this stuff seems to be put in a header file.
|
|
||||||
This doesn't seem really appropriate to me, so I just put it here, feel free to change it.
|
|
||||||
In the original module I actually kept the docs stings with the functions themselves,
|
|
||||||
but I grouped them here so that it can easily be moved to a header if anyone thinks that is necessary. */
|
|
||||||
|
|
||||||
PyDoc_STRVAR(random__doc__,
|
|
||||||
"() No arguments.\n\n\
|
|
||||||
Returns a random floating point number in the range [0, 1)"
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(random_unit_vector__doc__,
|
|
||||||
"() No arguments.\n\nReturns a random unit vector (3-float list)."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(seed_set__doc__,
|
|
||||||
"(seed value)\n\n\
|
|
||||||
Initializes random number generator.\n\
|
|
||||||
if seed is zero, the current time will be used instead."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(noise__doc__,
|
|
||||||
"((x,y,z) tuple, [noisetype])\n\n\
|
|
||||||
Returns general noise of the optional specified type.\n\
|
|
||||||
Optional argument noisetype determines the type of noise, STDPERLIN by default, see NoiseTypes."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(noise_vector__doc__,
|
|
||||||
"((x,y,z) tuple, [noisetype])\n\n\
|
|
||||||
Returns noise vector (3-float list) of the optional specified type.\
|
|
||||||
Optional argument noisetype determines the type of noise, STDPERLIN by default, see NoiseTypes."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(turbulence__doc__,
|
|
||||||
"((x,y,z) tuple, octaves, hard, [noisebasis], [ampscale], [freqscale])\n\n\
|
|
||||||
Returns general turbulence value using the optional specified noisebasis function.\n\
|
|
||||||
octaves (integer) is the number of noise values added.\n\
|
|
||||||
hard (bool), when false (0) returns 'soft' noise, when true (1) returns 'hard' noise (returned value always positive).\n\
|
|
||||||
Optional arguments:\n\
|
|
||||||
noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.\n\
|
|
||||||
ampscale sets the amplitude scale value of the noise frequencies added, 0.5 by default.\n\
|
|
||||||
freqscale sets the frequency scale factor, 2.0 by default."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(turbulence_vector__doc__,
|
|
||||||
"((x,y,z) tuple, octaves, hard, [noisebasis], [ampscale], [freqscale])\n\n\
|
|
||||||
Returns general turbulence vector (3-float list) using the optional specified noisebasis function.\n\
|
|
||||||
octaves (integer) is the number of noise values added.\n\
|
|
||||||
hard (bool), when false (0) returns 'soft' noise, when true (1) returns 'hard' noise (returned vector always positive).\n\
|
|
||||||
Optional arguments:\n\
|
|
||||||
noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.\n\
|
|
||||||
ampscale sets the amplitude scale value of the noise frequencies added, 0.5 by default.\n\
|
|
||||||
freqscale sets the frequency scale factor, 2.0 by default."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(fractal__doc__,
|
|
||||||
"((x,y,z) tuple, H, lacunarity, octaves, [noisebasis])\n\n\
|
|
||||||
Returns Fractal Brownian Motion noise value(fBm).\n\
|
|
||||||
H is the fractal increment parameter.\n\
|
|
||||||
lacunarity is the gap between successive frequencies.\n\
|
|
||||||
octaves is the number of frequencies in the fBm.\n\
|
|
||||||
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(multi_fractal__doc__,
|
|
||||||
"((x,y,z) tuple, H, lacunarity, octaves, [noisebasis])\n\n\
|
|
||||||
Returns Multifractal noise value.\n\
|
|
||||||
H determines the highest fractal dimension.\n\
|
|
||||||
lacunarity is gap between successive frequencies.\n\
|
|
||||||
octaves is the number of frequencies in the fBm.\n\
|
|
||||||
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(vl_vector__doc__,
|
|
||||||
"((x,y,z) tuple, distortion, [noisetype1], [noisetype2])\n\n\
|
|
||||||
Returns Variable Lacunarity Noise value, a distorted variety of noise.\n\
|
|
||||||
distortion sets the amount of distortion.\n\
|
|
||||||
Optional arguments noisetype1 and noisetype2 set the noisetype to distort and the noisetype used for the distortion respectively.\n\
|
|
||||||
See NoiseTypes, both are STDPERLIN by default."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(hetero_terrain__doc__,
|
|
||||||
"((x,y,z) tuple, H, lacunarity, octaves, offset, [noisebasis])\n\n\
|
|
||||||
returns Heterogeneous Terrain value\n\
|
|
||||||
H determines the fractal dimension of the roughest areas.\n\
|
|
||||||
lacunarity is the gap between successive frequencies.\n\
|
|
||||||
octaves is the number of frequencies in the fBm.\n\
|
|
||||||
offset raises the terrain from 'sea level'.\n\
|
|
||||||
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(hybrid_multi_fractal__doc__,
|
|
||||||
"((x,y,z) tuple, H, lacunarity, octaves, offset, gain, [noisebasis])\n\n\
|
|
||||||
returns Hybrid Multifractal value.\n\
|
|
||||||
H determines the fractal dimension of the roughest areas.\n\
|
|
||||||
lacunarity is the gap between successive frequencies.\n\
|
|
||||||
octaves is the number of frequencies in the fBm.\n\
|
|
||||||
offset raises the terrain from 'sea level'.\n\
|
|
||||||
gain scales the values.\n\
|
|
||||||
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(ridged_multi_fractal__doc__,
|
|
||||||
"((x,y,z) tuple, H, lacunarity, octaves, offset, gain [noisebasis])\n\n\
|
|
||||||
returns Ridged Multifractal value.\n\
|
|
||||||
H determines the fractal dimension of the roughest areas.\n\
|
|
||||||
lacunarity is the gap between successive frequencies.\n\
|
|
||||||
octaves is the number of frequencies in the fBm.\n\
|
|
||||||
offset raises the terrain from 'sea level'.\n\
|
|
||||||
gain scales the values.\n\
|
|
||||||
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(voronoi__doc__,
|
|
||||||
"((x,y,z) tuple, distance_metric, [exponent])\n\n\
|
|
||||||
returns a list, containing a list of distances in order of closest feature,\n\
|
|
||||||
and a list containing the positions of the four closest features\n\
|
|
||||||
Optional arguments:\n\
|
|
||||||
distance_metric: see DistanceMetrics, default is DISTANCE\n\
|
|
||||||
exponent is only used with MINKOVSKY, default is 2.5."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(cell__doc__,
|
|
||||||
"((x,y,z) tuple)\n\n\
|
|
||||||
returns cellnoise float value."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(cell_vector__doc__,
|
|
||||||
"((x,y,z) tuple)\n\n\
|
|
||||||
returns cellnoise vector/point/color (3-float list)."
|
|
||||||
);
|
|
||||||
|
|
||||||
PyDoc_STRVAR(Noise__doc__,
|
|
||||||
"Blender Noise and Turbulence Module\n\n\
|
|
||||||
This module can be used to generate noise of various types.\n\
|
|
||||||
This can be used for terrain generation, to create textures,\n\
|
|
||||||
make animations more 'animated', object deformation, etc.\n\
|
|
||||||
As an example, this code segment when scriptlinked to a framechanged event,\n\
|
|
||||||
will make the camera sway randomly about, by changing parameters this can\n\
|
|
||||||
look like anything from an earthquake to a very nervous or maybe even drunk cameraman...\n\
|
|
||||||
(the camera needs an ipo with at least one Loc & Rot key for this to work!):\n\
|
|
||||||
\n\
|
|
||||||
\tfrom Blender import Get, Scene, Noise\n\
|
|
||||||
\n\
|
|
||||||
\t####################################################\n\
|
|
||||||
\t# This controls jitter speed\n\
|
|
||||||
\tsl = 0.025\n\
|
|
||||||
\t# This controls the amount of position jitter\n\
|
|
||||||
\tsp = 0.1\n\
|
|
||||||
\t# This controls the amount of rotation jitter\n\
|
|
||||||
\tsr = 0.25\n\
|
|
||||||
\t####################################################\n\
|
|
||||||
\n\
|
|
||||||
\ttime = Get('curtime')\n\
|
|
||||||
\tob = Scene.GetCurrent().getCurrentCamera()\n\
|
|
||||||
\tps = (sl*time, sl*time, sl*time)\n\
|
|
||||||
\t# To add jitter only when the camera moves, use this next line instead\n\
|
|
||||||
\t#ps = (sl*ob.LocX, sl*ob.LocY, sl*ob.LocZ)\n\
|
|
||||||
\trv = Noise.turbulence_vector(ps, 3, 0, Noise.NoiseTypes.NEWPERLIN)\n\
|
|
||||||
\tob.dloc = (sp*rv[0], sp*rv[1], sp*rv[2])\n\
|
|
||||||
\tob.drot = (sr*rv[0], sr*rv[1], sr*rv[2])\n\
|
|
||||||
\n"
|
|
||||||
);
|
|
||||||
|
|
||||||
/* Just in case, declarations for a header file */
|
|
||||||
/*
|
|
||||||
static PyObject *Noise_random(PyObject *UNUSED(self));
|
|
||||||
static PyObject *Noise_random_unit_vector(PyObject *UNUSED(self));
|
|
||||||
static PyObject *Noise_seed_set(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_noise(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_vector(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_turbulence(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_turbulence_vector(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_fractal(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_multi_fractal(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_vl_vector(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_hetero_terrain(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_hybrid_multi_fractal(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_ridged_multi_fractal(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_voronoi(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_cell(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
static PyObject *Noise_cell_vector(PyObject *UNUSED(self), PyObject *args);
|
|
||||||
*/
|
|
||||||
|
|
||||||
static PyMethodDef NoiseMethods[] = {
|
|
||||||
{"seed_set", (PyCFunction) Noise_seed_set, METH_VARARGS, seed_set__doc__},
|
|
||||||
{"random", (PyCFunction) Noise_random, METH_NOARGS, random__doc__},
|
|
||||||
{"random_unit_vector", (PyCFunction) Noise_random_unit_vector, METH_NOARGS, random_unit_vector__doc__},
|
|
||||||
{"noise", (PyCFunction) Noise_noise, METH_VARARGS, noise__doc__},
|
|
||||||
{"vector", (PyCFunction) Noise_vector, METH_VARARGS, noise_vector__doc__},
|
|
||||||
{"turbulence", (PyCFunction) Noise_turbulence, METH_VARARGS, turbulence__doc__},
|
|
||||||
{"turbulence_vector", (PyCFunction) Noise_turbulence_vector, METH_VARARGS, turbulence_vector__doc__},
|
|
||||||
{"fractal", (PyCFunction) Noise_fractal, METH_VARARGS, fractal__doc__},
|
|
||||||
{"multi_fractal", (PyCFunction) Noise_multi_fractal, METH_VARARGS, multi_fractal__doc__},
|
|
||||||
{"vl_vector", (PyCFunction) Noise_vl_vector, METH_VARARGS, vl_vector__doc__},
|
|
||||||
{"hetero_terrain", (PyCFunction) Noise_hetero_terrain, METH_VARARGS, hetero_terrain__doc__},
|
|
||||||
{"hybrid_multi_fractal", (PyCFunction) Noise_hybrid_multi_fractal, METH_VARARGS, hybrid_multi_fractal__doc__},
|
|
||||||
{"ridged_multi_fractal", (PyCFunction) Noise_ridged_multi_fractal, METH_VARARGS, ridged_multi_fractal__doc__},
|
|
||||||
{"voronoi", (PyCFunction) Noise_voronoi, METH_VARARGS, voronoi__doc__},
|
|
||||||
{"cell", (PyCFunction) Noise_cell, METH_VARARGS, cell__doc__},
|
|
||||||
{"cell_vector", (PyCFunction) Noise_cell_vector, METH_VARARGS, cell_vector__doc__},
|
|
||||||
{NULL, NULL, 0, NULL}
|
|
||||||
};
|
|
||||||
|
|
||||||
/*----------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static struct PyModuleDef noise_module_def = {
|
|
||||||
PyModuleDef_HEAD_INIT,
|
|
||||||
"noise", /* m_name */
|
|
||||||
Noise__doc__, /* m_doc */
|
|
||||||
0, /* m_size */
|
|
||||||
NoiseMethods, /* m_methods */
|
|
||||||
NULL, /* m_reload */
|
|
||||||
NULL, /* m_traverse */
|
|
||||||
NULL, /* m_clear */
|
|
||||||
NULL, /* m_free */
|
|
||||||
};
|
|
||||||
|
|
||||||
PyObject *BPyInit_noise(void)
|
|
||||||
{
|
|
||||||
PyObject *submodule = PyModule_Create(&noise_module_def);
|
|
||||||
|
|
||||||
/* use current time as seed for random number generator by default */
|
|
||||||
setRndSeed(0);
|
|
||||||
|
|
||||||
/* Constant noisetype dictionary */
|
|
||||||
if (submodule) {
|
|
||||||
static PyStructSequence_Field noise_types_fields[] = {
|
|
||||||
{(char *)"BLENDER", NULL},
|
|
||||||
{(char *)"STDPERLIN", NULL},
|
|
||||||
{(char *)"NEWPERLIN", NULL},
|
|
||||||
{(char *)"VORONOI_F1", NULL},
|
|
||||||
{(char *)"VORONOI_F2", NULL},
|
|
||||||
{(char *)"VORONOI_F3", NULL},
|
|
||||||
{(char *)"VORONOI_F4", NULL},
|
|
||||||
{(char *)"VORONOI_F2F1", NULL},
|
|
||||||
{(char *)"VORONOI_CRACKLE", NULL},
|
|
||||||
{(char *)"CELLNOISE", NULL},
|
|
||||||
{NULL}
|
|
||||||
};
|
|
||||||
|
|
||||||
static PyStructSequence_Desc noise_types_info_desc = {
|
|
||||||
(char *)"noise.types", /* name */
|
|
||||||
(char *)"Noise type", /* doc */
|
|
||||||
noise_types_fields, /* fields */
|
|
||||||
(sizeof(noise_types_fields)/sizeof(PyStructSequence_Field)) - 1
|
|
||||||
};
|
|
||||||
|
|
||||||
static PyTypeObject NoiseType;
|
|
||||||
|
|
||||||
PyObject *noise_types;
|
|
||||||
|
|
||||||
int pos = 0;
|
|
||||||
|
|
||||||
PyStructSequence_InitType(&NoiseType, &noise_types_info_desc);
|
|
||||||
|
|
||||||
noise_types = PyStructSequence_New(&NoiseType);
|
|
||||||
if (noise_types == NULL) {
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_BLENDER));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_STDPERLIN));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_NEWPERLIN));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F1));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F2));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F3));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F4));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F2F1));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_CRACKLE));
|
|
||||||
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_CELLNOISE));
|
|
||||||
|
|
||||||
PyModule_AddObject(submodule, "types", noise_types);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (submodule) {
|
|
||||||
static PyStructSequence_Field distance_metrics_fields[] = {
|
|
||||||
{(char *)"DISTANCE", NULL},
|
|
||||||
{(char *)"DISTANCE_SQUARED", NULL},
|
|
||||||
{(char *)"MANHATTAN", NULL},
|
|
||||||
{(char *)"CHEBYCHEV", NULL},
|
|
||||||
{(char *)"MINKOVSKY_HALF", NULL},
|
|
||||||
{(char *)"MINKOVSKY_FOUR", NULL},
|
|
||||||
{(char *)"MINKOVSKY", NULL},
|
|
||||||
{NULL}
|
|
||||||
};
|
|
||||||
|
|
||||||
static PyStructSequence_Desc noise_types_info_desc = {
|
|
||||||
(char *)"noise.distance_metrics", /* name */
|
|
||||||
(char *)"Distance Metrics for noise module.", /* doc */
|
|
||||||
distance_metrics_fields, /* fields */
|
|
||||||
(sizeof(distance_metrics_fields)/sizeof(PyStructSequence_Field)) - 1
|
|
||||||
};
|
|
||||||
|
|
||||||
static PyTypeObject DistanceMetrics;
|
|
||||||
|
|
||||||
PyObject *distance_metrics;
|
|
||||||
|
|
||||||
int pos = 0;
|
|
||||||
|
|
||||||
PyStructSequence_InitType(&DistanceMetrics, &noise_types_info_desc);
|
|
||||||
|
|
||||||
distance_metrics = PyStructSequence_New(&DistanceMetrics);
|
|
||||||
if (distance_metrics == NULL) {
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_DISTANCE));
|
|
||||||
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_DISTANCE_SQUARED));
|
|
||||||
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MANHATTAN));
|
|
||||||
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_CHEBYCHEV));
|
|
||||||
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MINKOVSKY_HALF));
|
|
||||||
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MINKOVSKY_FOUR));
|
|
||||||
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MINKOVSKY));
|
|
||||||
|
|
||||||
PyModule_AddObject(submodule, "distance_metrics", distance_metrics);
|
|
||||||
}
|
|
||||||
|
|
||||||
return submodule;
|
|
||||||
}
|
|
||||||
@@ -1,32 +0,0 @@
|
|||||||
/*
|
|
||||||
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
||||||
*
|
|
||||||
* This program is free software; you can redistribute it and/or
|
|
||||||
* modify it under the terms of the GNU General Public License
|
|
||||||
* as published by the Free Software Foundation; either version 2
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU General Public License
|
|
||||||
* along with this program; if not, write to the Free Software Foundation,
|
|
||||||
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
||||||
*
|
|
||||||
* Contributor(s): Campbell Barton
|
|
||||||
*
|
|
||||||
* ***** END GPL LICENSE BLOCK *****
|
|
||||||
*/
|
|
||||||
|
|
||||||
/** \file blender/python/generic/noise_py_api.h
|
|
||||||
* \ingroup pygen
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef NOISE_PY_API_H
|
|
||||||
#define NOISE_PY_API_H
|
|
||||||
|
|
||||||
PyObject *BPyInit_noise(void);
|
|
||||||
|
|
||||||
#endif // NOISE_PY_API_H
|
|
||||||
Reference in New Issue
Block a user