tornavis/source/blender/blenlib/BLI_noise.h

66 lines
2.7 KiB
C

/*
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*
*/
#ifndef BLI_NOISE_H
#define BLI_NOISE_H
#ifdef __cplusplus
extern "C" {
#endif
/* noise.h: */
float BLI_hnoise(float noisesize, float x, float y, float z);
float BLI_hnoisep(float noisesize, float x, float y, float z);
float BLI_turbulence(float noisesize, float x, float y, float z, int nr);
float BLI_turbulence1(float noisesize, float x, float y, float z, int nr);
/* newnoise: generic noise & turbulence functions to replace the above BLI_hnoise/p & BLI_turbulence/1.
* This is done so different noise basis functions can be used */
float BLI_gNoise(float noisesize, float x, float y, float z, int hard, int noisebasis);
float BLI_gTurbulence(float noisesize, float x, float y, float z, int oct, int hard, int noisebasis);
/* newnoise: musgrave functions */
float mg_fBm(float x, float y, float z, float H, float lacunarity, float octaves, int noisebasis);
float mg_MultiFractal(float x, float y, float z, float H, float lacunarity, float octaves, int noisebasis);
float mg_VLNoise(float x, float y, float z, float distortion, int nbas1, int nbas2);
float mg_HeteroTerrain(float x, float y, float z, float H, float lacunarity, float octaves, float offset, int noisebasis);
float mg_HybridMultiFractal(float x, float y, float z, float H, float lacunarity, float octaves, float offset, float gain, int noisebasis);
float mg_RidgedMultiFractal(float x, float y, float z, float H, float lacunarity, float octaves, float offset, float gain, int noisebasis);
/* newnoise: voronoi */
void voronoi(float x, float y, float z, float* da, float* pa, float me, int dtype);
/* newnoise: cellNoise & cellNoiseV (for vector/point/color) */
float cellNoise(float x, float y, float z);
void cellNoiseV(float x, float y, float z, float *ca);
#ifdef __cplusplus
}
#endif
#endif