BLI_noise.h

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
float BLI_noise_hnoise(float noisesize, float x, float y, float z);
float BLI_noise_hnoisep(float noisesize, float x, float y, float z);
float BLI_noise_turbulence(float noisesize, float x, float y, float z, int nr);
float BLI_noise_generic_noise(
    float noisesize, float x, float y, float z, bool hard, int noisebasis);
float BLI_noise_generic_turbulence(
    float noisesize, float x, float y, float z, int oct, bool hard, int noisebasis);
 
/* newnoise: musgrave functions */
 
float BLI_noise_mg_fbm(
    float x, float y, float z, float H, float lacunarity, float octaves, int noisebasis);
float BLI_noise_mg_multi_fractal(
    float x, float y, float z, float H, float lacunarity, float octaves, int noisebasis);
float BLI_noise_mg_variable_lacunarity(
    float x, float y, float z, float distortion, int nbas1, int nbas2);
float BLI_noise_mg_hetero_terrain(float x,
                                  float y,
                                  float z,
                                  float H,
                                  float lacunarity,
                                  float octaves,
                                  float offset,
                                  int noisebasis);
float BLI_noise_mg_hybrid_multi_fractal(float x,
                                        float y,
                                        float z,
                                        float H,
                                        float lacunarity,
                                        float octaves,
                                        float offset,
                                        float gain,
                                        int noisebasis);
float BLI_noise_mg_ridged_multi_fractal(float x,
                                        float y,
                                        float z,
                                        float H,
                                        float lacunarity,
                                        float octaves,
                                        float offset,
                                        float gain,
                                        int noisebasis);
/* newnoise: voronoi */
 
void BLI_noise_voronoi(float x, float y, float z, float *da, float *pa, float me, int dtype);
float BLI_noise_cell(float x, float y, float z);
void BLI_noise_cell_v3(float x, float y, float z, float r_ca[3]);
 
#ifdef __cplusplus
}
#endif