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Diffstat (limited to 'source/blender/blenlib/BLI_noise.hh')
-rw-r--r-- | source/blender/blenlib/BLI_noise.hh | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_noise.hh b/source/blender/blenlib/BLI_noise.hh new file mode 100644 index 00000000000..760ff082d06 --- /dev/null +++ b/source/blender/blenlib/BLI_noise.hh @@ -0,0 +1,72 @@ +/* + * 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. + */ + +#pragma once + +#include "BLI_float2.hh" +#include "BLI_float3.hh" +#include "BLI_float4.hh" + +namespace blender::noise { + +/* Perlin noise in the range [-1, 1]. */ + +float perlin_signed(float position); +float perlin_signed(float2 position); +float perlin_signed(float3 position); +float perlin_signed(float4 position); + +/* Perlin noise in the range [0, 1]. */ + +float perlin(float position); +float perlin(float2 position); +float perlin(float3 position); +float perlin(float4 position); + +/* Fractal perlin noise in the range [0, 1]. */ + +float perlin_fractal(float position, float octaves, float roughness); +float perlin_fractal(float2 position, float octaves, float roughness); +float perlin_fractal(float3 position, float octaves, float roughness); +float perlin_fractal(float4 position, float octaves, float roughness); + +/* Positive distorted fractal perlin noise. */ + +float perlin_fractal_distorted(float position, float octaves, float roughness, float distortion); +float perlin_fractal_distorted(float2 position, float octaves, float roughness, float distortion); +float perlin_fractal_distorted(float3 position, float octaves, float roughness, float distortion); +float perlin_fractal_distorted(float4 position, float octaves, float roughness, float distortion); + +/* Positive distorted fractal perlin noise that outputs a float3. */ + +float3 perlin_float3_fractal_distorted(float position, + float octaves, + float roughness, + float distortion); +float3 perlin_float3_fractal_distorted(float2 position, + float octaves, + float roughness, + float distortion); +float3 perlin_float3_fractal_distorted(float3 position, + float octaves, + float roughness, + float distortion); +float3 perlin_float3_fractal_distorted(float4 position, + float octaves, + float roughness, + float distortion); + +} // namespace blender::noise |