73 lines
2.9 KiB
C++
73 lines
2.9 KiB
C++
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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,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "BLI_float2.hh"
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#include "BLI_float3.hh"
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#include "BLI_float4.hh"
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namespace blender::noise {
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/* Perlin noise in the range [-1, 1]. */
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float perlin_signed(float position);
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float perlin_signed(float2 position);
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float perlin_signed(float3 position);
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float perlin_signed(float4 position);
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/* Perlin noise in the range [0, 1]. */
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float perlin(float position);
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float perlin(float2 position);
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float perlin(float3 position);
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float perlin(float4 position);
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/* Fractal perlin noise in the range [0, 1]. */
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float perlin_fractal(float position, float octaves, float roughness);
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float perlin_fractal(float2 position, float octaves, float roughness);
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float perlin_fractal(float3 position, float octaves, float roughness);
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float perlin_fractal(float4 position, float octaves, float roughness);
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/* Positive distorted fractal perlin noise. */
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float perlin_fractal_distorted(float position, float octaves, float roughness, float distortion);
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float perlin_fractal_distorted(float2 position, float octaves, float roughness, float distortion);
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float perlin_fractal_distorted(float3 position, float octaves, float roughness, float distortion);
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float perlin_fractal_distorted(float4 position, float octaves, float roughness, float distortion);
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/* Positive distorted fractal perlin noise that outputs a float3. */
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float3 perlin_float3_fractal_distorted(float position,
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float octaves,
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float roughness,
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float distortion);
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float3 perlin_float3_fractal_distorted(float2 position,
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float octaves,
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float roughness,
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float distortion);
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float3 perlin_float3_fractal_distorted(float3 position,
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float octaves,
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float roughness,
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float distortion);
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float3 perlin_float3_fractal_distorted(float4 position,
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float octaves,
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float roughness,
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float distortion);
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} // namespace blender::noise
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