Jacques Lucke
91694b9b58
This replaces header include guards with `#pragma once`. A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`), because they are used in other places. This patch has been generated by P1561 followed by `make format`. Differential Revision: https://developer.blender.org/D8466
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*
|
|
* 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
|
|
|
|
/** \file
|
|
* \ingroup freestyle
|
|
* \brief Class to define Perlin noise
|
|
*/
|
|
|
|
#include "Geom.h"
|
|
|
|
#include "../system/FreestyleConfig.h"
|
|
|
|
#ifdef WITH_CXX_GUARDEDALLOC
|
|
# include "MEM_guardedalloc.h"
|
|
#endif
|
|
|
|
using namespace std;
|
|
|
|
namespace Freestyle {
|
|
|
|
#define _NOISE_B 0x100
|
|
|
|
using namespace Geometry;
|
|
|
|
/*! Class to provide Perlin Noise functionalities */
|
|
class Noise {
|
|
public:
|
|
/*! Builds a Noise object */
|
|
Noise(long seed = -1);
|
|
|
|
/*! Destructor */
|
|
~Noise()
|
|
{
|
|
}
|
|
|
|
/*! Returns a noise value for a 1D element */
|
|
float turbulence1(float arg, float freq, float amp, unsigned oct = 4);
|
|
|
|
/*! Returns a noise value for a 2D element */
|
|
float turbulence2(Vec2f &v, float freq, float amp, unsigned oct = 4);
|
|
|
|
/*! Returns a noise value for a 3D element */
|
|
float turbulence3(Vec3f &v, float freq, float amp, unsigned oct = 4);
|
|
|
|
/*! Returns a smooth noise value for a 1D element */
|
|
float smoothNoise1(float arg);
|
|
|
|
/*! Returns a smooth noise value for a 2D element */
|
|
float smoothNoise2(Vec2f &vec);
|
|
|
|
/*! Returns a smooth noise value for a 3D element */
|
|
float smoothNoise3(Vec3f &vec);
|
|
|
|
private:
|
|
int p[_NOISE_B + _NOISE_B + 2];
|
|
float g3[_NOISE_B + _NOISE_B + 2][3];
|
|
float g2[_NOISE_B + _NOISE_B + 2][2];
|
|
float g1[_NOISE_B + _NOISE_B + 2];
|
|
/* UNUSED */
|
|
// int start;
|
|
|
|
#ifdef WITH_CXX_GUARDEDALLOC
|
|
MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:Noise")
|
|
#endif
|
|
};
|
|
|
|
} /* namespace Freestyle */
|