90 lines
3.6 KiB
Text
90 lines
3.6 KiB
Text
|
// Copyright 2020 Phyronnaz
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "FastNoise/VoxelFastNoise_WhiteNoise.h"
|
||
|
|
#include "FastNoise/VoxelFastNoiseBase.inl"
|
||
|
|
|
||
|
|
// THIS CODE IS A MODIFIED VERSION OF FAST NOISE: SEE LICENSE BELOW
|
||
|
|
//
|
||
|
|
// MIT License
|
||
|
|
//
|
||
|
|
// Copyright(c) 2017 Jordan Peck
|
||
|
|
//
|
||
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
// of this software and associated documentation files(the "Software"), to deal
|
||
|
|
// in the Software without restriction, including without limitation the rights
|
||
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
|
||
|
|
// copies of the Software, and to permit persons to whom the Software is
|
||
|
|
// furnished to do so, subject to the following conditions :
|
||
|
|
//
|
||
|
|
// The above copyright notice and this permission notice shall be included in all
|
||
|
|
// copies or substantial portions of the Software.
|
||
|
|
//
|
||
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
|
||
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
|
// SOFTWARE.
|
||
|
|
//
|
||
|
|
// The developer's email is jorzixdan.me2@gzixmail.com (for great email, take
|
||
|
|
// off every 'zix'.)
|
||
|
|
//
|
||
|
|
// VERSION: 0.4.1
|
||
|
|
|
||
|
|
// ReSharper disable CppUE4CodingStandardNamingViolationWarning
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
FN_FORCEINLINE_MATH v_flt TVoxelFastNoise_WhiteNoise<T>::GetWhiteNoise_2D(v_flt x, v_flt y) const
|
||
|
|
{
|
||
|
|
return This().ValCoord2D(This().Seed,
|
||
|
|
*reinterpret_cast<int32*>(&x) ^ (*reinterpret_cast<int32*>(&x) >> 16),
|
||
|
|
*reinterpret_cast<int32*>(&y) ^ (*reinterpret_cast<int32*>(&y) >> 16));
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
FN_FORCEINLINE_MATH v_flt TVoxelFastNoise_WhiteNoise<T>::GetWhiteNoiseInt_2D(int32 x, int32 y) const
|
||
|
|
{
|
||
|
|
return This().ValCoord2D(This().Seed, x, y);
|
||
|
|
}
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
FN_FORCEINLINE_MATH v_flt TVoxelFastNoise_WhiteNoise<T>::GetWhiteNoise_3D(v_flt x, v_flt y, v_flt z) const
|
||
|
|
{
|
||
|
|
return This().ValCoord3D(This().Seed,
|
||
|
|
*reinterpret_cast<int32*>(&x) ^ (*reinterpret_cast<int32*>(&x) >> 16),
|
||
|
|
*reinterpret_cast<int32*>(&y) ^ (*reinterpret_cast<int32*>(&y) >> 16),
|
||
|
|
*reinterpret_cast<int32*>(&z) ^ (*reinterpret_cast<int32*>(&z) >> 16));
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
FN_FORCEINLINE_MATH v_flt TVoxelFastNoise_WhiteNoise<T>::GetWhiteNoiseInt_3D(int32 x, int32 y, int32 z) const
|
||
|
|
{
|
||
|
|
return This().ValCoord3D(This().Seed, x, y, z);
|
||
|
|
}
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
FN_FORCEINLINE_MATH v_flt TVoxelFastNoise_WhiteNoise<T>::GetWhiteNoise_4D(v_flt x, v_flt y, v_flt z, v_flt w) const
|
||
|
|
{
|
||
|
|
return This().ValCoord4D(This().Seed,
|
||
|
|
*reinterpret_cast<int32*>(&x) ^ (*reinterpret_cast<int32*>(&x) >> 16),
|
||
|
|
*reinterpret_cast<int32*>(&y) ^ (*reinterpret_cast<int32*>(&y) >> 16),
|
||
|
|
*reinterpret_cast<int32*>(&z) ^ (*reinterpret_cast<int32*>(&z) >> 16),
|
||
|
|
*reinterpret_cast<int32*>(&w) ^ (*reinterpret_cast<int32*>(&w) >> 16));
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
FN_FORCEINLINE_MATH v_flt TVoxelFastNoise_WhiteNoise<T>::GetWhiteNoiseInt_4D(int32 x, int32 y, int32 z, int32 w) const
|
||
|
|
{
|
||
|
|
return This().ValCoord4D(This().Seed, x, y, z, w);
|
||
|
|
}
|