59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Copyright 2012-2015 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
#ifdef __UTIL_NOISE_BASIS_GRADIENT_IPP
|
|
#error
|
|
#endif
|
|
#define __UTIL_NOISE_BASIS_GRADIENT_IPP
|
|
|
|
#include "../rand.hpp"
|
|
|
|
namespace util { namespace noise { namespace basis {
|
|
///////////////////////////////////////////////////////////////////////////
|
|
template <size_t S, typename T>
|
|
gradient<S,T>::gradient (seed_t _seed):
|
|
m_seed (_seed)
|
|
{ ; }
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
seed_t
|
|
gradient<S,T>::seed (void) const
|
|
{
|
|
return m_seed;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
seed_t
|
|
gradient<S,T>::seed (seed_t _seed)
|
|
{
|
|
return m_seed = _seed;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
vector<S,T>
|
|
gradient<S,T>::generate (pointi<S> p) const
|
|
{
|
|
return rand::coord<vector,T> (m_seed, p) * 2 - 1;
|
|
}
|
|
} } }
|
|
|