45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#include "./gradient.hpp"
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///////////////////////////////////////////////////////////////////////////////
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template <size_t S>
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static std::array<util::vectori<S>,util::pow(2,S)>
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generate (void)
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{
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std::array<util::vectori<S>,util::pow(2,S)> out;
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for (size_t i = 0; i < util::pow(2,S); ++i)
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for (size_t s = 0; s < S; ++s)
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out[i][s] = (i >> s) & 1;
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return out;
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}
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///////////////////////////////////////////////////////////////////////////////
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template <size_t S>
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const std::array<util::vectori<S>,util::pow(2,S)>
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util::noise::basis::type::gradient<S>::CORNERS = generate<S> ();
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//-----------------------------------------------------------------------------
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template struct util::noise::basis::type::gradient<1>;
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template struct util::noise::basis::type::gradient<2>;
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template struct util::noise::basis::type::gradient<3>;
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template struct util::noise::basis::type::gradient<4>;
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