106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* 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 libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#include "aabb.hpp"
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#include "debug.hpp"
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using util::AABB;
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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AABB<S,T>::AABB (point<S,T> _p0, point<S,T> _p1):
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p0 (_p0),
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p1 (_p1)
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{
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debug::sanity (*this);
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}
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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util::extent<S,T>
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AABB<S,T>::magnitude (void) const
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{
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extent<S,T> out;
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for (size_t i = 0; i < S; ++i)
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out[i] = p1[i] - p0[i];
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return out;
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}
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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AABB<S,T>
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AABB<S,T>::operator+ (vector<S,T> v) const
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{
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return { p0 + v, p1 + v };
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}
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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AABB<S,T>
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AABB<S,T>::operator- (vector<S,T> v) const
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{
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return { p0 - v, p1 - v };
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}
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//-----------------------------------------------------------------------------
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namespace debug {
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template <size_t S, typename T>
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struct validator<AABB,S,T> {
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static bool is_valid (const AABB<S,T> &b)
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{
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for (size_t i = 0; i < S; ++i)
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if (b.p1[i] < b.p0[i])
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return false;
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return true;
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}
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};
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}
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//-----------------------------------------------------------------------------
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template <size_t S, typename T>
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std::ostream&
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util::operator<< (std::ostream &os, AABB<S,T> b)
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{
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os << "AABB(" << b.p0 << ", " << b.p1 << ")";
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return os;
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}
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//-----------------------------------------------------------------------------
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#define INSTANTIATE_S_T(S,T) \
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namespace util { template struct AABB<S,T>; } \
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template bool debug::valid (const AABB<S,T>&); \
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template std::ostream& util::operator<< (std::ostream&, AABB<S,T>);
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#define INSTANTIATE(T) \
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INSTANTIATE_S_T(2,T) \
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INSTANTIATE_S_T(3,T)
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INSTANTIATE(uint32_t)
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INSTANTIATE(uint64_t)
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INSTANTIATE(float)
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INSTANTIATE(double)
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