106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/*
|
|
* This file is part of libgim.
|
|
*
|
|
* libgim 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 3 of the License, or (at your option) any later
|
|
* version.
|
|
*
|
|
* libgim 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 libgim. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
|
|
#include "aabb.hpp"
|
|
#include "debug.hpp"
|
|
|
|
using util::AABB;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
AABB<S,T>::AABB (point<S,T> _p0, point<S,T> _p1):
|
|
p0 (_p0),
|
|
p1 (_p1)
|
|
{
|
|
debug::sanity (*this);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
util::extent<S,T>
|
|
AABB<S,T>::magnitude (void) const
|
|
{
|
|
extent<S,T> out;
|
|
for (size_t i = 0; i < S; ++i)
|
|
out[i] = p1[i] - p0[i];
|
|
return out;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
AABB<S,T>
|
|
AABB<S,T>::operator+ (vector<S,T> v) const
|
|
{
|
|
return { p0 + v, p1 + v };
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
AABB<S,T>
|
|
AABB<S,T>::operator- (vector<S,T> v) const
|
|
{
|
|
return { p0 - v, p1 - v };
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
namespace debug {
|
|
template <size_t S, typename T>
|
|
struct validator<AABB,S,T> {
|
|
static bool is_valid (const AABB<S,T> &b)
|
|
{
|
|
for (size_t i = 0; i < S; ++i)
|
|
if (b.p1[i] < b.p0[i])
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
};
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <size_t S, typename T>
|
|
std::ostream&
|
|
util::operator<< (std::ostream &os, AABB<S,T> b)
|
|
{
|
|
os << "AABB(" << b.p0 << ", " << b.p1 << ")";
|
|
return os;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
#define INSTANTIATE_S_T(S,T) \
|
|
template struct AABB<S,T>; \
|
|
template bool debug::valid (const AABB<S,T>&); \
|
|
template std::ostream& util::operator<< (std::ostream&, AABB<S,T>);
|
|
|
|
#define INSTANTIATE(T) \
|
|
INSTANTIATE_S_T(2,T) \
|
|
INSTANTIATE_S_T(3,T)
|
|
|
|
INSTANTIATE(uint32_t)
|
|
INSTANTIATE(uint64_t)
|
|
INSTANTIATE(float)
|
|
INSTANTIATE(double)
|