/usr/include/libwildmagic/Wm5AxisAlignedBox2.inl is in libwildmagic-dev 5.13-1+b2.
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// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
//----------------------------------------------------------------------------
template <typename Real>
AxisAlignedBox2<Real>::AxisAlignedBox2 ()
{
}
//----------------------------------------------------------------------------
template <typename Real>
AxisAlignedBox2<Real>::~AxisAlignedBox2 ()
{
}
//----------------------------------------------------------------------------
template <typename Real>
AxisAlignedBox2<Real>::AxisAlignedBox2 (Real xmin, Real xmax, Real ymin,
Real ymax)
{
Min[0] = xmin;
Max[0] = xmax;
Min[1] = ymin;
Max[1] = ymax;
}
//----------------------------------------------------------------------------
template <typename Real>
void AxisAlignedBox2<Real>::GetCenterExtents (Vector2<Real>& center,
Real extent[2])
{
center[0] = ((Real)0.5)*(Max[0] + Min[0]);
center[1] = ((Real)0.5)*(Max[1] + Min[1]);
extent[0] = ((Real)0.5)*(Max[0] - Min[0]);
extent[1] = ((Real)0.5)*(Max[1] - Min[1]);
}
//----------------------------------------------------------------------------
template <typename Real>
bool AxisAlignedBox2<Real>::HasXOverlap (const AxisAlignedBox2& box) const
{
return (Max[0] >= box.Min[0] && Min[0] <= box.Max[0]);
}
//----------------------------------------------------------------------------
template <typename Real>
bool AxisAlignedBox2<Real>::HasYOverlap (const AxisAlignedBox2& box) const
{
return (Max[1] >= box.Min[1] && Min[1] <= box.Max[1]);
}
//----------------------------------------------------------------------------
template <typename Real>
bool AxisAlignedBox2<Real>::TestIntersection (const AxisAlignedBox2& box)
const
{
for (int i = 0; i < 2; ++i)
{
if (Max[i] < box.Min[i] || Min[i] > box.Max[i])
{
return false;
}
}
return true;
}
//----------------------------------------------------------------------------
template <typename Real>
bool AxisAlignedBox2<Real>::FindIntersection (const AxisAlignedBox2& box,
AxisAlignedBox2& intersection) const
{
int i;
for (i = 0; i < 2; ++i)
{
if (Max[i] < box.Min[i] || Min[i] > box.Max[i])
{
return false;
}
}
for (i = 0; i < 2; ++i)
{
if (Max[i] <= box.Max[i])
{
intersection.Max[i] = Max[i];
}
else
{
intersection.Max[i] = box.Max[i];
}
if (Min[i] <= box.Min[i])
{
intersection.Min[i] = box.Min[i];
}
else
{
intersection.Min[i] = Min[i];
}
}
return true;
}
//----------------------------------------------------------------------------
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