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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | // Geometric Tools, LLC
// 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>
Box2<Real>::Box2 ()
{
}
//----------------------------------------------------------------------------
template <typename Real>
Box2<Real>::~Box2 ()
{
}
//----------------------------------------------------------------------------
template <typename Real>
Box2<Real>::Box2 (const Vector2<Real>& center, const Vector2<Real> axis[2],
const Real extent[2])
:
Center(center)
{
Axis[0] = axis[0];
Axis[1] = axis[1];
Extent[0] = extent[0];
Extent[1] = extent[1];
}
//----------------------------------------------------------------------------
template <typename Real>
Box2<Real>::Box2 (const Vector2<Real>& center, const Vector2<Real>& axis0,
const Vector2<Real>& axis1, const Real extent0, const Real extent1)
:
Center(center)
{
Axis[0] = axis0;
Axis[1] = axis1;
Extent[0] = extent0;
Extent[1] = extent1;
}
//----------------------------------------------------------------------------
template <typename Real>
void Box2<Real>::ComputeVertices (Vector2<Real> vertex[4]) const
{
Vector2<Real> extAxis0 = Axis[0]*Extent[0];
Vector2<Real> extAxis1 = Axis[1]*Extent[1];
vertex[0] = Center - extAxis0 - extAxis1;
vertex[1] = Center + extAxis0 - extAxis1;
vertex[2] = Center + extAxis0 + extAxis1;
vertex[3] = Center - extAxis0 + extAxis1;
}
//----------------------------------------------------------------------------
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