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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 | // 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>
Segment2<Real>::Segment2 ()
{
}
//----------------------------------------------------------------------------
template <typename Real>
Segment2<Real>::~Segment2 ()
{
}
//----------------------------------------------------------------------------
template <typename Real>
Segment2<Real>::Segment2 (const Vector2<Real>& p0, const Vector2<Real>& p1)
:
P0(p0),
P1(p1)
{
ComputeCenterDirectionExtent();
}
//----------------------------------------------------------------------------
template <typename Real>
Segment2<Real>::Segment2 (const Vector2<Real>& center,
const Vector2<Real>& direction, Real extent)
:
Center(center),
Direction(direction),
Extent(extent)
{
ComputeEndPoints();
}
//----------------------------------------------------------------------------
template <typename Real>
void Segment2<Real>::ComputeCenterDirectionExtent ()
{
Center = ((Real)0.5)*(P0 + P1);
Direction = P1 - P0;
Extent = ((Real)0.5)*Direction.Normalize();
}
//----------------------------------------------------------------------------
template <typename Real>
void Segment2<Real>::ComputeEndPoints ()
{
P0 = Center - Extent*Direction;
P1 = Center + Extent*Direction;
}
//----------------------------------------------------------------------------
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