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87 lines
2.1 KiB
87 lines
2.1 KiB
// David Eberly, Geometric Tools, Redmond WA 98052
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// Copyright (c) 1998-2021
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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// https://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
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// Version: 4.0.2019.08.13
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#pragma once
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#include <Mathematics/Segment.h>
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// A capsule is the set of points that are equidistant from a segment, the
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// common distance called the radius.
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namespace gte
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{
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template <int N, typename Real>
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class Capsule
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{
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public:
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// Construction and destruction. The default constructor sets the
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// segment to have endpoints p0 = (-1,0,...,0) and p1 = (1,0,...,0),
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// and the radius is 1.
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Capsule()
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:
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radius((Real)1)
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{
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}
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Capsule(Segment<N, Real> const& inSegment, Real inRadius)
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:
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segment(inSegment),
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radius(inRadius)
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{
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}
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// Public member access.
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Segment<N, Real> segment;
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Real radius;
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public:
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// Comparisons to support sorted containers.
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bool operator==(Capsule const& capsule) const
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{
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return segment == capsule.segment && radius == capsule.radius;
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}
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bool operator!=(Capsule const& capsule) const
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{
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return !operator==(capsule);
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}
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bool operator< (Capsule const& capsule) const
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{
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if (segment < capsule.segment)
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{
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return true;
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}
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if (segment > capsule.segment)
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{
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return false;
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}
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return radius < capsule.radius;
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}
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bool operator<=(Capsule const& capsule) const
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{
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return !capsule.operator<(*this);
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}
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bool operator> (Capsule const& capsule) const
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{
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return capsule.operator<(*this);
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}
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bool operator>=(Capsule const& capsule) const
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{
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return !operator<(capsule);
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}
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};
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// Template alias for convenience.
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template <typename Real>
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using Capsule3 = Capsule<3, Real>;
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}
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