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22 lines
701 B
22 lines
701 B
// 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: 4.0.2019.08.29
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#pragma once
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#include <Mathematics/Cone.h>
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namespace gte
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{
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// Test for containment of a point by a cone.
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template <int N, typename Real>
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bool InContainer(Vector<N, Real> const& point, Cone<N, Real> const& cone)
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{
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Vector<N, Real> diff = point - cone.ray.origin;
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Real h = Dot(cone.ray.direction, diff);
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return cone.HeightInRange(h) && h * h >= cone.cosAngleSqr * Dot(diff, diff);
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}
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}
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