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71 lines
2.7 KiB
71 lines
2.7 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "Capsule.h" |
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#include "Math/Functions.h" |
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#include "Math/Matrix3.h" |
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#include "Math/Matrix4.h" |
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#include "Math/Geometry/Distance.h" |
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#include "Magnum.h" |
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#include "Shapes/Point.h" |
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#include "Shapes/Sphere.h" |
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using namespace Magnum::Math::Geometry; |
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namespace Magnum { namespace Shapes { |
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namespace { |
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template<UnsignedInt dimensions> static typename DimensionTraits<dimensions, Float>::VectorType unitVector(); |
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template<> inline Vector2 unitVector<2>() { |
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return Vector2(1/Constants::sqrt2()); |
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} |
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template<> inline Vector3 unitVector<3>() { |
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return Vector3(1/Constants::sqrt3()); |
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} |
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} |
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template<UnsignedInt dimensions> Capsule<dimensions> Capsule<dimensions>::transformed(const typename DimensionTraits<dimensions, Float>::MatrixType& matrix) const { |
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return Capsule<dimensions>(matrix.transformPoint(_a), matrix.transformPoint(_b), |
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(matrix.rotationScaling()*unitVector<dimensions>()).length()*_radius); |
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} |
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template<UnsignedInt dimensions> bool Capsule<dimensions>::operator%(const Point<dimensions>& other) const { |
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return Distance::lineSegmentPointSquared(_a, _b, other.position()) < |
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Math::pow<2>(_radius); |
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} |
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template<UnsignedInt dimensions> bool Capsule<dimensions>::operator%(const Sphere<dimensions>& other) const { |
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return Distance::lineSegmentPointSquared(_a, _b, other.position()) < |
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Math::pow<2>(_radius+other.radius()); |
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} |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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template class MAGNUM_SHAPES_EXPORT Capsule<2>; |
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template class MAGNUM_SHAPES_EXPORT Capsule<3>; |
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#endif |
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}}
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