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61 lines
2.4 KiB
61 lines
2.4 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 "Plane.h" |
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#include <limits> |
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#include "Math/Matrix4.h" |
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#include "Math/Geometry/Intersection.h" |
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#include "LineSegment.h" |
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using namespace Magnum::Math::Geometry; |
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namespace Magnum { namespace Physics { |
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void Plane::applyTransformationMatrix(const Matrix4& matrix) { |
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_transformedPosition = matrix.transformPoint(_position); |
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_transformedNormal = matrix.rotation()*_normal; |
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} |
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bool Plane::collides(const AbstractShape<3>* other) const { |
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if(other->type() == Type::Line) |
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return *this % *static_cast<const Line3D*>(other); |
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if(other->type() == Type::LineSegment) |
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return *this % *static_cast<const LineSegment3D*>(other); |
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return AbstractShape<3>::collides(other); |
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} |
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bool Plane::operator%(const Line3D& other) const { |
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Float t = Intersection::planeLine(transformedPosition(), transformedNormal(), other.transformedA(), other.transformedB()-other.transformedA()); |
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return t != t || (t != std::numeric_limits<Float>::infinity() && t != -std::numeric_limits<Float>::infinity()); |
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} |
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bool Plane::operator%(const LineSegment3D& other) const { |
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Float t = Intersection::planeLine(transformedPosition(), transformedNormal(), other.transformedA(), other.transformedB()-other.transformedA()); |
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return t > 0.0f && t < 1.0f; |
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} |
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}}
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