Kearwood Gilbert
877b4b9bb7
Implemented swept sphere - mesh intersection testing / sphereCast functionality. - Not yet fully tested or optimized. --HG-- branch : nfb
64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
//
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// KRTriangle.h
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// KREngine
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//
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// Copyright 2012 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#ifndef KRTRIANGLE3_H
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#define KRTRIANGLE3_H
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#include "KRVector3.h"
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class KRTriangle3
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{
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public:
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KRTriangle3(const KRTriangle3 &tri);
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KRTriangle3(const KRVector3 &v1, const KRVector3 &v2, const KRVector3 &v3);
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~KRTriangle3();
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KRVector3 calculateNormal() const;
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bool operator ==(const KRTriangle3& b) const;
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bool operator !=(const KRTriangle3& b) const;
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KRTriangle3& operator =(const KRTriangle3& b);
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KRVector3& operator[](unsigned i);
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KRVector3 operator[](unsigned i) const;
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bool rayCast(const KRVector3 &start, const KRVector3 &dir, KRVector3 &hit_point) const;
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bool sphereCast(const KRVector3 &start, const KRVector3 &dir, float radius, KRVector3 &hit_point, float &hit_distance) const;
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bool containsPoint(const KRVector3 &p) const;
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KRVector3 closestPointOnTriangle(const KRVector3 &p) const;
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private:
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KRVector3 m_c[3];
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};
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#endif // KRTRIANGLE3_H
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