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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
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* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file triangle_3d.h
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* @brief Implement a triangle ray intersection based on article
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* http://www.flipcode.com/archives/Raytracing_Topics_Techniques-Part_7_Kd-Trees_and_More_Speed.shtml
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* by Jacco Bikker, that implement optimizations based on Ingo Wald's thesis.
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*/
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#ifndef _TRIANGLE_H_
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#define _TRIANGLE_H_
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#include "object_3d.h"
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/**
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* A triangle object.
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*/
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class TRIANGLE : public OBJECT_3D
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{
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public:
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TRIANGLE( const SFVEC3F& aV1, const SFVEC3F& aV2, const SFVEC3F& aV3 );
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TRIANGLE( const SFVEC3F& aV1, const SFVEC3F& aV2, const SFVEC3F& aV3,
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const SFVEC3F& aFaceNormal );
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TRIANGLE( const SFVEC3F& aV1, const SFVEC3F& aV2, const SFVEC3F& aV3,
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const SFVEC3F& aN1, const SFVEC3F& aN2, const SFVEC3F& aN3 );
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void SetColor( const SFVEC3F& aColor );
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void SetColor( const SFVEC3F& aVC0, const SFVEC3F& aVC1, const SFVEC3F& aVC2 );
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void SetColor( unsigned int aFaceColorRGBA );
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void SetColor( unsigned int aVertex1ColorRGBA, unsigned int aVertex2ColorRGBA,
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unsigned int aVertex3ColorRGBA );
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void SetUV( const SFVEC2F& aUV1, const SFVEC2F& aUV2, const SFVEC2F& aUV3 );
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bool Intersect( const RAY& aRay, HITINFO& aHitInfo ) const override;
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bool IntersectP(const RAY& aRay, float aMaxDistance ) const override;
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bool Intersects( const BBOX_3D& aBBox ) const override;
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SFVEC3F GetDiffuseColor( const HITINFO& aHitInfo ) const override;
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private:
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void pre_calc_const();
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SFVEC3F m_normal[3]; // 36
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SFVEC3F m_vertex[3]; // 36
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SFVEC3F m_n; // 12
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SFVEC2F m_uv[3]; // 24
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unsigned int m_vertexColorRGBA[3]; // 12
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float m_nu, m_nv, m_nd; // 12
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unsigned int m_k; // 4
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float m_bnu, m_bnv; // 8
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float m_cnu, m_cnv; // 8
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// 152 bytes (max 160 == 5 * 32)
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};
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#endif // _TRIANGLE_H_
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