kicad/3d-viewer/3d_rendering/3d_render_raytracing/hitinfo.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file hitinfo.h
* @brief
*/
#ifndef _HITINFO_H_
#define _HITINFO_H_
#include "raypacket.h"
//#define RAYTRACING_RAY_STATISTICS
class OBJECT_3D;
/// Stores the hit information of a ray with a point on the surface of a object
struct HITINFO
{
SFVEC3F m_HitNormal; ///< (12) normal at the hit point
float m_tHit; ///< ( 4) distance
const OBJECT_3D* pHitObject; ///< ( 4) Object that was hitted
SFVEC2F m_UV; ///< ( 8) 2-D texture coordinates
unsigned int m_acc_node_info; ///< ( 4) The acc stores here the node that it hits
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SFVEC3F m_HitPoint; ///< (12) hit position
float m_ShadowFactor; ///< ( 4) Shadow attenuation (1.0 no shadow, 0.0f darkness)
#ifdef RAYTRACING_RAY_STATISTICS
// Statistics
unsigned int m_NrRayObjTests; ///< Number of ray-objects tests
unsigned int m_NrTransversedNodes; ///< Number of transversed nodes in the acc structure
#endif
};
struct HITINFO_PACKET
{
bool m_hitresult;
HITINFO m_HitInfo;
};
#endif // _HITINFO_H_