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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
125 lines
3.7 KiB
C++
125 lines
3.7 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 plane_3d.cpp
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*/
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#include "plane_3d.h"
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XY_PLANE::XY_PLANE( const BBOX_3D& aBBox ) : OBJECT_3D( OBJECT_3D_TYPE::XYPLANE )
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{
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m_centerPoint = aBBox.GetCenter();
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m_centroid = m_centerPoint;
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m_bbox.Reset();
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m_bbox.Set( aBBox );
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m_xsize = aBBox.GetExtent().x;
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m_ysize = aBBox.GetExtent().y;
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m_xsize_inv2 = 1.0f / ( 2.0f * m_xsize );
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m_ysize_inv2 = 1.0f / ( 2.0f * m_ysize );
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}
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XY_PLANE::XY_PLANE( SFVEC3F aCenterPoint, float aXSize, float aYSize )
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: OBJECT_3D( OBJECT_3D_TYPE::XYPLANE )
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{
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m_centerPoint = aCenterPoint;
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m_xsize = aXSize;
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m_ysize = aYSize;
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m_xsize_inv2 = 1.0f / ( 2.0f * aXSize );
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m_ysize_inv2 = 1.0f / ( 2.0f * aYSize );
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m_bbox.Set( SFVEC3F( aCenterPoint.x - aXSize / 2.0f, aCenterPoint.y - aYSize / 2.0f,
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aCenterPoint.z ),
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SFVEC3F( aCenterPoint.x + aXSize / 2.0f, aCenterPoint.y + aYSize / 2.0f,
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aCenterPoint.z ) );
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m_centroid = aCenterPoint;
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}
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bool XY_PLANE::Intersect( const RAY& aRay, HITINFO& aHitInfo ) const
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{
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const float t = ( m_centerPoint.z - aRay.m_Origin.z ) * aRay.m_InvDir.z;
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if( ( t < FLT_EPSILON ) || ( t >= aHitInfo.m_tHit ) )
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return false;
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const float vSU = t * aRay.m_Dir.x + aRay.m_Origin.x - m_centerPoint.x;
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if( (vSU < -m_xsize) || (vSU > m_xsize) )
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return false;
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const float vSV = t * aRay.m_Dir.y + aRay.m_Origin.y - m_centerPoint.y;
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if( ( vSV < -m_ysize ) || ( vSV > m_ysize ) )
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return false;
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aHitInfo.m_tHit = t;
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aHitInfo.m_HitPoint = aRay.at( t );
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aHitInfo.pHitObject = this;
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if( aRay.m_dirIsNeg[2] )
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aHitInfo.m_HitNormal = SFVEC3F( 0.0f, 0.0f, 1.0f );
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else
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aHitInfo.m_HitNormal = SFVEC3F( 0.0f, 0.0f,-1.0f );
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m_material->Generate( aHitInfo.m_HitNormal, aRay, aHitInfo );
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return true;
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}
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bool XY_PLANE::IntersectP(const RAY& aRay, float aMaxDistance ) const
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{
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const float t = ( m_centerPoint.z - aRay.m_Origin.z ) * aRay.m_InvDir.z;
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if( ( t < FLT_EPSILON ) || ( t >= aMaxDistance ) )
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return false;
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const float vSU = t * aRay.m_Dir.x + aRay.m_Origin.x - m_centerPoint.x;
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if( ( vSU < -m_xsize ) || ( vSU > m_xsize ) )
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return false;
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const float vSV = t * aRay.m_Dir.y + aRay.m_Origin.y - m_centerPoint.y;
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if( ( vSV < -m_ysize ) || ( vSV > m_ysize ) )
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return false;
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return true;
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}
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bool XY_PLANE::Intersects( const BBOX_3D& aBBox ) const
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{
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return m_bbox.Intersects( aBBox );
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}
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SFVEC3F XY_PLANE::GetDiffuseColor( const HITINFO& /* aHitInfo */ ) const
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{
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return m_diffusecolor;
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}
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