kicad/3d-viewer/3d_rendering/raytracing/shapes2D/4pt_polygon_2d.h

71 lines
2.6 KiB
C++

/*
* 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) 1992-2020 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 4pt_polygon_2d.h
* @brief A simplified non-intersecting 4 point polygon.
*/
#ifndef _POLYGON_4PT_2D_H_
#define _POLYGON_4PT_2D_H_
#include "object_2d.h"
/**
* Simple non-intersecting polygon with 4 points.
*
* Used for footprint pads. (rectangles, trapezoids, with rotation.etc). This is a
* simplified version of the #POLYGON_2D class.
*/
class POLYGON_4PT_2D : public OBJECT_2D
{
public:
POLYGON_4PT_2D( const SFVEC2F& v1, const SFVEC2F& v2, const SFVEC2F& v3, const SFVEC2F& v4,
const BOARD_ITEM& aBoardItem );
const SFVEC2F& GetV0() const { return m_segments[0]; }
const SFVEC2F& GetV1() const { return m_segments[1]; }
const SFVEC2F& GetV2() const { return m_segments[2]; }
const SFVEC2F& GetV3() const { return m_segments[3]; }
const SFVEC2F& GetN0() const { return m_seg_normal[0]; }
const SFVEC2F& GetN1() const { return m_seg_normal[1]; }
const SFVEC2F& GetN2() const { return m_seg_normal[2]; }
const SFVEC2F& GetN3() const { return m_seg_normal[3]; }
bool Overlaps( const BBOX_2D& aBBox ) const override;
bool Intersects( const BBOX_2D& aBBox ) const override;
bool Intersect( const RAYSEG2D& aSegRay, float* aOutT, SFVEC2F* aNormalOut ) const override;
INTERSECTION_RESULT IsBBoxInside( const BBOX_2D& aBBox ) const override;
bool IsPointInside( const SFVEC2F& aPoint ) const override;
private:
SFVEC2F m_segments[4];
SFVEC2F m_precalc_slope[4];
SFVEC2F m_seg_normal[4];
};
#endif // _POLYGON_4PT_2D_H_