kicad/3d-viewer/3d_rendering/3d_render_raytracing/shapes2D/ctriangle2d.h

76 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) 1992-2016 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 ctriangle2d.h
* @brief
*/
#ifndef _CTRIANGLE2D_H_
#define _CTRIANGLE2D_H_
#include "cobject2d.h"
#include "../accelerators/ccontainer2d.h"
#include <geometry/shape_line_chain.h>
#include <geometry/shape_poly_set.h>
#include <clipper.hpp>
class CTRIANGLE2D : public COBJECT2D
{
private:
SFVEC2F p1;
SFVEC2F p2;
SFVEC2F p3;
float m_inv_denominator;
float m_p2y_minus_p3y;
float m_p3x_minus_p2x;
float m_p3y_minus_p1y;
float m_p1x_minus_p3x;
public:
CTRIANGLE2D ( const SFVEC2F &aV1,
const SFVEC2F &aV2,
const SFVEC2F &aV3,
const BOARD_ITEM &aBoardItem );
const SFVEC2F &GetP1() const { return p1; }
const SFVEC2F &GetP2() const { return p2; }
const SFVEC2F &GetP3() const { return p3; }
// Imported from COBJECT2D
bool Overlaps( const CBBOX2D &aBBox ) const override;
bool Intersects( const CBBOX2D &aBBox ) const override;
bool Intersect( const RAYSEG2D &aSegRay, float *aOutT, SFVEC2F *aNormalOut ) const override;
INTERSECTION_RESULT IsBBoxInside( const CBBOX2D &aBBox ) const override;
bool IsPointInside( const SFVEC2F &aPoint ) const override;
};
void Convert_shape_line_polygon_to_triangles( const SHAPE_POLY_SET &aPolyList,
CGENERICCONTAINER2D &aDstContainer,
float aBiuTo3DunitsScale,
const BOARD_ITEM &aBoardItem );
#endif // _CTRIANGLE2D_H_