1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
* 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 croundsegment2d.h
* @brief
*/
#ifndef _CROUNDSEGMENT2D_H_
#define _CROUNDSEGMENT2D_H_
#include "cobject2d.h"
class CROUNDSEGMENT2D : public COBJECT2D
{
friend class CROUNDSEG;
private:
RAYSEG2D m_segment;
SFVEC2F m_leftStart;
SFVEC2F m_leftEnd;
SFVEC2F m_leftEndMinusStart;
SFVEC2F m_leftDir;
SFVEC2F m_rightStart;
SFVEC2F m_rightEnd;
SFVEC2F m_rightEndMinusStart;
SFVEC2F m_rightDir;
float m_radius;
float m_radius_squared;
float m_width;
public:
CROUNDSEGMENT2D( const SFVEC2F &aStart, const SFVEC2F &aEnd, float aWidth,
const BOARD_ITEM &aBoardItem );
float GetRadius() const { return m_radius; }
float GetRadiusSquared() const { return m_radius_squared; }
float GetWidth() const { return m_width; }
float GetLength() const { return m_segment.m_Length; }
const SFVEC2F &GetStart() const { return m_segment.m_Start; }
const SFVEC2F &GetEnd() const { return m_segment.m_End; }
const SFVEC2F &GetEnd_minus_Start() const { return m_segment.m_End_minus_start; }
const SFVEC2F &GetLeftStar() const { return m_leftStart; }
const SFVEC2F &GetLeftEnd() const { return m_leftEnd; }
const SFVEC2F &GetLeftEnd_minus_Start() const { return m_leftEndMinusStart; }
const SFVEC2F &GetLeftDir() const { return m_leftDir; }
const SFVEC2F &GetRightStar() const { return m_rightStart; }
const SFVEC2F &GetRightEnd() const { return m_rightEnd; }
const SFVEC2F &GetRightEnd_minus_Start() const { return m_rightEndMinusStart; }
const SFVEC2F &GetRightDir() const { return m_rightDir; }
// 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;
};
static const float s_min_dot = (FLT_EPSILON * 4.0f) ;
/**
* @brief Segment_is_a_circle - check if segment start and end is very close to each other
* should used to check if the segment should be converted to a circle instead
* @param aStart
* @param aEnd
* @return true is it is better to convert the segment to circle
*/
inline bool Is_segment_a_circle( const SFVEC2F &aStart, const SFVEC2F &aEnd )
{
const SFVEC2F vec = aEnd - aStart;
return (aStart == aEnd) ||
// This is the same as calc the lenght squared (without the sqrt)
// and compare with a small value
( glm::dot( vec, vec ) <= s_min_dot );
}
#endif // _CROUNDSEGMENT2D_H_
|
