QGIS API Documentation 3.27.0-Master (1c05421486)
qgsraycastingutils_p.h
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1/***************************************************************************
2 qgsraycastingutils_p.h
3 --------------------------------------
4 Date : June 2018
5 Copyright : (C) 2018 by Martin Dobias
6 Email : wonder dot sk at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSRAYCASTINGUTILS_P_H
17#define QGSRAYCASTINGUTILS_P_H
18
20
21//
22// W A R N I N G
23// -------------
24//
25// This file is not part of the QGIS API. It exists purely as an
26// implementation detail. This header file may change from version to
27// version without notice, or even be removed.
28//
29
30#include <QVector3D>
31
32#define SIP_NO_FILE
33
34class QgsAABB;
35
36namespace Qt3DRender
37{
38 class QCamera;
39}
40
41
42namespace QgsRayCastingUtils
43{
44
50 class Ray3D
51 {
52 public:
53 Ray3D();
54 explicit Ray3D( QVector3D origin, QVector3D direction = QVector3D( 0.0f, 0.0f, 1.0f ), float distance = 1.0f );
55
56 QVector3D origin() const;
57 void setOrigin( QVector3D value );
58
59 QVector3D direction() const;
60 void setDirection( QVector3D value );
61
62 float distance() const;
63 void setDistance( float distance );
64
65 bool contains( QVector3D point ) const;
66 bool contains( const Ray3D &ray ) const;
67
68 QVector3D point( float t ) const;
69 float projectedDistance( QVector3D point ) const;
70
71 QVector3D project( QVector3D vector ) const;
72
73 float distance( QVector3D point ) const;
74
75 Ray3D &transform( const QMatrix4x4 &matrix );
76 Ray3D transformed( const QMatrix4x4 &matrix ) const;
77
78 // TODO c++20 - replace with = default
79 bool operator==( const Ray3D &other ) const;
80 bool operator!=( const Ray3D &other ) const;
81
82 private:
83 QVector3D m_origin;
84 QVector3D m_direction;
85 float m_distance = 1.0f;
86 };
87
94 bool rayBoxIntersection( const Ray3D &r, const QgsAABB &aabb );
95
101 bool rayTriangleIntersection( const Ray3D &ray,
102 QVector3D a,
103 QVector3D b,
104 QVector3D c,
105 QVector3D &uvw,
106 float &t );
107}
108
110
111#endif // QGSRAYCASTINGUTILS_P_H
3
Definition: qgsaabb.h:34
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
bool operator==(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
bool operator!=(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)