QGIS API Documentation 3.41.0-Master (d5b93354e9c)
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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 "qgsraycastingutils.h"
31
32#define SIP_NO_FILE
33
34class QgsAABB;
35
36namespace Qt3DRender
37{
38 class QCamera;
39 class QGeometryRenderer;
40}
41
42
43namespace QgsRayCastingUtils
44{
45
51 class Ray3D
52 {
53 public:
54 Ray3D();
55 explicit Ray3D( QVector3D origin, QVector3D direction = QVector3D( 0.0f, 0.0f, 1.0f ), float distance = 1.0f );
56
57 QVector3D origin() const;
58 void setOrigin( QVector3D value );
59
60 QVector3D direction() const;
61 void setDirection( QVector3D value );
62
63 float distance() const;
64 void setDistance( float distance );
65
66 bool contains( QVector3D point ) const;
67 bool contains( const Ray3D &ray ) const;
68
69 QVector3D point( float t ) const;
70 float projectedDistance( QVector3D point ) const;
71
72 QVector3D project( QVector3D vector ) const;
73
74 float distance( QVector3D point ) const;
75
76 Ray3D &transform( const QMatrix4x4 &matrix );
77 Ray3D transformed( const QMatrix4x4 &matrix ) const;
78
79 // TODO c++20 - replace with = default
80 bool operator==( const Ray3D &other ) const;
81 bool operator!=( const Ray3D &other ) const;
82
83 private:
84 QVector3D m_origin;
85 QVector3D m_direction;
86 float m_distance = 1.0f;
87 };
88
95 bool rayBoxIntersection( const Ray3D &r, const QgsAABB &aabb );
96
102 bool rayTriangleIntersection( const Ray3D &ray,
103 QVector3D a,
104 QVector3D b,
105 QVector3D c,
106 QVector3D &uvw,
107 float &t );
108
115 bool rayMeshIntersection( Qt3DRender::QGeometryRenderer *geometryRenderer,
116 const QgsRayCastingUtils::Ray3D &r,
117 const QMatrix4x4 &worldTransform,
118 QVector3D &intPt,
119 int &triangleIndex );
120
121}
122
124
125#endif // QGSRAYCASTINGUTILS_P_H
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)