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| 2 | ** | 
| 3 | ** Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB). | 
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| 5 | ** | 
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. | 
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| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "qraycasterhit.h" | 
| 41 |  | 
| 42 | QT_BEGIN_NAMESPACE | 
| 43 |  | 
| 44 | namespace Qt3DRender { | 
| 45 |  | 
| 46 | class QRayCasterHitData : public QSharedData | 
| 47 | { | 
| 48 | public: | 
| 49 |     QRayCasterHitData() { } | 
| 50 |     QRayCasterHitData(QRayCasterHit::HitType type, Qt3DCore::QNodeId id, float distance, | 
| 51 |                       const QVector3D &localIntersect, const QVector3D &worldIntersect, | 
| 52 |                       uint primitiveIndex, uint v1 = 0, uint v2 = 0, uint v3 = 0); | 
| 53 |  | 
| 54 |     QRayCasterHit::HitType m_type = QRayCasterHit::EntityHit; | 
| 55 |     Qt3DCore::QNodeId m_entityId; | 
| 56 |     Qt3DCore::QEntity *m_entity = nullptr; | 
| 57 |     float m_distance = 0.f; | 
| 58 |     QVector3D m_localIntersection; | 
| 59 |     QVector3D m_worldIntersection; | 
| 60 |     uint m_primitiveIndex = 0; | 
| 61 |     uint m_vertex1Index = 0; | 
| 62 |     uint m_vertex2Index = 0; | 
| 63 |     uint m_vertex3Index = 0; | 
| 64 | }; | 
| 65 |  | 
| 66 | QRayCasterHitData::QRayCasterHitData(QRayCasterHit::HitType type, Qt3DCore::QNodeId id, float distance, | 
| 67 |                                      const QVector3D &localIntersect, const QVector3D &worldIntersect, | 
| 68 |                                      uint primitiveIndex, uint v1, uint v2, uint v3) | 
| 69 |     : m_type(type) | 
| 70 |     , m_entityId(id) | 
| 71 |     , m_entity(nullptr) | 
| 72 |     , m_distance(distance) | 
| 73 |     , m_localIntersection(localIntersect) | 
| 74 |     , m_worldIntersection(worldIntersect) | 
| 75 |     , m_primitiveIndex(primitiveIndex) | 
| 76 |     , m_vertex1Index(v1) | 
| 77 |     , m_vertex2Index(v2) | 
| 78 |     , m_vertex3Index(v3) | 
| 79 | { | 
| 80 |  | 
| 81 | } | 
| 82 |  | 
| 83 | /*! | 
| 84 |     \class Qt3DRender::QRayCasterHit | 
| 85 |     \brief Details of a hit when casting a ray through a model. | 
| 86 |     \inmodule Qt3DRender | 
| 87 |     \since 5.11 | 
| 88 |  | 
| 89 |     Qt3DRender::QRayCasterHit contains the details of a successful hit when casting a ray through | 
| 90 |     a model using a Qt3DRender::QRayCaster or Qt3DRender::QScreenRayCaster component. | 
| 91 |  | 
| 92 |     \sa Qt3DRender::QRayCaster, Qt3DRender::QScreenRayCaster, Qt3DRender::QPickingSettings | 
| 93 | */ | 
| 94 |  | 
| 95 | /*! | 
| 96 |     \enum QRayCasterHit::HitType | 
| 97 |  | 
| 98 |     Specifies type of hit that was returned. This is controlled using QPickingSettings. | 
| 99 |  | 
| 100 |     \value TriangleHit The picked primitive was a triangle and the vertex indices refer to the | 
| 101 |     three points making up the triangle | 
| 102 |  | 
| 103 |     \value LineHit The picked primitive was a line segment, and the first two vertices refer to | 
| 104 |     the two points making up the line | 
| 105 |  | 
| 106 |     \value PointHit The picked primitive was a single point; all 3 vertex indices | 
| 107 |     will be undefined | 
| 108 |  | 
| 109 |     \value EntityHit Only the bounding volume was considered; the primitive and vertex indices | 
| 110 |     will be undefined | 
| 111 | */ | 
| 112 |  | 
| 113 | QRayCasterHit::QRayCasterHit() | 
| 114 |     : d(new QRayCasterHitData) | 
| 115 | { | 
| 116 |  | 
| 117 | } | 
| 118 |  | 
| 119 | QRayCasterHit::QRayCasterHit(QRayCasterHit::HitType type, Qt3DCore::QNodeId id, float distance, | 
| 120 |                              const QVector3D &localIntersect, const QVector3D &worldIntersect, | 
| 121 |                              uint primitiveIndex, uint v1, uint v2, uint v3) | 
| 122 |     : d(new QRayCasterHitData(type, id, distance, localIntersect, worldIntersect, primitiveIndex, v1, v2, v3)) | 
| 123 | { | 
| 124 |  | 
| 125 | } | 
| 126 |  | 
| 127 | QRayCasterHit::QRayCasterHit(const QRayCasterHit &other) | 
| 128 |     : d(other.d) | 
| 129 | { | 
| 130 |  | 
| 131 | } | 
| 132 |  | 
| 133 | QRayCasterHit::~QRayCasterHit() | 
| 134 | { | 
| 135 |  | 
| 136 | } | 
| 137 |  | 
| 138 | QRayCasterHit &QRayCasterHit::operator =(const QRayCasterHit &other) | 
| 139 | { | 
| 140 |     d = other.d; | 
| 141 |     return *this; | 
| 142 | } | 
| 143 |  | 
| 144 | /*! | 
| 145 |  * \brief Returns the type of the hit | 
| 146 |  */ | 
| 147 | QRayCasterHit::HitType Qt3DRender::QRayCasterHit::type() const | 
| 148 | { | 
| 149 |     return d->m_type; | 
| 150 | } | 
| 151 |  | 
| 152 | /*! | 
| 153 |  * \brief Returns the id of the entity that was hit | 
| 154 |  */ | 
| 155 | Qt3DCore::QNodeId QRayCasterHit::entityId() const | 
| 156 | { | 
| 157 |     return d->m_entityId; | 
| 158 | } | 
| 159 |  | 
| 160 | /*! | 
| 161 |  * \brief Returns a pointer to the entity that was hit | 
| 162 |  */ | 
| 163 | Qt3DCore::QEntity *QRayCasterHit::entity() const | 
| 164 | { | 
| 165 |     return d->m_entity; | 
| 166 | } | 
| 167 |  | 
| 168 | /*! | 
| 169 |  * \brief Returns the distance between the origin of the ray and the intersection point | 
| 170 |  */ | 
| 171 | float QRayCasterHit::distance() const | 
| 172 | { | 
| 173 |     return d->m_distance; | 
| 174 | } | 
| 175 |  | 
| 176 | /*! | 
| 177 |  * \brief Returns the coordinates of the intersection point in the entity's coordinate system | 
| 178 |  */ | 
| 179 | QVector3D QRayCasterHit::localIntersection() const | 
| 180 | { | 
| 181 |     return d->m_localIntersection; | 
| 182 | } | 
| 183 |  | 
| 184 | /*! | 
| 185 |  * \brief Returns the coordinates of the intersection point in the model's coordinate system | 
| 186 |  */ | 
| 187 | QVector3D QRayCasterHit::worldIntersection() const | 
| 188 | { | 
| 189 |     return d->m_worldIntersection; | 
| 190 | } | 
| 191 |  | 
| 192 | /*! | 
| 193 |  * \brief Returns the index of the picked primitive | 
| 194 |  */ | 
| 195 | uint QRayCasterHit::primitiveIndex() const | 
| 196 | { | 
| 197 |     return d->m_primitiveIndex; | 
| 198 | } | 
| 199 |  | 
| 200 | /*! | 
| 201 |  * \brief Returns the index of the first vertex of the picked primitive | 
| 202 |  */ | 
| 203 | uint QRayCasterHit::vertex1Index() const | 
| 204 | { | 
| 205 |     return d->m_vertex1Index; | 
| 206 | } | 
| 207 |  | 
| 208 | /*! | 
| 209 |  * \brief Returns the index of the second vertex of the picked primitive | 
| 210 |  */ | 
| 211 | uint QRayCasterHit::vertex2Index() const | 
| 212 | { | 
| 213 |     return d->m_vertex2Index; | 
| 214 | } | 
| 215 |  | 
| 216 | /*! | 
| 217 |  * \brief Returns the index of the third vertex of the picked primitive | 
| 218 |  */ | 
| 219 | uint QRayCasterHit::vertex3Index() const | 
| 220 | { | 
| 221 |     return d->m_vertex3Index; | 
| 222 | } | 
| 223 |  | 
| 224 | /*! \internal */ | 
| 225 | void QRayCasterHit::setEntity(Qt3DCore::QEntity *entity) const | 
| 226 | { | 
| 227 |     // don't detach | 
| 228 |     const_cast<QRayCasterHitData *>(d.constData())->m_entity = entity; | 
| 229 | } | 
| 230 |  | 
| 231 | } // Qt3DRender | 
| 232 |  | 
| 233 | QT_END_NAMESPACE | 
| 234 |  |