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| |
| #include <Qt3DQuickRender/private/quick3draycaster_p.h> |
| #include <Qt3DQuickRender/private/quick3draycaster_p_p.h> |
| #include <Qt3DCore/private/qscene_p.h> |
| |
| #include <Qt3DCore/QEntity> |
| |
| #include <QQmlEngine> |
| #include <QJSValue> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| namespace Render { |
| namespace Quick { |
| |
| void Quick3DRayCasterPrivate::dispatchHits(const QAbstractRayCaster::Hits &hits) |
| { |
| m_hits = hits; |
| updateHitEntites(m_hits, m_scene); |
| |
| Q_Q(Quick3DRayCaster); |
| if (!m_engine) |
| m_engine = qmlEngine(q->parent()); |
| |
| m_jsHits = convertHits(m_hits, m_engine); |
| |
| bool v = q->blockNotifications(true); |
| emit q->hitsChanged(m_jsHits); |
| q->blockNotifications(v); |
| } |
| |
| QJSValue Quick3DRayCasterPrivate::convertHits(const QAbstractRayCaster::Hits &hits, QQmlEngine *engine) |
| { |
| auto jsHits = engine->newArray(hits.length()); |
| for (int i=0; i<hits.size(); i++) { |
| QJSValue v = engine->newObject(); |
| v.setProperty(QLatin1String("type"), hits[i].type()); |
| v.setProperty(QLatin1String("entity"), engine->newQObject(hits[i].entity())); |
| v.setProperty(QLatin1String("distance"), hits[i].distance()); |
| { |
| QJSValue p = engine->newObject(); |
| p.setProperty(QLatin1String("x"), hits[i].localIntersection().x()); |
| p.setProperty(QLatin1String("y"), hits[i].localIntersection().y()); |
| p.setProperty(QLatin1String("z"), hits[i].localIntersection().z()); |
| v.setProperty(QLatin1String("localIntersection"), p); |
| } |
| { |
| QJSValue p = engine->newObject(); |
| p.setProperty(QLatin1String("x"), hits[i].worldIntersection().x()); |
| p.setProperty(QLatin1String("y"), hits[i].worldIntersection().y()); |
| p.setProperty(QLatin1String("z"), hits[i].worldIntersection().z()); |
| v.setProperty(QLatin1String("worldIntersection"), p); |
| } |
| |
| switch (hits[i].type()) { |
| case Qt3DRender::QRayCasterHit::TriangleHit: |
| v.setProperty(QLatin1String("primitiveIndex"), hits[i].primitiveIndex()); |
| v.setProperty(QLatin1String("vertex1Index"), hits[i].vertex1Index()); |
| v.setProperty(QLatin1String("vertex2Index"), hits[i].vertex2Index()); |
| v.setProperty(QLatin1String("vertex3Index"), hits[i].vertex3Index()); |
| break; |
| case Qt3DRender::QRayCasterHit::LineHit: |
| v.setProperty(QLatin1String("primitiveIndex"), hits[i].primitiveIndex()); |
| v.setProperty(QLatin1String("vertex1Index"), hits[i].vertex1Index()); |
| v.setProperty(QLatin1String("vertex2Index"), hits[i].vertex2Index()); |
| break; |
| case Qt3DRender::QRayCasterHit::PointHit: |
| v.setProperty(QLatin1String("primitiveIndex"), hits[i].primitiveIndex()); |
| break; |
| default: break; |
| } |
| |
| jsHits.setProperty(i, v); |
| } |
| |
| return jsHits; |
| } |
| |
| void Quick3DRayCasterPrivate::appendLayer(QQmlListProperty<QLayer> *list, QLayer *layer) |
| { |
| QAbstractRayCaster *filter = qobject_cast<QAbstractRayCaster *>(list->object); |
| if (filter) |
| filter->addLayer(layer); |
| } |
| |
| QLayer *Quick3DRayCasterPrivate::layerAt(QQmlListProperty<QLayer> *list, int index) |
| { |
| QAbstractRayCaster *filter = qobject_cast<QAbstractRayCaster *>(list->object); |
| if (filter) |
| return filter->layers().at(index); |
| return nullptr; |
| } |
| |
| int Quick3DRayCasterPrivate::layerCount(QQmlListProperty<QLayer> *list) |
| { |
| QAbstractRayCaster *filter = qobject_cast<QAbstractRayCaster *>(list->object); |
| if (filter) |
| return filter->layers().count(); |
| return 0; |
| } |
| |
| void Quick3DRayCasterPrivate::clearLayers(QQmlListProperty<QLayer> *list) |
| { |
| QAbstractRayCaster *filter = qobject_cast<QAbstractRayCaster *>(list->object); |
| if (filter) { |
| const auto layers = filter->layers(); |
| for (QLayer *layer : layers) |
| filter->removeLayer(layer); |
| } |
| } |
| |
| Quick3DRayCaster::Quick3DRayCaster(QObject *parent) |
| : QRayCaster(*new Quick3DRayCasterPrivate(), qobject_cast<Qt3DCore::QNode *>(parent)) |
| { |
| } |
| |
| QJSValue Quick3DRayCaster::hits() const |
| { |
| Q_D(const Quick3DRayCaster); |
| return d->m_jsHits; |
| } |
| |
| QQmlListProperty<Qt3DRender::QLayer> Qt3DRender::Render::Quick::Quick3DRayCaster::qmlLayers() |
| { |
| return QQmlListProperty<QLayer>(this, 0, |
| &Quick3DRayCasterPrivate::appendLayer, |
| &Quick3DRayCasterPrivate::layerCount, |
| &Quick3DRayCasterPrivate::layerAt, |
| &Quick3DRayCasterPrivate::clearLayers); |
| } |
| |
| } // namespace Quick |
| } // namespace Render |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |