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| |
| #ifndef QSSG_RENDER_GRAPH_OBJECT_PICK_QUERY_H |
| #define QSSG_RENDER_GRAPH_OBJECT_PICK_QUERY_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtGui/QVector2D> |
| #include <QtGui/QMatrix4x4> |
| |
| #include <QtQuick3DUtils/private/qssgdataref_p.h> |
| |
| #include <QtQuick3DRender/private/qssgrenderbasetypes_p.h> |
| |
| #include <QtQuick3DRuntimeRender/private/qssgrendergraphobject_p.h> |
| |
| #include <limits> |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct QSSGRenderPickResult |
| { |
| const QSSGRenderGraphObject *m_hitObject = nullptr; |
| float m_cameraDistanceSq = std::numeric_limits<float>::max(); |
| // The local coordinates in X,Y UV space where the hit occured |
| QVector2D m_localUVCoords; |
| // The position in world coordinates |
| QVector3D m_scenePosition; |
| |
| QSSGRenderPickResult(const QSSGRenderGraphObject &inHitObject, |
| float inCameraDistance, |
| const QVector2D &inLocalUVCoords, |
| const QVector3D &inScenePosition); |
| QSSGRenderPickResult() = default; |
| }; |
| |
| Q_STATIC_ASSERT(std::is_trivially_destructible<QSSGRenderPickResult>::value); |
| |
| class QSSGGraphObjectPickQueryInterface |
| { |
| protected: |
| virtual ~QSSGGraphObjectPickQueryInterface() {} |
| |
| public: |
| // Implementors have the option of batching the results to allow fewer virtual calls |
| // or returning one item each pick. |
| // Results are guaranteed to be returned nearest to furthest |
| // If the return value has size of zero then we assume nothing more can be picked and the |
| // pick |
| // is finished. |
| virtual QSSGRenderPickResult pick(const QVector2D &inMouseCoords, |
| const QVector2D &inViewportDimensions, |
| bool inPickEverything) = 0; |
| }; |
| QT_END_NAMESPACE |
| #endif |