Qt Quick 3D - Simple Skinning Example
// Copyright (C) 2020 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #ifndef SKINGEOMETRY_H #define SKINGEOMETRY_H #include <QtQuick3D/qquick3d.h> #include <QtQuick3D/qquick3dgeometry.h> #include <QVector3D> #include <QtCore/QList> class SkinGeometry : public QQuick3DGeometry { Q_OBJECT QML_NAMED_ELEMENT(SkinGeometry) Q_PROPERTY(QList<QVector3D> positions READ positions WRITE setPositions NOTIFY positionsChanged) Q_PROPERTY(QList<qint32> joints READ joints WRITE setJoints NOTIFY jointsChanged) Q_PROPERTY(QList<float> weights READ weights WRITE setWeights NOTIFY weightsChanged) Q_PROPERTY(QList<quint32> indexes READ indexes WRITE setIndexes NOTIFY indexesChanged) public: SkinGeometry(QQuick3DObject *parent = nullptr); QList<QVector3D> positions() const; QList<qint32> joints() const; QList<float> weights() const; QList<quint32> indexes() const; public Q_SLOTS: void setPositions(const QList<QVector3D> &positions); void setJoints(const QList<qint32> &joints); void setWeights(const QList<float> &weights); void setIndexes(const QList<quint32> &indexes); Q_SIGNALS: void positionsChanged(); void jointsChanged(); void weightsChanged(); void indexesChanged(); protected: QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override; private: QList<QVector3D> m_positions; QList<qint32> m_joints; QList<float> m_weights; QList<quint32> m_indexes; bool m_vertexDirty = false; bool m_indexDirty = false; QByteArray m_vertexBuffer; QByteArray m_indexBuffer; }; #endif // SKINGEOMETRY_H