- Qt 6.5
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Simple Skinning Example
- Qt Quick 3D | Commercial or GPLv3

# 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