Qt Quick 3D - Custom Geometry Example | Qt Quick 3D 6.7.2
Description: Demonstrates providing custom vertex data from C++ and QML.

- Qt 6.7
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Custom Geometry Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - Custom Geometry Example

     // Copyright (C) 2020 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     #ifndef EXAMPLEGEOMETRY_H
     #define EXAMPLEGEOMETRY_H

     #include <QQuick3DGeometry>

     class ExampleTriangleGeometry : public QQuick3DGeometry
     {
         Q_OBJECT
         QML_NAMED_ELEMENT(ExampleTriangleGeometry)
         Q_PROPERTY(bool normals READ normals WRITE setNormals NOTIFY normalsChanged)
         Q_PROPERTY(float normalXY READ normalXY WRITE setNormalXY NOTIFY normalXYChanged)
         Q_PROPERTY(bool uv READ uv WRITE setUV NOTIFY uvChanged)
         Q_PROPERTY(float uvAdjust READ uvAdjust WRITE setUVAdjust NOTIFY uvAdjustChanged)

     public:
         ExampleTriangleGeometry();

         bool normals() const { return m_hasNormals; }
         void setNormals(bool enable);

         float normalXY() const { return m_normalXY; }
         void setNormalXY(float xy);

         bool uv() const { return m_hasUV; }
         void setUV(bool enable);

         float uvAdjust() const { return m_uvAdjust; }
         void setUVAdjust(float f);

     signals:
         void normalsChanged();
         void normalXYChanged();
         void uvChanged();
         void uvAdjustChanged();

     private:
         void updateData();

         bool m_hasNormals = false;
         float m_normalXY = 0.0f;
         bool m_hasUV = false;
         float m_uvAdjust = 0.0f;
     };

     class ExamplePointGeometry : public QQuick3DGeometry
     {
         Q_OBJECT
         QML_NAMED_ELEMENT(ExamplePointGeometry)

     public:
         ExamplePointGeometry();

     private:
         void updateData();
     };

     #endif