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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include "examplegeometry.h"
++ #include <QtGui/QVector3D>
++ #include <array>
++
++ ExampleTriangleGeometry::ExampleTriangleGeometry()
++ {
++ constexpr int kStride = sizeof(QVector3D);
++ QByteArray vertexData(36 * kStride, Qt::Initialization::Uninitialized);
++ QVector3D *p = reinterpret_cast<QVector3D *>(vertexData.data());
++
++ *p = QVector3D(-50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f,-50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f,-50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(-50.0f, 50.0f, 50.0f); p++;
++ *p = QVector3D(+50.0f,-50.0f, 50.0f); p++;
++
++ setVertexData(vertexData);
++ setStride(kStride);
++ setBounds(QVector3D(-50.0f, -50.0f, -50.0f), QVector3D(+50.0f, +50.0f, +50.0f));
++ setPrimitiveType(QQuick3DGeometry::PrimitiveType::Triangles);
++ addAttribute(QQuick3DGeometry::Attribute::PositionSemantic,
++ 0,
++ QQuick3DGeometry::Attribute::F32Type);
++ }