Revision control
++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "lineboxgeometry.h"
++ #include <QRandomGenerator>
++ #include <QVector3D>
++ #include <array>
++
++ LineBoxGeometry::LineBoxGeometry()
++ {
++ constexpr int kStride = sizeof(QVector3D);
++
++ QByteArray vertexData(24 * kStride, Qt::Initialization::Uninitialized);
++ QVector3D *p = reinterpret_cast<QVector3D *>(vertexData.data());
++
++ std::array<QVector3D, 8> pts;
++ pts[0] = QVector3D(-50, -50, -50);
++ pts[1] = QVector3D(-50, -50, +50);
++ pts[2] = QVector3D(-50, +50, +50);
++ pts[3] = QVector3D(-50, +50, -50);
++ pts[4] = QVector3D(+50, -50, -50);
++ pts[5] = QVector3D(+50, -50, +50);
++ pts[6] = QVector3D(+50, +50, +50);
++ pts[7] = QVector3D(+50, +50, -50);
++ // left side
++ *p = pts[0];
++ p++;
++ *p = pts[1];
++ p++;
++ *p = pts[1];
++ p++;
++ *p = pts[2];
++ p++;
++ *p = pts[2];
++ p++;
++ *p = pts[3];
++ p++;
++ *p = pts[3];
++ p++;
++ *p = pts[0];
++ p++;
++ // right side
++ *p = pts[4];
++ p++;
++ *p = pts[5];
++ p++;
++ *p = pts[5];
++ p++;
++ *p = pts[6];
++ p++;
++ *p = pts[6];
++ p++;
++ *p = pts[7];
++ p++;
++ *p = pts[7];
++ p++;
++ *p = pts[4];
++ p++;
++ // across
++ *p = pts[0];
++ p++;
++ *p = pts[4];
++ p++;
++ *p = pts[1];
++ p++;
++ *p = pts[5];
++ p++;
++ *p = pts[2];
++ p++;
++ *p = pts[6];
++ p++;
++ *p = pts[3];
++ p++;
++ *p = pts[7];
++ p++;
++
++ setVertexData(vertexData);
++ setStride(kStride);
++ setBounds(QVector3D(-50.0f, -50.0f, -50.0f), QVector3D(+50.0f, +50.0f, +50.0f));
++
++ setPrimitiveType(QQuick3DGeometry::PrimitiveType::Lines);
++
++ addAttribute(QQuick3DGeometry::Attribute::PositionSemantic, 0, QQuick3DGeometry::Attribute::F32Type);
++ }