qcollisiondebugmeshbuilder.cpp

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// Copyright (C) 2021 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Qt-Security score:significant reason:default

#include "qcollisiondebugmeshbuilder_p.h"

QT_BEGIN_NAMESPACE

QCollisionDebugMeshBuilder::QCollisionDebugMeshBuilder() { }

void QCollisionDebugMeshBuilder::reset()

    m_vertices.clear();

    m_normals.clear();

void QCollisionDebugMeshBuilder::addLine(const QVector3D &start, const QVector3D &end,

                                         const QVector3D &normal)

    m_vertices.append(start);

    m_vertices.append(end);

    m_normals.append(normal);

QByteArray QCollisionDebugMeshBuilder::generateVertexArray()

    QByteArray output;

    const int size = m_normals.count();

    output.resize(4 * 4 * sizeof(float) * size);

    float *data = reinterpret_cast<float *>(output.data());

    for (int i = 0; i < size; ++i) {

        const QVector3D &start = m_vertices[i * 2];

        const QVector3D &end = m_vertices[i * 2 + 1];

        const QVector3D &normal = m_normals[i];

        data[0] = start.x();

        data[1] = start.y();

        data[2] = start.z();

        data[3] = 1.0f;

        data[4] = normal.x();

        data[5] = normal.y();

        data[6] = normal.z();

        data[7] = 0.0f;

        data += 8;

        data[0] = end.x();

        data[1] = end.y();

        data[2] = end.z();

        data[3] = 1.0f;

        data[4] = normal.x();

        data[5] = normal.y();

        data[6] = normal.z();

        data[7] = 0.0f;

        data += 8;

    return output;

QT_END_NAMESPACE