qquick3dcustomcamera.cpp

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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#include "qquick3dcustomcamera_p.h"
 
#include <QtQuick3DRuntimeRender/private/qssgrendercamera_p.h>
 
#include <QtMath>
#include <QtQuick3DUtils/private/qssgutils_p.h>
 
#include "qquick3dnode_p_p.h"
 
#include "qquick3dutils_p.h"
 
QT_BEGIN_NAMESPACE
 
QQuick3DCustomCamera::QQuick3DCustomCamera(QQuick3DNode *parent)
    : QQuick3DCamera(*(new QQuick3DNodePrivate(QQuick3DNodePrivate::Type::CustomCamera)), parent){}
 
QMatrix4x4 QQuick3DCustomCamera::projection() const
{
    return m_projection;
}
 
void QQuick3DCustomCamera::setProjection(const QMatrix4x4 &projection)
{
    if (m_projection == projection)
        return;
 
    m_projection = projection;
    emit projectionChanged();
    update();
}
 
QSSGRenderGraphObject *QQuick3DCustomCamera::updateSpatialNode(QSSGRenderGraphObject *node)
{
    QSSGRenderCamera *camera = static_cast<QSSGRenderCamera *>(QQuick3DCamera::updateSpatialNode(node));
    if (camera) {
        if (qUpdateIfNeeded(camera->projection, m_projection))
            camera->markDirty(QSSGRenderCamera::DirtyFlag::CameraDirty);
    }
 
    return camera;
}
 
QT_END_NAMESPACE