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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdirectionallight.h"
#include "qdirectionallight_p.h"
#include <Qt3DCore/qscenepropertychange.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
/*
*
* Expected Shader struct
*
* \code
*
* struct DirectionalLight
* {
* vec3 position;
* vec3 direction;
* vec4 color;
* float intensity;
* };
*
* uniform DirectionalLight directionalLights[10];
*
* \endcode
*/
/*!
\class Qt3DRender::QDirectionalLightPrivate
\internal
*/
QDirectionalLightPrivate::QDirectionalLightPrivate()
: QLightPrivate(QLight::DirectionalLight)
, m_direction(0.0f, -1.0f, 0.0f)
{
}
void QDirectionalLight::copy(const QNode *ref)
{
const QDirectionalLight *light = static_cast<const QDirectionalLight*>(ref);
d_func()->m_direction = light->d_func()->m_direction;
// This needs to be last otherwise, properties value won't be copied
// as we use shader introspection in QShaderData::copy
QLight::copy(ref);
}
QDirectionalLight::QDirectionalLight(QNode *parent)
: QLight(*new QDirectionalLightPrivate, parent)
{
}
/*! \internal */
QDirectionalLight::QDirectionalLight(QDirectionalLightPrivate &dd, QNode *parent)
: QLight(dd, parent)
{
}
void QDirectionalLight::setDirection(const QVector3D &direction)
{
Q_D(QDirectionalLight);
if (direction != d->m_direction) {
d->m_direction = direction;
emit directionChanged(direction);
}
}
QVector3D QDirectionalLight::direction() const
{
Q_D(const QDirectionalLight);
return d->m_direction;
}
} // namespace Qt3DRender
QT_END_NAMESPACE
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