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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qspotlight.h"
#include "qspotlight_p.h"
#include <Qt3DCore/qscenepropertychange.h>
QT_BEGIN_NAMESPACE
namespace Qt3D {
/*!
*
* Expected Shader struct
*
* \code
*
* struct SpotLight
* {
* vec3 position;
* vec3 direction;
* vec4 color;
* float intensity;
* float cutOffAngle;
* };
*
* uniform SpotLight spotLights[10];
*
* \endcode
*/
/*!
\class Qt3D::QSpotLightPrivate
\internal
*/
QSpotLightPrivate::QSpotLightPrivate()
: QAbstractLightPrivate()
, m_cutOffAngle(45.0f)
{
}
void QSpotLight::copy(const QNode *ref)
{
const QSpotLight *light = static_cast<const QSpotLight*>(ref);
d_func()->m_direction = light->d_func()->m_direction;
d_func()->m_cutOffAngle = light->d_func()->m_cutOffAngle;
// This needs to be last otherwise, properties value won't be copied
// as we use shader introspection in QShaderData::copy
QAbstractLight::copy(ref);
}
QSpotLight::QSpotLight(QNode *parent)
: QAbstractLight(*new QSpotLightPrivate, parent)
{
}
/*! \internal */
QSpotLight::QSpotLight(QSpotLightPrivate &dd, QNode *parent)
: QAbstractLight(dd, parent)
{
}
QVector3D QSpotLight::direction() const
{
Q_D(const QSpotLight);
return d->m_direction;
}
float QSpotLight::cutOffAngle() const
{
Q_D(const QSpotLight);
return d->m_cutOffAngle;
}
void QSpotLight::setDirection(const QVector3D &direction)
{
Q_D(QSpotLight);
if (direction != d->m_direction) {
d->m_direction = direction;
emit directionChanged();
}
}
void QSpotLight::setCutOffAngle(float cutOffAngle)
{
Q_D(QSpotLight);
if (d->m_cutOffAngle != cutOffAngle) {
d->m_cutOffAngle = cutOffAngle;
emit cutOffAngleChanged();
}
}
} // Qt3D
QT_END_NAMESPACE
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