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++ // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qdirectionallight.h"
++ #include "qdirectionallight_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++
++ /*
++ *
++ * Expected Shader struct
++ *
++ * \code
++ *
++ * struct DirectionalLight
++ * {
++ * vec3 position;
++ * vec3 worldDirection;
++ * vec4 color;
++ * float intensity;
++ * };
++ *
++ * uniform DirectionalLight directionalLights[10];
++ *
++ * \endcode
++ */
++
++ QDirectionalLightPrivate::QDirectionalLightPrivate()
++ : QAbstractLightPrivate(QAbstractLight::DirectionalLight)
++ {
++ m_shaderData->setProperty("direction", QVector3D(0.0f, -1.0f, 0.0f));
++ }
++
++ /*!
++ \class Qt3DRender::QDirectionalLight
++ \inmodule Qt3DRender
++ \since 5.7
++ \brief Encapsulate a Directional Light object in a Qt 3D scene.
++
++ A directional light is a light source that behaves similar to sunlight.
++ The light from a directional light hits all objects from the same direction
++ and with the same intensity, regardless of where they are in the scene.
++ */
++
++ /*!
++ \qmltype DirectionalLight
++ \nativetype Qt3DRender::QDirectionalLight
++ \inherits Light
++ \inqmlmodule Qt3D.Render
++ \since 5.7
++ \brief Encapsulate a Directional Light object in a Qt 3D scene.
++
++ A directional light is a light source that behaves similar to sunlight.
++ The light from a directional light hits all objects from the same direction
++ and with the same intensity, regardless of where they are in the scene.
++ */
++
++ /*!
++ \fn Qt3DRender::QDirectionalLight::QDirectionalLight(Qt3DCore::QNode *parent)
++ Constructs a new QDirectionalLight with the specified \a parent.
++ */
++ QDirectionalLight::QDirectionalLight(QNode *parent)
++ : QAbstractLight(*new QDirectionalLightPrivate, parent)
++ {
++ }
++
++ /*! \internal */
++ QDirectionalLight::~QDirectionalLight()
++ {
++ }
++
++ /*! \internal */
++ QDirectionalLight::QDirectionalLight(QDirectionalLightPrivate &dd, QNode *parent)
++ : QAbstractLight(dd, parent)
++ {
++ }
++
++ /*!
++ \qmlproperty vector3d Qt3D.Render::DirectionalLight::worldDirection
++ Specifies the world direction of the directional light.
++
++ \note The exact meaning and use of this property is up to the
++ material implementation.
++ */
++
++ /*!
++ \property Qt3DRender::QDirectionalLight::worldDirection
++ Specifies the world direction of the directional light.
++
++ \note The exact meaning and use of this property is up to the
++ material implementation.
++ */
++ void QDirectionalLight::setWorldDirection(const QVector3D &direction)
++ {
++ Q_D(QDirectionalLight);
++ if (worldDirection() != direction) {
++ d->m_shaderData->setProperty("direction", direction);
++ emit worldDirectionChanged(direction);
++ }
++ }
++
++ QVector3D QDirectionalLight::worldDirection() const
++ {
++ Q_D(const QDirectionalLight);
++ return d->m_shaderData->property("direction").value<QVector3D>();
++ }
++
++ } // namespace Qt3DRender
++
++ QT_END_NAMESPACE
++
++ #include "moc_qdirectionallight.cpp"