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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"