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/****************************************************************************
**
** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "examplescene.h"
#include "boxentity.h"
#include <QTimer>
#include <qmath.h>
ExampleScene::ExampleScene(Qt3DCore::QNode *parent)
: Qt3DCore::QEntity(parent)
, m_timer(new QTimer(this))
, m_even(true)
{
QObject::connect(m_timer, SIGNAL(timeout()), SLOT(updateScene()));
m_timer->setInterval(1200);
m_timer->start();
}
ExampleScene::~ExampleScene()
{
qDeleteAll(m_entities);
}
void ExampleScene::updateScene()
{
if (m_entities.isEmpty()) {
buildScene();
} else {
int i = 0;
Q_FOREACH (BoxEntity *entity, m_entities) {
if (i % 2 == 0)
entity->setParent(m_even ? Q_NULLPTR : this);
else
entity->setParent(m_even ? this : Q_NULLPTR);
++i;
}
m_even = !m_even;
}
}
void ExampleScene::buildScene()
{
int count = 20;
const float radius = 5.0f;
for (int i = 0; i < count; ++i) {
BoxEntity *entity = new BoxEntity;
const float angle = M_PI * 2.0f * float(i) / count;
entity->setAngle(angle);
entity->setRadius(radius);
entity->setDiffuseColor(QColor(qFabs(qCos(angle)) * 255, 204, 75));
m_entities.append(entity);
}
}
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