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/****************************************************************************
**
** Copyright (C) 2017 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 "lerpclipblend_p.h"
#include <Qt3DAnimation/qclipblendnodecreatedchange.h>
#include <Qt3DAnimation/private/qlerpclipblend_p.h>
#include <Qt3DCore/qpropertyupdatedchange.h>
QT_BEGIN_NAMESPACE
namespace Qt3DAnimation {
namespace Animation {
LerpClipBlend::LerpClipBlend()
: ClipBlendNode(ClipBlendNode::LerpBlendType)
, m_blendFactor(0.0f)
{
}
LerpClipBlend::~LerpClipBlend()
{
}
void LerpClipBlend::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
{
if (e->type() == Qt3DCore::PropertyUpdated) {
Qt3DCore::QPropertyUpdatedChangePtr change = qSharedPointerCast<Qt3DCore::QPropertyUpdatedChange>(e);
if (change->propertyName() == QByteArrayLiteral("blendFactor"))
m_blendFactor = change->value().toFloat();
}
}
float LerpClipBlend::blend(float value1, float value2) const
{
return ((1.0f - m_blendFactor) * value1) + (m_blendFactor * value2);
}
void LerpClipBlend::initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change)
{
ClipBlendNode::initializeFromPeer(change);
const auto creationChangeData = qSharedPointerCast<Qt3DAnimation::QClipBlendNodeCreatedChange<Qt3DAnimation::QLerpClipBlendData>>(change);
const Qt3DAnimation::QLerpClipBlendData cloneData = creationChangeData->data;
m_blendFactor = cloneData.blendFactor;
}
} // Animation
} // Qt3DAnimation
QT_END_NAMESPACE
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