1// Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "additiveclipblend_p.h"
5#include <Qt3DAnimation/qadditiveclipblend.h>
6#include <Qt3DAnimation/private/qadditiveclipblend_p.h>
7
8QT_BEGIN_NAMESPACE
9
10namespace Qt3DAnimation {
11
12namespace Animation {
13
14AdditiveClipBlend::AdditiveClipBlend()
15 : ClipBlendNode(ClipBlendNode::AdditiveBlendType)
16 , m_baseClipId()
17 , m_additiveClipId()
18 , m_additiveFactor(0.0f)
19{
20}
21
22AdditiveClipBlend::~AdditiveClipBlend()
23{
24}
25
26void AdditiveClipBlend::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
27{
28 BackendNode::syncFromFrontEnd(frontEnd, firstTime);
29 const QAdditiveClipBlend *node = qobject_cast<const QAdditiveClipBlend *>(object: frontEnd);
30 if (!node)
31 return;
32
33 m_additiveFactor = node->additiveFactor();
34 m_baseClipId = Qt3DCore::qIdForNode(node: node->baseClip());
35 m_additiveClipId = Qt3DCore::qIdForNode(node: node->additiveClip());
36}
37
38ClipResults AdditiveClipBlend::doBlend(const QList<ClipResults> &blendData) const
39{
40 Q_ASSERT(blendData.size() == 2);
41 Q_ASSERT(blendData[0].size() == blendData[1].size());
42 const qsizetype elementCount = blendData.first().size();
43 ClipResults blendResults(elementCount);
44
45 for (qsizetype i = 0; i < elementCount; ++i)
46 blendResults[i] = blendData[0][i] + m_additiveFactor * blendData[1][i];
47
48 return blendResults;
49}
50
51} // Animation
52
53} // Qt3DAnimation
54
55QT_END_NAMESPACE
56

source code of qt3d/src/animation/backend/additiveclipblend.cpp