summaryrefslogtreecommitdiffstats
path: root/src/extras/animations/qkeyframeanimation.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/extras/animations/qkeyframeanimation.cpp')
-rw-r--r--src/extras/animations/qkeyframeanimation.cpp262
1 files changed, 0 insertions, 262 deletions
diff --git a/src/extras/animations/qkeyframeanimation.cpp b/src/extras/animations/qkeyframeanimation.cpp
deleted file mode 100644
index 425cbe0df..000000000
--- a/src/extras/animations/qkeyframeanimation.cpp
+++ /dev/null
@@ -1,262 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** 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 "qkeyframeanimation.h"
-#include "Qt3DExtras/private/qkeyframeanimation_p.h"
-
-#include <cmath>
-
-QT_BEGIN_NAMESPACE
-
-namespace Qt3DExtras {
-
-QKeyframeAnimationPrivate::QKeyframeAnimationPrivate()
- : QAbstractAnimationPrivate(QAbstractAnimation::KeyframeAnimation)
- , m_minposition(0.0f)
- , m_maxposition(0.0f)
- , m_prevPosition(-1.0f)
- , m_target(nullptr)
- , m_startMode(QKeyframeAnimation::Constant)
- , m_endMode(QKeyframeAnimation::Constant)
-{
-
-}
-
-QKeyframeAnimation::QKeyframeAnimation(QObject *parent)
- : QAbstractAnimation(*new QKeyframeAnimationPrivate(), parent)
-{
- Q_D(QKeyframeAnimation);
- d->m_positionConnection = QObject::connect(this, &QAbstractAnimation::positionChanged,
- this, &QKeyframeAnimation::updateAnimation);
-}
-
-
-void QKeyframeAnimation::setFramePositions(const QVector<float> &positions)
-{
- Q_D(QKeyframeAnimation);
- d->m_framePositions = positions;
- d->m_prevPosition = -1.0f;
- if (d->m_framePositions.size() == 0) {
- d->m_minposition = d->m_maxposition = 0.0f;
- return;
- }
- d->m_minposition = d->m_framePositions.first();
- d->m_maxposition = d->m_framePositions.last();
- float lastPos = d->m_minposition;
- for (float p : d->m_framePositions) {
- if (p < lastPos || p > d->m_maxposition)
- qWarning() << "positions not ordered correctly";
- lastPos = p;
- }
- setDuration(d->m_maxposition);
-}
-
-void QKeyframeAnimation::setKeyframes(const QVector<Qt3DCore::QTransform *> &keyframes)
-{
- Q_D(QKeyframeAnimation);
- d->m_keyframes = keyframes;
-}
-
-// slerp which allows long path
-QQuaternion lslerp(QQuaternion q1, QQuaternion q2, float t)
-{
- QQuaternion ret;
- // Handle the easy cases first.
- if (t <= 0.0f)
- return q1;
- else if (t >= 1.0f)
- return q2;
-
- float cos = qBound(-1.0f, QQuaternion::dotProduct(q1, q2), 1.0f);
- float angle = std::acos(cos);
- float sin = std::sin(angle);
- if (!qFuzzyIsNull(sin)) {
- float a = std::sin((1.0 - t) * angle) / sin;
- float b = std::sin(t * angle) / sin;
- ret = (q1 * a + q2 * b).normalized();
- } else {
- ret = q1 * (1.0f-t) + q2 * t;
- }
- return ret;
-}
-
-void QKeyframeAnimationPrivate::calculateFrame(float position)
-{
- if (m_target && m_framePositions.size() > 0
- && m_keyframes.size() == m_framePositions.size()
- && m_prevPosition != m_position) {
- if (m_position >= m_minposition && m_position < m_maxposition) {
- for (int i = 0; i < m_framePositions.size() - 1; i++) {
- if (position >= m_framePositions.at(i)
- && position < m_framePositions.at(i+1)) {
- float ip = (position - m_framePositions.at(i))
- / (m_framePositions.at(i+1) - m_framePositions.at(i));
- float eIp = m_easing.valueForProgress(ip);
- float eIip = 1.0f - eIp;
-
- Qt3DCore::QTransform *a = m_keyframes.at(i);
- Qt3DCore::QTransform *b = m_keyframes.at(i+1);
-
- QVector3D s = a->scale3D() * eIip + b->scale3D() * eIp;
- QVector3D t = a->translation() * eIip + b->translation() * eIp;
- QQuaternion r = QQuaternion::slerp(a->rotation(), b->rotation(), eIp);
-
- m_target->setRotation(r);
- m_target->setScale3D(s);
- m_target->setTranslation(t);
- return;
- }
- }
- } else if (position < m_minposition) {
- m_target->setRotation(m_keyframes.first()->rotation());
- m_target->setScale3D(m_keyframes.first()->scale3D());
- m_target->setTranslation(m_keyframes.first()->translation());
- } else {
- m_target->setRotation(m_keyframes.last()->rotation());
- m_target->setScale3D(m_keyframes.last()->scale3D());
- m_target->setTranslation(m_keyframes.last()->translation());
- }
- m_prevPosition = m_position;
- }
-}
-
-void QKeyframeAnimation::updateAnimation(float position)
-{
- Q_D(QKeyframeAnimation);
- d->calculateFrame(position);
-}
-
-QVector<float> QKeyframeAnimation::framePositions() const
-{
- Q_D(const QKeyframeAnimation);
- return d->m_framePositions;
-}
-
-QVector<Qt3DCore::QTransform *> QKeyframeAnimation::keyframeList() const
-{
- Q_D(const QKeyframeAnimation);
- return d->m_keyframes;
-}
-
-void QKeyframeAnimation::setTarget(Qt3DCore::QTransform *target)
-{
- Q_D(QKeyframeAnimation);
- if (d->m_target != target) {
- d->m_target = target;
- emit targetChanged(d->m_target);
- d->m_prevPosition = -1.0f;
-
- if (target) {
- d->m_baseScale = target->scale3D();
- d->m_baseTranslation = target->translation();
- d->m_baseRotation = target->rotation();
- }
- }
-}
-
-QKeyframeAnimation::RepeatMode QKeyframeAnimation::startMode() const
-{
- Q_D(const QKeyframeAnimation);
- return d->m_startMode;
-}
-
-QKeyframeAnimation::RepeatMode QKeyframeAnimation::endMode() const
-{
- Q_D(const QKeyframeAnimation);
- return d->m_endMode;
-}
-
-void QKeyframeAnimation::setEasing(QEasingCurve::Type easing)
-{
- Q_D(QKeyframeAnimation);
- if (d->m_easing.type() != easing) {
- d->m_easing.setType(easing);
- emit easingChanged(easing);
- }
-}
-
-void QKeyframeAnimation::setTargetName(const QString &name)
-{
- Q_D(QKeyframeAnimation);
- d->m_targetName = name;
- emit targetNameChanged(name);
-}
-
-void QKeyframeAnimation::setStartMode(QKeyframeAnimation::RepeatMode mode)
-{
- Q_D(QKeyframeAnimation);
- if (d->m_startMode != mode) {
- d->m_startMode = mode;
- emit startModeChanged(mode);
- }
-}
-
-void QKeyframeAnimation::setEndMode(QKeyframeAnimation::RepeatMode mode)
-{
- Q_D(QKeyframeAnimation);
- if (mode != d->m_endMode) {
- d->m_endMode = mode;
- emit endModeChanged(mode);
- }
-}
-
-void QKeyframeAnimation::addKeyframe(Qt3DCore::QTransform *keyframe)
-{
- Q_D(QKeyframeAnimation);
- d->m_keyframes.push_back(keyframe);
-}
-
-QString QKeyframeAnimation::targetName() const
-{
- Q_D(const QKeyframeAnimation);
- return d->m_targetName;
-}
-
-QEasingCurve::Type QKeyframeAnimation::easing() const
-{
- Q_D(const QKeyframeAnimation);
- return d->m_easing.type();
-}
-
-Qt3DCore::QTransform *QKeyframeAnimation::target() const
-{
- Q_D(const QKeyframeAnimation);
- return d->m_target;
-}
-
-} // Qt3DExtras
-
-QT_END_NAMESPACE
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 19:43:29 +0000