diff options
Diffstat (limited to 'src/imports/particles/gravityaffector.cpp')
-rw-r--r-- | src/imports/particles/gravityaffector.cpp | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/src/imports/particles/gravityaffector.cpp b/src/imports/particles/gravityaffector.cpp deleted file mode 100644 index 02edbacd68..0000000000 --- a/src/imports/particles/gravityaffector.cpp +++ /dev/null @@ -1,77 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Declarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "gravityaffector.h" -#include <cmath> -QT_BEGIN_NAMESPACE -const qreal CONV = 0.017453292520444443; -GravityAffector::GravityAffector(QSGItem *parent) : - ParticleAffector(parent), m_acceleration(-10), m_angle(90), m_xAcc(0), m_yAcc(0) -{ - connect(this, SIGNAL(accelerationChanged(qreal)), - this, SLOT(recalc())); - connect(this, SIGNAL(angleChanged(qreal)), - this, SLOT(recalc())); - recalc(); -} - -void GravityAffector::recalc() -{ - qreal theta = m_angle * CONV; - m_xAcc = m_acceleration * cos(theta); - m_yAcc = m_acceleration * sin(theta); -} - -bool GravityAffector::affectParticle(ParticleData *d, qreal dt) -{ - Q_UNUSED(dt); - bool changed = false; - if(d->pv.ax != m_xAcc){ - d->setInstantaneousAX(m_xAcc); - changed = true; - } - if(d->pv.ay != m_yAcc){ - d->setInstantaneousAY(m_yAcc); - changed = true; - } - return changed; -} -QT_END_NAMESPACE |