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Diffstat (limited to 'src/quick/particles/qquickpointdirection.cpp')
-rw-r--r-- | src/quick/particles/qquickpointdirection.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/quick/particles/qquickpointdirection.cpp b/src/quick/particles/qquickpointdirection.cpp new file mode 100644 index 0000000000..22c33d9f15 --- /dev/null +++ b/src/quick/particles/qquickpointdirection.cpp @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation ([email protected]) +** +** This file is part of the Declarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 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 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickpointdirection_p.h" + +QT_BEGIN_NAMESPACE + +/*! + \qmlclass PointDirection QQuickPointDirection + \inqmlmodule QtQuick.Particles 2 + \inherits Direction + \brief The PointDirection element allows you to specify a direction that varies in x and y components + + The PointDirection element allows both the specification of a direction by x and y components, + as well as varying the parameters by x or y component. +*/ +/*! + \qmlproperty real QtQuick.Particles2::PointDirection::x +*/ +/*! + \qmlproperty real QtQuick.Particles2::PointDirection::y +*/ +/*! + \qmlproperty real QtQuick.Particles2::PointDirection::xVariation +*/ +/*! + \qmlproperty real QtQuick.Particles2::PointDirection::yVariation +*/ + +QQuickPointDirection::QQuickPointDirection(QObject *parent) : + QQuickDirection(parent) + , m_x(0) + , m_y(0) + , m_xVariation(0) + , m_yVariation(0) +{ +} + +const QPointF QQuickPointDirection::sample(const QPointF &) +{ + QPointF ret; + ret.setX(m_x - m_xVariation + rand() / float(RAND_MAX) * m_xVariation * 2); + ret.setY(m_y - m_yVariation + rand() / float(RAND_MAX) * m_yVariation * 2); + return ret; +} + +QT_END_NAMESPACE |