/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** This file is part of the QtQuick 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" #include 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