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Diffstat (limited to 'examples/statemachine/tankgame/rocketitem.cpp')
-rw-r--r-- | examples/statemachine/tankgame/rocketitem.cpp | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/examples/statemachine/tankgame/rocketitem.cpp b/examples/statemachine/tankgame/rocketitem.cpp deleted file mode 100644 index d286e5d..0000000 --- a/examples/statemachine/tankgame/rocketitem.cpp +++ /dev/null @@ -1,101 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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 either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** 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 1.0, 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. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "rocketitem.h" -#include "tankitem.h" - -#include <QPainter> -#include <QGraphicsScene> - -#include <math.h> - -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -RocketItem::RocketItem(QObject *parent) - : GameItem(parent), m_direction(0.0), m_distance(300.0) -{ -} - -QRectF RocketItem::boundingRect() const -{ - return QRectF(-1.0, -1.0, 2.0, 2.0); -} - -void RocketItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) -{ - painter->setBrush(Qt::black); - painter->drawEllipse(boundingRect()); -} - -void RocketItem::idle(qreal elapsed) -{ - qreal dist = elapsed * speed(); - - m_distance -= dist; - if (m_distance < 0.0) { - scene()->removeItem(this); - delete this; - return; - } - - qreal a = m_direction * M_PI / 180.0; - - qreal yd = dist * sin(a); - qreal xd = dist * sin(M_PI / 2.0 - a); - - QPointF requestedPosition = pos() + QPointF(xd, yd); - QGraphicsItem *collidedItem = 0; - QPointF nextPosition = tryMove(requestedPosition, 0, &collidedItem); - if (requestedPosition == nextPosition) { - setPos(nextPosition); - } else { - if (GameItem *gameItem = qgraphicsitem_cast<GameItem *>(collidedItem)) { - TankItem *tankItem = qobject_cast<TankItem *>(gameItem); - if (tankItem != 0) - tankItem->hitByRocket(); - } - - scene()->removeItem(this); - delete this; - } -} |