1 /**************************************************************************
2 Ghosts Overboard - a game 'Meego 1.2 Harmattan'
4 Copyright (C) 2011 Heli Hyvättinen
6 This file is part of Ghosts Overboard
8 Ghosts Overboard is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 **************************************************************************/
24 #include "orientationcontrolledgraphicspixmapobject.h"
26 #include <QGraphicsScene>
27 #include <QPropertyAnimation>
29 //OrientationControlledGraphicsPixmapObject::OrientationControlledGraphicsPixmapObject (QGraphicsItem *parent) :
30 // QObject(), QGraphicsPixmapItem (parent)
35 OrientationControlledGraphicsPixmapObject::OrientationControlledGraphicsPixmapObject(QPixmap pixmap, QGraphicsItem *parent) :
36 QObject(), QGraphicsPixmapItem (pixmap, parent)
39 rotationReadingInitialized_ = false;
40 rotationReadingTimer_.setInterval(100);
41 connect(&rotationSensor_,SIGNAL(readingChanged()),this,SLOT(rotationSensorReady()));
47 void OrientationControlledGraphicsPixmapObject::startMoving()
49 rotationSensor_.start();
50 // qDebug() << "started the sensor";
51 // qDebug() << rotationSensor_.isActive();
55 void OrientationControlledGraphicsPixmapObject::stopMoving()
57 rotationSensor_.stop();
58 rotationReadingInitialized_ = false;
59 rotationReadingTimer_.stop();
60 // qDebug () << "trying to stop the sensor";
63 void OrientationControlledGraphicsPixmapObject::readRotationSensor()
65 if (!scene()) //no movement if this item does not belong to a scene
69 //Test reading sensor information. Since qDebug has ceased to work, uses qCritical instead...
70 // qrangelist rangelist = rotationSensor_.availableDataRates();
72 // qCritical() << rangelist.length() << "ranges found";
73 // foreach (qrange range, rangelist)
75 // qCritical() << "Rotation sensor: " << range.first <<", " << "range.second";
77 // qCritical() << "Current data date is " << rotationSensor_.dataRate();
79 QRect sceneRectangle = scene()->sceneRect().toRect();
82 QRotationReading* pSensorData = rotationSensor_.reading();
84 // int deltay = pSensorData->x(); //yes, in Maemo 5 you need the "x" value from the sensor for "y" direction in the scene...
85 // int deltax = pSensorData->y(); //...and vice versa
87 int deltay = -pSensorData->y(); //But in Harmattan, you need the "y" value from the sensor for "y" direction in the scene...
88 int deltax = pSensorData->x(); //...and x for x (when in landscape)
89 //and you need to reverse the y value
91 // qDebug() << deltax << " " << deltay;
96 //this is how it works on maemo
97 // int newx = x() + deltax/15;
98 // int newy = y() + deltay/15;
100 //this is for Harmattan
101 int newx = x() + deltax/3;
102 int newy = y() + deltay/3;
105 // qDebug() << sceneRectangle.left() << sceneRectangle.right();
109 int finalX = qBound(sceneRectangle.left(),newx,sceneRectangle.right()-pixmap().width());
110 int finalY = qBound(sceneRectangle.top(),newy,sceneRectangle.bottom()-pixmap().height());
114 QPropertyAnimation * animation = new QPropertyAnimation(this,"pos",this);
115 animation->setDuration(60); //milliseconds
116 animation->setStartValue(pos());
117 animation->setEndValue( QPointF(finalX,finalY));
118 animation->start(QAbstractAnimation::DeleteWhenStopped);
120 //handle collisions and move back to the original position if false returned
122 // if (handleCollisions() == false)
131 bool OrientationControlledGraphicsPixmapObject::handleCollisions()
137 void OrientationControlledGraphicsPixmapObject::setPos(const QPointF &pos)
139 QPointF oldPos = OrientationControlledGraphicsPixmapObject::pos();
141 QGraphicsPixmapItem::setPos(pos);
143 if (!handleCollisions())
145 QGraphicsPixmapItem::setPos(oldPos);
151 void OrientationControlledGraphicsPixmapObject::rotationSensorReady()
154 if (!rotationReadingInitialized_)
156 connect(&rotationReadingTimer_,SIGNAL(timeout()),this,SLOT(readRotationSensor()));
157 rotationReadingInitialized_ = true;
158 rotationReadingTimer_.start();