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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
//! [0]
import QtSensors 5.0
//! [0]
Rectangle {
id: mainPage
width: 320
height: 480
//! [1]
Accelerometer {
id: accel
dataRate: 100
//! [1]
//! [2]
active:true
//! [2]
//! [3]
onReadingChanged: {
var newx = (bubble.x + calcRoll(accel.reading.x, accel.reading.y, accel.reading.z) * .1)
var newy = (bubble.y - calcPitch(accel.reading.x, accel.reading.y, accel.reading.z) * .1)
if (newx < 0)
newx = 0
if (newx > mainPage.width - bubble.width)
newx = mainPage.width - bubble.width
if (newy < 18)
newy = 18
if (newy > mainPage.height - bubble.height)
newy = mainPage.height - bubble.height
bubble.x = newx
bubble.y = newy
}
//! [3]
}
function calcPitch(x,y,z) {
return Math.atan(y / Math.sqrt(x*x + z*z)) * 57.2957795;
}
function calcRoll(x,y,z) {
return Math.atan(x / Math.sqrt(y*y + z*z)) * 57.2957795;
}
Image {
id: bubble
source: "content/Bluebubble2.png"
property real centerX: parent.width / 2
property real centerY: parent.height / 2;
property real bubbleCenter: bubble.width / 2
x: centerX - bubbleCenter
y: centerY - bubbleCenter
smooth: true
Behavior on y {
SmoothedAnimation {
easing.type: Easing.Linear
duration: 100
}
}
Behavior on x {
SmoothedAnimation {
easing.type: Easing.Linear
duration: 100
}
}
}
}
|
