134 lines
4.4 KiB
QML
134 lines
4.4 KiB
QML
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/****************************************************************************
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**
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** Copyright (C) 2017 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtSensors module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.1
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import QtQuick.Controls 1.0
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//! [0]
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import QtSensors 5.0
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//! [0]
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ApplicationWindow {
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title: "Accelerate Bubble"
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id: mainWindow
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width: 320
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height: 480
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visible: true
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readonly property double radians_to_degrees: 180 / Math.PI
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//! [1]
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Accelerometer {
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id: accel
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dataRate: 100
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//! [1]
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//! [2]
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active:true
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//! [2]
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//! [3]
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onReadingChanged: {
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var newX = (bubble.x + calcRoll(accel.reading.x, accel.reading.y, accel.reading.z) * .1)
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var newY = (bubble.y - calcPitch(accel.reading.x, accel.reading.y, accel.reading.z) * .1)
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if (isNaN(newX) || isNaN(newY))
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return;
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if (newX < 0)
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newX = 0
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if (newX > mainWindow.width - bubble.width)
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newX = mainWindow.width - bubble.width
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if (newY < 18)
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newY = 18
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if (newY > mainWindow.height - bubble.height)
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newY = mainWindow.height - bubble.height
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bubble.x = newX
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bubble.y = newY
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}
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//! [3]
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}
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function calcPitch(x,y,z) {
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return -Math.atan2(y, Math.sqrt(x * x + z * z)) * mainWindow.radians_to_degrees;
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}
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function calcRoll(x,y,z) {
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return -Math.atan2(x, Math.sqrt(y * y + z * z)) * mainWindow.radians_to_degrees;
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}
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Image {
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id: bubble
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source: "content/Bluebubble.svg"
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smooth: true
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property real centerX: mainWindow.width / 2
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property real centerY: mainWindow.height / 2
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property real bubbleCenter: bubble.width / 2
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x: centerX - bubbleCenter
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y: centerY - bubbleCenter
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Behavior on y {
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SmoothedAnimation {
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easing.type: Easing.Linear
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duration: 100
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}
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}
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Behavior on x {
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SmoothedAnimation {
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easing.type: Easing.Linear
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duration: 100
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}
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}
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}
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}
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