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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Controls
//! [0]
import QtSensors
//! [0]
ApplicationWindow {
title: "Accelerate Bubble"
id: mainWindow
width: 320
height: 480
visible: true
readonly property double radians_to_degrees: 180 / Math.PI
//! [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 (isNaN(newX) || isNaN(newY))
return;
if (newX < 0)
newX = 0
if (newX > mainWindow.width - bubble.width)
newX = mainWindow.width - bubble.width
if (newY < 18)
newY = 18
if (newY > mainWindow.height - bubble.height)
newY = mainWindow.height - bubble.height
bubble.x = newX
bubble.y = newY
}
//! [3]
}
function calcPitch(x,y,z) {
return -Math.atan2(y, Math.hypot(x, z)) * mainWindow.radians_to_degrees;
}
function calcRoll(x,y,z) {
return -Math.atan2(x, Math.hypot(y, z)) * mainWindow.radians_to_degrees;
}
Image {
id: bubble
source: "content/Bluebubble.svg"
smooth: true
property real centerX: mainWindow.width / 2
property real centerY: mainWindow.height / 2
property real bubbleCenter: bubble.width / 2
x: centerX - bubbleCenter
y: centerY - bubbleCenter
Behavior on y {
SmoothedAnimation {
easing.type: Easing.Linear
duration: 100
}
}
Behavior on x {
SmoothedAnimation {
easing.type: Easing.Linear
duration: 100
}
}
}
}
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