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import QtQuick 2.0
import QtSensors 5.0
Item {
Rectangle {
id: field
color: "lightblue"
border.width: 1
border.color: "darkblue"
width: parent.width
height: parent.height
Accelerometer {
id: accel
active:true
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 (newY < 0)
newY = 0
var right = field.width - bubble.width
var bottom = field.height - bubble.height
if (newX > right)
newX = right
if (newY > bottom)
newY = bottom
bubble.x = newX
bubble.y = newY
}
}
Image {
id: bubble
source: "bluebubble.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
}
}
}
}
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;
}
}
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