Warning, /education/gcompris/src/activities/land_safe/Accelerometer.qml is written in an unsupported language. File is not indexed.

 /* GCompris - Accelerometer.qml
  *
  * SPDX-FileCopyrightText: 2016 Holger Kaelberer <holger.k@elberer.de>
  *
  * Authors:
  *   Holger Kaelberer <holger.k@elberer.de>
  *
  *   SPDX-License-Identifier: GPL-3.0-or-later
  */
 import QtQuick 2.12
 import "../../core"
 
 Item {
     id: root
 
     property double max: 1
     property double min: -1
     property double current: min
     property alias currentRect: currentRect.anchors
 
     Rectangle {
         id: rect
         width: parent.width
         height: parent.height
         anchors.fill: parent
         border.width: root.width / 10
         border.color: "lightgray"
         radius: root.width / 3
 
         gradient: Gradient {
             GradientStop { position: 0.0; color: "green" }
             GradientStop { position: 1-(-root.min/(root.max-root.min)); color: "yellow" }
             GradientStop { position: 1.0; color: "red" }
         }
 
         Rectangle {
             id: baseline
             height: 2
             width: rect.width
             anchors.left: rect.left
             anchors.leftMargin: 0
             anchors.bottom: rect.bottom
             anchors.bottomMargin: -root.min/(root.max-root.min) * rect.height
             color: "steelblue"
         }
 
         Rectangle {
             id: currentRect
             width: rect.width * 1.1
             height: root.width / 10
             anchors.left: rect.left
             anchors.leftMargin: -rect.width * 0.05
             anchors.bottom: rect.bottom
             anchors.bottomMargin: Math.max(0, (-root.min + root.current)/(root.max-root.min) * rect.height - height)
             color: "white"
 
             Behavior on anchors.bottomMargin {
                 PropertyAnimation  {
                     duration: 100
                     easing.type: Easing.InOutQuad
                 }
             }
         }
     }
 }