- Qt 6.4
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Robot Arm Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - Robot Arm Example

     // Copyright (C) 2022 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     import QtQuick
     import QtQuick.Controls
     import QtQuick.Controls.Material
     import QtQuick3D
     import RobotArm

     Item {
         id: root
         property real size: 100
         property bool isFocused: true
         property View3D view3D: parent
         property vector3d scenePosition
         property vector3d screenPosition
         property alias label: label.text

         x: screenPosition.x
         y: screenPosition.y

         visible: x > 0 && y > 0

         Label {
             id: label
             enabled: root.isFocused
             anchors.bottom: rect.top
             anchors.horizontalCenter: rect.horizontalCenter
         }

         Rectangle {
             id: rect
             width: root.size
             height: root.size
             color: "Transparent"
             radius: width / 2
             border.width: 2
             border.color: root.isFocused ? Material.accentColor : Material.secondaryTextColor

             anchors.horizontalCenter: parent.left
             anchors.verticalCenter: parent.top
         }

         Component.onCompleted:  {
             screenPosition =  Qt.binding(function() {
                 let w = view3D.width // force the binding to update when width or height changes
                 let h = view3D.height

                 return view3D.mapFrom3DScene(scenePosition)
             } )
         }
     }

     /*##^##
     Designer {
         D{i:0;autoSize:true;height:480;width:640}
     }
     ##^##*/