Qt Quick 3D - Virtual Assistant Example | Qt Quick 3D 6.7.2
Description: Qt Quick application that presents a 3D model of a virtual assistant with dynamic animations created using QML and timelines.

- Qt 6.7
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Virtual Assistant Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - Virtual Assistant Example

     // Copyright (C) 2023 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     import QtQuick
     import QtQuick3D

     import QtQuick.Timeline

     Node {
         id: node

         property alias heartTimeline: heartTimeline
         property alias heartAnimation: heartAnimation

         scale.x: 0.4
         scale.y: 0.4
         scale.z: 0.4

         // Resources
         Skin {
             id: skin
             joints: base
             inverseBindPoses: Qt.matrix4x4(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1)
         }

         // Nodes:
         Node {
             id: heart_Arm
             Model {
                 id: plane
                 source: "meshes/plane.mesh"
                 skin: skin
                 materials: heartMaterial_material
             }
             Node {
                 id: base
             }
         }

         // Animations:
         Timeline {
             id: heartTimeline
             startFrame: 0
             endFrame: 1334
             currentFrame: 0
             enabled: false
             animations: TimelineAnimation {
                 id: heartAnimation
                 duration: 1334
                 from: 0
                 to: 1334
                 running: heartTimeline.enabled
                 loops: Animation.Infinite
                 alwaysRunToEnd: true
             }
             KeyframeGroup {
                 target: base
                 property: "scale"
                 Keyframe {
                     frame: 0
                     value: Qt.vector3d(0.897612, 0.897612, 0.897612)
                 }
                 Keyframe {
                     frame: 33.3333
                     value: Qt.vector3d(0.898435, 0.898435, 0.898435)
                 }
                 Keyframe {
                     frame: 66.6667
                     value: Qt.vector3d(0.900828, 0.900828, 0.900828)
                 }
                 Keyframe {
                     frame: 100
                     value: Qt.vector3d(0.904679, 0.904679, 0.904679)
                 }
                 Keyframe {
                     frame: 133.333
                     value: Qt.vector3d(0.909876, 0.909876, 0.909876)
                 }
                 Keyframe {
                     frame: 166.667
                     value: Qt.vector3d(0.916307, 0.916307, 0.916307)
                 }
                 Keyframe {
                     frame: 200
                     value: Qt.vector3d(0.92386, 0.92386, 0.92386)
                 }
                 Keyframe {
                     frame: 233.333
                     value: Qt.vector3d(0.932423, 0.932423, 0.932423)
                 }
                 Keyframe {
                     frame: 266.667
                     value: Qt.vector3d(0.941883, 0.941883, 0.941883)
                 }
                 Keyframe {
                     frame: 300
                     value: Qt.vector3d(0.952128, 0.952128, 0.952128)
                 }
                 Keyframe {
                     frame: 333.333
                     value: Qt.vector3d(0.963046, 0.963046, 0.963046)
                 }
                 Keyframe {
                     frame: 366.667
                     value: Qt.vector3d(0.974525, 0.974525, 0.974525)
                 }
                 Keyframe {
                     frame: 400
                     value: Qt.vector3d(0.986453, 0.986453, 0.986453)
                 }
                 Keyframe {
                     frame: 433.333
                     value: Qt.vector3d(0.998717, 0.998717, 0.998717)
                 }
                 Keyframe {
                     frame: 466.667
                     value: Qt.vector3d(1.01121, 1.01121, 1.01121)
                 }
                 Keyframe {
                     frame: 500
                     value: Qt.vector3d(1.02381, 1.02381, 1.02381)
                 }
                 Keyframe {
                     frame: 533.333
                     value: Qt.vector3d(1.03641, 1.03641, 1.03641)
                 }
                 Keyframe {
                     frame: 566.667
                     value: Qt.vector3d(1.0489, 1.0489, 1.0489)
                 }
                 Keyframe {
                     frame: 600
                     value: Qt.vector3d(1.06116, 1.06116, 1.06116)
                 }
                 Keyframe {
                     frame: 633.333
                     value: Qt.vector3d(1.07309, 1.07309, 1.07309)
                 }
                 Keyframe {
                     frame: 666.667
                     value: Qt.vector3d(1.08457, 1.08457, 1.08457)
                 }
                 Keyframe {
                     frame: 700
                     value: Qt.vector3d(1.09548, 1.09548, 1.09548)
                 }
                 Keyframe {
                     frame: 733.333
                     value: Qt.vector3d(1.10573, 1.10573, 1.10573)
                 }
                 Keyframe {
                     frame: 766.667
                     value: Qt.vector3d(1.11519, 1.11519, 1.11519)
                 }
                 Keyframe {
                     frame: 800
                     value: Qt.vector3d(1.12375, 1.12375, 1.12375)
                 }
                 Keyframe {
                     frame: 833.333
                     value: Qt.vector3d(1.1313, 1.1313, 1.1313)
                 }
                 Keyframe {
                     frame: 866.667
                     value: Qt.vector3d(1.13774, 1.13774, 1.13774)
                 }
                 Keyframe {
                     frame: 900
                     value: Qt.vector3d(1.14293, 1.14293, 1.14293)
                 }
                 Keyframe {
                     frame: 933.333
                     value: Qt.vector3d(1.14678, 1.14678, 1.14678)
                 }
                 Keyframe {
                     frame: 966.667
                     value: Qt.vector3d(1.14918, 1.14918, 1.14918)
                 }
                 Keyframe {
                     frame: 1000
                     value: Qt.vector3d(1.15, 1.15, 1.15)
                 }
                 Keyframe {
                     frame: 1033.33
                     value: Qt.vector3d(1.14293, 1.14293, 1.14293)
                 }
                 Keyframe {
                     frame: 1066.67
                     value: Qt.vector3d(1.12375, 1.12375, 1.12375)
                 }
                 Keyframe {
                     frame: 1100
                     value: Qt.vector3d(1.09548, 1.09548, 1.09548)
                 }
                 Keyframe {
                     frame: 1133.33
                     value: Qt.vector3d(1.06116, 1.06116, 1.06116)
                 }
                 Keyframe {
                     frame: 1166.67
                     value: Qt.vector3d(1.02381, 1.02381, 1.02381)
                 }
                 Keyframe {
                     frame: 1200
                     value: Qt.vector3d(0.986453, 0.986453, 0.986453)
                 }
                 Keyframe {
                     frame: 1233.33
                     value: Qt.vector3d(0.952128, 0.952128, 0.952128)
                 }
                 Keyframe {
                     frame: 1266.67
                     value: Qt.vector3d(0.92386, 0.92386, 0.92386)
                 }
                 Keyframe {
                     frame: 1300
                     value: Qt.vector3d(0.904679, 0.904679, 0.904679)
                 }
                 Keyframe {
                     frame: 1333.33
                     value: Qt.vector3d(0.897612, 0.897612, 0.897612)
                 }
             }
         }

         Node {
             id: __materialLibrary__

             PrincipledMaterial {
                 id: heartMaterial_material
                 objectName: "heartMaterial_material"
                 baseColor: "#ff197c1a"
                 roughness: 0.09734514355659485
                 cullMode: PrincipledMaterial.NoCulling
                 alphaMode: PrincipledMaterial.Opaque
             }
         }
     }