View3D to show a scene from multiple cameras.">

- Qt 6.5
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - View3D Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - View3D Example

     // Copyright (C) 2019 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     import QtQuick
     import QtQuick3D
     import QtQuick.Controls

     Window {
         id: window
         width: 1280
         height: 720
         visible: true
         title: "View3Ds with Different Cameras"
         color: "#848895"

         // The root scene
         Node {
             id: standAloneScene

             DirectionalLight {
                 ambientColor: Qt.rgba(0.5, 0.5, 0.5, 1.0)
                 brightness: 1.0
                 eulerRotation.x: -25
             }

             Model {
                 source: "#Cube"
                 y: -104
                 scale: Qt.vector3d(3, 3, 0.1)
                 eulerRotation.x: -90
                 materials: [
                     DefaultMaterial {
                         diffuseColor: Qt.rgba(0.8, 0.8, 0.8, 1.0)
                     }
                 ]
             }

             Model {
                 source: "teapot.mesh"
                 y: -100
                 scale: Qt.vector3d(50, 50, 50)
                 materials: [
                     PrincipledMaterial {
                         baseColor: "#41cd52"
                         metalness: 0.0
                         roughness: 0.1
                         opacity: 1.0
                     }
                 ]

                 PropertyAnimation on eulerRotation.y {
                     loops: Animation.Infinite
                     duration: 5000
                     to: 0
                     from: -360
                 }
             }

             // The predefined cameras. They have to be part of the scene, i.e. inside the root node.
             // Animated perspective camera
             Node {
                 PerspectiveCamera {
                     id: cameraPerspectiveOne
                     z: 600
                 }

                 PropertyAnimation on eulerRotation.x {
                     loops: Animation.Infinite
                     duration: 5000
                     to: -360
                     from: 0
                 }
             }

             // Stationary perspective camera
             PerspectiveCamera {
                 id: cameraPerspectiveTwo
                 z: 600
             }

             // Second animated perspective camera
             Node {
                 PerspectiveCamera {
                     id: cameraPerspectiveThree
                     x: 500
                     eulerRotation.y: 90
                 }
                 PropertyAnimation on eulerRotation.y {
                     loops: Animation.Infinite
                     duration: 5000
                     to: 0
                     from: -360
                 }
             }

             // Stationary orthographic camera viewing from the top
             OrthographicCamera {
                 id: cameraOrthographicTop
                 y: 600
                 eulerRotation.x: -90
             }

             // Stationary orthographic camera viewing from the front
             OrthographicCamera {
                 id: cameraOrthographicFront
                 z: 600
             }

             // Stationary orthographic camera viewing from left
             OrthographicCamera {
                 id: cameraOrthographicLeft
                 x: -600
                 eulerRotation.y: -90
             }
         }

         // The views
         Rectangle {
             id: topLeft
             anchors.top: parent.top
             anchors.left: parent.left
             width: parent.width * 0.5
             height: parent.height * 0.5
             color: "#848895"
             border.color: "black"

             View3D {
                 id: topLeftView
                 anchors.fill: parent
                 importScene: standAloneScene
                 camera: cameraOrthographicFront
             }

             Label {
                 text: "Front"
                 anchors.top: parent.top
                 anchors.left: parent.left
                 anchors.margins: 10
                 color: "#222840"
                 font.pointSize: 14
             }
         }

         Rectangle {
             id: topRight
             anchors.top: parent.top
             anchors.right: parent.right
             width: parent.width * 0.5
             height: parent.height * 0.5
             color: "transparent"
             border.color: "black"

             Label {
                 text: "Perspective"
                 anchors.top: parent.top
                 anchors.right: parent.right
                 anchors.margins: 10
                 color: "#222840"
                 font.pointSize: 14
             }

             View3D {
                 id: topRightView
                 anchors.top: parent.top
                 anchors.right: parent.right
                 anchors.left: parent.left
                 anchors.bottom: parent.bottom;
                 camera: cameraPerspectiveOne
                 importScene: standAloneScene
                 renderMode: View3D.Underlay

                 environment: SceneEnvironment {
                     clearColor: window.color
                     backgroundMode: SceneEnvironment.Color
                 }
             }

             Row {
                 id: controlsContainer
                 anchors.bottom: parent.bottom
                 anchors.horizontalCenter: parent.horizontalCenter
                 spacing: 10
                 padding: 10

                 RoundButton {
                     text: "Camera 1"
                     highlighted: topRightView.camera == cameraPerspectiveOne
                     onClicked: {
                         topRightView.camera = cameraPerspectiveOne
                     }
                 }
                 RoundButton {
                     text: "Camera 2"
                     highlighted: topRightView.camera == cameraPerspectiveTwo
                     onClicked: {
                         topRightView.camera = cameraPerspectiveTwo
                     }
                 }
                 RoundButton {
                     text: "Camera 3"
                     highlighted: topRightView.camera == cameraPerspectiveThree
                     onClicked: {
                         topRightView.camera = cameraPerspectiveThree
                     }
                 }
             }
         }

         Rectangle {
             id: bottomLeft
             anchors.bottom: parent.bottom
             anchors.left: parent.left
             width: parent.width * 0.5
             height: parent.height * 0.5
             color: "#848895"
             border.color: "black"

             View3D {
                 id: bottomLeftView
                 anchors.fill: parent
                 importScene: standAloneScene
                 camera: cameraOrthographicTop
             }

             Label {
                 text: "Top"
                 anchors.top: parent.top
                 anchors.left: parent.left
                 anchors.margins: 10
                 color: "#222840"
                 font.pointSize: 14
             }
         }

         Rectangle {
             id: bottomRight
             anchors.bottom: parent.bottom
             anchors.right: parent.right
             width: parent.width * 0.5
             height: parent.height * 0.5
             color: "#848895"
             border.color: "black"

             View3D {
                 id: bottomRightView
                 anchors.fill: parent
                 importScene: standAloneScene
                 camera: cameraOrthographicLeft
             }

             Label {
                 text: "Left"
                 anchors.top: parent.top
                 anchors.right: parent.right
                 anchors.margins: 10
                 color: "#222840"
                 font.pointSize: 14
             }
         }
     }