main.qml Example File | Qt 3D 5.12.11

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- Qt 3D: Multi Viewport QML Example
- main.qml Example File
- Qt 5.12.11 Reference Documentation

# main.qml Example File

multiviewport/main.qml

     /****************************************************************************
     **
     ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
     ** Contact: https://www.qt.io/licensing/
     **
     ** This file is part of the Qt3D module of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
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     **
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     ** modification, are permitted provided that the following conditions are
     ** met:
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     import QtQuick 2.0
     import Qt3D.Core 2.0
     import Qt3D.Render 2.0
     import Qt3D.Input 2.0
     import Qt3D.Extras 2.0

     Entity {
         id: rootNode
         components: [quadViewportFrameGraph, inputSettings]

         QuadViewportFrameGraph {
             id: quadViewportFrameGraph
             topLeftCamera: cameraSet.cameras[0]
             topRightCamera: cameraSet.cameras[1]
             bottomLeftCamera: cameraSet.cameras[2]
             bottomRightCamera: cameraSet.cameras[3]
         }

         // Event Source will be set by the Qt3DQuickWindow
         InputSettings { id: inputSettings }

         Entity {
             id: cameraSet
             property var cameras: [camera1, camera2, camera3, camera4]

             CameraLens {
                 id: cameraLens
                 projectionType: CameraLens.PerspectiveProjection
                 fieldOfView: 45
                 aspectRatio: 16/9
                 nearPlane: 0.01
                 farPlane: 1000.0
             }
             CameraLens {
                 id: cameraLens2
                 projectionType: CameraLens.PerspectiveProjection
                 fieldOfView: 15
                 aspectRatio: 16/9
                 nearPlane: 0.01
                 farPlane: 1000.0
             }
             CameraLens {
                 id: cameraLens3
                 projectionType: CameraLens.PerspectiveProjection
                 fieldOfView: 5
                 aspectRatio: 16/9
                 nearPlane: 0.01
                 farPlane: 1000.0
             }

             SimpleCamera {
                 id: camera1
                 lens: cameraLens2
                 position: Qt.vector3d(10.0, 1.0, 10.0)
                 viewCenter: Qt.vector3d(0.0, 1.0, 0.0)
             }

             SimpleCamera {
                 id: camera2
                 lens: cameraLens
                 position: Qt.vector3d(0.0, 0.0, 5.0)
                 viewCenter: Qt.vector3d(0.0, 0.0, 0.0)
             }

             SimpleCamera {
                 id: camera3
                 lens: cameraLens2
                 position: Qt.vector3d(30.0, 30.0, 20.0)
                 viewCenter: Qt.vector3d(0.0, 0.0, -8.0)
             }

             SimpleCamera {
                 id: camera4
                 lens: cameraLens3
                 position: Qt.vector3d(100.0, 0.0, -6.0)
                 viewCenter: Qt.vector3d(0.0, 0.0, -6.0)
             }
         }

         Entity {
             id: sceneRoot
             property real rotationAngle: 0

             SequentialAnimation {
                 running: true
                 loops: Animation.Infinite
                 NumberAnimation { target: sceneRoot; property: "rotationAngle"; to: 360; duration: 4000; }
             }

             Entity {
                 components: [
                     Transform {
                         rotation: fromAxisAndAngle(Qt.vector3d(0, 0, 1), -sceneRoot.rotationAngle)
                     },
                     SceneLoader {
                         source: "qrc:/Gear_scene.dae"
                     }
                 ]
             }
         } // sceneRoot
     } // rootNode