Optimal 3D Scene

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 import QtQuick 2.12
 import QtQuick3D 1.15
 import Optimal3DScene 1.0
 import Quick3DAssets.High 1.0
 import Quick3DAssets.Low 1.0
 import Quick3DAssets.Merged 1.0
 import QtQuick 2.15
 import Quick3DAssets.VertexColor 1.0

 Rectangle {
     width: Constants.width
     height: Constants.height

     color: Constants.backgroundColor
     property alias high: high

     View3D {
         id: view3D
         x: 0
         y: 0
         width: 1280
         height: 720
         SceneEnvironment {
             id: sceneEnvironment
             antialiasingQuality: SceneEnvironment.High
             antialiasingMode: SceneEnvironment.MSAA
         }

         Node {
             id: scenelow

             PerspectiveCamera {
                 id: camera
                 x: 0
                 y: 501.999
                 z: 953.07697
             }

             Low {
                 id: low
                 eulerRotation.z: 0.00001
                 eulerRotation.y: -135
                 eulerRotation.x: 0.00002
             }

             PointLight {
                 id: lightPoint
                 x: 0
                 y: 888.433
                 castsShadow: true
                 brightness: 400
                 quadraticFade: 0.01318
                 z: -0.00007
             }
         }

         Node {
             id: scenehigh
             PerspectiveCamera {
                 id: camera1
                 x: 0
                 y: 501.999
                 z: 953.07697
             }

             PointLight {
                 id: lightPoint1
                 x: 0
                 y: 888.433
                 brightness: 400
                 castsShadow: true
                 z: -0.00007
                 quadraticFade: 0.01318
             }

             High {
                 id: high
                 eulerRotation.y: -135
             }
         }

         Node {
             id: scenecombined
             PerspectiveCamera {
                 id: camera2
                 x: 0
                 y: 501.999
                 z: 953.07697
             }

             PointLight {
                 id: lightPoint2
                 x: 0
                 y: 888.433
                 brightness: 350
                 castsShadow: true
                 z: -0.00007
                 quadraticFade: 0.01318
             }

             Merged {
                 id: merged
                 eulerRotation.y: -135
             }
         }

         Node {
             id: scenevertexcolor
             PerspectiveCamera {
                 id: camera3
                 x: 0
                 y: 501.999
                 z: 953.07697
             }

             PointLight {
                 id: lightPoint3
                 x: 0
                 y: 888.433
                 brightness: 350
                 castsShadow: true
                 z: -0.00007
                 quadraticFade: 0.01318
             }

             VertexColor {
                 id: vertexColor
                 eulerRotation.y: -135
             }
         }
         environment: sceneEnvironment
     }
 }

 /*##^##
 Designer {
     D{i:0;active3dScene:10;formeditorZoom:0.6600000262260437}D{i:3;invisible:true}D{i:7;invisible:true}
 D{i:11;invisible:true}
 }
 ##^##*/