Qt Quick 3D - Instanced Rendering Example

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 import QtQuick
 import QtQuick3D
 import QtQuick3D.Helpers

 Window {
     id: window
     width: 1280
     height: 720
     visible: true

     View3D {
         id: view
         anchors.fill: parent

         environment: SceneEnvironment {
             clearColor: "black"
             backgroundMode: SceneEnvironment.Color
         }

         PerspectiveCamera {
             position: Qt.vector3d(0, 0, 300)
             clipNear: 1.0
             NumberAnimation on z {
                 from: 300
                 to: 0
                 duration: 10 * 1000
             }
         }

         DirectionalLight {
             eulerRotation.x: -30
             eulerRotation.y: -70
             ambientColor: Qt.rgba(0.5, 0.5, 0.5, 1.0)
         }

         RandomInstancing {
             id: randomInstancing
             instanceCount: 1500

             position: InstanceRange {
                 from: Qt.vector3d(-300, -200, -500)
                 to: Qt.vector3d(300, 200, 200)
             }
             scale: InstanceRange {
                 from: Qt.vector3d(1, 1, 1)
                 to: Qt.vector3d(10, 10, 10)
                 proportional: true
             }
             rotation: InstanceRange {
                 from: Qt.vector3d(0, 0, 0)
                 to: Qt.vector3d(360, 360, 360)
             }
             color: InstanceRange {
                 from: "grey"
                 to: "white"
                 proportional: true
             }

             randomSeed: 2021
         }

         InstanceListEntry {
             id: redShip
             position: Qt.vector3d(50, 10, 100)
             eulerRotation: Qt.vector3d(0, 180, 0)
             color: "red"
             NumberAnimation on position.x {
                 from: 50
                 to: -70
                 duration: 8000
             }
         }

         InstanceListEntry {
             id: greenShip
             position: Qt.vector3d(0, 0, -60)
             eulerRotation: Qt.vector3d(-10, 0, 30)
             color: "green"
         }

         InstanceListEntry {
             id: blueShip
             position: Qt.vector3d(-100, -100, 0)
             color: "blue"
         }

         InstanceList {
             id: manualInstancing
             instances: [ redShip, greenShip, blueShip ]
         }

         Asteroid {
             instancing: randomInstancing
             NumberAnimation on eulerRotation.x {
                 from: 0
                 to: 360
                 duration: 11000
                 loops: Animation.Infinite
             }
         }

         SimpleSpaceship {
             instancing: manualInstancing
         }
     }
 }