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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ import QtQuick3D
++ import QtQuick3D.Helpers
++ import QtQuick
++
++ Rectangle {
++ width: 400
++ height: 400
++ color: "black"
++
++ View3D {
++ anchors.fill: parent
++ camera: PerspectiveCamera {
++ id: camera
++ position: Qt.vector3d(0, 200, 300)
++ eulerRotation.x: -30
++ }
++
++ DirectionalLight {
++ id: light
++ brightness: 1.5
++ ambientColor: "#333"
++ }
++
++ RandomInstancing {
++ id: randomInst
++ randomSeed: 2021
++ instanceCount: 200
++ scale: InstanceRange {
++ from: Qt.vector3d(0.1, 0.1, 0.1)
++ to: Qt.vector3d(1, 1, 1)
++ proportional: true
++ }
++ color: InstanceRange {
++ from: "black"
++ to: "white"
++ }
++ position: InstanceRange {
++ from: Qt.vector3d(-200, -200, -100)
++ to: Qt.vector3d(200, 200, 100)
++ }
++ NumberAnimation on instanceCountOverride {
++ from: 10
++ to: 100
++ duration: 250
++ }
++
++ }
++
++ Model {
++ position: Qt.vector3d(0, 0, 0)
++ instancing: randomInst
++ source: "#Sphere"
++ materials: [
++
++ PrincipledMaterial {
++ metalness: 1.0
++ roughness: 0.7
++ baseColor: "white"
++ }
++
++ ]
++ }
++ }
++ }