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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ import QtQuick
++ import QtQuick3D
++ import QtQuick3D.Particles3D
++
++ Item {
++ anchors.fill: parent
++
++ View3D {
++ id: view
++ anchors.fill: parent
++
++ PointLight {
++ color: "white"
++ ambientColor: "gray"
++ brightness: 2.0
++ }
++
++ Model {
++ source: "#Rectangle"
++ eulerRotation: Qt.vector3d(-90, 0, 0)
++ scale: Qt.vector3d(10, 10, 1)
++ materials: [ PrincipledMaterial {
++ baseColor: "red"
++ }
++ ]
++ }
++
++ Model {
++ source: "#Cube"
++ scale: Qt.vector3d(0.3, 0.3, 0.3)
++ materials: [PrincipledMaterial {
++ baseColor: "white"
++ }
++ ]
++ }
++
++ Component {
++ id: particleComponent
++ Model {
++ source: "#Cube"
++ scale: Qt.vector3d(0.1, 0.1, 0.1)
++ materials: PrincipledMaterial {
++ metalness: 0.5
++ roughness: 0
++ specularAmount: 1.0
++ }
++ opacity: 0.75
++ }
++ }
++
++ ParticleSystem3D {
++ id: psystem
++
++ ModelParticle3D {
++ id: modelParticle
++ delegate: particleComponent
++ maxAmount: 60
++ color: Qt.rgba(0.5, 0.5, 0.5, 0.5)
++ colorVariation: Qt.vector4d(0.5, 0.5, 0.5, 0.15)
++ sortMode: sortModeSelectionBox.index
++ }
++
++ SpriteParticle3D {
++ id: spriteParticle
++ color: Qt.rgba(0.75, 0.75, 0.75, 0.75)
++ colorVariation: Qt.vector4d(0.5, 0.5, 0.5, 0.05)
++ maxAmount: 60
++ billboard: true
++ sortMode: sortModeSelectionBox.index
++ }
++
++ // Emitters, one per particle
++ ParticleEmitter3D {
++ x: 35
++ particle: spriteParticle
++ particleScaleVariation: 0.3
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 5, 15)
++ directionVariation: Qt.vector3d(0, 0, 5)
++ }
++ emitRate: 10
++ lifeSpan: 6000
++ // Sort emitters based on camera rotation
++ depthBias: cameraController.rot - 180
++ }
++ ParticleEmitter3D {
++ x: -35
++ particle: modelParticle
++ particleScaleVariation: 0.2
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 5, 15)
++ }
++ emitRate: 10
++ lifeSpan: 6000
++ }
++ }
++
++ Node {
++ id: cameraController
++ property real rot: 0.0
++ PropertyAnimation {
++ target: cameraController
++ property: "rot"
++ from: 0.0
++ to: 360.0
++ duration: 10000
++ loops: Animation.Infinite
++ running: true
++ paused: !checkBoxRotateCamera.checked
++ }
++ eulerRotation: Qt.vector3d(0, rot, 0)
++ PerspectiveCamera {
++ y: 20
++ z: 100
++ }
++ }
++
++ environment: SceneEnvironment {
++ clearColor: "darkGray"
++ backgroundMode: SceneEnvironment.Color
++ }
++ }
++ SettingsView {
++ id: settingsView
++ CustomSelectionBox {
++ id: sortModeSelectionBox
++ text: "Mode"
++ values: ["SortNone", "SortNewest", "SortOldest", "SortDistance"]
++ parentWidth: settingsView.width
++ }
++ CustomCheckBox {
++ id: checkBoxRotateCamera
++ text: "Rotate camera"
++ checked: false
++ }
++ }
++ LoggingView {
++ anchors.bottom: parent.bottom
++ particleSystems: [psystem]
++ }
++ }