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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 {
++ id: mainWindow
++
++ anchors.fill: parent
++
++ View3D {
++ anchors.fill: parent
++
++ environment: SceneEnvironment {
++ clearColor: "#202020"
++ backgroundMode: SceneEnvironment.Color
++ antialiasingMode: AppSettings.antialiasingMode
++ antialiasingQuality: AppSettings.antialiasingQuality
++ }
++
++ PerspectiveCamera {
++ id: camera
++ position: Qt.vector3d(0, 100, 600)
++
++ SequentialAnimation {
++ running: true
++ loops: Animation.Infinite
++ NumberAnimation {
++ target: camera
++ property: "eulerRotation.x"
++ to: -90
++ duration: 20000
++ easing.type: Easing.Linear
++ }
++ NumberAnimation {
++ target: camera
++ property: "eulerRotation.x"
++ to: 0
++ duration: 2000
++ easing.type: Easing.Linear
++ }
++ }
++
++ SequentialAnimation {
++ running: true
++ loops: Animation.Infinite
++ NumberAnimation {
++ target: camera
++ property: "position.y"
++ to: 1400
++ duration: 20000
++ easing.type: Easing.Linear
++ }
++ NumberAnimation {
++ target: camera
++ property: "position.y"
++ to: 0
++ duration: 2000
++ easing.type: Easing.Linear
++ }
++ }
++
++ SequentialAnimation {
++ running: true
++ loops: Animation.Infinite
++ NumberAnimation {
++ target: camera
++ property: "position.z"
++ to: 0
++ duration: 20000
++ easing.type: Easing.Linear
++ }
++ NumberAnimation {
++ target: camera
++ property: "position.z"
++ to: 600
++ duration: 2000
++ easing.type: Easing.Linear
++ }
++ }
++ }
++
++ PointLight {
++ position: Qt.vector3d(0, 400, 100)
++ brightness: 10
++ ambientColor: Qt.rgba(0.3, 0.3, 0.3, 1.0)
++ }
++
++ // Models shared between particles
++ Component {
++ id: particleComponent
++ Model {
++ source: "#Cone"
++ scale: Qt.vector3d(0.1, 0.1, 0.1)
++ materials: PrincipledMaterial {
++ }
++ }
++ }
++
++ ParticleSystem3D {
++ id: psystem
++
++ // Particles
++ ModelParticle3D {
++ id: particleVelocity
++ delegate: particleComponent
++ maxAmount: 250
++ color: "#ff0000"
++ alignMode: Particle3D.AlignTowardsStartVelocity
++ }
++
++ ModelParticle3D {
++ id: particleCamera
++ delegate: particleComponent
++ maxAmount: 250
++ color: "#00ff00"
++ alignMode: Particle3D.AlignTowardsTarget
++ alignTargetPosition: camera.position
++ }
++
++ ModelParticle3D {
++ id: particleNoAlign
++ delegate: particleComponent
++ maxAmount: 250
++ color: "#0000ff"
++ }
++
++ SpriteParticle3D {
++ id: particleBillboard
++ sprite: Texture {
++ source: "images/snowflake.png"
++ }
++ maxAmount: 250
++ color: "#ffffff"
++ billboard: true
++ }
++
++ SpriteParticle3D {
++ id: particleNoBillboard
++ sprite: Texture {
++ source: "images/snowflake.png"
++ }
++ maxAmount: 250
++ color: "#aaaaff"
++ }
++
++ // Emitters, one per particle
++ ParticleEmitter3D {
++ particle: particleVelocity
++ position: Qt.vector3d(400, 50, 0)
++ particleScale: 2
++ particleRotation: Qt.vector3d(90, 0, 0)
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 100, 0)
++ directionVariation: Qt.vector3d(30, 30, 30)
++ }
++ emitRate: 10
++ lifeSpan: 4000
++ Node {
++ x: 20
++ Text {
++ anchors.verticalCenter: parent.verticalCenter
++ text: "StartVelocity"
++ font.pointSize: AppSettings.fontSizeLarge
++ color: "#ffffff"
++ }
++ }
++ }
++
++ ParticleEmitter3D {
++ particle: particleCamera
++ position: Qt.vector3d(200, 50, 0)
++ particleScale: 2
++ particleRotation: Qt.vector3d(90, 0, 0)
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 100, 0)
++ directionVariation: Qt.vector3d(30, 30, 30)
++ }
++ emitRate: 10
++ lifeSpan: 4000
++ Node {
++ x: 20
++ Text {
++ anchors.verticalCenter: parent.verticalCenter
++ text: "Camera"
++ font.pointSize: AppSettings.fontSizeLarge
++ color: "#ffffff"
++ }
++ }
++ }
++
++ ParticleEmitter3D {
++ particle: particleNoAlign
++ position: Qt.vector3d(0, 50, 0)
++ particleScale: 2
++ particleRotation: Qt.vector3d(90, 0, 0)
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 100, 0)
++ directionVariation: Qt.vector3d(30, 30, 30)
++ }
++ emitRate: 10
++ lifeSpan: 4000
++ Node {
++ x: 20
++ Text {
++ anchors.verticalCenter: parent.verticalCenter
++ text: "NoAlign"
++ font.pointSize: AppSettings.fontSizeLarge
++ color: "#ffffff"
++ }
++ }
++ }
++
++ ParticleEmitter3D {
++ particle: particleBillboard
++ position: Qt.vector3d(-200, 50, 0)
++ particleScale: 8
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 100, 0)
++ directionVariation: Qt.vector3d(30, 30, 30)
++ }
++ emitRate: 10
++ lifeSpan: 4000
++ Node {
++ x: 20
++ Text {
++ anchors.verticalCenter: parent.verticalCenter
++ text: "Billboard"
++ font.pointSize: AppSettings.fontSizeLarge
++ color: "#ffffff"
++ }
++ }
++ }
++
++ ParticleEmitter3D {
++ particle: particleNoBillboard
++ position: Qt.vector3d(-400, 50, 0)
++ particleScale: 8
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 100, 0)
++ directionVariation: Qt.vector3d(30, 30, 30)
++ }
++ emitRate: 10
++ lifeSpan: 4000
++ Node {
++ x: 20
++ Text {
++ anchors.verticalCenter: parent.verticalCenter
++ text: "NoBillboard"
++ font.pointSize: AppSettings.fontSizeLarge
++ color: "#ffffff"
++ }
++ }
++ }
++ }
++ }
++
++ LoggingView {
++ anchors.bottom: parent.bottom
++ particleSystems: [psystem]
++ }
++ }