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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
++
++ readonly property real fireStrength: sliderFireStrength.sliderValue
++ readonly property real smokeStrength: sliderSmokeStrength.sliderValue
++ readonly property real sparklesStrength: sliderSparklesStrength.sliderValue
++
++ anchors.fill: parent
++
++ View3D {
++ anchors.fill: parent
++
++ environment: SceneEnvironment {
++ clearColor: "#000000"
++ backgroundMode: SceneEnvironment.Color
++ antialiasingMode: AppSettings.antialiasingMode
++ antialiasingQuality: AppSettings.antialiasingQuality
++ }
++
++ PerspectiveCamera {
++ id: camera
++ position: Qt.vector3d(0, 100, 300)
++ }
++
++ // Light following the fire
++ PointLight {
++ id: pointLight
++ property real animatedBrightness: 0.1
++ position: fireEmitter.position
++ brightness: 0.04 * mainWindow.smokeStrength + 0.4 * mainWindow.fireStrength + animatedBrightness * mainWindow.sparklesStrength;
++ // Add some liveness to the light
++ SequentialAnimation{
++ loops: Animation.Infinite
++ running: true
++ NumberAnimation {
++ target: pointLight
++ property: "animatedBrightness"
++ to: 0.12
++ duration: 1000
++ easing.type: Easing.OutElastic
++ }
++ NumberAnimation {
++ target: pointLight
++ property: "animatedBrightness"
++ to: 0.05
++ duration: 1500
++ easing.type: Easing.InOutQuad
++ }
++ NumberAnimation {
++ target: pointLight
++ property: "animatedBrightness"
++ to: 0.1
++ duration: 2500
++ easing.type: Easing.InElastic
++ }
++ }
++ }
++
++ // Background walls & floor
++ Node {
++ id: background
++ visible: checkBoxBackground.checked
++ Model {
++ source: "#Rectangle"
++ position: Qt.vector3d(200, 0, -300)
++ scale: Qt.vector3d(10.0, 10.0, 0.0)
++ materials: PrincipledMaterial {
++ baseColor: "#204020"
++ }
++ }
++ Model {
++ source: "#Rectangle"
++ position: Qt.vector3d(200, -100, -300)
++ eulerRotation.x: -90
++ scale: Qt.vector3d(10.0, 10.0, 0.0)
++ materials: PrincipledMaterial {
++ baseColor: "#204020"
++ }
++ }
++ Model {
++ source: "#Rectangle"
++ position: Qt.vector3d(-300, 0, -200)
++ eulerRotation.y: 90
++ scale: Qt.vector3d(10.0, 10.0, 0.0)
++ materials: PrincipledMaterial {
++ baseColor: "#204020"
++ }
++ }
++ }
++
++ ParticleSystem3D {
++ id: psystem
++
++ SpriteParticle3D {
++ id: particleFire
++ sprite: Texture {
++ source: "images/sphere.png"
++ }
++ colorTable: Texture {
++ source: "images/colorTable.png"
++ }
++ maxAmount: 300
++ color: "#ffffff"
++ colorVariation: Qt.vector4d(0.0, 0.6, 0.8, 0.0)
++ billboard: true
++ blendMode: SpriteParticle3D.Screen
++ fadeInDuration: 100
++ }
++
++ ParticleEmitter3D {
++ id: fireEmitter
++ particle: particleFire
++ particleScale: 4
++ particleEndScale: 12
++ particleScaleVariation: 3
++ particleEndScaleVariation: 5
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 20 + mainWindow.fireStrength, 0)
++ directionVariation: Qt.vector3d(10 + mainWindow.fireStrength * 0.2, 10, 0)
++ }
++ emitRate: mainWindow.fireStrength * 2
++ lifeSpan: 1000
++ lifeSpanVariation: 500
++ // Animate the fire position
++ SequentialAnimation on x {
++ paused: !checkBoxAnimate.checked
++ loops: Animation.Infinite
++ NumberAnimation {
++ to: 100
++ duration: 2500
++ easing.type: Easing.InOutQuad
++ }
++ NumberAnimation {
++ to: -100
++ duration: 2500
++ easing.type: Easing.InOutQuad
++ }
++ }
++ }
++
++ SpriteParticle3D {
++ id: particleSparkle
++ sprite: Texture {
++ source: "images/sphere.png"
++ }
++ colorTable: Texture {
++ source: "images/color_table3.png"
++ }
++ maxAmount: 400
++ colorVariation: Qt.vector4d(0.0, 0.0, 0.0, 0.4)
++ blendMode: SpriteParticle3D.Screen
++ }
++
++ ParticleEmitter3D {
++ id: sparklesEmitter
++ particle: particleSparkle
++ position: fireEmitter.position
++ particleScale: 1.0
++ particleEndScale: 0
++ particleScaleVariation: 0.5
++ particleRotationVariation: Qt.vector3d(180, 180, 0)
++ particleRotationVelocityVariation: Qt.vector3d(400, 400, 0)
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 50 + mainWindow.sparklesStrength, 0)
++ directionVariation: Qt.vector3d(50, 10 + mainWindow.sparklesStrength * 0.5, 0)
++ }
++ emitRate: mainWindow.sparklesStrength * 4
++ lifeSpan: 500
++ lifeSpanVariation: 500
++ }
++
++ SpriteParticle3D {
++ id: smokeParticle
++ sprite: Texture {
++ source: "images/smoke_sprite.png"
++ }
++ maxAmount: 200
++ spriteSequence: SpriteSequence3D {
++ frameCount: 15
++ interpolate: true
++ }
++ billboard: true
++ color: "#40ffffff"
++ colorVariation: Qt.vector4d(0.5, 0.5, 0.5, 0.2)
++ unifiedColorVariation: true
++ fadeOutEffect: Particle3D.FadeOpacity
++ fadeOutDuration: 1500
++ }
++
++ ParticleEmitter3D {
++ id: smokeEmitter
++ particle: smokeParticle
++ // Smoke always behind the fire & sparkles
++ position: Qt.vector3d(fireEmitter.position.x, fireEmitter.position.y, fireEmitter.position.z - 2)
++ particleScale: 6
++ particleScaleVariation: 4
++ particleEndScale: 35
++ particleEndScaleVariation: 15
++ particleRotationVariation: Qt.vector3d(0, 0, 180)
++ particleRotationVelocityVariation: Qt.vector3d(0, 0, 40)
++ emitRate: mainWindow.smokeStrength * 0.5
++ lifeSpan: 3000
++ lifeSpanVariation: 1000
++ velocity: VectorDirection3D {
++ direction: Qt.vector3d(0, 50 + mainWindow.smokeStrength * 0.1, 0)
++ directionVariation: Qt.vector3d(20, 20, 0)
++ }
++ }
++
++ Gravity3D {
++ // Add gravity to sparkles
++ particles: [ particleSparkle ]
++ magnitude: 200
++ }
++ }
++ }
++
++ SettingsView {
++ CustomLabel {
++ text: "Fire Strength"
++ }
++ CustomSlider {
++ id: sliderFireStrength
++ sliderValue: 50
++ fromValue: 0
++ toValue: 100
++ }
++ CustomLabel {
++ text: "Smoke Strength"
++ }
++ CustomSlider {
++ id: sliderSmokeStrength
++ sliderValue: 50
++ fromValue: 0
++ toValue: 100
++ }
++ CustomLabel {
++ text: "Sparkles Strength"
++ }
++ CustomSlider {
++ id: sliderSparklesStrength
++ sliderValue: 50
++ fromValue: 0
++ toValue: 100
++ }
++ CustomCheckBox {
++ id: checkBoxBackground
++ text: "Show Background"
++ checked: true
++ }
++ CustomCheckBox {
++ id: checkBoxAnimate
++ text: "Animate Position"
++ checked: true
++ }
++ }
++
++ LoggingView {
++ anchors.bottom: parent.bottom
++ particleSystems: [psystem]
++ }
++ }