Qt Quick 3D - Particles 3D Testbed Example

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import QtQuick import QtQuick3D import QtQuick3D.Particles3D Item { id: mainView readonly property real listItemWidth: 180 readonly property real listItemHeight: 40 // Enable this when only want to list the demos // Tweak the demos list as needed readonly property bool showOnlyDemos: false anchors.fill: parent ListModel { id: demosModel ListElement { name: "Snowing" file: "Snowing.qml" } ListElement { name: "HeartTrail" file: "HeartTrail.qml" } ListElement { name: "Giant Ocean Spider" file: "OceanSpider.qml" } ListElement { name: "Qt Cube Burst" file: "QtLogoAnimation.qml" } ListElement { name: "Fire And Smoke" file: "Fire.qml" } ListElement { name: "Speedometer" file: "Speedometer.qml" } } ListModel { id: testsModel ListElement { name: "Colorful Particles" file: "ColorfulParticles.qml" } ListElement { name: "Emitter Shapes" file: "EmitterShapes.qml" } ListElement { name: "Attractor Shapes" file: "AttractorShapes.qml" } ListElement { name: "Fading In/Out" file: "FadingInOut.qml" } ListElement { name: "Emit And Burst" file: "EmitAndBurst.qml" } ListElement { name: "ParticleSystem" file: "SystemPlayPause.qml" } ListElement { name: "Aligned Particles" file: "AlignedParticles.qml" } ListElement { name: "TrailEmitter Burst" file: "TrailEmitterBurst.qml" } ListElement { name: "Animated Sprite" file: "AnimatedSprite.qml" } } View3D { anchors.fill: parent environment: SceneEnvironment { clearColor: "#000000" backgroundMode: SceneEnvironment.Color antialiasingMode: settings.antialiasingMode antialiasingQuality: settings.antialiasingQuality } PerspectiveCamera { position: Qt.vector3d(0, 0, 600) clipFar: 2000 } PointLight { position: Qt.vector3d(200, 200, 400) brightness: 50 ambientColor: Qt.rgba(0.5, 0.3, 0.1, 1.0) SequentialAnimation on brightness { loops: Animation.Infinite NumberAnimation { to: 400 duration: 2000 easing.type: Easing.OutElastic } NumberAnimation { to: 50 duration: 6000 easing.type: Easing.InOutQuad } } } // Qt Cube model Model { source: "#Cube" position: Qt.vector3d(-250, 150, 100) scale: Qt.vector3d(1.0, 1.0, 1.0) NumberAnimation on eulerRotation.y { loops: Animation.Infinite from: 0 to: 360 duration: 10000 } NumberAnimation on eulerRotation.x { loops: Animation.Infinite from: 0 to: 360 duration: 6000 } materials: PrincipledMaterial { baseColorMap: Texture { source: "images/qt_logo2.png" } normalMap: Texture { source: "images/qt_logo2_n.png" } } } ParticleSystem3D { id: psystem startTime: 10000 SpriteParticle3D { id: spriteParticle sprite: Texture { source: "images/dot.png" } maxAmount: 200 color: "#80ff7000" colorVariation: Qt.vector4d(0.6, 0.2, 0.0, 0.4) unifiedColorVariation: true fadeInDuration: 1000 fadeOutDuration: 3000 } ParticleEmitter3D { particle: spriteParticle emitRate: 20 lifeSpan: 10000 scale: Qt.vector3d(8, 8, 0) shape: ParticleShape3D { type: ParticleShape3D.Cube } particleScale: 2.4 particleEndScale: 0.2 particleScaleVariation: 1.8 velocity: TargetDirection3D { magnitudeVariation: magnitude positionVariation: Qt.vector3d(180, 180, 180) SequentialAnimation on magnitude { loops: Animation.Infinite NumberAnimation { to: 1.0 duration: 3000 easing.type: Easing.InOutQuad } NumberAnimation { to: 0.1 duration: 5000 easing.type: Easing.InOutQuad } } } } } } Component { id: listComponent Item { width: mainView.listItemWidth height: mainView.listItemHeight Rectangle { anchors.fill: parent border.width: 0.5 border.color: "#d0808080" color: "#d0404040" opacity: mouseArea.containsMouse ? 1.0 : 0.5 } Text { anchors.centerIn: parent color: "#f0f0f0" font.pointSize: settings.fontSizeSmall text: name } MouseArea { id: mouseArea anchors.fill: parent onClicked: { loader.source = file } hoverEnabled: true } } } Text { id: topLabel anchors.horizontalCenter: parent.horizontalCenter anchors.top: parent.top anchors.topMargin: 20 text: qsTr("Qt Quick 3D - Particles3D") color: "#f0f0f0" font.pointSize: settings.fontSizeLarge } Row { anchors.horizontalCenter: parent.horizontalCenter anchors.top: topLabel.bottom anchors.topMargin: 20 spacing: 20 ListView { id: demosListView width: mainView.listItemWidth height: count * mainView.listItemHeight model: demosModel delegate: listComponent } ListView { id: examplesListView visible: !showOnlyDemos width: mainView.listItemWidth height: count * mainView.listItemHeight model: testsModel delegate: listComponent } } }