Qt Quick 3D - Particles 3D Testbed Example

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import QtQuick import QtQuick3D import QtQuick3D.Particles3D import QtQuick.Controls import QtQuick.Timeline Item { id: mainWindow property real cubeRotation: 0 anchors.fill: parent Timeline { id: timeline enabled: true startFrame: 0 endFrame: 100 animations: [ TimelineAnimation { id: timelineAnimation running: true duration: (100 - timeline.currentFrame) * 100 //10000 from: timeline.currentFrame to: 100 } ] keyframeGroups: [ KeyframeGroup { target: mainWindow property: "cubeRotation" Keyframe { frame: 0; value: 0 } Keyframe { frame: 100; value: 360 } }, KeyframeGroup { target: psystem1 property: "time" Keyframe { frame: 0; value: 3001 } Keyframe { frame: 50; value: 0; easing.type: Easing.OutQuad } Keyframe { frame: 55; value: 0 } Keyframe { frame: 80; value: 3001 } }, KeyframeGroup { target: psystem2 property: "time" Keyframe { frame: 50; value: 0; easing.type: Easing.InQuad } Keyframe { frame: 80; value: 5000 } }, KeyframeGroup { target: qtCube property: "opacity" Keyframe { frame: 60; value: 0 } Keyframe { frame: 70; value: 0.99 } Keyframe { frame: 90; value: 0.99 } Keyframe { frame: 100; value: 0.0 } } ] } View3D { id: view3D anchors.fill: parent environment: SceneEnvironment { clearColor: "#202020" backgroundMode: SceneEnvironment.Color antialiasingMode: settings.antialiasingMode antialiasingQuality: settings.antialiasingQuality } PerspectiveCamera { id: camera position.z: 600 } PointLight { position: Qt.vector3d(200, 400, 200) brightness: 10 ambientColor: Qt.rgba(0.2, 0.2, 0.2, 1.0) } // Particle models Component { id: dotParticleComponent Model { source: "#Cube" scale: Qt.vector3d(0.02, 0.02, 0.02) materials: DefaultMaterial { lighting: DefaultMaterial.NoLighting } } } Component { id: smokeParticleComponent Model { source: "#Rectangle" scale: Qt.vector3d(6, 6, 6) materials: DefaultMaterial { diffuseMap: Texture { source: "images/smoke.png" } lighting: DefaultMaterial.NoLighting } opacity: 0.2 } } Component { id: starParticleComponent Model { source: "#Rectangle" scale: Qt.vector3d(0.5, 0.5, 0.5) materials: DefaultMaterial { diffuseMap: Texture { source: "images/star.png" } lighting: DefaultMaterial.NoLighting cullMode: DefaultMaterial.NoCulling } opacity: 0.2 } } Node { eulerRotation: Qt.vector3d(20, -40 + cubeRotation, -10 + cubeRotation) Model { id: qtCube source: "#Cube" scale: Qt.vector3d(2.0, 2.0, 2.0) opacity: 0 materials: DefaultMaterial { diffuseMap: Texture { source: "images/qt_logo.png" } } } ParticleSystem3D { id: psystem1 // We animate this system time manually running: false ModelParticle3D { id: particleWhite delegate: dotParticleComponent maxAmount: 2000 color: "#ffffff" colorVariation: Qt.vector4d(0, 0, 0, 0.8) fadeInEffect: ModelParticle3D.FadeNone fadeOutEffect: ModelParticle3D.FadeOpacity fadeOutDuration: 3000 } ParticleEmitter3D { id: emitter1 particle: particleWhite scale: Qt.vector3d(2.0, 2.0, 2.0) shape: ParticleShape3D { type: ParticleShape3D.Cube fill: false } velocity: TargetDirection3D { magnitude: -0.6 magnitudeVariation: 0.4 } lifeSpan: 3000 emitBursts: [ EmitBurst3D { time: 0 amount: 2000 } ] } Wander3D { uniqueAmount: Qt.vector3d(40.0, 40.0, 40.0) uniquePace: Qt.vector3d(0.2, 0.2, 0.2) uniqueAmountVariation: 0.5 uniquePaceVariation: 0.5 } } } ParticleSystem3D { id: psystem2 // We animate this system time manually running: false ModelParticle3D { id: smokeParticle delegate: smokeParticleComponent maxAmount: 20 color: "#ffffff" colorVariation: Qt.vector4d(0, 0, 0, 0.5) fadeInEffect: ModelParticle3D.FadeScale fadeOutEffect: ModelParticle3D.FadeOpacity fadeOutDuration: 2000 } ModelParticle3D { id: starParticle delegate: starParticleComponent maxAmount: 50 color: "#ffff00" colorVariation: Qt.vector4d(0.4, 0.6, 0, 0.1) unifiedColorVariation: true fadeInEffect: ModelParticle3D.FadeScale fadeOutEffect: ModelParticle3D.FadeOpacity fadeOutDuration: 2000 } ParticleEmitter3D { id: emitter2 particle: smokeParticle scale: Qt.vector3d(0.1, 0.1, 0.1) shape: ParticleShape3D { type: ParticleShape3D.Sphere } particleRotationVariation: Qt.vector3d(20, 20, 180) particleRotationVelocityVariation: Qt.vector3d(0, 0, 100) velocity: TargetDirection3D { normalized: true magnitude: -200.0 magnitudeVariation: 0.5 } lifeSpan: 4000 emitBursts: [ EmitBurst3D { time: 400 amount: 20 duration: 600 } ] } ParticleEmitter3D { id: emitter3 particle: starParticle scale: Qt.vector3d(0.1, 0.1, 0.1) shape: ParticleShape3D { type: ParticleShape3D.Sphere } particleScale: 2.0 particleScaleVariation: 1.0 particleEndScale: 4.0 particleRotationVariation: Qt.vector3d(0, 0, 180) particleRotationVelocityVariation: Qt.vector3d(0, 0, 200) velocity: TargetDirection3D { normalized: true magnitudeVariation: 150 } lifeSpan: 2500 emitBursts: [ EmitBurst3D { time: 1 amount: 50 } ] } } } Item { id: toolbar anchors.left: parent.left anchors.leftMargin: 20 anchors.right: parent.right anchors.rightMargin: 20 anchors.bottom: parent.bottom anchors.bottomMargin: 20 height: 60 Rectangle { anchors.fill: parent color: "#ffffff" radius: 4 opacity: 0.2 } Image { id: playButton anchors.left: parent.left anchors.leftMargin: 14 anchors.verticalCenter: parent.verticalCenter height: parent.height - 10 width: height source: timelineAnimation.running ? "images/icon_pause.png" : "images/icon_play.png" MouseArea { anchors.fill: parent anchors.margins: -10 onClicked: { // If we are close to end, start from the beginning if (timeline.currentFrame >= timeline.endFrame - 1.0) timeline.currentFrame = 0; timelineAnimation.running = !timelineAnimation.running; } } } CustomSlider { id: sliderTimelineTime anchors.left: playButton.right anchors.leftMargin: 8 anchors.right: parent.right anchors.rightMargin: 8 anchors.verticalCenter: parent.verticalCenter sliderValue: timeline.currentFrame sliderEnabled: !timelineAnimation.running || timelineAnimation.paused fromValue: 0.0 toValue: 100.0 onSliderValueChanged: timeline.currentFrame = sliderValue; } } LoggingView { anchors.bottom: toolbar.top anchors.bottomMargin: 8 particleSystems: [psystem1, psystem2] } }