Qt Quick 3D - Particles 3D Testbed Example

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import QtQuick import QtQuick3D import QtQuick3D.Particles3D Item { id: mainWindow anchors.fill: parent View3D { anchors.fill: parent environment: SceneEnvironment { clearColor: "#000000" backgroundMode: SceneEnvironment.Color antialiasingMode: settings.antialiasingMode antialiasingQuality: settings.antialiasingQuality } PerspectiveCamera { id: camera property real cameraAnim: 0 NumberAnimation on cameraAnim { running: true loops: Animation.Infinite from: 0 to: 2 * Math.PI duration: 40000 } position: Qt.vector3d(Math.sin(cameraAnim * 3.0) * 400, 200, 600 + Math.cos(cameraAnim) * 200) eulerRotation: Qt.vector3d(-20, Math.sin(cameraAnim * 3.0) * 30, 0) } PointLight { position: Qt.vector3d(0, 400, 0) brightness: 10 ambientColor: Qt.rgba(0.3, 0.3, 0.3, 1.0) } // Background stars ParticleSystem3D { id: psystem2 startTime: 10000 SpriteParticle3D { id: particle3 sprite: Texture { source: "images/star3.png" } maxAmount: 1000 color: "#40ffffff" colorVariation: Qt.vector4d(0.1, 0.1, 0.1, 0.2) fadeInEffect: SpriteParticle3D.FadeScale fadeInDuration: 2000 fadeOutEffect: SpriteParticle3D.FadeScale fadeOutDuration: 2000 alignMode: SpriteParticle3D.AlignTowardsTarget alignTargetPosition: camera.position } ParticleEmitter3D { particle: particle3 shape: ParticleShape3D { fill: true type: ParticleShape3D.Sphere } position: Qt.vector3d(0, -500, -400) scale: Qt.vector3d(30, 30, 15) emitRate: 100 lifeSpan: 10000 particleRotationVariation: Qt.vector3d(0, 0, 180) particleRotationVelocityVariation: Qt.vector3d(0, 0, 50) particleScale: 5.0 particleScaleVariation: 3.0 velocity: VectorDirection3D { direction: Qt.vector3d(0, 0, 0) directionVariation: Qt.vector3d(10, 10, 10) } } } ParticleSystem3D { id: psystem running: false SequentialAnimation on time { loops: Animation.Infinite PauseAnimation { duration: 1500 } NumberAnimation { to: 5000 duration: 5000 easing.type: Easing.InOutQuad } PauseAnimation { duration: 1500 } NumberAnimation { to: 0 duration: 5000 easing.type: Easing.InOutQuad } } SpriteParticle3D { id: particle1 sprite: Texture { source: "images/star3.png" } maxAmount: 4096 colorTable: Texture { source: "images/color_table5.png" } color: "#d0ffffff" colorVariation: Qt.vector4d(0.0, 0.0, 0.0, 0.4) particleScale: 15.0 billboard: true fadeInEffect: SpriteParticle3D.FadeNone fadeOutEffect: SpriteParticle3D.FadeNone } SpriteParticle3D { id: particle2 sprite: Texture { source: "images/dot.png" } maxAmount: 4096 colorTable: Texture { source: "images/color_table4.png" } color: "#60ffffff" colorVariation: Qt.vector4d(0.0, 0.0, 0.0, 0.4) particleScale: 6.0 billboard: true fadeInEffect: SpriteParticle3D.FadeNone fadeOutEffect: SpriteParticle3D.FadeNone } ParticleEmitter3D { particle: particle1 scale: Qt.vector3d(5.0, 5.0, 5.0) shape: ParticleCustomShape3D { source: "data/qt_logo_in_4096.cbor" } lifeSpan: 5001 emitBursts: [ EmitBurst3D { time: 0 amount: 4096 } ] depthBias: -200 particleRotationVariation: Qt.vector3d(0, 0, 180) particleRotationVelocityVariation: Qt.vector3d(80, 80, 80) particleScaleVariation: 0.5 particleEndScale: 4.0 particleEndScaleVariation: 2.0 velocity: VectorDirection3D { direction: Qt.vector3d(-150, 100, 0) directionVariation: Qt.vector3d(150, 100, 100) } } ParticleEmitter3D { particle: particle2 scale: Qt.vector3d(5.0, 5.0, 5.0) shape: ParticleCustomShape3D { source: "data/qt_logo_out_4096.cbor" } lifeSpan: 5001 emitBursts: [ EmitBurst3D { time: 0 amount: 4096 } ] particleScale: 2.0 particleEndScale: 1.0 particleScaleVariation: 1.5 particleEndScaleVariation: 0.8 velocity: VectorDirection3D { direction: Qt.vector3d(0, 200, 0) directionVariation: Qt.vector3d(50, 50, 50) } } Attractor3D { particles: [particle1] position: Qt.vector3d(-200, 0, 0) scale: Qt.vector3d(4.0, 4.0, 4.0) shape: ParticleCustomShape3D { source: "data/heart_4096.cbor" randomizeData: true } duration: 4000 durationVariation: 1000 } Attractor3D { particles: [particle2] position: Qt.vector3d(200, 0, 0) scale: Qt.vector3d(6.0, 6.0, 6.0) shape: ParticleCustomShape3D { source: "data/qt_logo_in_4096.cbor" } duration: 4000 durationVariation: 1000 } } } LoggingView { anchors.bottom: parent.bottom particleSystems: [psystem, psystem2] } }