qt6-bb10/qtdeclarative/examples/quick/particles/emitters/shapeanddirection.qml

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1.9 KiB
QML

// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Particles
Rectangle {
id: root
width: 360
height: 540
color: "black"
Image {
anchors.fill: parent
source: "images/portal_bg.png"
}
ParticleSystem {
id: particles
anchors.fill: parent
ImageParticle {
groups: ["center","edge"]
anchors.fill: parent
source: "qrc:///particleresources/glowdot.png"
colorVariation: 0.1
color: "#009999FF"
}
Emitter {
anchors.fill: parent
group: "center"
emitRate: 400
lifeSpan: 2000
size: 20
sizeVariation: 2
endSize: 0
//! [0]
shape: EllipseShape {fill: false}
velocity: TargetDirection {
targetX: root.width/2
targetY: root.height/2
proportionalMagnitude: true
magnitude: 0.5
}
//! [0]
}
Emitter {
anchors.fill: parent
group: "edge"
startTime: 2000
emitRate: 2000
lifeSpan: 2000
size: 28
sizeVariation: 2
endSize: 16
shape: EllipseShape {fill: false}
velocity: TargetDirection {
targetX: root.width/2
targetY: root.height/2
proportionalMagnitude: true
magnitude: 0.1
magnitudeVariation: 0.1
}
acceleration: TargetDirection {
targetX: root.width/2
targetY: root.height/2
targetVariation: 200
proportionalMagnitude: true
magnitude: 0.1
magnitudeVariation: 0.1
}
}
}
}