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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Particles
Rectangle {
id: root
color: "black"
width: 640
height: 480
ParticleSystem {
id: sys
}
ImageParticle {
system: sys
source: "qrc:///particleresources/glowdot.png"
color: "white"
colorVariation: 1.0
alpha: 0.1
}
Component {
id: emitterComp
Emitter {
id: container
Emitter {
id: emitMore
system: sys
emitRate: 128
lifeSpan: 600
size: 16
endSize: 8
velocity: AngleDirection {angleVariation:360; magnitude: 60}
}
property int life: 2600
property real targetX: 0
property real targetY: 0
function go() {
xAnim.start();
yAnim.start();
container.enabled = true
}
system: sys
emitRate: 32
lifeSpan: 600
size: 24
endSize: 8
NumberAnimation on x {
id: xAnim;
to: targetX
duration: life
running: false
}
NumberAnimation on y {
id: yAnim;
to: targetY
duration: life
running: false
}
Timer {
interval: life
running: true
onTriggered: container.destroy();
}
}
}
function customEmit(x,y) {
//! [0]
for (var i=0; i<8; i++) {
var obj = emitterComp.createObject(root);
obj.x = x
obj.y = y
obj.targetX = Math.random() * 240 - 120 + obj.x
obj.targetY = Math.random() * 240 - 120 + obj.y
obj.life = Math.round(Math.random() * 2400) + 200
obj.emitRate = Math.round(Math.random() * 32) + 32
obj.go();
}
//! [0]
}
Timer {
interval: 10000
triggeredOnStart: true
running: true
repeat: true
onTriggered: customEmit(Math.random() * 320, Math.random() * 480)
}
MouseArea {
anchors.fill: parent
onClicked: (mouse)=> customEmit(mouse.x, mouse.y);
}
Text {
anchors.horizontalCenter: parent.horizontalCenter
text: "Click Somewhere"
color: "white"
font.pixelSize: 24
}
}
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