qtdoc/examples/demos/samegame/content/BlockEmitter.qml

// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

import QtQuick
import QtQuick.Particles

Emitter {
    id: emitter
    property Item block: parent
    velocity: TargetDirection {
        targetX: emitter.block.width/2
        targetY: emitter.block.height/2
        magnitude: -40
        magnitudeVariation: 40
    }
    acceleration: TargetDirection {
        targetX: emitter.block.width/2
        targetY: emitter.block.height/2
        magnitude: -100
    }
    shape: EllipseShape{fill:true}
    enabled: false;
    lifeSpan: 700; lifeSpanVariation: 100
    emitRate: 1000
    maximumEmitted: 100 //only fires 0.1s bursts (still 2x old number)
    size: Settings.blockSize * 0.85
    endSize: Settings.blockSize * 0.85 /2
}