Qt Quick 3D - Particles 3D Testbed Example

 // Copyright (C) 2023 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts

 Item {
     id: rootItem
     property alias sliderValue: slider.value
     property alias fromValue: slider.from
     property alias toValue: slider.to
     property alias sliderEnabled: slider.enabled
     property alias sliderStepSize: slider.stepSize
     readonly property bool highlight: slider.hovered || slider.pressed

     width: 260
     height: rowLayout.height

     MouseArea {
         anchors.fill: parent
         onPressed: {}
     }

     RowLayout {
         id: rowLayout
         width: parent.width
         Slider {
             id: slider
             stepSize: 0.01
             Layout.minimumWidth: 200
             Layout.fillWidth: true
             background: Rectangle {
                 x: slider.leftPadding
                 y: slider.topPadding + slider.availableHeight / 2 - height / 2
                 implicitWidth: 200
                 implicitHeight: 2
                 width: slider.availableWidth
                 height: implicitHeight
                 color: "#606060"
                 Rectangle {
                     width: slider.visualPosition * parent.width
                     height: parent.height
                     color: "#41cd52"
                 }
             }
             handle: Rectangle {
                 x: slider.leftPadding + slider.visualPosition * (slider.availableWidth - width)
                 y: slider.topPadding + slider.availableHeight / 2 - height / 2
                 implicitWidth: 14
                 implicitHeight: 14
                 radius: width/2
                 color: slider.pressed ? "#ffffff" : "#d0d0d0"
                 border.color: "#d0d0d0"
             }
         }
         Label {
             id: valueText
             text: slider.value.toFixed(2)
             color: "#f0f0f0"
             font.pointSize: AppSettings.fontSizeSmall
             font.bold: true
             Layout.minimumWidth: 60
         }
     }
 }