Qt Quick 3D - Particles 3D Testbed Example

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import QtQuick import QtQuick3D import QtQuick3D.Particles3D Window { id: rootWindow readonly property url startupView: "StartupView.qml" QtObject { id: settings // Antialiasing mode & quality used in all examples. property var antialiasingMode: SceneEnvironment.NoAA property var antialiasingQuality: SceneEnvironment.High // Toggle default visibility of these views property bool showSettingsView: true property bool showLoggingView: false // Fonts in pointSizes // These are used mostly on examples in 3D side property real fontSizeLarge: 16 // These are used mostly on settings property real fontSizeSmall: 10 } readonly property real iconSize: 16 + Math.max(width, height) * 0.05 width: 1280 height: 720 visible: true title: qsTr("Qt Quick 3D Particles3D Testbed") color: "#000000" Loader { id: loader anchors.fill: parent source: startupView } Item { id: backButton anchors.left: parent.left anchors.top: parent.top width: rootWindow.iconSize height: width opacity: loader.source !== startupView visible: opacity Behavior on opacity { NumberAnimation { duration: 400 easing.type: Easing.InOutQuad } } Image { anchors.centerIn: parent width: parent.width * 0.3 height: width source: "images/arrow_icon.png" mipmap: true } MouseArea { anchors.fill: parent onClicked: { loader.source = startupView; } } } }