Qt Quick 3D - Particles 3D Testbed Example

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import QtQuick Item { id: rootItem property real showState: settings.showSettingsView ? 1.0 : 0.0 default property alias content: settingsArea.children width: settingsArea.width height: settingsArea.height x: parent.width - showState * width + (1 - showState) * 30 Behavior on showState { NumberAnimation { duration: 800 easing.type: Easing.InOutQuad } } // Background Rectangle { anchors.fill: settingsArea anchors.margins: -10 color: "#80404040" border.color: "#000000" border.width: 1 opacity: 0.8 MouseArea { anchors.fill: parent onPressed: {} } } Item { anchors.right: parent.left anchors.rightMargin: 30 anchors.top: parent.top width: rootWindow.iconSize height: width opacity: showState * 0.6 + 0.4 visible: opacity Image { anchors.centerIn: parent width: parent.width * 0.3 height: width source: "images/icon_settings.png" mipmap: true } MouseArea { anchors.fill: parent onClicked: { settings.showSettingsView = !settings.showSettingsView; } } } Column { id: settingsArea anchors.top: parent.top anchors.topMargin: 20 anchors.right: parent.right anchors.rightMargin: 20 } }