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import Qt 4.7

Rectangle {

    id: screen

    width: 800; height: 480

    color: "black"

    Item {

        id: container

        x: screen.width / 2; y: screen.height / 2

        Text {

            id: text

            anchors.centerIn: parent

            color: "white"

            text: "Hello world!"

            font.pixelSize: 60

            SequentialAnimation on font.letterSpacing {

                loops: Animation.Infinite;

                NumberAnimation { from: 100; to: 300; easing.type: Easing.InQuad; duration: 3000 }

                ScriptAction {

                    script: {

                        container.y = (screen.height / 4) + (Math.random() * screen.height / 2)

                        container.x = (screen.width / 4) + (Math.random() * screen.width / 2)

                    }

                }

            }

            SequentialAnimation on opacity {

                loops: Animation.Infinite;

                NumberAnimation { from: 1; to: 0; duration: 2600 }

                PauseAnimation { duration: 400 }

            }

        }

    }

}