qml----动画入门（二、简单的动画实现 NumberAnimation类）

import QtQuick 2.2

Rectangle{
    id: rootItem
    width: 360
    height: 240
    color: "#EEEEEE"

    Rectangle{
        id: rect
        width: 50
        height: 50
        x: 0
        y: 5
        color: "blue"

        MouseArea{
            id: mouseArea
            anchors.fill: parent
            onClicked: {
                animationX.start()
                animationRotation.running = true
                animationRadius.start()
            }
        }

        NumberAnimation{
            id: animationX
            target: rect
            properties:  "x, y"
            to: 200
            duration: 3000
            easing.type: Easing.OutCubic    //设置运动轨迹
        }

        NumberAnimation{
            id: animationRotation
            target: rect
            property: "rotation"
            to: 360
            duration: 3000
            running: false
            easing.type: Easing.OutInQuad
        }

        NumberAnimation on radius {
            id: animationRadius
            to: 25
            duration: 2000
            running: false
        }
    }
}