QML —— 顺序动画，足球落地示例（附完整源码）

效果

源码

import QtQuick 2.12
import QtQuick.Window 2.12

Window
{
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    MouseArea
    {
        anchors.fill: parent
        onClicked:{setSequentialAnimationState(true)}
    }

    Component.onCompleted:{setSequentialAnimationState(false)}
    Component.onDestruction:{setSequentialAnimationState(false)}

    function setSequentialAnimationState(b)
    {
        if(b)
        {
            if(!sequentialAnimation.running){sequentialAnimation.start()}
        }
        else
        {
             if(sequentialAnimation.running){sequentialAnimation.stop()}
        }
    }

    Image
    {
        id: ballImg
        source: "ball.jpeg"
        scale: 0.3
        y: -height
        anchors.horizontalCenter: parent.horizontalCenter

        SequentialAnimation on y
        {
            id: sequentialAnimation
            loops: Animation.Infinite
            NumberAnimation
            {
                id: fallNumberAnimation
                to: ballImg.parent.height - ballImg.height
                easing.type: Easing.OutBounce
                duration: 2000
            }

            PauseAnimation {duration: 1000}

            NumberAnimation
            {
                to: -ballImg.height
                easing.type: Easing.OutQuad
                duration: 500
            }

        }
    }
}

关注

笔者 - jxd