qt-everywhere-src-5.14.1/qtdeclarative/examples/quick/animation/pathanimation/pathanimation.qml

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import QtQuick 2.0

Rectangle {
    id: window
    width: 320
    height: 480

    Canvas {
        id: canvas
        anchors.fill: parent
        antialiasing: true

        onPaint: {
            var context = canvas.getContext("2d")
            context.clearRect(0, 0, width, height)
            context.strokeStyle = "black"
            context.path = pathAnim.path
            context.stroke()
        }
    }

    SequentialAnimation {
        running: true
        loops: -1

        PauseAnimation { duration: 1000 }
        //! [0]
        PathAnimation {
            id: pathAnim

            duration: 2000
            easing.type: Easing.InQuad

            target: box
            orientation: PathAnimation.RightFirst
            anchorPoint: Qt.point(box.width/2, box.height/2)
            path: Path {
                startX: 50; startY: 50

                PathCubic {
                    x: window.width - 50
                    y: window.height - 50

                    control1X: x; control1Y: 50
                    control2X: 50; control2Y: y
                }

                onChanged: canvas.requestPaint()
            }
        }
        //! [0]
    }

    Rectangle {
        id: box

        x: 25; y: 25
        width: 50; height: 50
        border.width: 1
        antialiasing: true

        Text {
            anchors.centerIn: parent
            text: "Box"
        }
    }
}