Rect {
    width: 320
    height: 240
    color: "#ffffff"
    Rect {
        id: Rect
        y: 200
        color: "#00ff00"
        width: 60
        height: 20
        y: SequentialAnimation {
            running: true
            repeat: true
            NumericAnimation {
                to: 200
                easing: "easeOutBounce(amplitude:180)"
                duration: 2000
            }
            PauseAnimation {
                duration: 1000
            }
        }
    }
    // Velocity
    Rect {
        x: Rect.width
        color: "#ff0000"
        width: Rect.width
        height: 20
        y: Follow {
            source: Rect.y
            velocity: 200
        }
    }
    Text {
        x: Rect.width
        y: 220
        text: "Velocity"
    }
    // Spring
    Rect {
        x: Rect.width * 2
        color: "#ff0000"
        width: Rect.width
        height: 20
        y: Follow {
            source: Rect.y
            spring: 1.2
            damping: 0.1
        }
    }
    Text {
        x: Rect.width * 2
        y: 220
        text: "Spring"
    }
    // Follow mouse
    MouseRegion {
        id: Mouse
        anchors.fill: parent
        Rect {
            width: 20
            height: 20
            radius: 10
            color: "#0000ff"
            x: Follow {
                source: Mouse.mouseX-10
                spring: 1.0
                damping: 0.05
            }
            y: Follow {
                source: Mouse.mouseY-10
                spring: 1.0
                damping: 0.05
            }
        }
    }
}