Qt Quick Demo - Maroon in Trouble

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import QtQuick 2.0
import QtQuick.Particles 2.0
import "logic.js" as Logic
Item {
    id: gameOverScreen
    width: 320
    height: 400
    property GameCanvas gameCanvas
    Image {
        id: img
        source: "gfx/text-gameover.png"
        anchors.centerIn: parent
    }
    ParticleSystem {
        anchors.fill: parent
        ImageParticle {
            id: cloud
            source: "gfx/cloud.png"
            alphaVariation: 0.25
            opacity: 0.25
        }
        Wander {
            xVariance: 100;
            pace: 1;
        }
        Emitter {
            id: cloudLeft
            width: 160
            height: 160
            anchors.right: parent.left
            emitRate: 0.5
            lifeSpan: 12000
            velocity: PointDirection{ x: 64; xVariation: 2; yVariation: 2 }
            size: 160
        }
        Emitter {
            id: cloudRight
            width: 160
            height: 160
            anchors.left: parent.right
            emitRate: 0.5
            lifeSpan: 12000
            velocity: PointDirection{ x: -64; xVariation: 2; yVariation: 2 }
            size: 160
        }
    }
    Text {
        visible: gameCanvas != undefined
        text: "You saved " + gameCanvas.score + " fishes!"
        anchors.top: img.bottom
        anchors.topMargin: 12
        anchors.horizontalCenter: parent.horizontalCenter
        font.bold: true
        color: "#000000"
        opacity: 0.5
    }
    Image {
        source: "gfx/button-play.png"
        anchors.bottom: parent.bottom
        anchors.bottomMargin: 0
        MouseArea {
            anchors.fill: parent
            onClicked: gameCanvas.gameOver = false//This will actually trigger the state change in main.qml
        }
    }
}