OverviewFelgo 1 Support › ParallaxScrollingBackground line between Images

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  • #6134


    Hey guys,


    I am creating a platform jumper game and am using the ParallaxScrollingBackground exactly as exemplified in the ChickenOutbreak Demo. Unfortunately, sometimes there is a visibile black line between the two backgrounds (see screenshot).


    If I use the background from ChickenOutbreak, no black lines are visible. However, I carefully analysed my own graphics and am sure that they do not contain any black borders.

    Can you give me any advice on what might cause this?





    Felgo Team

    Hi Lorenz,

    could this have something to do with mirroring the second image? Have you explicitly defined the mirroring behavior that you want with the mirrorSecondImage property? Can you send me the image(s) that you are using to so i can try to reproduce the issue?



      ParallaxScrollingBackground {
        id: levelBackground
        y: -level.y
        sourceImage: "img/background.png"
        // do not mirror it vertically, because the image is prepared to match on the top and the bottom
        mirrorSecondImage: true
        movementVelocity: Qt.point(0, levelMovementAnimation.velocity)
        running: levelMovementAnimation.running // start non-running, gets set to true in startGame

    here my code, i tried mirroring off and on, doesn’t help.

    i will email you the images.



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