Help with Face Mask teeth showing when mouth is closed

  • I have seen this done, I will have a look around and see if I can figure it out for you. 
    Update me if you figure this out before me.

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  • Hi JAK,

    We've actually just rolled out updated Makeup Template as part of Lens Studio update. Now it has LipsController script that changes Face Mask opacity texture depending if user's mouth opened/closed. 

     

    It uses new api that gets you access to Face Landmark points of Head Binding. While checking the distance between lower and upper lip points script decides which opacity mask to use at current frame. For more info on  Face Landmarks please see this guide.

    var upperLip = head.getLandmark(62);
    var lowerLip = head.getLandmark(66);
    var headUp = head.getLandmark(71);
    var chin = head.getLandmark(8);

    var dist = upperLip.distance(lowerLip) / Math.abs(headUp.distance(chin));
     
    if (dist < BOUND_EPS - DELTA) {
       faceMaskPass.opacityTex = mouthClosedMask;
    } else if (dist > BOUND_EPS + DELTA){
       faceMaskPass.opacityTex = mouthOpenedMask;
    }


    So you can have fully black opacity texture when mouth is closed - this helps getting rid of any visible parts of texture. And then you can add some opacity mask for teeth when mouth is opened.

     

    Download sample project

    Best,
    Olesia

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