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endtwist/gist:2775779

Created May 23, 2012 15:06
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Animated Google Hangout Overlay
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gistfile1.js
// Create a “marker” overlay.
var markerImage = gapi.hangout.av.effects.createImageResource( 'https://donuthorns.appspot.com/static/x.png' )
, marker = markerImage.createOverlay( {
scale: {
magnitude: 0.25
, reference: gapi.hangout.av.effects.ScaleReference.HEIGHT
}
} );
marker.setVisible( true );
// Move the marker back and forth horizontally
var posX = 0, direction = 1;
setInterval( function() {
if( posX <= -0.5 || posX >= 0.5 ) {
direction = -direction;
}
posX += direction * 0.1;
marker.setPosition( posX, 0 );
}, 100);
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