#X3D V3.0 utf8

PROFILE Immersive

DEF SC Script {
    url ["ecmascript:
        var lastStartTime;

        function initialize() {
            date = new Date();
            lastStartTime = date.getTime();
        }

        // Called each frame
        function prepareEvents() {
            date = new Date();
            frameTime = (date.getTime() - lastStartTime) / 1000.0;
            lastStartTime = date.getTime();

            fps = 1.0 / frameTime;
            Browser.println('FPS: ' + fps);
        }
    "]
}