[xat.com] lib.as

var tc = 0;

function Animate(tick, points)
// return interpolation
// points is arrray, eg 0,30, 3,50, 6,30, 9,50, 12,30
// tick, value, tick value etc
{

    for(var n = 2; n<points.length; n+=2)
    {
        if(tick <= points[n]) // found ?
        {
            var r =
                (points[n+1] - points[n-1]) /
                (points[n] - points[n-2]) *
                (tick - points[n-2]) +
                points[n-1];
            return r;
        }
    }
    tc = 0; // reset tick, mark end
    return points[points.length-1]; // if finished - last value
}

function xInt(arg):Number
// guaranteed to return a number
{
    var r:Number = parseInt(String(arg));

    if (isNaN(r)) return 0;// return 0 if NaN

    return r;
}

function AttachMovie(mc, sym, Settings=undefined)
        {
                var classRef:Class = getDefinitionByName(sym) as Class;
                var Ret = new classRef();
                if(Settings)
                {
                    if(Settings['x']) Ret.x = Settings['x'];
                    if(Settings['y']) Ret.y = Settings['y'];
                    if(Settings['scaleX']) Ret.scaleX = Settings['scaleX'];
                    if(Settings['scaleY']) Ret.scaleY = Settings['scaleY'];
                    if(Settings['width']) Ret.width = Settings['width'];
                    if(Settings['height']) Ret.height = Settings['height'];
                }
                mc.addChild(Ret);
                return Ret;
        }