js/canvas2svg.js
function (vector) {
        var len = Math.sqrt(vector[0] * vector[0] + vector[1] * vector[1]);
        return [vector[0] / len, vector[1] / len];
    }
function (vector) {
        var len = Math.sqrt(vector[0] * vector[0] + vector[1] * vector[1]);
        return [vector[0] / len, vector[1] / len];
    }
function ( vector ) { var len = Math . sqrt ( vector [ 0 ] * vector [ 0 ] + vector [ 1 ] * vector [ 1 ] ) ; return [ vector [ 0 ] / len , vector [ 1 ] / len ] ; }
Return a new normalized vector of given vector
Return a new normalized vector of given vector