var RandomXY = function (vector, scale){ 
if (scale === undefined) { 
scale = 1; 
} 
var r = Math.random() * 2 * Math.PI; 
vector.x = Math.cos(r) * scale; 
vector.y = Math.sin(r) * scale; 
return vector; 
} 
; 
module.exports = RandomXY;