var ScrollFactor = { 
scrollFactorX: 1,
scrollFactorY: 1,
setScrollFactor: function (x, y){ 
if (y === undefined) { 
y = x; 
} 
this.scrollFactorX = x; 
this.scrollFactorY = y; 
return this; 
} 
}
; 
module.exports = ScrollFactor;