var SetRotation = function (items, value, step){ 
if (step === undefined) { 
step = 0; 
} 
for (var i = 0; 
i < _AN_Read_length('length', items); i++ ){ 
items[i].rotation = value + (i * step); 
} 
return items; 
} 
; 
module.exports = SetRotation;