 
 
 ###
-# math
+# utility functions
 ###
 
 # calculate the mean value of several numbers

		to = from
		from = 0
	Math.random() * (to - from) + from

###
# utils
###

# get current time
Bu.now = if window?.performance? then -> window.performance.now() else -> Date.now()

# namespace, constants and utility functions

# namespace `Bu` is also a shortcut to class `Bu.Renderer`
@Bu = () -> new Bu.Renderer arguments...


