def setColorAlpha(self, fixed=None, proportional=None):
		"""
		Change the alpha of the current :py:class:`Color`.
		
		:param fixed: Set the absolute 0-1 value of the alpha.
		:param proportional: Set the relative value of the alpha (Es: If the current alpha is 0.8, a proportional value of 0.5 will set the final value to 0.4).
		:rtype: Nothing.
		"""
		if fixed!=None:
			self.color.set_alpha(fixed)
		elif proportional!=None:
			self.color.set_alpha(self.color.get_alpha()*proportional)
def setColorAlpha ( self , fixed = None , proportional = None ) : if fixed != None : self . color . set_alpha ( fixed ) elif proportional != None : self . color . set_alpha ( self . color . get_alpha ( ) * proportional )
Change the alpha of the current :py:class:`Color`.
		
		:param fixed: Set the absolute 0-1 value of the alpha.
		:param proportional: Set the relative value of the alpha (Es: If the current alpha is 0.8, a proportional value of 0.5 will set the final value to 0.4).
		:rtype: Nothing.