def keyfr(frame=0, duration=1000, **kwargs):
	"""
	Returns a single keyframe with given parameters

	:param frame: name or number of image for this keyframe
	:param duration: time in milliseconds for this keyframe
	:param angle: degrees of clockwise rotation around a center origin
	:param flipx: set True to flip image horizontally
	:param flipy: set True flip image vertically
	:param color: (r,g,b) triplet to shift color values
	:param alpha: alpha transparency value
	:param scale: scaling multiplier where 1.0 is unchanged
	:param pos: optional (x,y) pair or Vector2 to set sprite position
	:param velocity: optional (x,y) or Vector2 for sprite to move
		measured in pixels per second
	:param rotation: optional degrees of clockwise rotation per second
	:param scaling: optional amount to scale per second where 0 = None
	:param fading: optional int to subract from alpha value per second
	:param coloring: (r,g,b) triplet to shift each color value per second
	"""
	kwargs.update(frame=frame, duration=duration)
	return(kwargs)