
	lineLength(x0: Integer, y0: Integer, x1: Integer, y1: Integer): Double
	
		Returns the distance from a point A to a point B.
		
			x0 x coord of the line's A point
			y0 y coord of the line's A point
			x1 x coord of the line's B point
			y1 y coord of the line's B point
		
	
