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2.10 Distance XY

To measured the distance between objects along one axis (X or Y).

Equations:	1
Data:
x1 (y1):	X or Y coordinate of the first object.
x2 (y2):	X or Y coordinate of the second object.
x1 - x2 (y1 - y2):	Difference between x1 and x2 (or between y1 and y2).