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		.com.unity Forums > Illwinter Game Design > Dominions 3: The Awakening
Diagonal Distance/Range

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May 18th, 2009, 07:25 PM

chrispedersen chrispedersen is offline

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Re: Diagonal Distance/Range

Quote:

Originally Posted by lch

It's almost the Manhattan metric. The game calculates the distance between (x0,y0) and (x1,y1) by

dx = |x0-x1|
dy = |y0-y1|

r = dx+dy

if (dx > 0 and dy > 0) --r
if (dx > 3 and dy > 3) --r
if (dx > 6 and dy > 6) --r
if (dx > 9 and dy > 9) --r

ok, I'll be the ignoramous.. I don't get the if (dx>0... etc
--r explain in english?

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