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Re: [pygame] Finding the distance between 2 objects?

campbell barton schreef op zaterdag 15 maart om 09:20:36 +0000:
> Hi, I often need to find the hoz and vert distance between 2 rects when making a 2D game, I am doing it a pretty lengthy way at the moment, eg...
> 
> XDIST = rect1.left - rect2.left
> if XDIST < 0: XDIST = -XDIST # Make positive
> 
> YDIST = rect1.top - rect2.top
> if YDIST < 0: YDIST = -YDIST 
> 
> IS there any simply way so say- Here are two numbers, whats the difference. This should always be a positive number.

Yes:
  1 >>> abs(2-5)
3
  2 >>> abs(5-2)
3
  3 >>> abs(-2)
2
  4 >>> print abs.__doc__
abs(number) -> number

Return the absolute value of the argument.


yours,
Gerrit.

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