Checkers game, getting the piece i've jumped overs location

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Homework Statement


in checkers you jump over the enemys piece and land on a square after that.
i'm making this game in c++ using sdl~

i just want to know how to get the square i have jumped over using the end square and start square locations


Homework Equations





The Attempt at a Solution


where sx, sy = start x,y and ex, ey and the end position x,y

disty = ey - sy;
distx = ex - sx;

sx+distx/2 - should be the x val of the square i jumped over

sy+disty/2 - should be the y val of the square i jumped over


is this correct? i tryed it on paper and it seems to work one way but not another, jumping upwards for example gives me a negative number for example, any ideas appreciated :(

should be simple, perhaps i have been looking at this for too long lol.
thanks in advance
 

Discussion

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I don't get what you mean by "upwards". Your formula should work regardless. Maybe you failed to give your positions values that mean enough to you, i.e. one corner's square is (0,0) and the opposite corner is (8,8).
 
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wow... i just spent a million years thinking that was wrong :'(

thanks anyway!
 
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