Message-Id: <199810312250.WAA05681@relay.clara.net>
From: "Arthur" <arfa AT clara DOT net>
To: <djgpp AT delorie DOT com>
Subject: RE: Random numbers,  'or '  and  'and' ;
Date: Sat, 31 Oct 1998 22:46:11 -0000
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Reply-To: djgpp AT delorie DOT com

> I am writing a rts game.  full code below. I am going quite well despite
> having a few problems, i drew 106 different tiles for water,
> grass and dirt
> and joins between them, i use rotate sprite and use angles for
> units rather
> than directions. my problems are :
>
> 1: I cannot find out how to use and  or  or  in an if statement
>
> i tried all of these but they dont work.. I would really appreciate it if
> someone told me what whas wrong
>
> if(a and b) blah;
> if((a) and (b)) blah;
> if(a & b) blah;
> if((a) & (b)) blah;
>
> if(a or b) blah;
> if((a) or (b)) blah;
> if(a || b) blah;
> if((a) || (b)) blah;

if(a & b) blah; - bitwise AND
if(a && b) blah; - logical AND
if(a | b) blah; - bitwise OR
if(a || b) blah; - logical OR

These are basic operators in C, and should be covered in any C reference.

> 2: I cant seem to find a procedure that makes random numbers.

Have you tried random()? Check the libc reference for details.

> Here is the code, it is a bit slopy with not many comments and is hard to
> follow and is very un optimised i think :<

What do you want us to do with it? Please specify more clearly.

James Arthur
jaa AT arfa DOT clara DOT net
ICQ#15054819