52 lines
1.7 KiB
Plaintext
52 lines
1.7 KiB
Plaintext
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\b;Instruction \c;public\n; (for specialists)
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This instruction has two distinct purposes¦:
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1) Make a function available to other bots.
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2) Make a class member accessible from outside the class definition.
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\b;Instruction \c;public\n; for functions
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If you put \c;public\n; before a \l;function\u cbot\function; definition, you can make the function available to programs in other bots in the same mission.
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For example in the first bot we would have¦:
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\c;
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\s;public void object::Segment(float dist, float angle)
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\s;{
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\s; move(dist);
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\s; turn(angle);
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\s;}
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\n;
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And in another bot we would have¦:
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\c;
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\s;extern void object::Square( )
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\s;{
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\s; for ( int i=0 ; i<4 ; i++ )
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\s; {
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\s; Segment(10, 90);
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\s; fire(1);
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\s; }
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\s;}
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\n;
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If you have declared a function \c;public\n;, you cannot define a function with the same name and arguments in another bot of the same mission.
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If a bot containing a \c;public\n; function is destroyed, the other bots that make use of this function will be stopped with an error.
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\b;Instruction \c;public\n; for classes
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\l;Class\u cbot\class; members can be public (by default) or \l;privat\u cbot\private;. A member can be declared private by putting \c;private\n; before the member type. Private members are not accessible from outside the class definition.
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\c;
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\s;public class MyClass
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\s;{
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\s; int b; // public by default
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\s; public int a; // also public
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\s; private point position; // privat
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\s;}
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\s;void Test()
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\s;{
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\s; MyClass item;
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\s; item.a = item.b = 12; // ok
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\s; message( item.position ); // this is an error
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\s;}
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\n;
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\t;See also
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\c;\l;class\u cbot\class;\n;, \c;\l;private\u cbot\private;\n;, \c;\l;functions\u cbot\function;\n;
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\l;Programming\u cbot;, \l;types\u cbot\type; and \l;categories\u cbot\category;.
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