Rock-paper-scissors: Difference between revisions

m
→‎{{header|Sidef}}: minor code simplifications
m (added whitespace before the TOC (table of contents), added a ;Task: (bold) header, changed AI to bold, otherwise it looked like Al (Alfred). .)
m (→‎{{header|Sidef}}: minor code simplifications)
Line 4,246:
 
=={{header|Sidef}}==
<lang ruby>const rps = %w(r p s);
 
 
const msg = [
"Rock breaks scissors",
"Paper covers rock",
"Scissors cut paper",
];
 
 
say <<"EOT";
\n>> Rock Paper Scissors <<\n
Line 4,260:
** Running score shown as <your wins>:<my wins>
EOT
 
 
var plays = 0;
var aScore = 0;
var pScore = 0;
var pcf = [0,0,0]; # pcf = player choice frequency
var aChoice = 3.rand.int;irand # ai choice for first play is completely random
 
 
loop {
var pi = Sys.scanln("Play: ");
pi == 'q' && break;
 
 
var pChoice = rps.index(pi);
 
 
if (pChoice == -1) {
STDERR.print("Invalid input!\n");
next;
}
 
 
++pcf[pChoice];
++plays;
 
 
# show result of play
">> My play:  %-8s".printf(rps[aChoice]);
 
 
given ((aChoice - pChoice + 3) % 3) {
when (0) { say "Tie." }
when (1) { "%-*s  %s".printlnf(30, msg[aChoice], 'My point'); aScore++ }
when (2) { "%-*s  %s".printlnf(30, msg[pChoice], 'Your point'); pScore++ }
}
 
 
# show score
"%-6s".printf("%d:%d" % (pScore, aScore));
 
 
# compute ai choice for next play
given (var rn = (plays.rand.int)irand) { |rn|
case (rn < pcf[0]) { aChoice = 1 }
case (pcf[0]+pcf[1] > rn) { aChoice = 2 }
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