Created
May 30, 2009 01:12
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#!/usr/bin/perl6 | |
class Point { | |
has ($.name, $.x, $.y); | |
method to_str { return $.name ~ " (" ~ $.x ~ "," ~ $.y ~ ")"; } | |
} | |
class Path { | |
has Point @.path is rw; | |
method to_str { (@.path.map: { $_.name }).join(" ") ~ " " ~ self.length.fmt("%8.2f"); } | |
method mutate { | |
my $i = @.path.keys.pick; | |
my $j = @.path.keys.pick; | |
@.path[$i,$j] = @.path[$j,$i]; | |
} | |
} | |
class World { | |
has Point @.points; | |
has Path @.paths is rw; | |
method init (@names,$n) { | |
@!points = Point.new(:name($_), :x(rand * 100), :y(rand * 100)) for @names; | |
@!paths.push: Path.new(:path(@.points.pick(*))) for 1..$n; | |
} | |
method to_str { return @.paths.map({$_.to_str}).join("\n"); } | |
} | |
my $n = 10; | |
my @names = <alpha beta gamma delta epsilon zeta eta theta iota kappa lambda mu nu xi omicron>; | |
my $w = World.new; | |
$w.init(@names, $n); | |
say $w.to_str; | |
#vim: ft=perl6 sw=4 ts=4 expandtab |
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