Beefy Boxes and Bandwidth Generously Provided by pair Networks
more useful options
 
PerlMonks  

Sierpinski's Triangle - Prima

by PodMaster (Abbot)
on Mar 17, 2004 at 12:47 UTC ( [id://337304]=note: print w/replies, xml ) Need Help??


in reply to Sierpinski's Triangle - Tk

#!/usr/bin/perl #Prima.sierpinski.pl #based on examples/f_fill and http://perlmonks.com/index.pl?node_id=33 +7175 use strict; use vars::i qw( $width 4 ); use vars::i qw( $height 4 ); use vars::i '@iterative_set' => ( sub { my @pt = ( 400, 50 ); return( ( $pt[0] + $_[0] ) / 2, ( $pt[1] + $_[1] ) / 2 ); }, sub { my @pt = ( 50, 400 ); return( ( $pt[0] + $_[0] ) / 2, ( $pt[1] + $_[1] ) / 2 ); }, sub { my @pt = ( 750, 400 ); return( ( $pt[0] + $_[0] ) / 2, ( $pt[1] + $_[1] ) / 2 ); }, ); use Prima; use Prima::Classes; $::application = Prima::Application-> create; my $w = Prima::Window-> create( onDestroy=> sub {$::application-> close;}, size => [ 444, 444], centered => 1, buffered => 1, palette => [ cl::Black, cl::White ], onPaint => sub { my ( $self, $canvas) = @_; $canvas-> color( cl::Back); # start coordinates my $x = 40; my $y = 400; my $iter = 0; # weed out transients while( $iter++ != 100 ) { ( $x, $y ) = $iterative_set[ int rand 3 ]->( $x, $y ); } $iter = 0; while( $iter++ < 10000 ) { ( $x, $y ) = $iterative_set[ int rand 3 ]->( $x, $y ); $canvas->rectangle ( $x, $y, $x+$width, $y+$height ); } }, ); run Prima; __END__

MJD says "you can't just make shit up and expect the computer to know what you mean, retardo!"
I run a Win32 PPM repository for perl 5.6.x and 5.8.x -- I take requests (README).
** The third rule of perl club is a statement of fact: pod is sexy.

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: note [id://337304]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others lurking in the Monastery: (5)
As of 2024-05-27 15:46 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found