Can you tell what's written there? Try running the code.
code: Can't Copy and Paste this? Click here for a copy-and-paste friendly version of this code!
Terms of Agreement:
By using this code, you agree to the following terms...
You may use
this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.
You may link to this code from another website, but ONLY if it is not wrapped in a frame.
You will abide by any additional copyright restrictions which the author may have placed in the code or code's description.
=**************************************
= Name: Thrown Text
= Description:Can you tell what's written there? Try running the code.
= By: IdoT
=
= Inputs:An argument would change the default thrown string...
=
= Assumes:Must have Tk installed.
=
= Side Effects:Time waste looking at it;)
=
=This code is copyrighted and has= limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=539&lngWId=6=for details.=**************************************
use Tk;
my $mw=new MainWindow;
my $canvas=$mw->Canvas(-width=>400,-height=>600,-bg=>'white')->pack;
$g=0.4;
sub create{
my $self=shift;
my $t=0;
my $alpha=atan2($self->{m}-$self->{y0}-$g*$self->{t}**2/2,$self->{n}-$self->{x0});
my $v0=($self->{n}-$self->{x0})/($self->{t}*cos($alpha));
my $sub;
my $i=$canvas->create('text',$self->{x0},$self->{y0},-text=>$self->{letter});
$sub=sub{
$canvas->coords($i,$self->{x0}+cos($alpha)*$v0*$t,$self->{y0}+sin($alpha)*$v0*$t+$g*$t**2/2);
$t++;
$mw->after(30,$sub) unless $t>$self->{t};
};
$mw->after(rand(2000),$sub);
}
$canvas->repeat(6000,my $subr=sub{$canvas->delete('all');
$x=100;
$n=50;
$string=$ARGV[0]||'www.planet-source-code.com';
my @pos;
for(split //,$string){
create({letter=>$_,x0=>$n+do{my $a;do{$a=int rand(length $string)} while $pos[$a];$pos[$a]=1;$a*10},y0=>590,m=>300,n=>$x+($string=~s/\Q$_/^/,$-[0])[1]*8,t=>55+int rand(40)});
}});
$subr->();
MainLoop;
One thing, every now and then one or more random letters disappear and may return on the next iteration. Wonder why that is? (If this comment was disrespectful, please report it.)
9/15/2004 10:35:01 PM:
kool code, however it skips or leaves out a letter every once and a while. ex: i typed have a good night it said have a good night, or have a goo night, or have a good nig t. (If this comment was disrespectful, please report it.)
Add Your Feedback
Your feedback will be posted below and an email sent to
the author. Please remember that the author was kind enough to
share this with you, so any criticisms must be stated politely, or they
will be deleted. (For feedback not related to this particular code, please
click here instead.)
9/17/2003 12:57:02 AM: 
