##########################################################################
package Games::PangZero::UpsideDownBall;
##########################################################################
@ISA = qw( Games::PangZero::Ball );
use strict;
use warnings;
sub NormalAdvance {
my ($self) = @_;
$self->{speedY} = -$self->{speedY};
$self->{y} = $Games::PangZero::ScreenHeight - $self->{h} - $self->{y};
$self->SUPER::NormalAdvance();
$self->{speedY} = -$self->{speedY};
$self->{y} = $Games::PangZero::ScreenHeight - $self->{h} - $self->{y};
}
1;