#!/usr/bin/perl
use strict;
use warnings;
use Win32::Console::ANSI;
use Term::ANSIScreen qw/:color :cursor :screen/;
use Term::ReadKey;
ReadMode('noecho');

cls;
my $col = 0;
my $skierx = 40;
my $skiery = 0;
my $score = 0;
my $key = 0;
my $wait = .3;
my $y = 1;

#fill the screen with Ts
while ($y < 100) {
   $col = int(rand(80));
   printf ("%${col}s\n", "T");
   $y = $y + 1;
}

$wait = 1;
$skierx = 40;
$skiery = 0;
$y = $y + 5;

locate $y,1; 
print "        ------------------------- Ready Set GO! -------------------------";


while (1 < 2) {

   while (not defined ($key = ReadKey(-1))) {
      # here when no key pressed

      # place a T and save X location in array, position in array = Y
      $col = int(rand(80));
      $y = $y + 1;
      $xloc[$y] = $col;
      locate $y,$col; print "T\n";

      # place V
      $skiery = $y - 50;
      locate $skiery,$skierx; print "V";

      #crash???
      if ($skierx eq $xloc[$skiery]) {print "CRASH!!!"; exit;}

      #score
      if ($skiery < 105) {locate $skiery,1; print "PRACTICE";}
      if ($skiery > 105) {$score = $score + 1;locate $skiery,1; print "$score";}


      # keep speeding up, reducing pause time
      select(undef, undef, undef, $wait); #pauses here
      #$wait = $wait - .005;
      if ($score eq 50) {$wait = .25;}
      if ($score eq 100) {$wait = .2;}
      if ($score eq 150) {$wait = .15;}
      if ($score eq 200) {$wait = .1;}
   }

   # here when key pressed
   if ($key eq ",") {$skierx = $skierx - 1;}
   if ($key eq ".") {$skierx = $skierx + 1;}
   if ($key eq "x") {exit;}
}

END{ ReadMode('restore'); }