introduction to tic tac toe game

gistfile1.ps1

#this function converts a value to pixels to create billy
function write-billy{
    
    #these are the pixels(spaces) that make up the ascii image
    $billy = ('sb8','nl9','sb6','sl4','sw5','nl4','sb5','sl3','sw9',
    'nl3', 'sb4','sl3','sw11','nl3','sb3','sl3','sw3','sr3','sw1',
    'sr3','sw3','nl3','sb3','sl3','sw2','sl1','sr1','sl1','sr1','sw1',
    'sr1','sl1','sr1','sl1','sw2','nl4','sb2','sl3','sw4','sr3','sw1',
    'sr3','sw4','nl3','sb2','sl3','sw1','sr1','sw1','sr1','sw7','sr1',
    'sw1','sr1','sw1','nl3','sb1','sl5','sw1','sr1','sw9','sr1','sw1',
    'nl5','sb1','sl7','sw1','sr7','sw1','nl7','sb2','sl6','sw2','sl1',
    'sw3','sl1','sw2','nl6','sb3','sl4','sr2','sw1','sl1','sw3','sl1',
    'sw1','sr2','nl4','sb7','sl1','sr9','nl1','sb5','sl2','sr2','sl2',
    'sw3','sl2','sr2','nl2','sb3','sl9','nl9','sb2','nl21','sb1','nl23')

    foreach ($i in $billy){
        
        #this part determines how many spaces to print
        if ($i.length -eq 3){
            $manychars = $i.substring(2,1)}
        else {
            $manychars = $i.substring(2,2)}
       
        #this next part determines the color to print
        if ($i.substring(1,1) -eq 'b'){
            $color = ""}
        elseif ($i.substring(1,1) -eq 'l'){
            $color = ' -backgroundcolor black'}
        elseif ($i.substring(1,1) -eq 'w'){
            $color = ' -backgroundcolor white'}
        else {
            $color = ' -backgroundcolor red'}
        
        #this part determines if it needs a -nonewline added
        if ($i.substring(0,1) -eq 's'){
            $newline = " -nonewline"}
        else { 
            $newline = " "}
        
        Invoke-Expression "write-host (' '*$manychars) $color $newline"}
    }

function write-slow ($text, $delay){
     $textarray = $text.split(" ")
     foreach ($i in $textarray){
         $final = $i + " " 
         Write-Host -NoNewline $final
         Start-Sleep -Milliseconds $delay}
     write-host}


write-billy
Write-Host
write-slow 'Would you like to play a game?' 125
Write-Host
write-slow 'press enter to fulfill your destiny' 125
read-host