mcorrigan/chutes_and_ladders.html

## chutes_and_ladders.html
<!-- this was just a rapid development program for fun -->
<html>
<body>
    <h1>Chutes and Ladders!</h1>
    <button onclick="beginGame()">Play Game</button>
    <img src="https://thumbs.dreamstime.com/z/s-board-games-chutes-ladders-woodbridge-new-jersey-october-circa-game-shown-128701391.jpg" />
    <script>
        // general configs
        var spin_min = 1, spin_max = 6;
        var exact_space_win = true;
        var winner_space = 100;

        // game play data
        var players = [];
        var player_history = []; // multi dim, last value is current place on board
        var game_over = false;

        // fixed data
        var ladders = [];
        ladders[4] = 14;
        ladders[12] = 31;
        ladders[20] = 38;
        ladders[28] = 84;
        ladders[36] = 44;
        ladders[40] = 42;
        ladders[51] = 67;
        ladders[80] = 100;
        ladders[90] = 91;

        var chutes = [];
        chutes[16] = 6;
        chutes[47] = 26;
        chutes[49] = 11;
        chutes[56] = 53;
        chutes[62] = 19;
        chutes[64] = 60;
        chutes[87] = 24;
        chutes[93] = 73;
        chutes[95] = 75;
        chutes[98] = 78;

        // mimic spinning a very fast spinner
        function spinWheel() {
            return Math.floor(Math.random() * spin_max) + spin_min;
        }

        // player takes their turn
        function takeTurn(player_index){
            var spinAmount = spinWheel();
            var currentPlayerHistory = player_history[player_index];
            // if no history, add a state for starting
            if (!currentPlayerHistory){
                currentPlayerHistory = [];
                currentPlayerHistory.push({
                    'space': 0,
                    'action': 'start'
                });
            }

            var currentPos = currentPlayerHistory[currentPlayerHistory.length - 1];
            var newSpace = currentPos.space + spinAmount;

            if (exact_space_win && newSpace > winner_space){
                currentPlayerHistory.push({
                    'space': currentPos.space,
                    'action': 'spin wheel (' + spinAmount + ') -- rolled over last space - (' + newSpace + ')'
                });
                player_history[player_index] = currentPlayerHistory; // put it back in
                return;
            }

            currentPlayerHistory.push({
                'space': newSpace,
                'action': 'spin wheel (' + spinAmount + ')'
            });

            if (ladders[newSpace]){
                newSpace = ladders[newSpace];
                currentPlayerHistory.push({
                    'space': newSpace,
                    'action': 'ladder up to (' + newSpace + ')'
                });
            }else if (chutes[newSpace]){
                newSpace = chutes[newSpace];
                currentPlayerHistory.push({
                    'space': newSpace,
                    'action': 'chute down to (' + newSpace + ')'
                });
            }
            player_history[player_index] = currentPlayerHistory; // put it back in history

            if (newSpace >= winner_space){
                game_over = true;
            }
        }

        function beginGame(){
            // reset game play data
            players = [];
            player_history = [];
            game_over = false;

            alert('Welcome to (computerized) Chutes and Ladders!');
            alert('I am going to play the game, but you tell me who is playing and pick your favorite character.');

            var player_count = 0;
            while(!(player_count > 1)){
                player_count = parseInt(prompt('How many players would you like to play?'));
                if (!(player_count > 1))
                    alert('Please choose at least 2 or more players.');
            }

            var player_name = '';
            var i = 0;
            for(; i < player_count; i++){
                player_name = prompt('Please provide a name for: Player ' + i);

                if (player_name == ''){
                    alert('It looks like you are done providing names, I will just fill in the rest.');
                    break;
                }else{
                    players[i] = player_name;
                }
            }

            for(; i < player_count; i++){
                players[i] = 'Bob ' + i;
            }

            var msg = 'Players: \n   ' + players.slice(0, 6).join('\n   ');
            if (players.length > 6){
                msg += '\n   ...and ' + ( players.length - 6) + ' others';
            }

            alert(msg);
            alert('Here we go!');
            var winner;
            while(!game_over){
                for(var k = 0; k < players.length; k++){
                    takeTurn(k);
                    if (game_over){
                        winner = k;
                        break;
                    }
                }
            }

            alert('Game Over - ' + players[winner] + ' won!');
            console.table(player_history[winner], ['space', 'action']);
            var player_selection = ''
            while(player_selection != 'y' && player_selection != 'n'){
                try {
                    player_selection = prompt('Play again? (y/n)').toLowerCase();
                } catch (error) {
                    break;
                }

                if (player_selection != 'y' && player_selection != 'n')
                    alert('Oops, try that again.')
                else
                    break;
            }

            if (player_selection.toLowerCase() == 'y'){
                beginGame();
            }else{
                alert('Thanks for playing, goodbye!');
            }
        }
    </script>
</body>
</html>
	<!-- this was just a rapid development program for fun -->
	<html>
	<body>
	<h1>Chutes and Ladders!</h1>
	<button onclick="beginGame()">Play Game</button>
	<img src="https://thumbs.dreamstime.com/z/s-board-games-chutes-ladders-woodbridge-new-jersey-october-circa-game-shown-128701391.jpg" />
	<script>
	// general configs
	var spin_min = 1, spin_max = 6;
	var exact_space_win = true;
	var winner_space = 100;

	// game play data
	var players = [];
	var player_history = []; // multi dim, last value is current place on board
	var game_over = false;

	// fixed data
	var ladders = [];
	ladders[4] = 14;
	ladders[12] = 31;
	ladders[20] = 38;
	ladders[28] = 84;
	ladders[36] = 44;
	ladders[40] = 42;
	ladders[51] = 67;
	ladders[80] = 100;
	ladders[90] = 91;

	var chutes = [];
	chutes[16] = 6;
	chutes[47] = 26;
	chutes[49] = 11;
	chutes[56] = 53;
	chutes[62] = 19;
	chutes[64] = 60;
	chutes[87] = 24;
	chutes[93] = 73;
	chutes[95] = 75;
	chutes[98] = 78;

	// mimic spinning a very fast spinner
	function spinWheel() {
	return Math.floor(Math.random() * spin_max) + spin_min;
	}

	// player takes their turn
	function takeTurn(player_index){
	var spinAmount = spinWheel();
	var currentPlayerHistory = player_history[player_index];
	// if no history, add a state for starting
	if (!currentPlayerHistory){
	currentPlayerHistory = [];
	currentPlayerHistory.push({
	'space': 0,
	'action': 'start'
	});
	}

	var currentPos = currentPlayerHistory[currentPlayerHistory.length - 1];
	var newSpace = currentPos.space + spinAmount;

	if (exact_space_win && newSpace > winner_space){
	currentPlayerHistory.push({
	'space': currentPos.space,
	'action': 'spin wheel (' + spinAmount + ') -- rolled over last space - (' + newSpace + ')'
	});
	player_history[player_index] = currentPlayerHistory; // put it back in
	return;
	}

	currentPlayerHistory.push({
	'space': newSpace,
	'action': 'spin wheel (' + spinAmount + ')'
	});

	if (ladders[newSpace]){
	newSpace = ladders[newSpace];
	currentPlayerHistory.push({
	'space': newSpace,
	'action': 'ladder up to (' + newSpace + ')'
	});
	}else if (chutes[newSpace]){
	newSpace = chutes[newSpace];
	currentPlayerHistory.push({
	'space': newSpace,
	'action': 'chute down to (' + newSpace + ')'
	});
	}
	player_history[player_index] = currentPlayerHistory; // put it back in history

	if (newSpace >= winner_space){
	game_over = true;
	}
	}

	function beginGame(){
	// reset game play data
	players = [];
	player_history = [];
	game_over = false;

	alert('Welcome to (computerized) Chutes and Ladders!');
	alert('I am going to play the game, but you tell me who is playing and pick your favorite character.');

	var player_count = 0;
	while(!(player_count > 1)){
	player_count = parseInt(prompt('How many players would you like to play?'));
	if (!(player_count > 1))
	alert('Please choose at least 2 or more players.');
	}

	var player_name = '';
	var i = 0;
	for(; i < player_count; i++){
	player_name = prompt('Please provide a name for: Player ' + i);

	if (player_name == ''){
	alert('It looks like you are done providing names, I will just fill in the rest.');
	break;
	}else{
	players[i] = player_name;
	}
	}

	for(; i < player_count; i++){
	players[i] = 'Bob ' + i;
	}

	var msg = 'Players: \n ' + players.slice(0, 6).join('\n ');
	if (players.length > 6){
	msg += '\n ...and ' + ( players.length - 6) + ' others';
	}

	alert(msg);
	alert('Here we go!');
	var winner;
	while(!game_over){
	for(var k = 0; k < players.length; k++){
	takeTurn(k);
	if (game_over){
	winner = k;
	break;
	}
	}
	}

	alert('Game Over - ' + players[winner] + ' won!');
	console.table(player_history[winner], ['space', 'action']);
	var player_selection = ''
	while(player_selection != 'y' && player_selection != 'n'){
	try {
	player_selection = prompt('Play again? (y/n)').toLowerCase();
	} catch (error) {
	break;
	}

	if (player_selection != 'y' && player_selection != 'n')
	alert('Oops, try that again.')
	else
	break;
	}

	if (player_selection.toLowerCase() == 'y'){
	beginGame();
	}else{
	alert('Thanks for playing, goodbye!');
	}
	}
	</script>
	</body>
	</html>