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unstable-vampire.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Unstable Vampire</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
html, body {
margin: 0;
padding: 0;
height: 100%;
background-color: #312;
color: #dd3;
font-family: monospace;
font-size: 20px;
}
#main {
max-width: 70%;
margin: 0 auto;
height: 100%;
display: flex;
flex-direction: column;
}
.spacer {
flex: 1;
}
#start {
display: block;
padding: 1em;
font-size: 2em;
text-align: center;
}
#command-form {
padding-top: 1em;
padding-bottom: 1em;
}
#command {
width: 100%;
border: none;
outline: none;
border-bottom: 3px solid;
background: none;
font-family: inherit;
font-size: inherit;
color: inherit;
padding: .2em;
}
#game {
flex: 1;
}
#game p {
padding: 4px 10px;
}
.info { border-left: 5px solid #999; }
.info.warning {
border-color: #e89f28;
/*color: #e89f28;
background-color: #6b371f;*/
}
.info.success {
border-color: #70c12a;
/*color: #70c12a;
background-color: #2a4a25;*/
}
.info.fail {
border-color: #d63d3d;
/*color: #d63d3d;
background-color: #56160f;*/
}
span.warning {
color: #e89f28;
}
span.success {
color: #70c12a;
}
.command-line {
text-align: right;
}
.command-line.invalid {
text-decoration: line-through;
opacity: .5;
}
.suggest {
color: white;
border-bottom: 1px solid;
}
</style>
</head>
<body>
<div id="main">
<div class="spacer"></div>
<div id="game">
<div id="start">
Type <span class="suggest">run</span> to begin
</div>
</div>
<form id="command-form">
<input id="command" autocomplete="off">
</form>
</div>
<script>
;(function () {
var main = document.getElementById('main')
var game = document.getElementById('game')
var form = document.getElementById('command-form')
var cmd = document.getElementById('command')
var startBtn = document.getElementById('start')
var VampireP
var startTime
var isWaiting = true
var meters = 0
var interval
var item
var ammo
var weapon
var record = window.localStorage ? +window.localStorage['text_runner_record'] || 0 : 0
var startItem = {
next: ['start'],
run: function () {
step()
}
}
var defaultCommands = {}
var gameCommands = {
shoot: function () {
if (!weapon)
return say('You don\'t have any weapon', 'warning')
if (weapon.ammo <= 0)
return say('You don\'t have any arrows left, try to <span class="suggest">reload</span>', 'warning')
weapon.ammo--
var closestVampire = Vampires.sort(function (z1, z2) { return z2.meters - z1.meters })[0]
if (!closestVampire)
return say('There is no Vampire, you wasted an arrow')
var i = Vampires.indexOf(closestVampire)
Vampires.splice(i, 1)
if (!Vampires.length)
return say('You killed the last Vampire, you can take a breath', 'success')
say('You killed a Vampire, there ' + (Vampires.length == 1 ? 'is one Vampire' : 'are ' + Vampires.length + ' Vampires') + ' left', 'success')
},
reload: function () {
if (!weapon)
return say('You don\'t have any weapon to rearm', 'warning')
if (ammo <= 0)
return say('You don\'t have any arrows left')
ammo--
weapon.ammo = 4
say('You rearmed your bow', 'success')
}
}
var lastGunAt = 0
var nextItems = {
Vampire: function () {
var i = rand(0, 1)
console.log('next Vampire', i)
if (i === 0)
return 'VampireLeft'
return 'VampireRight'
},
gun: function () {
if (meters - lastGunAt < 20 || ammo >= 2)
return 'floor'
if (weapon)
return 'ammo'
lastGunAt = meters
return 'gun'
}
}
var items = {
start: {
description: 'You have one Vampire following you, you better <span class="suggest">run</span>!',
next: ['floor'],
run: function () { step() },
jump: function () { step() }
},
floor: {
next: ['floor', 'floor', 'floor', 'floor', 'wall', 'wall', nextItems.Vampire, nextItems.gun],
run: function () { step() },
jump: function () { step() }
},
wall: {
next: ['floor'],
description: 'You came to a wall',
color: 'warning',
run: function () {
say('You cannot run through a wall, try to <span class="suggest">jump</span> it', 'warning')
},
jump: function () {
say('You jumped the wall', 'success')
step()
}
},
VampireRight: {
description: 'A Vampire growls at your right',
color: 'warning',
next: ['floor'],
__init: function () {
addVampire(meters - 2)
},
run: function () {
say('You ran onto the Vampire and it bit you. You had to dodge it going <span class="suggest">left</span>', 'fail'),
die()
},
jump: function () {
say('You jumped onto the Vampire and it bit you. You had to dodge it going <span class="suggest">left</span>', 'fail')
die()
},
left: function () {
say('You dodged the Vampire!', 'success')
step()
},
right: function () {
say('You ran onto the Vampire and it bit you. You had to dodge it going <span class="suggest">left</span>', 'fail'),
die()
}
},
VampireLeft: {
description: 'A Vampire shrieks at your left',
color: 'warning',
next: ['floor'],
__init: function () {
addVampire(meters - 2)
},
run: function () {
say('You ran onto the Vampire and it bit you. You had to dodge it going <span class="suggest">right</span>', 'fail'),
die()
},
jump: function () {
say('You jumped onto the Vampire and it bit you. You had to dodge it going <span class="suggest">right</span>', 'fail')
die()
},
right: function () {
say('You dodged the Vampire!', 'success')
step()
},
left: function () {
say('You ran onto the Vampire and it bit you. You had to dodge it going <span class="suggest">right</span>', 'fail'),
die()
}
},
gun: {
description: 'You found a bow. You can <span class="suggest">grab</span> it or keep <span class="suggest">run</span>ning',
next: ['floor'],
grab: function () {
weapon = { ammo: 4 }
say('You took the bow, now you can <span class="suggest">shoot</span> the Vampires', 'success')
step(0)
},
run: function () {
step()
},
jump: function () {
step()
}
},
ammo: {
description: 'You found an arrow, you can <span class="suggest">grab</span> them or keep <span class="suggest">run</span>ning',
next: ['floor'],
grab: function () {
ammo++
say('You took ammo', 'success')
step(0)
},
run: function () {
step()
},
jump: function () {
step()
}
}
}
var Vampires = []
cmd.focus()
document.body.onclick = function () {
cmd.focus()
}
form.onsubmit = function (e) {
e.preventDefault()
var command = cmd.value.trim().toLowerCase()
if (command) {
if (isWaiting) {
if (command === 'run') {
start()
doCommand(command)
}
} else {
doCommand(command)
}
}
cmd.value = ''
cmd.focus()
return false
}
function start () {
game.innerHTML = ''
isWaiting = false
meters = 0
Vampires = []
weapon = null
ammo = 0
startTime = Date.now()
addVampire(-3)
item = startItem
step()
cmd.focus()
interval = setTimeout(loop, 1000)
}
function die () {
if (interval)
clearTimeout(interval)
cmd.value = ''
var sec = Math.floor((Date.now() - startTime) / 1000)
if (sec > record) {
record = sec
if (window.localStorage)
localStorage['text_runner_record'] = record
}
var dieMessage = 'You escaped for <span class="success">' + sec + '</span> seconds'
if (record) {
if (record === sec)
dieMessage += '<br>This is your best time!'
else
dieMessage += '<br>Your best time is <span class="success">' + record + '</span> seconds'
}
say(dieMessage)
game.appendChild(startBtn)
isWaiting = true
scroll()
}
function step(dist) {
if (typeof dist === 'undefined')
dist = 1
meters += dist
var nextItemName = randItem(item.next)
if (typeof nextItemName === 'function')
nextItemName = nextItemName()
item = items[nextItemName]
if (item.description)
say(item.description, item.color)
if (item.__init)
item.__init()
commands = assignMethods({}, defaultCommands, gameCommands, item)
}
function doCommand (text) {
var command = commands[text]
var p = line('command-line ' + (command ? '' : 'invalid'))
p.innerText = text
scroll()
if (command)
command()
}
function addVampire(position) {
Vampires.push({
meters: position
})
}
function loop () {
var maxPosition = -1000
// make Vampires walk
Vampires.forEach(function (Vampire) {
Vampire.meters++
if (Vampire.meters > maxPosition)
maxPosition = Vampire.meters
})
var distance = meters - maxPosition
if (!Vampires.length) {
addVampire(meters - 3)
say('Another Vampire arrived and started to chase you')
scroll()
interval = setTimeout(loop, 2000)
} else if (distance === 0) {
say((Vampires.length > 1 ? 'Vampires' : 'The Vampire') + ' bit you. You didn\'t <span class="suggest">run</span> enough', 'fail')
die()
} else {
var p = game.lastChild === VampireP ? VampireP : line()
VampireP = p
var distanceSpan = distance > 3 ? distance : '<span class="warning">' + distance + '</span>'
p.innerHTML = [(Vampires.length == 1 ? 'The Vampire is ' : 'Vampires are '),
distanceSpan,
' meter', (distance > 1 ? 's' : ''), ' behind you'].join('')
scroll()
interval = setTimeout(loop, 2000)
}
}
/** utils */
function say (text, type) {
var p = line('info ' + (type || ''), )
p.innerHTML = text
scroll()
}
function line (type) {
var p = document.createElement('p')
p.className = 'line ' + (type || '')
game.appendChild(p)
return p
}
function rand (min, max) {
return Math.floor(Math.random() * (max + 1 - min)) + min
}
function randItem(ar) {
return ar[rand(0, ar.length - 1)]
}
function assignMethods (objects) {
var ret
for (var i = 0; i < arguments.length; i++) {
var obj = arguments[i]
ret = ret || obj
for (var p in obj) {
if (typeof obj[p] !== 'function')
continue
ret[p] = obj[p]
}
}
return ret
}
function scroll () {
window.scrollTo(0, document.body.scrollHeight)
}
})()
</script>
</body>
</html>