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simple snake done...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2017-04-06 02:10:41 +03:00
parent fa3fd7679b
commit 4232171669
1 changed files with 84 additions and 49 deletions
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133
jsssnake/simplesnake.html
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@ -8,12 +8,9 @@
border: solid 1px silver;
}
</style>
<script>
// XXX add random apple and snake placement + avoid walls and other stuff...
// XXX normalize x/y everywhere we input coordinates...
var Snake = {
config: {
@ -115,6 +112,7 @@ var Snake = {
} else if(next.style.backgroundColor == that.config.apple_color){
age += 1
move = true
that.appleEaten()
// empty...
// NOTE: anything but an apple will kill the snake...
@ -149,6 +147,13 @@ var Snake = {
this.players = {}
return this
},
clear: function(){
this.setup()
this._cells.forEach(function(c){ c.style.backgroundColor = '' })
this.players = {}
delete this.__appleEatenHandlers
return this
},
// constructors...
// XXX normalize input x/y...
@ -194,6 +199,23 @@ var Snake = {
return this
},
// events...
appleEaten: function(func){
if(func){
var handlers = this.__appleEatenHandlers = this.__appleEatenHandlers || []
handlers.push(func)
} else {
var that = this
this.__appleEatenHandlers
&& this.__appleEatenHandlers
.forEach(function(handler){
handler.call(that)
})
}
return this
},
// actions...
start: function(t){
this.__timer = this.__timer
@ -217,6 +239,63 @@ var Snake = {
}
var Levels = {
basicLevel: function(){
return this
.wall({x:3, y:10}, 's', 11)
.wall({x:3, y:5}, 'e', 5)
.wall({x:3+5, y:5}, 's', 5)
.wall({x:3+5, y:5+4}, 'e', 12) },
randomLevel: function(){
return this
.wall(null, 's', 11)
.wall(null, 's', 11)
.wall(null, 'e', 11)
.wall(null, 'e', 11) },
}
Snake.__proto__ = Levels
var HANDLER_SET = false
var KEY_CONFIG = {
ArrowLeft: 'left',
ArrowRight: 'right',
}
function kbHandler(event){
var action = KEY_CONFIG[event.key]
action
&& action in Snake
&& Snake[action]()
}
function setup(){
Snake
.setup('.snake')
// make setup(..) re-enterable..
.stop()
.clear()
//.randomLevel()
//.basicLevel()
.appleEaten(function(){ this.apple() })
.apple()
.apple()
.snake('blue', null, 's', 3)
.start(300)
// setup kb handler (only once)...
if(!HANDLER_SET){
document.addEventListener('keydown', kbHandler)
HANDLER_SET = true
}
}
function test(game){
return Snake
.setup(game || '.snake')
@ -235,54 +314,10 @@ function test(game){
.start()
}
// XXX keyboard controller...
// - press two buttons in under N milliseconds to launch a snake
// - first button pressed is left, second is right
// XXX should the cfg be global or local to Snake???
// ...at this point global seems simpler...
var KEY_CONFIG = {
}
function kbHandler(event){
// XXX
}
var Levels = {
basicLevel: function(){
return this
.wall({x:3, y:10}, 's', 11)
.wall({x:3, y:5}, 'e', 5)
.wall({x:3+5, y:5}, 's', 5)
.wall({x:3+5, y:5+4}, 'e', 12) },
randomLevel: function(){
return this
.wall(null, 's', 11)
.wall(null, 's', 11)
.wall(null, 'e', 11)
.wall(null, 'e', 11) },
}
Snake.__proto__ = Levels
function setup(){
Snake
.setup('.snake')
//.randomLevel()
.basicLevel()
.apple()
.apple()
.start()
// XXX setup kb handler...
// XXX
}
</script>
<head> <title>Simple Snake</title> </head>
<body onload="setup()">
<table class="snake field" cellspacing="0">