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some refactoring + working on bug...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2017-04-07 13:58:44 +03:00
parent a76b97a271
commit 4db1c6254a
1 changed files with 12 additions and 8 deletions
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20
jsssnake/simplesnake.html
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@ -64,11 +64,9 @@ var Snake = {
// ...looks like the only corner case... // ...looks like the only corner case...
_tick: function(){ _tick: function(){
var that = this var that = this
var l = this._cells.length var l = this._cells.length
var w = this.field_size.width var w = this.field_size.width
var h = this.field_size.height var h = this.field_size.height
var tick = this.__tick = (this.__tick + 1 || 0) var tick = this.__tick = (this.__tick + 1 || 0)
var directions = 'neswn' var directions = 'neswn'
@ -94,12 +92,12 @@ var Snake = {
// head... // head...
var direction = cell.direction var direction = cell.direction
var next = var next =
direction == 'n' ? (i < w ? l - w + i : i - w) direction == 'n' ? (i < w ? l - w + i : i - w)
: direction == 's' ? (i > (l-w) ? i - (l-w) : i + w) // XXX BUG: this returns 256 when at x = 0...
: direction == 'e' ? ((i+1)%w == 0 ? i - (w-1) : i + 1) : direction == 's' ? (i > (l-w) ? i - (l-w) : i + w)
: direction == 'w' ? (i%w == 0 ? i + (w-1) : i - 1) : direction == 'e' ? ((i+1)%w == 0 ? i - (w-1) : i + 1)
: direction == 'w' ? (i%w == 0 ? i + (w-1) : i - 1)
: null : null
if(next != null){ if(next != null){
next = that._cells[next] next = that._cells[next]
@ -115,6 +113,7 @@ var Snake = {
var age = cell.age var age = cell.age
var move = false var move = false
// special case: other snake's head -- kill both... // special case: other snake's head -- kill both...
if(next.direction){ if(next.direction){
var other = next.style.backgroundColor var other = next.style.backgroundColor
@ -171,7 +170,9 @@ var Snake = {
return this return this
}, },
clear: function(){ clear: function(){
// this resets the cell object attrs...
this.setup() this.setup()
// reset the actual cells...
this._cells.forEach(function(c){ c.style.backgroundColor = '' }) this._cells.forEach(function(c){ c.style.backgroundColor = '' })
this.players = {} this.players = {}
delete this.__appleEatenHandlers delete this.__appleEatenHandlers
@ -239,6 +240,8 @@ var Snake = {
delete this.__tick delete this.__tick
return this return this
}, },
pause: function(){
return this.__timer ? this.stop() : this.start() },
left: function(color){ left: function(color){
this.players[color || Object.keys(this.players)[0]] = 'left' this.players[color || Object.keys(this.players)[0]] = 'left'
return this return this
@ -270,11 +273,12 @@ var HANDLER_SET = false
var KEY_CONFIG = { var KEY_CONFIG = {
ArrowLeft: ['left'], ArrowLeft: ['left'],
ArrowRight: ['right'], ArrowRight: ['right'],
' ': ['pause'],
} }
function kbHandler(event){ function kbHandler(event){
var action = KEY_CONFIG[event.key] var action = KEY_CONFIG[event.key]
action action
&& action in Snake && action[0] in Snake
&& Snake[action[0]].apply(Snake, action.slice(1)) && Snake[action[0]].apply(Snake, action.slice(1))
} }