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level generators + some tweaking...

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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 01:21:32 +03:00
parent b927992e7f
commit fa3fd7679b
1 changed files with 55 additions and 18 deletions
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73
jsssnake/simplesnake.html
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@ -27,6 +27,22 @@ var Snake = {
players: null, players: null,
field_size: null, field_size: null,
// utils...
random_point: function(){
var cells = this._cells
var l = cells.length
var w = this.field_size.width
do {
var i = Math.floor(Math.random() * l)
} while(cells[i].style.backgroundColor != '')
return {
x: i%w,
y: Math.floor(i/w),
}
},
// XXX BUG: going down into bottom left corner breaks the snake... // XXX BUG: going down into bottom left corner breaks the snake...
// ...check other corner cases! // ...check other corner cases!
// ...looks like the only corner case... // ...looks like the only corner case...
@ -136,9 +152,9 @@ var Snake = {
// constructors... // constructors...
// XXX normalize input x/y... // XXX normalize input x/y...
snake: function(color, x, y, direction, age){ snake: function(color, point, direction, age){
var head = this._cells[x + y * this.field_size.width] point = point || this.random_point()
var head = this._cells[point.x + point.y * this.field_size.width]
head.style.backgroundColor = color head.style.backgroundColor = color
head.direction = direction head.direction = direction
head.age = (age || 5) - 1 head.age = (age || 5) - 1
@ -147,12 +163,16 @@ var Snake = {
return this return this
}, },
apple: function(x, y){ apple: function(point){
this._cells[x + y * this.field_size.width] point = point || this.random_point()
this._cells[point.x + point.y * this.field_size.width]
.style.backgroundColor = this.config.apple_color .style.backgroundColor = this.config.apple_color
return this return this
}, },
wall: function(x, y, direction, length){ wall: function(point, direction, length){
point = point || this.random_point()
var x = point.x
var y = point.y
length = length || 1 length = length || 1
while(length > 0){ while(length > 0){
this._cells[x + y * this.field_size.width] this._cells[x + y * this.field_size.width]
@ -175,9 +195,9 @@ var Snake = {
}, },
// actions... // actions...
start: function(){ start: function(t){
this.__timer = this.__timer this.__timer = this.__timer
|| setInterval(this._tick.bind(this), this.config.interval || 200) || setInterval(this._tick.bind(this), t || this.config.interval || 200)
return this return this
}, },
stop: function(){ stop: function(){
@ -202,15 +222,15 @@ function test(game){
.setup(game || '.snake') .setup(game || '.snake')
// XXX BUG: this will break as soon as it reaches the corner... // XXX BUG: this will break as soon as it reaches the corner...
.snake('blue', 0, 0, 's', 5) .snake('blue', {x:0, y:0}, 's', 5)
// hit an apple... // hit an apple...
.snake('green', 5, 3, 's', 5) .snake('green', {x:5, y:3}, 's', 5)
.apple(5, 5) .apple({x:5, y:5})
// hit a wall... // hit a wall...
.snake('silver', 14, 3, 'w', 5) .snake('silver', {x:14, y:3}, 'w', 5)
.wall(2, 14, 's', 7) .wall({x:2, y:14}, 's', 7)
.start() .start()
} }
@ -228,15 +248,32 @@ function kbHandler(event){
} }
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(){ function setup(){
Snake Snake
.setup('.snake') .setup('.snake')
// setup base level...
.wall(2, 10, 's', 11) //.randomLevel()
.wall(2, 5, 'e', 5) .basicLevel()
.wall(2+5, 5, 's', 5)
.wall(2+5, 5+4, 'e', 12) .apple()
.apple()
.start() .start()