Created
February 4, 2015 23:18
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// source http://jsbin.com/payogi
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>JS Bin</title> | |
<style id="jsbin-css"> | |
#space { | |
margin: 20px; | |
border: 1px solid #aaa; | |
display: inline-block; | |
} | |
.line > div { | |
color: #ddd; | |
width: 20px; | |
height: 20px; | |
text-align: center; | |
vertical-align: middle; | |
display: inline-block; | |
border: 1px solid #eef; | |
} | |
.white { | |
background-color: #eff; | |
} | |
.black { | |
background-color: #666; | |
} | |
</style> | |
</head> | |
<body onkeypress="keys()"> | |
<div id="space"></div> | |
<script id="jsbin-javascript"> | |
var | |
_zarr = function(len) { // create len array with zero | |
return Array(len).join(0).split('').map(Number); | |
}, | |
_rclarr = function(arr) { // deep clone array | |
return typeof arr == 'object' ? [].map.call(arr, _rclarr) : arr; | |
}, | |
tetrisWidth = 20, | |
tetrisHeight = 30, | |
tetrisFigs = [ | |
[ [1,1,1], | |
[0,1,0] ], | |
[ [1,1,0], | |
[0,1,1] ], | |
[ [0,1,1], | |
[1,1,0] ], | |
[ [1,1,1], | |
[0,0,1] ], | |
[ [1,1,1], | |
[1,0,0] ], | |
[ [1,1], | |
[1,1] ], | |
[ [1,1,1,1] ] | |
], | |
tetris = {}, | |
viewwork = {}; | |
tetris = { | |
state: _zarr(tetrisHeight+4).map(function(){ | |
return _zarr(tetrisWidth+1); | |
}), | |
currPos: {x: null, y: null, dx: null, dy: null}, | |
currFig: null, | |
possFig: _rclarr(tetrisFigs), | |
checkPos: function(x, y, fig) { | |
var self = this; | |
fig = fig || this.currFig; | |
return fig.every(function(l,i){ | |
return l.every(function(e,j){ | |
return e + self.state[i + y][j + x] < 2; | |
}); | |
}); | |
}, | |
calcState: function() { | |
var self = this; | |
this.state.forEach(function(l,i) { | |
if (l.some(function(e){return e === 0;})) return; | |
self.state.splice(i,1); | |
self.state.push(_zarr(self.state[0].length + 1)); | |
}); | |
}, | |
showState: function() { | |
var self = this; | |
var res = _rclarr(this.state); | |
if (this.currFig) { | |
if (!this.checkPos(this.currPos.x, this.currPos.y)) return res; | |
self.currFig.forEach(function(l,i){ | |
l.forEach(function(e,j){ | |
res[i + self.currPos.y][j + self.currPos.x] += e; | |
}); | |
}); | |
} | |
return res; | |
}, | |
saveState: function() { | |
this.state = this.showState(); | |
this.currFig = null; | |
this.currPos = {x: null, y: null, dx: null, dy: null}; | |
this.calcState(); | |
}, | |
moveRL: function(s) { | |
if (this.currPos.x + s < 0) return; | |
if (this.currPos.x + this.currFig[0].length + s > this.state[0].length) return; | |
if (!this.checkPos(this.currPos.x + s, this.currPos.y)) return; | |
this.currPos.x += s; | |
}, | |
moveD: function() { | |
if (!this.currFig) return; | |
if (this.currPos.y - 1 < 0 || | |
!this.checkPos(this.currPos.x, this.currPos.y - 1)) { | |
this.saveState(); | |
} else { | |
this.currPos.y -= 1; | |
} | |
}, | |
fullD: function() { | |
if (!this.currFig) return; | |
this.moveD(); | |
this.fullD(); | |
}, | |
showTurn: function() { | |
if (!this.currFig) return; | |
var self = this; | |
return _rclarr(self.currFig)[0].map(function(e,i){ | |
return _rclarr(self.currFig).map(function(l,j){ | |
return _rclarr(self.currFig)[j][self.currFig[0].length - i -1]; | |
}); | |
}); | |
}, | |
rotate: function() { | |
if (!this.currFig) return; | |
var self = this; | |
var nf = self.showTurn(); | |
var dx = Math.floor((self.currFig[0].length - nf[0].length) / 2); | |
var dy = Math.floor((self.currFig.length - nf.length) / 2); | |
dx = self.currPos.dx === null ? dx : -self.currPos.dx; | |
dy = self.currPos.dy === null ? dy : -self.currPos.dy; | |
if (self.currPos.x + dx < 0) dx = -self.currPos.x; | |
if (self.currPos.x + dx + nf[0].length > self.state[0].length) dx = self.state[0].length - self.currPos.x - nf[0].length; | |
if (!self.checkPos(self.currPos.x + dx, self.currPos.y + dy, nf)) return; | |
self.currFig = _rclarr(nf); | |
self.currPos = {x: self.currPos.x + dx, y: self.currPos.y + dy, dx: dx, dy: dy}; | |
}, | |
newFig: function() { | |
if (this.currFig) return; | |
var self = this; | |
var rnd = Math.max(Math.floor(Math.random()*this.possFig.length - 0.1), 0) ; | |
this.currFig = _rclarr(this.possFig[rnd]); | |
this.currPos.x = Math.floor(this.state[0].length / 2 - this.currFig[0].length / 2); | |
this.currPos.y = this.state.length - this.currFig.length - 3; | |
_zarr(Math.floor(Math.random()*4)).forEach(function(){ | |
self.rotate(); | |
}); | |
}, | |
out: function() { | |
return this.showState().slice(0, this.showState().length - 3); | |
} | |
}; | |
viewwork = { | |
init: function() { | |
document.addEventListener('keyup', function(e){ | |
switch (e.keyCode) { | |
case 37: // left | |
tetris.moveRL(-1); | |
break; | |
case 39: // right | |
tetris.moveRL(1); | |
break; | |
case 38: // up - rotate | |
tetris.rotate(); | |
break; | |
case 40: // down | |
tetris.fullD(); | |
viewwork.iterate(); | |
break; | |
} | |
}); | |
viewwork.iterate(); | |
}, | |
draw: function() { | |
var space = document.getElementById('space'); | |
var pole = document.createElement('div'); | |
pole.innerHTML = tetris.out().reverse().map(function(l){ | |
return '<div class="line">' + l.map(function(e){ | |
return (e ? '<div class="black">' : '<div class="white">') + e + '</div>'; | |
}).join('') + '</div>'; | |
}).join(''); | |
while (space.firstChild) { | |
space.removeChild(space.firstChild); | |
} | |
space.appendChild(pole); | |
}, | |
iterate: function() { | |
tetris.moveD(); | |
viewwork.draw(); | |
tetris.calcState(); | |
tetris.newFig(); | |
viewwork.draw(); | |
} | |
}; | |
viewwork.init(); | |
setInterval(function(){ | |
viewwork.iterate(); | |
}, 500); | |
</script> | |
<script id="jsbin-source-css" type="text/css">#space { | |
margin: 20px; | |
border: 1px solid #aaa; | |
display: inline-block; | |
} | |
.line > div { | |
color: #ddd; | |
width: 20px; | |
height: 20px; | |
text-align: center; | |
vertical-align: middle; | |
display: inline-block; | |
border: 1px solid #eef; | |
} | |
.white { | |
background-color: #eff; | |
} | |
.black { | |
background-color: #666; | |
} | |
</script> | |
<script id="jsbin-source-javascript" type="text/javascript">var | |
_zarr = function(len) { // create len array with zero | |
return Array(len).join(0).split('').map(Number); | |
}, | |
_rclarr = function(arr) { // deep clone array | |
return typeof arr == 'object' ? [].map.call(arr, _rclarr) : arr; | |
}, | |
tetrisWidth = 20, | |
tetrisHeight = 30, | |
tetrisFigs = [ | |
[ [1,1,1], | |
[0,1,0] ], | |
[ [1,1,0], | |
[0,1,1] ], | |
[ [0,1,1], | |
[1,1,0] ], | |
[ [1,1,1], | |
[0,0,1] ], | |
[ [1,1,1], | |
[1,0,0] ], | |
[ [1,1], | |
[1,1] ], | |
[ [1,1,1,1] ] | |
], | |
tetris = {}, | |
viewwork = {}; | |
tetris = { | |
state: _zarr(tetrisHeight+4).map(function(){ | |
return _zarr(tetrisWidth+1); | |
}), | |
currPos: {x: null, y: null, dx: null, dy: null}, | |
currFig: null, | |
possFig: _rclarr(tetrisFigs), | |
checkPos: function(x, y, fig) { | |
var self = this; | |
fig = fig || this.currFig; | |
return fig.every(function(l,i){ | |
return l.every(function(e,j){ | |
return e + self.state[i + y][j + x] < 2; | |
}); | |
}); | |
}, | |
calcState: function() { | |
var self = this; | |
this.state.forEach(function(l,i) { | |
if (l.some(function(e){return e === 0;})) return; | |
self.state.splice(i,1); | |
self.state.push(_zarr(self.state[0].length + 1)); | |
}); | |
}, | |
showState: function() { | |
var self = this; | |
var res = _rclarr(this.state); | |
if (this.currFig) { | |
if (!this.checkPos(this.currPos.x, this.currPos.y)) return res; | |
self.currFig.forEach(function(l,i){ | |
l.forEach(function(e,j){ | |
res[i + self.currPos.y][j + self.currPos.x] += e; | |
}); | |
}); | |
} | |
return res; | |
}, | |
saveState: function() { | |
this.state = this.showState(); | |
this.currFig = null; | |
this.currPos = {x: null, y: null, dx: null, dy: null}; | |
this.calcState(); | |
}, | |
moveRL: function(s) { | |
if (this.currPos.x + s < 0) return; | |
if (this.currPos.x + this.currFig[0].length + s > this.state[0].length) return; | |
if (!this.checkPos(this.currPos.x + s, this.currPos.y)) return; | |
this.currPos.x += s; | |
}, | |
moveD: function() { | |
if (!this.currFig) return; | |
if (this.currPos.y - 1 < 0 || | |
!this.checkPos(this.currPos.x, this.currPos.y - 1)) { | |
this.saveState(); | |
} else { | |
this.currPos.y -= 1; | |
} | |
}, | |
fullD: function() { | |
if (!this.currFig) return; | |
this.moveD(); | |
this.fullD(); | |
}, | |
showTurn: function() { | |
if (!this.currFig) return; | |
var self = this; | |
return _rclarr(self.currFig)[0].map(function(e,i){ | |
return _rclarr(self.currFig).map(function(l,j){ | |
return _rclarr(self.currFig)[j][self.currFig[0].length - i -1]; | |
}); | |
}); | |
}, | |
rotate: function() { | |
if (!this.currFig) return; | |
var self = this; | |
var nf = self.showTurn(); | |
var dx = Math.floor((self.currFig[0].length - nf[0].length) / 2); | |
var dy = Math.floor((self.currFig.length - nf.length) / 2); | |
dx = self.currPos.dx === null ? dx : -self.currPos.dx; | |
dy = self.currPos.dy === null ? dy : -self.currPos.dy; | |
if (self.currPos.x + dx < 0) dx = -self.currPos.x; | |
if (self.currPos.x + dx + nf[0].length > self.state[0].length) dx = self.state[0].length - self.currPos.x - nf[0].length; | |
if (!self.checkPos(self.currPos.x + dx, self.currPos.y + dy, nf)) return; | |
self.currFig = _rclarr(nf); | |
self.currPos = {x: self.currPos.x + dx, y: self.currPos.y + dy, dx: dx, dy: dy}; | |
}, | |
newFig: function() { | |
if (this.currFig) return; | |
var self = this; | |
var rnd = Math.max(Math.floor(Math.random()*this.possFig.length - 0.1), 0) ; | |
this.currFig = _rclarr(this.possFig[rnd]); | |
this.currPos.x = Math.floor(this.state[0].length / 2 - this.currFig[0].length / 2); | |
this.currPos.y = this.state.length - this.currFig.length - 3; | |
_zarr(Math.floor(Math.random()*4)).forEach(function(){ | |
self.rotate(); | |
}); | |
}, | |
out: function() { | |
return this.showState().slice(0, this.showState().length - 3); | |
} | |
}; | |
viewwork = { | |
init: function() { | |
document.addEventListener('keyup', function(e){ | |
switch (e.keyCode) { | |
case 37: // left | |
tetris.moveRL(-1); | |
break; | |
case 39: // right | |
tetris.moveRL(1); | |
break; | |
case 38: // up - rotate | |
tetris.rotate(); | |
break; | |
case 40: // down | |
tetris.fullD(); | |
viewwork.iterate(); | |
break; | |
} | |
}); | |
viewwork.iterate(); | |
}, | |
draw: function() { | |
var space = document.getElementById('space'); | |
var pole = document.createElement('div'); | |
pole.innerHTML = tetris.out().reverse().map(function(l){ | |
return '<div class="line">' + l.map(function(e){ | |
return (e ? '<div class="black">' : '<div class="white">') + e + '</div>'; | |
}).join('') + '</div>'; | |
}).join(''); | |
while (space.firstChild) { | |
space.removeChild(space.firstChild); | |
} | |
space.appendChild(pole); | |
}, | |
iterate: function() { | |
tetris.moveD(); | |
viewwork.draw(); | |
tetris.calcState(); | |
tetris.newFig(); | |
viewwork.draw(); | |
} | |
}; | |
viewwork.init(); | |
setInterval(function(){ | |
viewwork.iterate(); | |
}, 500); | |
</script></body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#space { | |
margin: 20px; | |
border: 1px solid #aaa; | |
display: inline-block; | |
} | |
.line > div { | |
color: #ddd; | |
width: 20px; | |
height: 20px; | |
text-align: center; | |
vertical-align: middle; | |
display: inline-block; | |
border: 1px solid #eef; | |
} | |
.white { | |
background-color: #eff; | |
} | |
.black { | |
background-color: #666; | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var | |
_zarr = function(len) { // create len array with zero | |
return Array(len).join(0).split('').map(Number); | |
}, | |
_rclarr = function(arr) { // deep clone array | |
return typeof arr == 'object' ? [].map.call(arr, _rclarr) : arr; | |
}, | |
tetrisWidth = 20, | |
tetrisHeight = 30, | |
tetrisFigs = [ | |
[ [1,1,1], | |
[0,1,0] ], | |
[ [1,1,0], | |
[0,1,1] ], | |
[ [0,1,1], | |
[1,1,0] ], | |
[ [1,1,1], | |
[0,0,1] ], | |
[ [1,1,1], | |
[1,0,0] ], | |
[ [1,1], | |
[1,1] ], | |
[ [1,1,1,1] ] | |
], | |
tetris = {}, | |
viewwork = {}; | |
tetris = { | |
state: _zarr(tetrisHeight+4).map(function(){ | |
return _zarr(tetrisWidth+1); | |
}), | |
currPos: {x: null, y: null, dx: null, dy: null}, | |
currFig: null, | |
possFig: _rclarr(tetrisFigs), | |
checkPos: function(x, y, fig) { | |
var self = this; | |
fig = fig || this.currFig; | |
return fig.every(function(l,i){ | |
return l.every(function(e,j){ | |
return e + self.state[i + y][j + x] < 2; | |
}); | |
}); | |
}, | |
calcState: function() { | |
var self = this; | |
this.state.forEach(function(l,i) { | |
if (l.some(function(e){return e === 0;})) return; | |
self.state.splice(i,1); | |
self.state.push(_zarr(self.state[0].length + 1)); | |
}); | |
}, | |
showState: function() { | |
var self = this; | |
var res = _rclarr(this.state); | |
if (this.currFig) { | |
if (!this.checkPos(this.currPos.x, this.currPos.y)) return res; | |
self.currFig.forEach(function(l,i){ | |
l.forEach(function(e,j){ | |
res[i + self.currPos.y][j + self.currPos.x] += e; | |
}); | |
}); | |
} | |
return res; | |
}, | |
saveState: function() { | |
this.state = this.showState(); | |
this.currFig = null; | |
this.currPos = {x: null, y: null, dx: null, dy: null}; | |
this.calcState(); | |
}, | |
moveRL: function(s) { | |
if (this.currPos.x + s < 0) return; | |
if (this.currPos.x + this.currFig[0].length + s > this.state[0].length) return; | |
if (!this.checkPos(this.currPos.x + s, this.currPos.y)) return; | |
this.currPos.x += s; | |
}, | |
moveD: function() { | |
if (!this.currFig) return; | |
if (this.currPos.y - 1 < 0 || | |
!this.checkPos(this.currPos.x, this.currPos.y - 1)) { | |
this.saveState(); | |
} else { | |
this.currPos.y -= 1; | |
} | |
}, | |
fullD: function() { | |
if (!this.currFig) return; | |
this.moveD(); | |
this.fullD(); | |
}, | |
showTurn: function() { | |
if (!this.currFig) return; | |
var self = this; | |
return _rclarr(self.currFig)[0].map(function(e,i){ | |
return _rclarr(self.currFig).map(function(l,j){ | |
return _rclarr(self.currFig)[j][self.currFig[0].length - i -1]; | |
}); | |
}); | |
}, | |
rotate: function() { | |
if (!this.currFig) return; | |
var self = this; | |
var nf = self.showTurn(); | |
var dx = Math.floor((self.currFig[0].length - nf[0].length) / 2); | |
var dy = Math.floor((self.currFig.length - nf.length) / 2); | |
dx = self.currPos.dx === null ? dx : -self.currPos.dx; | |
dy = self.currPos.dy === null ? dy : -self.currPos.dy; | |
if (self.currPos.x + dx < 0) dx = -self.currPos.x; | |
if (self.currPos.x + dx + nf[0].length > self.state[0].length) dx = self.state[0].length - self.currPos.x - nf[0].length; | |
if (!self.checkPos(self.currPos.x + dx, self.currPos.y + dy, nf)) return; | |
self.currFig = _rclarr(nf); | |
self.currPos = {x: self.currPos.x + dx, y: self.currPos.y + dy, dx: dx, dy: dy}; | |
}, | |
newFig: function() { | |
if (this.currFig) return; | |
var self = this; | |
var rnd = Math.max(Math.floor(Math.random()*this.possFig.length - 0.1), 0) ; | |
this.currFig = _rclarr(this.possFig[rnd]); | |
this.currPos.x = Math.floor(this.state[0].length / 2 - this.currFig[0].length / 2); | |
this.currPos.y = this.state.length - this.currFig.length - 3; | |
_zarr(Math.floor(Math.random()*4)).forEach(function(){ | |
self.rotate(); | |
}); | |
}, | |
out: function() { | |
return this.showState().slice(0, this.showState().length - 3); | |
} | |
}; | |
viewwork = { | |
init: function() { | |
document.addEventListener('keyup', function(e){ | |
switch (e.keyCode) { | |
case 37: // left | |
tetris.moveRL(-1); | |
break; | |
case 39: // right | |
tetris.moveRL(1); | |
break; | |
case 38: // up - rotate | |
tetris.rotate(); | |
break; | |
case 40: // down | |
tetris.fullD(); | |
viewwork.iterate(); | |
break; | |
} | |
}); | |
viewwork.iterate(); | |
}, | |
draw: function() { | |
var space = document.getElementById('space'); | |
var pole = document.createElement('div'); | |
pole.innerHTML = tetris.out().reverse().map(function(l){ | |
return '<div class="line">' + l.map(function(e){ | |
return (e ? '<div class="black">' : '<div class="white">') + e + '</div>'; | |
}).join('') + '</div>'; | |
}).join(''); | |
while (space.firstChild) { | |
space.removeChild(space.firstChild); | |
} | |
space.appendChild(pole); | |
}, | |
iterate: function() { | |
tetris.moveD(); | |
viewwork.draw(); | |
tetris.calcState(); | |
tetris.newFig(); | |
viewwork.draw(); | |
} | |
}; | |
viewwork.init(); | |
setInterval(function(){ | |
viewwork.iterate(); | |
}, 500); |
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