| author | Oleksandr Gavenko <gavenkoa@gmail.com> |
| Sat, 06 Sep 2014 22:58:53 +0300 | |
| changeset 7 | d8106c8c0481 |
| parent 4 | 732aef931a9e |
| child 10 | 70ece7f758a0 |
| permissions | -rw-r--r-- |
| 0 | 1 |
<!DOCTYPE html> |
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<html> |
|
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<head> |
|
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<title>2048 AI</title> |
|
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<meta name="viewport" content="width=device-width; initial-scale=1.0"/> |
|
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<meta charset="utf-8"/> |
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||
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7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
8 |
<script src="board.js"></script> |
|
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
9 |
<script src="perf.js"></script> |
|
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
10 |
|
| 0 | 11 |
<style> |
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body {
|
|
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width: 100%; |
|
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} |
|
| 4 | 15 |
h1, div.area {
|
| 0 | 16 |
text-align: center; |
| 4 | 17 |
margin: 10px auto; |
| 0 | 18 |
} |
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#board {
|
|
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margin: 10px auto; |
|
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} |
|
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#board td {
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|
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width: 40px; |
|
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height: 40px; |
|
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border: 1px solid red; |
|
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margin: 0; |
|
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text-align: center; |
|
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} |
|
| 4 | 29 |
.report > .name {
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font-weight: bold; |
|
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} |
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| 0 | 32 |
</style> |
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</head> |
|
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<body> |
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||
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<h1>2048</h1> |
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||
| 4 | 38 |
<div id="score-area" class="area">Score: <span id="score">0</span>, Max: <span id="max">0</span>, Speed: <span id="speed">0</span> t/s, Turn: <span id="turn">0</span></div> |
| 0 | 39 |
|
| 4 | 40 |
<div id="message-area" class="area"></div> |
| 0 | 41 |
|
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<table id="board"> |
|
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<tr> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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</tr> |
|
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<tr> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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</tr> |
|
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<tr> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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</tr> |
|
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<tr> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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<td></td> |
|
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</tr> |
|
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</table> |
|
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||
| 4 | 69 |
<div id="control-area" class="area"> |
| 0 | 70 |
<div> |
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<button id="start">Start</button> |
|
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<button id="step">Step</button> |
|
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<button id="loop">Loop</button> |
|
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<button id="finish">Finish</button> |
|
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</div> |
|
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<div> |
|
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<button id="left">left</button> |
|
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<button id="up">up</button> |
|
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<button id="down">down</button> |
|
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<button id="right">right</button> |
|
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</div> |
|
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<h1>AI</h1> |
|
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<div> |
|
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<button id="ai-random">random</button> |
|
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<button id="ai-next-max-score">next max score</button> |
|
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<button id="ai-next-max-value">next max value</button> |
|
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</div> |
|
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</div> |
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||
| 4 | 90 |
<div id="report-area" class="area"> |
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<h1>Reports</h1> |
|
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<div class="report" class="area"> |
|
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<div class="name">next max score</div> |
|
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<table> |
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<tr> |
|
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<th>Max</th> |
|
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<th>Count</th> |
|
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<th>%</th> |
|
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</tr> |
|
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<tr> |
|
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<td>128</td><td>8</td><td><div style="background: red; width: 100px">x</div></td> |
|
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</tr> |
|
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<tr> |
|
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<td>256</td><td>4</td><td><div style="background: red; width: 50px">x</div></td> |
|
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</tr> |
|
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<tr> |
|
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<td>512</td><td>12</td><td><div style="background: red; width: 150px">x</div></td> |
|
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</tr> |
|
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</table> |
|
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</div> |
|
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</div> |
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||
| 0 | 113 |
<script> |
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"use strict"; |
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||
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var board = {};
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|
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board.create = function() {
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var brd = []; |
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for (var i = 0; i < 4; i++) {
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brd[i] = []; |
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for (var j = 0; j < 4; j++) {
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brd[i][j] = 0; |
|
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} |
|
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} |
|
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return brd; |
|
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} |
|
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board.copy = function(from, to) {
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|
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for (var i = 0; i < 4; i++) {
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for (var j = 0; j < 4; j++) {
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to[i][j] = from[i][j]; |
|
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} |
|
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} |
|
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} |
|
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board.freeCnt = function(brd) {
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var cnt = 0; |
|
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for (var i = 0; i < 4; i++) {
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for (var j = 0; j < 4; j++) {
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if (brd[i][j] === 0) |
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cnt++; |
|
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} |
|
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} |
|
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return cnt; |
|
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} |
|
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board.gameOver = function(brd) {
|
|
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if (board.freeCnt(brd) > 0) |
|
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return false; |
|
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for (var i = 0; i < 4; i++) {
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for (var j = 0; j < 3; j++) {
|
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if (brd[i][j] === brd[i][j+1]) |
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return false; |
|
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} |
|
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} |
|
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for (var j = 0; j < 4; j++) {
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for (var i = 0; i < 3; i++) {
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if (brd[i][j] === brd[i+1][j]) |
|
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return false; |
|
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} |
|
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} |
|
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return true; |
|
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} |
|
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7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
161 |
board.putRandom = function(brd) {
|
| 0 | 162 |
var cnt = board.freeCnt(brd); |
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cnt = Math.floor(Math.random() * cnt)+1; |
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for (var i = 0; i < 4 && cnt > 0; i++) {
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for (var j = 0; j < 4 && cnt > 0; j++) {
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if (brd[i][j] !== 0) |
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continue; |
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if (cnt === 1) |
|
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7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
169 |
brd[i][j] = (Math.random() > .9) ? 2 : 1; |
| 0 | 170 |
cnt--; |
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} |
|
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} |
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} |
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/* http://www.reddit.com/r/2048/comments/214njx/highest_possible_score_for_2048_warning_math */ |
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
175 |
var boardScoreTbl = [0]; |
|
2
11da0a8fabf3
Cache for scores values.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1
diff
changeset
|
176 |
for (var i = 1, exp = 2; i < 16; i++, exp *= 2) {
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
177 |
boardScoreTbl[i] = (i-1)*exp; |
|
2
11da0a8fabf3
Cache for scores values.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1
diff
changeset
|
178 |
} |
| 0 | 179 |
board.score = function(brd) {
|
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var score = 0; |
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var max = 0; |
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for (var i = 0; i < 4; i++) {
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for (var j = 0; j < 4; j++) {
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|
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var val = brd[i][j]; |
|
| 3 | 185 |
score += boardScoreTbl[val]; |
| 0 | 186 |
if (max < val) |
187 |
max = val; |
|
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} |
|
189 |
} |
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
190 |
return {score: score, max: Math.pow(2, max)};
|
| 0 | 191 |
} |
192 |
||
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board.row = {};
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board.row.init = function() {
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return {stack: [], curr: 0};
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} |
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board.row.push = function(state, val) {
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if (val === 0) |
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return; |
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if (state.curr === 0) {
|
|
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state.curr = val; |
|
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return; |
|
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} |
|
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if (state.curr === val) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
205 |
state.stack.push(state.curr+1); |
| 0 | 206 |
state.curr = 0; |
207 |
} else {
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state.stack.push(state.curr); |
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state.curr = val; |
|
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} |
|
211 |
} |
|
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board.row.finish = function(state) {
|
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if (state.curr !== 0) |
|
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state.stack.push(state.curr); |
|
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} |
|
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board.move = {};
|
|
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board.move.up = function(brd) {
|
|
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var updated = false; |
|
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for (var j = 0; j < 4; j++) {
|
|
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var state = board.row.init(); |
|
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for (var i = 0; i < 4; i++) {
|
|
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board.row.push(state, brd[i][j]); |
|
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} |
|
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board.row.finish(state); |
|
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for (var i = 0; i < state.stack.length; i++) {
|
|
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if (brd[i][j] !== state.stack[i]) |
|
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updated = true; |
|
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brd[i][j] = state.stack[i]; |
|
229 |
} |
|
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for (; i < 4; i++) {
|
|
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if (brd[i][j] !== 0) |
|
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updated = true; |
|
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brd[i][j] = 0; |
|
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} |
|
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} |
|
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return updated; |
|
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}; |
|
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board.move.down = function(brd) {
|
|
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var updated = false; |
|
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for (var j = 0; j < 4; j++) {
|
|
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var state = board.row.init(); |
|
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for (var i = 3; i >= 0; i--) {
|
|
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board.row.push(state, brd[i][j]); |
|
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} |
|
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board.row.finish(state); |
|
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for (var i = 0; i < state.stack.length; i++) {
|
|
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if (brd[3-i][j] !== state.stack[i]) |
|
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updated = true; |
|
249 |
brd[3-i][j] = state.stack[i]; |
|
250 |
} |
|
251 |
for (; i < 4; i++) {
|
|
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if (brd[3-i][j] !== 0) |
|
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updated = true; |
|
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brd[3-i][j] = 0; |
|
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} |
|
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} |
|
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return updated; |
|
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}; |
|
259 |
board.move.left = function(brd) {
|
|
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var updated = false; |
|
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for (var i = 0; i < 4; i++) {
|
|
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var state = board.row.init(); |
|
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for (var j = 0; j < 4; j++) {
|
|
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board.row.push(state, brd[i][j]); |
|
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} |
|
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board.row.finish(state); |
|
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for (var j = 0; j < state.stack.length; j++) {
|
|
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if (brd[i][j] !== state.stack[j]) |
|
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updated = true; |
|
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brd[i][j] = state.stack[j]; |
|
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} |
|
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for (; j < 4; j++) {
|
|
273 |
if (brd[i][j] !== 0) |
|
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updated = true; |
|
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brd[i][j] = 0; |
|
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} |
|
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} |
|
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return updated; |
|
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}; |
|
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board.move.right = function(brd) {
|
|
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var updated = false; |
|
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for (var i = 0; i < 4; i++) {
|
|
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var state = board.row.init(); |
|
284 |
for (var j = 3; j >= 0; j--) {
|
|
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board.row.push(state, brd[i][j]); |
|
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} |
|
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board.row.finish(state); |
|
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for (var j = 0; j < state.stack.length; j++) {
|
|
289 |
if (brd[i][3-j] !== state.stack[j]) |
|
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updated = true; |
|
291 |
brd[i][3-j] = state.stack[j]; |
|
292 |
} |
|
293 |
for (; j < 4; j++) {
|
|
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if (brd[i][3-j] !== 0) |
|
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updated = true; |
|
296 |
brd[i][3-j] = 0; |
|
297 |
} |
|
298 |
} |
|
299 |
return updated; |
|
300 |
}; |
|
301 |
||
302 |
var boardDom = document.getElementById("board");
|
|
303 |
var ui = {};
|
|
304 |
ui.board = {};
|
|
305 |
ui.board.set = function(i, j, val) {
|
|
306 |
boardDom.querySelectorAll("tr")[i].querySelectorAll("td")[j].innerHTML = val;
|
|
307 |
} |
|
308 |
ui.board.update = function(brd) {
|
|
309 |
for (var i = 0; i < 4; i++) {
|
|
310 |
for (var j = 0; j < 4; j++) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
311 |
ui.board.set(i, j, (brd[i][j] >= 1) ? brd[i][j] : ""); |
| 0 | 312 |
} |
313 |
} |
|
314 |
} |
|
315 |
ui.score = {};
|
|
316 |
var scoreDom = document.getElementById("score");
|
|
317 |
var maxDom = document.getElementById("max");
|
|
| 1 | 318 |
var speedDom = document.getElementById("speed");
|
319 |
var turnDom = document.getElementById("turn");
|
|
| 0 | 320 |
ui.score.clear = function(brd) {
|
321 |
scoreDom.innerHTML = '0'; |
|
322 |
maxDom.innerHTML = '0'; |
|
| 1 | 323 |
speedDom.innerHTML = '0'; |
324 |
turnDom.innerHTML = '0'; |
|
| 0 | 325 |
} |
326 |
ui.score.update = function(brd) {
|
|
327 |
var score = board.score(brd); |
|
328 |
scoreDom.innerHTML = '' + score.score; |
|
329 |
maxDom.innerHTML = '' + score.max; |
|
330 |
} |
|
| 1 | 331 |
ui.score.speed = function(speed, turn) {
|
332 |
speedDom.innerHTML = '' + speed; |
|
333 |
turnDom.innerHTML = '' + turn; |
|
334 |
} |
|
| 0 | 335 |
|
336 |
function start() {
|
|
337 |
ui.score.clear(); |
|
338 |
ui.message.clear(); |
|
339 |
board.current = board.create(); |
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
340 |
board.putRandom(board.current); |
| 0 | 341 |
ui.board.update(board.current); |
342 |
} |
|
343 |
document.getElementById("start").addEventListener("click", start);
|
|
344 |
||
345 |
function up() {
|
|
346 |
var updated = board.move.up(board.current); |
|
347 |
if (updated) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
348 |
board.putRandom(board.current); |
| 0 | 349 |
ui.board.update(board.current); |
350 |
ui.score.update(board.current); |
|
351 |
} |
|
352 |
} |
|
353 |
document.getElementById("up").addEventListener("click", up);
|
|
354 |
function down() {
|
|
355 |
var updated = board.move.down(board.current); |
|
356 |
if (updated) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
357 |
board.putRandom(board.current); |
| 0 | 358 |
ui.board.update(board.current); |
359 |
ui.score.update(board.current); |
|
360 |
} |
|
361 |
} |
|
362 |
document.getElementById("down").addEventListener("click", down);
|
|
363 |
function left() {
|
|
364 |
var updated = board.move.left(board.current); |
|
365 |
if (updated) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
366 |
board.putRandom(board.current); |
| 0 | 367 |
ui.board.update(board.current); |
368 |
ui.score.update(board.current); |
|
369 |
} |
|
370 |
} |
|
371 |
document.getElementById("left").addEventListener("click", left);
|
|
372 |
function right() {
|
|
373 |
var updated = board.move.right(board.current); |
|
374 |
if (updated) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
375 |
board.putRandom(board.current); |
| 0 | 376 |
ui.board.update(board.current); |
377 |
ui.score.update(board.current); |
|
378 |
} |
|
379 |
} |
|
380 |
document.getElementById("right").addEventListener("click", right);
|
|
381 |
||
382 |
document.body.addEventListener("keydown", function(event) {
|
|
383 |
var key = event.keyCode || event.which; |
|
384 |
switch (key) {
|
|
385 |
case 38: up(); break; |
|
386 |
case 40: down(); break; |
|
387 |
case 37: left(); break; |
|
388 |
case 39: right(); break; |
|
389 |
} |
|
390 |
return false; |
|
391 |
}); |
|
392 |
||
393 |
ui.message = {};
|
|
394 |
var messageDom = document.getElementById("message-area");
|
|
395 |
ui.message.clear = function() {
|
|
396 |
messageDom.innerHTML = ""; |
|
397 |
} |
|
398 |
ui.message.set = function(msg) {
|
|
399 |
messageDom.innerHTML = msg; |
|
400 |
} |
|
401 |
||
402 |
function step() {
|
|
403 |
ui.message.clear(); |
|
404 |
if (board.gameOver(board.current)) {
|
|
405 |
ui.message.set("Game over!");
|
|
406 |
return; |
|
407 |
} |
|
408 |
var tmpBrd = board.create(); |
|
409 |
board.copy(board.current, tmpBrd); |
|
410 |
var fn = ai.current(tmpBrd); |
|
411 |
if (typeof fn === 'undefined') {
|
|
412 |
ui.message.set("I don't know how to move!");
|
|
413 |
return; |
|
414 |
} |
|
415 |
var updated = board.move[fn].call(null, board.current); |
|
416 |
if (updated) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
417 |
board.putRandom(board.current); |
| 0 | 418 |
ui.board.update(board.current); |
419 |
ui.score.update(board.current); |
|
420 |
} else {
|
|
421 |
ui.message.set("Wrong move!");
|
|
422 |
} |
|
423 |
} |
|
424 |
document.getElementById("step").addEventListener("click", step);
|
|
425 |
||
426 |
function finish() {
|
|
427 |
ui.message.clear(); |
|
| 1 | 428 |
var step = 0; |
429 |
var tsFrom = new Date().getTime(); |
|
| 0 | 430 |
while (!board.gameOver(board.current)) {
|
431 |
var tmpBrd = board.create(); |
|
432 |
board.copy(board.current, tmpBrd); |
|
433 |
var fn = ai.current(tmpBrd); |
|
434 |
if (typeof fn === 'undefined') {
|
|
435 |
ui.message.set("I don't know how to move!");
|
|
436 |
return; |
|
437 |
} |
|
438 |
var updated = board.move[fn].call(null, board.current); |
|
439 |
if (updated) {
|
|
|
7
d8106c8c0481
Rename methods and use sequential numbers instead of power of 2.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
4
diff
changeset
|
440 |
board.putRandom(board.current); |
| 0 | 441 |
} else {
|
442 |
ui.board.update(board.current); |
|
443 |
ui.score.update(board.current); |
|
444 |
ui.message.set("Wrong move!");
|
|
445 |
return; |
|
446 |
} |
|
| 1 | 447 |
step++; |
| 0 | 448 |
} |
| 1 | 449 |
var tsTo = new Date().getTime(); |
| 0 | 450 |
ui.board.update(board.current); |
451 |
ui.score.update(board.current); |
|
| 1 | 452 |
ui.score.speed(step*1000.0/(tsTo-tsFrom), step); |
| 0 | 453 |
ui.message.set("Game over!");
|
454 |
} |
|
455 |
document.getElementById("finish").addEventListener("click", finish);
|
|
456 |
||
457 |
var ai = {};
|
|
458 |
||
459 |
ai.random = function(brd) {
|
|
460 |
var tmpBrd = board.create(); |
|
461 |
do {
|
|
462 |
var action = ["up", "down", "left", "right"][Math.floor(Math.random()*4)]; |
|
463 |
board.copy(brd, tmpBrd); |
|
464 |
} while (!board.move[action](tmpBrd)); |
|
465 |
return action; |
|
466 |
} |
|
467 |
document.getElementById("ai-random").addEventListener("click", function() {
|
|
468 |
ai.current = ai.random; |
|
469 |
}); |
|
470 |
||
471 |
ai.nextMaxScore = function(brd) {
|
|
472 |
var tmpBrd = board.create(); |
|
473 |
board.copy(brd, tmpBrd); |
|
474 |
var maxScore = -1; |
|
475 |
var action; |
|
476 |
if (board.move.up(tmpBrd)) {
|
|
477 |
maxScore = board.score(tmpBrd).score; |
|
478 |
action = "up"; |
|
479 |
} |
|
480 |
board.copy(brd, tmpBrd); |
|
481 |
if (board.move.left(tmpBrd)) {
|
|
482 |
var score = board.score(tmpBrd).score; |
|
483 |
if (maxScore < score) {
|
|
484 |
action = "left"; |
|
485 |
maxScore = score; |
|
486 |
} |
|
487 |
} |
|
488 |
board.copy(brd, tmpBrd); |
|
489 |
if (board.move.down(tmpBrd)) {
|
|
490 |
var score = board.score(tmpBrd).score; |
|
491 |
if (maxScore < score) {
|
|
492 |
action = "down"; |
|
493 |
maxScore = score; |
|
494 |
} |
|
495 |
} |
|
496 |
board.copy(brd, tmpBrd); |
|
497 |
if (board.move.right(tmpBrd)) {
|
|
498 |
var score = board.score(tmpBrd).score; |
|
499 |
if (maxScore < score) {
|
|
500 |
action = "right"; |
|
501 |
maxScore = score; |
|
502 |
} |
|
503 |
} |
|
504 |
return action; |
|
505 |
} |
|
506 |
document.getElementById("ai-next-max-score").addEventListener("click", function() {
|
|
507 |
ai.current = ai.nextMaxScore; |
|
508 |
}); |
|
509 |
||
510 |
||
511 |
ai.nextMaxValue = function(brd) {
|
|
512 |
var tmpBrd = board.create(); |
|
513 |
board.copy(brd, tmpBrd); |
|
514 |
var maxMax = -1; |
|
515 |
var action; |
|
516 |
if (board.move.up(tmpBrd)) {
|
|
517 |
maxMax = board.score(tmpBrd).max; |
|
518 |
action = "up"; |
|
519 |
} |
|
520 |
board.copy(brd, tmpBrd); |
|
521 |
if (board.move.left(tmpBrd)) {
|
|
522 |
var max = board.score(tmpBrd).max; |
|
523 |
if (maxMax < max) {
|
|
524 |
action = "left"; |
|
525 |
maxMax = max; |
|
526 |
} |
|
527 |
} |
|
528 |
board.copy(brd, tmpBrd); |
|
529 |
if (board.move.down(tmpBrd)) {
|
|
530 |
var max = board.score(tmpBrd).max; |
|
531 |
if (maxMax < max) {
|
|
532 |
action = "down"; |
|
533 |
maxMax = max; |
|
534 |
} |
|
535 |
} |
|
536 |
board.copy(brd, tmpBrd); |
|
537 |
if (board.move.right(tmpBrd)) {
|
|
538 |
var max = board.score(tmpBrd).max; |
|
539 |
if (maxMax < max) {
|
|
540 |
action = "right"; |
|
541 |
maxMax = max; |
|
542 |
} |
|
543 |
} |
|
544 |
return action; |
|
545 |
} |
|
546 |
document.getElementById("ai-next-max-value").addEventListener("click", function() {
|
|
547 |
ai.current = ai.nextMaxValue; |
|
548 |
}); |
|
549 |
||
550 |
</script> |
|
551 |
||
552 |
</body> |
|
553 |
</html> |