Rename methods and use sequential numbers instead of power of 2.
--- a/2048.html Sat Sep 06 22:57:36 2014 +0300
+++ b/2048.html Sat Sep 06 22:58:53 2014 +0300
@@ -5,6 +5,9 @@
<meta name="viewport" content="width=device-width; initial-scale=1.0"/>
<meta charset="utf-8"/>
+ <script src="board.js"></script>
+ <script src="perf.js"></script>
+
<style>
body {
width: 100%;
@@ -155,7 +158,7 @@
}
return true;
}
- board.random = function(brd) {
+ board.putRandom = function(brd) {
var cnt = board.freeCnt(brd);
cnt = Math.floor(Math.random() * cnt)+1;
for (var i = 0; i < 4 && cnt > 0; i++) {
@@ -163,15 +166,15 @@
if (brd[i][j] !== 0)
continue;
if (cnt === 1)
- brd[i][j] = 2;
+ brd[i][j] = (Math.random() > .9) ? 2 : 1;
cnt--;
}
}
}
/* http://www.reddit.com/r/2048/comments/214njx/highest_possible_score_for_2048_warning_math */
- var boardScoreTbl = {"0": 0};
+ var boardScoreTbl = [0];
for (var i = 1, exp = 2; i < 16; i++, exp *= 2) {
- boardScoreTbl[exp] = (i-1)*exp;
+ boardScoreTbl[i] = (i-1)*exp;
}
board.score = function(brd) {
var score = 0;
@@ -184,7 +187,7 @@
max = val;
}
}
- return {score: score, max: max};
+ return {score: score, max: Math.pow(2, max)};
}
board.row = {};
@@ -199,7 +202,7 @@
return;
}
if (state.curr === val) {
- state.stack.push(state.curr*2);
+ state.stack.push(state.curr+1);
state.curr = 0;
} else {
state.stack.push(state.curr);
@@ -305,7 +308,7 @@
ui.board.update = function(brd) {
for (var i = 0; i < 4; i++) {
for (var j = 0; j < 4; j++) {
- ui.board.set(i, j, (brd[i][j] >= 2) ? brd[i][j] : "");
+ ui.board.set(i, j, (brd[i][j] >= 1) ? brd[i][j] : "");
}
}
}
@@ -334,7 +337,7 @@
ui.score.clear();
ui.message.clear();
board.current = board.create();
- board.random(board.current);
+ board.putRandom(board.current);
ui.board.update(board.current);
}
document.getElementById("start").addEventListener("click", start);
@@ -342,7 +345,7 @@
function up() {
var updated = board.move.up(board.current);
if (updated) {
- board.random(board.current);
+ board.putRandom(board.current);
ui.board.update(board.current);
ui.score.update(board.current);
}
@@ -351,7 +354,7 @@
function down() {
var updated = board.move.down(board.current);
if (updated) {
- board.random(board.current);
+ board.putRandom(board.current);
ui.board.update(board.current);
ui.score.update(board.current);
}
@@ -360,7 +363,7 @@
function left() {
var updated = board.move.left(board.current);
if (updated) {
- board.random(board.current);
+ board.putRandom(board.current);
ui.board.update(board.current);
ui.score.update(board.current);
}
@@ -369,7 +372,7 @@
function right() {
var updated = board.move.right(board.current);
if (updated) {
- board.random(board.current);
+ board.putRandom(board.current);
ui.board.update(board.current);
ui.score.update(board.current);
}
@@ -411,7 +414,7 @@
}
var updated = board.move[fn].call(null, board.current);
if (updated) {
- board.random(board.current);
+ board.putRandom(board.current);
ui.board.update(board.current);
ui.score.update(board.current);
} else {
@@ -434,7 +437,7 @@
}
var updated = board.move[fn].call(null, board.current);
if (updated) {
- board.random(board.current);
+ board.putRandom(board.current);
} else {
ui.board.update(board.current);
ui.score.update(board.current);