equal
deleted
inserted
replaced
57 return this.brd[i][j]; |
57 return this.brd[i][j]; |
58 } |
58 } |
59 BoardArr2d.prototype.set = function(i, j, val) { |
59 BoardArr2d.prototype.set = function(i, j, val) { |
60 this.brd[i][j] = val; |
60 this.brd[i][j] = val; |
61 } |
61 } |
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62 BoardArr2d.prototype.equals = function(brd) { |
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63 for (var i = 0; i < 4; i++) |
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64 for (var j = 0; j < 4; j++) |
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65 if (this.brd[i][j] !== brd.brd[i][j]) |
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66 return false; |
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67 return true; |
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68 } |
62 /* Return and optionally fill 2d board. */ |
69 /* Return and optionally fill 2d board. */ |
63 BoardArr2d.prototype.exportTo = function(brd) { |
70 BoardArr2d.prototype.exportTo = function(brd) { |
64 brd = brd || [[],[],[],[]]; |
71 brd = brd || [[],[],[],[]]; |
65 for (var i = 0; i < 4; i++) |
72 for (var i = 0; i < 4; i++) |
66 for (var j = 0; j < 4; j++) |
73 for (var j = 0; j < 4; j++) |
82 if (v > 0) |
89 if (v > 0) |
83 score += (v-1)*Math.pow(2, v); |
90 score += (v-1)*Math.pow(2, v); |
84 } |
91 } |
85 } |
92 } |
86 return score; |
93 return score; |
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94 } |
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95 BoardArr2d.prototype.max = function() { |
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96 var max = 0; |
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97 for (var i = 0; i < 4; i++) { |
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98 for (var j = 0; j < 4; j++) { |
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99 max = Math.max(max, this.brd[i][j]); |
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100 } |
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101 } |
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102 return max; |
87 } |
103 } |
88 |
104 |
89 BoardArr2d.prototype.canRight = function() { |
105 BoardArr2d.prototype.canRight = function() { |
90 for (var i = 0; i < 4; i++) { |
106 for (var i = 0; i < 4; i++) { |
91 var f0 = this.brd[i][0], f1 = this.brd[i][1], f2 = this.brd[i][2], f3 = this.brd[i][3]; |
107 var f0 = this.brd[i][0], f1 = this.brd[i][1], f2 = this.brd[i][2], f3 = this.brd[i][3]; |