37 lines
553 B
JavaScript
37 lines
553 B
JavaScript
var Resources = Class({
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types: ["food", "wood", "stone", "metal"],
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_init: function(amounts)
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{
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for each (var t in this.types)
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this[t] = amounts[t] || 0;
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},
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canAfford: function(that)
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{
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for each (var t in this.types)
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if (this[t] < that[t])
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return false;
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return true;
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},
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add: function(that)
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{
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for each (var t in this.types)
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this[t] += that[t];
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},
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subtract: function(that)
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{
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for each (var t in this.types)
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this[t] -= that[t];
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},
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multiply: function(n)
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{
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for each (var t in this.types)
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this[t] *= n;
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},
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});
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