math-balancing WIP for passive stats & abilities

script/index.coffee

@@ -65,6 +65,16 @@ api.tnl = (lvl) ->
   else Math.round(((Math.pow(lvl, 2) * 0.25) + (10 * lvl) + 139.75) / 10) * 10
   # round to nearest 10?
 
+###
+  A hyperbola function that creates diminishing returns, so you can't go to infinite (eg, with Exp gain).
+  {max} The asymptote
+  {bonus} All the numbers combined for your point bonus (eg, task.value * user.stats.int * critChance, etc)
+  {halfway} (optional) the point at which the graph starts bending
+###
+api.diminishingReturns = (bonus, max, halfway=bonus/2) ->
+  max*(bonus/(bonus+halfway))
+
+
 ###
 Preen history for users with > 7 history entries
 This takes an infinite array of single day entries [day day day day day...], and turns it into a condensed array
@@ -676,26 +686,25 @@ api.wrap = (user) ->
             # (Only for up-scoring, ignore up-onlies and rewards)
             if direction is 'up' and task.type != 'reward' and !(task.type is 'habit' and !task.down)
               # TODO STR Improves the amount by which Dailies and +/- Habits decrease in threat when scored, by .25% per point.
-              task.value += nextDelta * user._statsComputed.str * .005
+              task.value += nextDelta * user._statsComputed.str * .004
           delta += nextDelta
 
       addPoints = ->
         # ===== CRITICAL HITS =====
-        crit =
-          if user.fns.predictableRandom() <= .03 then 1.5 + (.05*user._statsComputed.str)
-          else 1
+        _crit = user.fns.crit()
 
         # Exp Modifier
         # ===== Intelligence =====
         # TODO Increases Experience gain by .2% per point.
-        intMod = 1 + (user._statsComputed.int * .075)
-        stats.exp += Math.round(delta * intMod * task.priority * crit * 6)
+        intBonus = 1 + (user._statsComputed.int * .025)
+        stats.exp += Math.round (delta * intBonus * task.priority * _crit * 6)
 
         # GP modifier
-        gpMod = delta * task.priority * crit
         # ===== PERCEPTION =====
         # TODO Increases Gold gained from tasks by .3% per point.
-        gpMod *= (1 + user._statsComputed.per *.06)
+        perBonus = (1 + user._statsComputed.per *.02)
+        gpMod = (delta * task.priority * _crit * perBonus)
+        gpMod *=
         stats.gp +=
           if task.streak
             streakBonus = task.streak / 100 + 1 # eg, 1-day streak is 1.1, 2-day is 1.2, etc
@@ -708,9 +717,9 @@ api.wrap = (user) ->
       subtractPoints = ->
         # ===== CONSTITUTION =====
         # TODO Decreases HP loss from bad habits / missed dailies by 0.5% per point.
-        conMod = 1 - (user._statsComputed.con / 250)
-        conMod = 0.1 if conMod < .1
-        hpMod = delta * conMod * task.priority
+        conBonus = 1 - (user._statsComputed.con / 250)
+        conBonus = 0.1 if conBonus < .1
+        hpMod = delta * conBonus * task.priority * 2 # constant 2 multiplier for better results
         stats.hp += Math.round(hpMod * 10) / 10 # round to 1dp
 
       switch task.type
@@ -807,6 +816,10 @@ api.wrap = (user) ->
       x = Math.sin(seed++) * 10000
       x - Math.floor(x)
 
+    crit: (stat='str', chance=.03) ->
+      if user.fns.predictableRandom() <= chance then 1.5 + (.02*user._statsComputed[stat])
+      else 1
+
     ###
       Get a random property from an object
       http://stackoverflow.com/questions/2532218/pick-random-property-from-a-javascript-object