TODOs and delete an unused variable

README.txt

@@ -16,6 +16,7 @@ TODOs: (that i can remember right now)
 - compute how many input neurons the network needs instead of hardcoding
 - add some detection for enemies later in the game
 - fix cfg.enable_overlay (smb.lua doesn't see it being changed)
+- maybe log the average distance from init?
 
 naive:
 - learn any combination of buttons, starting from title screen

main.lua

@@ -112,8 +112,8 @@ local log_map = {
     delta_mean = 4,
     delta_std = 5,
     step_std = 6,
-    weight_mean = 7,
-    weight_std = 8,
+    weight_mean = 7, -- TODO: rename to param_mean.
+    weight_std = 8, -- TODO: rename to param_std.
     test_trial = 9,
     decisions = 10,
 }

snes.lua

@@ -146,7 +146,6 @@ function Snes:ask_mix(start_anew)
     local marked = {}
     for p=1, min(#self.old_asked, self.popsize) do
         local a = self.old_asked[p]
-        local n = self.old_noise[p]
 
         -- TODO: cache probs?
         local prob_new = 0