Fix collision detection.

infimap.p8

@@ -3,7 +3,7 @@ version 18
 __lua__
 #include mapgen.lua
 #include movement.lua
-#include infimap.lua
+#include main.lua
 __gfx__
 000000000000000033333333335555333344443338333333333333e3383333830000000000000000000000000000000000000000000000000000000000000000
 00000000000000003333333335554553344444438a833383333e3e9e888338880000000000000000000000000000000000000000000000000000000000000000

movement.lua

@@ -27,7 +27,7 @@ end
 
 
 function handle_input()
-   new_pos = camera_pos
+   local new_pos = {camera_pos[1], camera_pos[2]}
 
    if btnp(0) or btnp(1) or btnp(2) or btnp(3) then
       if btnp(0) then
@@ -70,5 +70,5 @@ end
 -- pos is camera position, meaning the player position is
 -- pos + {8, 8}.
 function legal_move(pos)
-   return fget(mget(pos[1]+8, pos[2]+8), 0)
+   return not fget(mget(pos[1]+8, pos[2]+8), 0)
 end