Only render 7x7 instead of 8x8, so that we can center the player on the screen more easily.

player.lua

@@ -82,7 +82,7 @@ function handle_input()
 end
 
 function draw_player()
-   spr(player_lookup[facing_v][facing_h], 64, 64)
+   spr(player_lookup[facing_v][facing_h], 60, 60)
    -- todo: animate the character on move
 
    -- draw the player's HUD

world.lua

@@ -141,16 +141,16 @@ end
 -- this calculates everything about the world fresh every frame,
 -- but pico-8 handles this just fine!
 function draw_world(start_x, start_y)
-   for x=0,7 do
-      for y=0,7 do
+   for x=0,6 do
+      for y=0,6 do
          -- color the background for this segment
-         rectfill(x*16, y*16, x*16+16, y*16+16,
-                  get_base_color(start_x-4+x, start_y-4+y))
+         rectfill(x*16+8, y*16+8, x*16+24, y*16+24,
+                  get_base_color(start_x-3+x, start_y-3+y))
 
          -- now get the sprite, and render as long as it isn't 0
-         local sprite = get_tile(start_x-4+x, start_y-4+y)
+         local sprite = get_tile(start_x-3+x, start_y-3+y)
          if sprite ~= 0 then
-            spr(sprite, x*16, y*16, 2, 2)
+            spr(sprite, x*16+8, y*16+8, 2, 2)
          end
       end
    end