View difference between Paste ID: 08pnYurc and XVXLWZc4

 local Cursor = require 'cursor'
 
 local CELL_SIZE = 24
 
 Editor = {
   x = 10,
   y = 10,
   interpreter = nil,
   cursor = nil
 }
 Editor.__index = Editor;
 
 function Editor.new(interpreter)
   local editor = {}
   setmetatable(editor, Editor)
   editor.interpreter = interpreter
   editor.cursor = Cursor.new(0, 0, DIR_RIGHT)
   return editor
 end
 
 function Editor:drawGrid(w, h)
   -- Vertical lines
   for i = 0, w do
     local _x = self.x + i * CELL_SIZE
     local _h = h * CELL_SIZE
     love.graphics.line(_x, self.y, _x, self.y + _h)
   end
   -- Horizontal lines
   for i = 0, h do
     local _y = self.y + i * CELL_SIZE
     local _w = w * CELL_SIZE
     love.graphics.line(self.x, _y, self.x + _w, _y)
   end
 end
 
 function Editor:drawValues(w, h)
   for x = 0, w - 1 do
     for y = 0, h - 1 do
       local _x = self.x + x * CELL_SIZE
       local _y = self.y + y * CELL_SIZE
       love.graphics.print(self.interpreter.grid.cell[x][y], _x, _y) -- ERROR THIS!
     end
   end
 end
 
 function Editor:draw()
   local w = self.interpreter.grid.width
   local h = self.interpreter.grid.height
 
-  self:drawGrid(w, h)
+  Editor:drawGrid(w, h)
-  self:drawValues(w, h)
+  Editor:drawValues(w, h)
 end
 
 return Editor