Entity = {x=0,y=0, id="", gravity=9, frames={}} function Entity:foo() print "foo" end function Entity:baz() print (self.x) end function Entity:new (o) o = o or {} setmetatable(o, self) self.__index = self o.var=100 return o end player = Entity:new{ex="ex"} print(player.var) print(player.x) print(player.ex) player:foo() function player:foo() self.y = 15 return self.y end print (player:foo()) player.x = 5 print(player.x) player:baz() print(player.y) zed = {} zed[1] = 3 print(zed[1]) function player:zep(x,y) self.x = x self.y = y end print("") player:zep(-100,-200) print(player.x) print(player.y) l = {1,2,3} k = {4,5,6} j=l..k