12             if self:isDone() then
27         rec.isDone = function (self) return self.curr_x <= -640 end  function
33         rec.isDone = function (self) return self.curr_x >= 0 end  function
54             if self:isDone() then
73         rec.isDone = function (self) return self.next_x <= 0 end  function
84         rec.isDone = function (self) return self.prev_x >= 640 end  function
100             if self:isDone() then
116     rec.isDone = function (self) return self.next_a >= 1 end  function
132             if self:isDone() then
145         isDone = function (self) return self.angle >= 360 or self.angle <= -360 end  function
176             if self:isDone() then
188         isDone = function (self) return self.scale > 1 end,  function