increased set state speed

scripts/main_ui.py

@@ -35,7 +35,7 @@ class MyStatus(CellState):
 
     def get_state_draw_color(self, iteration):
         red = 0
-        if self._state[iteration % 2][0]:
+        if self._state_slots[iteration % 2][0]:
             red = 255
         return [red, 0, 0]
 

src/cellular_automaton/ca_cell_state.py

@@ -5,7 +5,7 @@ class CellState:
     """
     def __init__(self, initial_state, state_save_slot_count=2):
         self._state_save_slot_count = state_save_slot_count
-        self._state = [[initial_state]] * state_save_slot_count
+        self._state_slots = [[initial_state]] * state_save_slot_count
 
     def set_status_of_iteration(self, new_status, iteration):
         """ Will set the new status for the iteration modulo number of saved states.
@@ -13,17 +13,20 @@ class CellState:
         :param iteration:   Uses the iteration index, to differ between concurrent states.
         :return True if status has changed.
         """
-        self._state[iteration % self._state_save_slot_count] = new_status
+        slot_count = self._state_save_slot_count
+        states = self._state_slots
 
-        return self._state[(iteration - 1) % self._state_save_slot_count] \
-            != self._state[iteration % self._state_save_slot_count]
+        states[iteration % slot_count] = new_status
+
+        return states[(iteration - 1) % slot_count] \
+            != states[iteration % slot_count]
 
     def get_status_of_iteration(self, iteration):
         """ Will return the status for the iteration modulo number of saved states.
         :param iteration:   Uses the iteration index, to differ between concurrent states.
         :return The status for this iteration.
         """
-        return self._state[iteration % self._state_save_slot_count]
+        return self._state_slots[iteration % self._state_save_slot_count]
 
     def get_state_draw_color(self, iteration):
         raise NotImplementedError