basic self-replication

main.py

@@ -16,15 +16,10 @@ first_agent = CAMSReverseAndSidestepAgent(
     initial_direction=Direction.NORTH
 )
 
-second_agent = CAMSReverseAndSidestepAgent(
-    environment=env, 
-    position=(11,13), 
-    initial_direction=Direction.EAST
-)
-
 im = ax.imshow(env.render(), aspect="equal", origin="lower")
 
 def update(frame_number):
+    print(frame_number)
     env.step()
     im.set_data(env.render())
     return im,

sim.py

@@ -14,8 +14,8 @@ class CellState(Enum):
 
 class Colours(Enum):
     WALL = [30,30,30]
-    STOCKED = [200,100,0]
+    STOCKED = [200,150,0]
-    DEPLETED = [0,50,50]
+    DEPLETED = [100,40,0]
     UNDEFINED = [255,0,255]
     AGENT = [0,255,0]
 
@@ -121,23 +121,95 @@ class DirectionalAgent(Agent):
         position_in_front = self.position + self.direction.value
         return self.environment.is_wall(position_in_front)
     
+    def agent_in_front(self):
+        return False
+
+    def move_forward(self):
+        return self.move(self.direction)
+
+    NORTH = (0, 1)
+    SOUTH = (0, -1)
+    WEST = (-1, 0)
+    EAST = (1, 0)
+
     def turn_left(self):
-        raise NotImplementedError
+        if self.direction is Direction.NORTH:
+            self.direction = Direction.WEST
+        elif self.direction is Direction.EAST:
+            self.direction = Direction.NORTH
+        elif self.direction is Direction.SOUTH:
+            self.direction = Direction.EAST
+        elif self.direction is Direction.WEST:
+            self.direction = Direction.SOUTH
+        else:
+            raise ValueError
 
     def turn_right(self):
-        raise NotImplementedError
+        if self.direction is Direction.NORTH:
+            self.direction = Direction.EAST
+        elif self.direction is Direction.EAST:
+            self.direction = Direction.SOUTH
+        elif self.direction is Direction.SOUTH:
+            self.direction = Direction.WEST
+        elif self.direction is Direction.WEST:
+            self.direction = Direction.NORTH
+        else:
+            raise ValueError
 
     def reverse_direction(self):
         new_vector = np.array(self.direction.value) * -1
         self.direction = Direction(tuple(new_vector))
 
 class CAMSReverseAndSidestepAgent(DirectionalAgent):
-    def __init__(self, environment, position, initial_direction, required_resources = 100):
+    def __init__(
+        self, 
+        environment, 
+        position, 
+        initial_direction, 
+        required_resources = 500
+    ):
         super().__init__(environment, position, initial_direction)
         self.resources = 0
         self.required_resources = required_resources
-    
+        self.number_of_turns = 0
+
     def step(self):
+        self.eat()
+
         if self.wall_in_front():
+        #    self.die()
+        #elif self.agent_in_front():
+            if self.number_of_turns == 0:
+                self.reverse_direction()
+                self.move_forward()
+                self.number_of_turns += 1
+            elif self.number_of_turns > 0:
+                self.turn_right()
+                self.move_forward()
+                self.turn_right()
+                self.number_of_turns == 0
+        elif self.resources >= self.required_resources:
+            self.resources -= self.required_resources
+            new_agent = CAMSReverseAndSidestepAgent(
+                environment=self.environment,
+                position=(self.position + self.direction.value),
+                initial_direction=self.direction,
+                required_resources=self.required_resources
+            )
             self.reverse_direction()
-        self.move(self.direction)
+        else:
+            self.move_forward()
+    
+    def eat(self):
+        cell = self.environment.cell(self.position)
+        resources = cell.resources
+
+        if resources > 0:
+            self.resources += resources
+            cell.resources = 0
+            return True
+        else:
+            return False
+
+
+