Add first version of snake.

snake/game_object.py

@@ -0,0 +1,3 @@
+class GameObject:
+    def draw(self, surface):
+        pass

snake/main.py

@@ -1,11 +1,21 @@
 import pygame
 from window import Window
 from input_manager import InputManager
+from snake import Snake
+
+def draw(window, game_objs):
+    window.reset()
+
+    for obj in game_objs:
+        window.draw_object(obj)
 
 
 if __name__ == '__main__':
     window = Window(title='Snake', size=(800, 600), background_color=(0, 128, 0))
     input_manager = InputManager()
+    game_objs = [Snake(start_position=(400, 300),
+                       radius=10,
+                       color=(255, 0, 255))]
     
     clock = pygame.time.Clock()
     framerate = 25
@@ -15,7 +25,7 @@ if __name__ == '__main__':
     while last_input != InputManager.QUIT:
         last_input = input_manager.process_input()
 
-        window.reset()
+        draw(window, game_objs)
 
         clock.tick(framerate)
         pygame.display.flip()

snake/snake.py

@@ -0,0 +1,15 @@
+import pygame
+from game_object import GameObject
+
+
+class Snake(GameObject):
+    def __init__(self, start_position, radius, color):
+        self.__pos = start_position
+        self.__radius = radius
+        self.__color = color
+
+    def draw(self, surface):
+        pygame.draw.circle(surface=surface, 
+                           color=self.__color,
+                           center=self.__pos,
+                           radius=self.__radius)