created game screen, added paddle class and two paddles

pypong/game_files/game.py

@@ -1,19 +1,80 @@
 import pygame
+import pypong
 
-SCREEN_SIZE = (640, 480)  # Size of the game window
+SCREEN_SIZE = (800, 600)  # Size of the game window
+GAME_FPS = 30
+GAME_COLOR = (255, 255, 255)  # Color of all the sprites on screen
+PADDLE_SIZE = (20, 200)
 
 
-def game():
+class Paddle(pygame.sprite.Sprite):
+    def __init__(self):
+        super().__init__()
+
+        self.image = pygame.Surface(PADDLE_SIZE)
+        self.image.fill(GAME_COLOR)
+        self.rect = self.image.get_rect()
+
+    def update(self):
+        pass
+
+
+def game(isHost=True):
+    """
+    Starts the game.
+    """
+
     pygame.init()
 
     window = pygame.display.set_mode(SCREEN_SIZE)
     surface = pygame.Surface(SCREEN_SIZE)
 
+    # Set title of window
+    pygame.display.set_caption('PyPong {0}'.format(pypong.__version__))
+
+    # Add an icon to the pygame window.
+    # icon = pygame.image.load('NO ICON YET, WIP').convert_alpha()
+    # pygame.display.set_icon(icon)
+
+    clock = pygame.time.Clock()
+
+    # Default game state when the game first starts.
     running = True
 
-    while running:
+    # A group of all the sprites on screen. Used to update all sprites at once
+    all_sprites = pygame.sprite.Group()
+
+    # Functions used for drawing the game screen #
+
+    def draw():
+        """
+        Draws the main pygame display.
+        """
+
+        # Draws all the sprites on a black background
+        all_sprites.update()
+        surface.fill((0, 0, 0))
+        all_sprites.draw(surface)
+        window.blit(surface, surface.get_rect())
+
+        # Update the entire display
         pygame.display.flip()
 
+    # Create the two paddles
+    host_player = Paddle()
+    client_player = Paddle()
+    client_player.rect.x = SCREEN_SIZE[0] - client_player.rect.size[0]  # Move client paddle to other side
+    all_sprites.add(host_player, client_player)
+
+    while running:
+        clock.tick(GAME_FPS)
+        draw()
+
 
 def main():
+    """
+    Calls the game() function to start the game.
+    """
     game()
+
+    pygame.quit()