initial commit

Prog_1/Pygame_games/Walker.py

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+import pygame
+
+WIDTH = 800
+HEIGHT= 600
+SIZE = (WIDTH, HEIGHT)
+RED = (255, 0, 0)
+CIRCLE_RADIUS = 10
+BLACK = (0, 0, 0)
+FPS = 120
+
+def main():
+    screen = init_game()
+    game_loop(screen)
+    exit_game()
+
+def init_game():
+    global position
+    global clock
+    clock = pygame.time.Clock()
+    position = (WIDTH // 2, HEIGHT // 2)
+    pygame.init()
+    return pygame.display.set_mode(SIZE)
+
+def game_loop(screen):
+    while True:
+        if not event_handling():
+            break
+        if not update_game():
+            break
+        event = event_handling()
+        draw_game(screen)
+        clock.tick(FPS)
+
+def event_handling():
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            return False
+    return True
+
+def update_game():
+    global position
+    keys_pressed = pygame.key.get_pressed()
+    if keys_pressed[pygame.K_UP]:
+        position = (position[0], position[1] - 1)
+    if keys_pressed[pygame.K_DOWN]:
+        position = (position[0], position[1] + 1)
+    if keys_pressed[pygame.K_LEFT]:
+        position = (position[0] - 1, position[1])
+    if keys_pressed[pygame.K_RIGHT]:
+        position = (position[0] + 1, position[1])
+    return True
+
+def draw_game(screen):
+    screen.fill(BLACK)
+    pygame.draw.circle(screen, RED, position, CIRCLE_RADIUS)
+    pygame.display.flip()
+
+def exit_game():
+    pygame.quit()
+
+main()