Add text-based plane battle game

plane_battle.py

@@ -0,0 +1,55 @@
+import random
+random.seed(0)
+
+WIDTH = 20
+HEIGHT = 10
+
+player_x = WIDTH // 2
+enemy_x = random.randint(0, WIDTH - 1)
+bullet = None  # (x, y) or None
+enemy_dir = 1
+
+print("Welcome to Plane Battle!")
+print("Move with 'a' (left) and 'd' (right), shoot with 'w'. Quit with 'q'.")
+
+while True:
+    board = [[' ' for _ in range(WIDTH)] for _ in range(HEIGHT)]
+    # Draw enemy
+    board[0][enemy_x] = 'V'
+    # Draw bullet
+    if bullet is not None:
+        bx, by = bullet
+        if 0 <= by < HEIGHT:
+            board[by][bx] = '|'
+        else:
+            bullet = None
+    # Draw player
+    board[HEIGHT - 1][player_x] = '^'
+
+    print('\n'.join(''.join(row) for row in board))
+
+    # Check win
+    if bullet is not None and bullet[1] == 0 and bullet[0] == enemy_x:
+        print("You win!")
+        break
+
+    cmd = input("Command: ").strip().lower()
+    if cmd == 'a' and player_x > 0:
+        player_x -= 1
+    elif cmd == 'd' and player_x < WIDTH - 1:
+        player_x += 1
+    elif cmd == 'w' and bullet is None:
+        bullet = (player_x, HEIGHT - 2)
+    elif cmd == 'q':
+        print("Goodbye!")
+        break
+
+    # Update bullet position
+    if bullet is not None:
+        bx, by = bullet
+        bullet = (bx, by - 1)
+
+    # Move enemy
+    enemy_x += enemy_dir
+    if enemy_x <= 0 or enemy_x >= WIDTH - 1:
+        enemy_dir *= -1