Home >Backend Development >Python Tutorial >How to Make a Player Shoot Bullets in a Game While Keeping the Player Visible?
This question involves implementing the ability to shoot bullets when the space bar is pressed, while maintaining a player character on the screen.
The asker's code initially had a problem where the player character disappeared when shooting. This is because the shooting and player movement were separated into different loops. To address this, we need to combine them into a single main loop where both behaviors are updated simultaneously.
Another issue was the inability to break the shooting loop when the bullet reached the top of the screen. The original code used a while loop that continued infinitely. To fix this, we need to use a while loop with a condition that checks if the bullet has reached the top.
Here's a revised version of the code:
<code class="python">import pygame, os # Boilerplate setup omitted for brevity class Player: def __init__(self, x, y, height, width): ... def draw(self): ... def move_left(self): ... def move_right(self): ... class Bullet: def __init__(self, x, y): ... def update(self): ... def draw(self): ... # Lists of bullets bullets = [] # Initialize player p = Player(600, 500, 50, 30) # Main game loop run = True while run: clock.tick(100) # Handle events for event in pygame.event.get(): if event.type == pygame.QUIT: run = False if event.type == pygame.KEYDOWN: if event.key == pygame.K_SPACE: bullets.append(Bullet(p.x+p.width//2, p.y)) # Update objects keys = pygame.key.get_pressed() if keys[pygame.K_LEFT]: p.move_left() if keys[pygame.K_RIGHT]: p.move_right() for b in bullets: b.update() # Update position and remove bullet if it goes off-screen if b.y < 0: bullets.remove(b) # Update frame d.fill((98, 98, 98)) for b in bullets: b.draw() p.draw() win.update()</code>
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