I'm trying to build a space invader-like game for fun. It's mostly done, but when I shoot the enemy I want the text on the screen with his health to decrease.
Here is my code stripped only to the health updating part:
import pygame
from sys import exit
enemy_health = 10
pygame.init()
win = pygame.display.set_mode((1000, 1000))
pygame.display.set_caption("Fighter Pilot Go!")
clock = pygame.time.Clock()
font = pygame.font.Font(None, 55)
enemy_health_text = font.render(f'Enemy Health: {enemy_health}', False, 'white')
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
enemy_health_text -= 1
win.blit(enemy_health_text, (350, 60)
That's not all of the game, but it's the basic idea. The score doesn't update in the game till a laser hits the enemy.
Here is the whole game, if the code helps you understand my issue:
import pygame
from sys import exit
import random
speed = 5
laser_speed = 7
bullets = []
score = 0
max_num_of_bullet = 3
background_speed = 3
enemy_health = 10
direction = True
enemy_speed = 7
pygame.init()
win = pygame.display.set_mode((1000, 1000))
pygame.display.set_caption("Fighter Pilot Go!")
clock = pygame.time.Clock()
background1 = pygame.image.load('assets/background.gif')
background2 = pygame.image.load('assets/background.gif')
background1_rect = background1.get_rect(topleft=(0, 0))
background2_rect = background2.get_rect(topleft=(0, -1000))
player = pygame.image.load('assets/player.gif')
player_rect = player.get_rect(midtop=(500, 750))
enemy = pygame.image.load('assets/enemy.gif')
enemy_rect = enemy.get_rect(center=(500, 350))
laser = pygame.image.load('assets/laser.gif')
# laser_rect = laser.get_rect(midtop=(500, 800))
font = pygame.font.Font(None, 55)
enemy_health_text = font.render(f'Enemy Health: {enemy_health}', False, 'white')
def is_collided_with(a, b):
return abs(a[0] - b.centerx) < 51 and abs(a[1] - b.centery) < 51
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
if len(bullets) <= max_num_of_bullet - 1:
bullets.append([player_rect.x + 49, player_rect.y - 60])
elif len(bullets) > max_num_of_bullet - 1:
continue
else:
print("Something Weird is Happening!")
key = pygame.key.get_pressed()
if key[pygame.K_a]:
player_rect.x -= speed
if key[pygame.K_d]:
player_rect.x += speed
win.blit(background1, background1_rect)
win.blit(background2, background2_rect)
win.blit(player, player_rect)
win.blit(enemy, enemy_rect)
background1_rect.y += background_speed
background2_rect.y += background_speed
if direction:
enemy_rect.x -= enemy_speed
elif not direction:
enemy_rect.x += enemy_speed
if enemy_rect.x <= 0:
direction = False
elif enemy_rect.x >= 900:
direction = True
if player_rect.x < -20:
player_rect.x = 1020
if player_rect.x > 1020:
player_rect.x = -20
for bullet in bullets:
win.blit(laser, bullet)
for bullet in bullets:
bullet[1] -= laser_speed
win.blit(enemy_health_text, (350, 60))
for bullet in bullets:
if is_collided_with(bullet, enemy_rect):
bullets.remove(bullet)
enemy_health -= 1
for bullet in bullets:
if bullet[1] < 0:
bullets.remove(bullet)
if background1_rect.y >= 1000:
background1_rect.topleft = (0, -1000)
if background2_rect.y >= 1000:
background2_rect.topleft = (0, -1000)
if enemy_health <= 0:
pass
pygame.display.update()
clock.tick(60)
Any help would be appreciated. :) Thanks!
The text is rendered in the enemy_health_text Surface with the value of enemy_health. You have to change enemy_health and render the text again:
font = pygame.font.Font(None, 55)
enemy_health_text = font.render(f'Enemy Health: {enemy_health}', False, 'white')
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
enemy_health -= 1
enemy_health_text = font.render(f'Enemy Health: {enemy_health}', False, 'white')
win.fill(0)
win.blit(enemy_health_text, (350, 60)
pygame.display.flip()