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Copy pathspace_invaders_game.py
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160 lines (126 loc) · 4.2 KB
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import pygame
import random
# Initialize pygame
pygame.init()
# Define constants
WIDTH = 800
HEIGHT = 600
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
YELLOW = (255, 255, 0)
# Set up the screen
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Space Invaders")
# Set up fonts
font = pygame.font.SysFont("comicsansms", 30)
# Load images
player_image = pygame.image.load('spaceship.png')
player_rect = player_image.get_rect()
# Player class to represent the spaceship
class Player:
def __init__(self):
self.x = WIDTH // 2 - player_rect.width // 2
self.y = HEIGHT - player_rect.height - 10
self.speed = 10
def move(self, left, right):
keys = pygame.key.get_pressed()
if keys[left] and self.x > 0:
self.x -= self.speed
if keys[right] and self.x < WIDTH - player_rect.width:
self.x += self.speed
def draw(self, screen):
screen.blit(player_image, (self.x, self.y))
# Bullet class to represent the bullets fired by the player
class Bullet:
def __init__(self, x, y):
self.x = x
self.y = y
self.width = 5
self.height = 10
self.speed = 10
def move(self):
self.y -= self.speed
def draw(self, screen):
pygame.draw.rect(screen, YELLOW, (self.x + 20, self.y, self.width, self.height))
# Enemy class to represent the alien invaders
class Enemy:
def __init__(self, x, y):
self.x = x
self.y = y
self.width = 50
self.height = 50
self.speed = 2
def move(self):
self.y += self.speed
def draw(self, screen):
pygame.draw.rect(screen, RED, (self.x, self.y, self.width, self.height))
# Function to display the score
def display_score(score):
score_text = font.render(f"Score: {score}", True, WHITE)
screen.blit(score_text, (10, 10))
# Main game loop
def game_loop():
player = Player()
bullets = []
enemies = []
score = 0
# Create enemies
for i in range(5):
for j in range(3):
enemy = Enemy(100 + i * 100, 50 + j * 50)
enemies.append(enemy)
clock = pygame.time.Clock()
game_over = False
while not game_over:
screen.fill(BLACK)
# Draw player and enemies
player.draw(screen)
for enemy in enemies:
enemy.move()
enemy.draw(screen)
for bullet in bullets:
bullet.move()
bullet.draw(screen)
# Handle events
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
bullet = Bullet(player.x, player.y)
bullets.append(bullet)
# Move the player
player.move(pygame.K_LEFT, pygame.K_RIGHT)
# Check for collisions with enemies
for bullet in bullets:
for enemy in enemies:
if enemy.x < bullet.x + bullet.width and enemy.x + enemy.width > bullet.x and \
enemy.y < bullet.y + bullet.height and enemy.y + enemy.height > bullet.y:
bullets.remove(bullet)
enemies.remove(enemy)
score += 10
# Remove bullets that go off-screen
for bullet in bullets[:]:
if bullet.y < 0:
bullets.remove(bullet)
# Check if any enemy reaches the bottom
for enemy in enemies:
if enemy.y >= HEIGHT - enemy.height:
game_over = True
break
# Display score
display_score(score)
pygame.display.update()
clock.tick(60)
# Display game over screen
game_over_text = font.render("Game Over!", True, WHITE)
screen.blit(game_over_text, (WIDTH // 2 - game_over_text.get_width() // 2, HEIGHT // 2))
pygame.display.update()
pygame.time.wait(2000)
pygame.quit()
# Start the game
if __name__ == "__main__":
game_loop()