# handle events
input(pygame.event.get())
time_passed = clock.tick(FPS)
# manage the background
screen.blit(background, (0,background_pos))
background_pos -= 1
if background_pos <= SCREEN_HEIGHT - background.get_height():
background_pos = 0
# draw the score
text = font.render("Score:" + str(score), 1, (0,255,0))
screen.blit(text, COUNTER_LOCATION)
# manage the cruiser
my_cruiser.update()
my_cruiser.draw()
# manage the enemies
enemies.update()
time_to_respawn += 1
if time_to_respawn >= 100 and not gameover:
for j in range (randint(0, 10)):
enemies.add(Enemy(screen, randint(1, SCREEN_WIDTH), 0, randint(1, 5), randint(1,5)))
time_to_respawn = 0
for e in enemies:
e.draw()
# detect laser-enemy collisions
if pygame.sprite.spritecollide(e, my_cruiser.lasers, True):
score += e.die()
enemy.hit() laser.hit() score += 100 # Redraw the background screen.fill(BACKGROUND_COLOR) # Draw scrolling background bg.update() bg.draw() # Show score screen.blit(text, SCORE_LOCATION) # Update & draw battle cruiser cruiser.update(events) cruiser.draw() # Update and redraw all sprites for laser in lasers: laser.update() laser.draw() for enemy in enemies: enemy.update() enemy.draw() # Draw sprites pygame.display.flip()
if event.key == K_UP:
ship_events.append(event)
if event.key == K_DOWN:
ship_events.append(event)
if event.key == K_LEFT:
ship_events.append(event)
if event.key == K_RIGHT:
ship_events.append(event)
screen.fill(BACKGROUND_COLOR)
ram_aras.update()
end_aras.update()
ram_aras.draw()
ship.update(ship_events)
ship_events = []
ship.draw()
for zerg in swarm:
zerg.update()
zerg.draw()
if pygame.sprite.collide_rect(ship, zerg) and ship.active == True and zerg.active == True:
ship.death()
game_over = True
for shot in ship.lasers:
if pygame.sprite.collide_rect(shot,zerg) and zerg.active == True:
score+=100
ship.lasers.remove(shot)
class Game:
DEBUG = False
def __init__(self, title, screen_width, screen_height):
# Initialize Pygame
pygame.init()
# Set up screen
self.SCREEN_WIDTH = screen_width
self.SCREEN_HEIGHT = screen_height
self.window = pygame.display.set_mode((self.SCREEN_WIDTH, self.SCREEN_HEIGHT))
pygame.display.set_caption(title) # Set the window bar title
self.screen = pygame.display.get_surface() # This is where images are displayed
# Set up font
self.font = pygame.font.Font(None, 36)
# Generate Battlecruiser
self.battlecruiser = Battlecruiser(self.screen,
self.SCREEN_WIDTH / 2,
self.SCREEN_HEIGHT * 5 / 7)
# Generate 10 enemies
self.enemies = []
for i in range(10):
self.enemies.append(Enemy(self.screen, randint(0, self.SCREEN_WIDTH), randint(0, self.SCREEN_HEIGHT - 300), self.battlecruiser))
# Add all sprites to group
self.sprites = pygame.sprite.Group(self.battlecruiser, self.enemies)
# Set up clock
self.clock = pygame.time.Clock()
self.FPS = 30
self.seconds = 0
pygame.time.set_timer(USEREVENT + 1, 1000) # Used to correctly implement seconds
def run(self):
while True: # for each frame
self.handle_input()
for sprite in self.sprites:
sprite.update()
self.clock.tick(self.FPS)
self.screen.fill((255, 255, 255))
for sprite in self.sprites:
sprite.draw()
score = (11 - len(self.sprites)) * 100
ending_font = self.font.render("Score: {0}".format(score), 1, (0, 0, 255))
self.screen.blit(ending_font, (10, 10))
pygame.display.flip()
def handle_input(self):
for event in pygame.event.get():
if event.type == QUIT:
self.quit()
elif event.type == KEYDOWN:
if event.key == K_ESCAPE:
self.quit()
elif event.key == K_LEFT:
self.battlecruiser.update("LEFT")
elif event.key == K_RIGHT:
self.battlecruiser.update("RIGHT")
elif event.key == K_UP:
self.battlecruiser.update("UP")
elif event.key == K_DOWN:
self.battlecruiser.update("DOWN")
elif event.key == K_SPACE:
self.battlecruiser.update("FIRE")
elif event.type == USEREVENT + 1:
self.seconds += 1
def quit(self):
quit()
def main():
# Check if sound and font are supported
if not pygame.font:
print "Warning, fonts disabled"
if not pygame.mixer:
print "Warning, sound disabled"
# Constants
FPS = 50
SCREEN_WIDTH, SCREEN_HEIGHT = 800, 600
BACKGROUND_COLOR = (0, 0, 0)
LASER_SPEED = 300
SHIP_SPEED = 300
SCROLL_SPEED = 50
SCORE_POS = (20, 20)
ENEMY_RELEASE_DELAY = 750
MIN_SPEED = 100
MAX_SPEED = 350
# Initialize Pygame, the clock, a font, and a screen
pygame.init()
pygame.display.set_caption("Game.py")
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT), 0, 32)
clock = pygame.time.Clock()
font = pygame.font.Font(None, 36)
endfont = pygame.font.Font(None, 60)
# Create the sprite group
lasers = pygame.sprite.Group()
enemies = pygame.sprite.Group()
player = Battlecruiser(screen, (SCREEN_WIDTH / 2), -1, SHIP_SPEED)
background = ScrollingBackground(screen, SCROLL_SPEED)
# Initialize variables
score = 0
delay_counter = 0
# Game loop
while True:
time_passed = clock.tick(FPS)
# Event handling here (to quit)
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == KEYDOWN:
if event.key == K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == K_SPACE and player.get_state() == "Flying":
lasers.add(player.shoot())
if event.key == K_UP:
player.up()
if event.key == K_DOWN:
player.down()
if event.key == K_LEFT:
player.left()
if event.key == K_RIGHT:
player.right()
if event.key == K_r and player.get_state() == "Dead":
enemies.empty()
lasers.empty()
background.kill()
background = ScrollingBackground(screen, SCROLL_SPEED)
player.kill()
player = Battlecruiser(screen, (SCREEN_WIDTH / 2), -1, SHIP_SPEED)
elif event.type == KEYUP:
if event.key == K_UP:
if player.get_direction()[1] < 0:
player.zero_vert()
if event.key == K_DOWN:
if player.get_direction()[1] > 0:
player.zero_vert()
if event.key == K_LEFT:
if player.get_direction()[0] < 0:
player.zero_hort()
if event.key == K_RIGHT:
if player.get_direction()[0] > 0:
player.zero_hort()
# Update if player still alive
if player.get_state() == "Flying":
delay_counter += time_passed
if delay_counter >= ENEMY_RELEASE_DELAY:
enemies.add(
Enemy(
screen,
randint(1, SCREEN_WIDTH),
0,
randint(MIN_SPEED, MAX_SPEED),
randint(MAX_SPEED * -1, MAX_SPEED),
randint(MIN_SPEED, MAX_SPEED) * -1,
)
)
delay_counter = 0
# Redraw the background
background.update(time_passed)
background.draw()
# Draw score
fontscore = font.render(str(score), 1, (255, 255, 255))
screen.blit(fontscore, SCORE_POS)
# Check for collisions
player_collision = pygame.sprite.spritecollideany(player, enemies)
if player_collision is not None:
if player_collision.get_state() is not "Dead":
player.explode()
collided = pygame.sprite.groupcollide(enemies, lasers, False, False)
for enemy in collided:
if enemy.get_state() == "Flying":
enemy.explode()
score += 100
# Update and redraw all enemies
enemies.update(time_passed)
for enemy in enemies.sprites():
enemy.draw()
# Update and redraw all lasers
lasers.update(time_passed)
for laser in lasers.sprites():
laser.draw()
player.update(time_passed)
player.draw()
# Allow death to progress
else:
player.update(time_passed)
player.draw()
if player.get_active():
endtext = endfont.render("Final Score: " + str(score), 1, (255, 255, 255))
screen.blit(endtext, (240, 180))
else:
endtext = endfont.render(("'r' to restart."), 1, (255, 255, 255))
screen.blit(endtext, (240, 250))
# Draw the sprites
pygame.display.update()
''' Generate a new enemy every so often '''
if (len(enemies) <= 10 and counter % (FPS / ENEMY_GEN) == 0):
enemies.append(Enemy(screen, ENEMY_IMAGE, EXPLODE_IMAGE, randint(0, SCREEN_WIDTH), 1, randint(-1*ENEMY_MAX_SPEED, ENEMY_MAX_SPEED), ENEMY_MAX_SPEED, ))
#update stuff
enemy_index = 0
for enemy in enemies:
if enemy.active == False:
enemies.pop(enemy_index)
else:
enemy.update(FPS)
enemy.draw()
enemy_index += 1
player.update(FPS)
player.draw()
counter += 1
y_pos_on_scroll += 1
''' collision detection '''
for enemy in enemies:
for laser in player.lasers:
if (pygame.sprite.collide_rect(laser, enemy) and enemy.exploding == False):
score += 100
enemy.explode()
break
#check if player lost
for enemy in enemies:
if (pygame.sprite.collide_rect(player, enemy) == True):
