def shoot(self, shooter):
if self.bulletInMagazine == 0:
self.reload(True)
return None
if self.delaying <= 0 and self.reloading <= 0:
self.shootSound.play()
self.delaying = self.shootDelay
self.bulletInMagazine -= 1
direction = 1 if shooter.facingRight else -1
bullets = []
bullets.append(
Bullet(
shooter.posX + self.offsetX, shooter.posY + self.offsetY,
shooter.posZ,
self.bulletSpeed * direction * math.cos(math.radians(0)),
0, self.bulletSpeed * math.sin(math.radians(0)),
self.bulletDamage, 16))
bullets.append(
Bullet(
shooter.posX + self.offsetX, shooter.posY + self.offsetY,
shooter.posZ,
self.bulletSpeed * direction * math.cos(math.radians(20)),
0, self.bulletSpeed * math.sin(math.radians(20)),
self.bulletDamage, 16))
bullets.append(
Bullet(
shooter.posX + self.offsetX, shooter.posY + self.offsetY,
shooter.posZ,
self.bulletSpeed * direction * math.cos(math.radians(-20)),
0, self.bulletSpeed * math.sin(math.radians(-20)),
self.bulletDamage, 16))
return bullets
def __init__(self, window, first=True):
self.window = window
self.window_width, self.window_height = window.get_size()
self.running = True
self.willTabQuit = True
self.score = 0
self.bg = pygame.image.load(str(Path('./assets/bg.jpg')))
self.font = pygame.font.SysFont('Hack', 14, True)
self.midFont = pygame.font.SysFont('Hack', 24, True)
self.bigFont = pygame.font.SysFont('Hack', 80, True)
self.player = Player(self.window)
self.bullet = Bullet(self.window, self.player)
self.enemy = Enemy(self.window)
self.display = True
self.count = 0
self.state = 'menu' if first else 'start'
def shoot(self, shooter):
if self.bulletInMagazine == 0:
self.reload(True)
return None
if self.delaying <= 0 and self.reloading <= 0:
self.shootSound.play()
self.delaying = self.shootDelay
self.bulletInMagazine -= 1
direction = 1 if shooter.facingRight else -1
return [
Bullet(shooter.posX + self.offsetX,
shooter.posY + self.offsetY, shooter.posZ,
self.bulletSpeed * direction, 0, 0, self.bulletDamage,
16)
]
def _fire_alien_bullet(self, alien):
self.bullet_elapsed = 0.0
# create new animation for this bullet
bullet_anim = config.atlas.load_animation("alien_bullet")
# calculate bullet center position
# it should align with the BOTTOM of the alien
r = pygame.Rect(0, 0, bullet_anim.width, bullet_anim.height)
r.bottom = alien.rect.bottom
r.centerx = alien.rect.centerx
bullet = Bullet(self.session_stats.alien_bullet, r.center, bullet_anim)
self.alien_bullets.add(bullet)
sounds.play("laser2")
def fire(self):
if self.wait_time_to_shoot > 0.:
return
min_time_between_shots = 1. / self.stats.bullets_per_second
self.wait_time_to_shoot = min_time_between_shots
bullet_anim = config.atlas.load_static("player_bullet")
r = pygame.Rect(0, 0, bullet_anim.width, bullet_anim.height)
r.top = self.rect.top
r.centerx = self.rect.centerx
bullet = Bullet(self.stats.player_bullet, r.center, bullet_anim)
self.bullet_manager.add(bullet)
sounds.play("laser1")
def fire_bullet(ai_settings, screen, ship, bullets):
# 创建一颗子弹，并将其加入到编组bullets中
if len(bullets) < ai_settings.bullets_allowed:
new_bullet = Bullet(ai_settings, screen, ship)
bullets.add(new_bullet)
def shoot(self):
bullet = Bullet(self.posX, self.posY)
bullet.play_sound()
return bullet
class Game:
def __init__(self, window, first=True):
self.window = window
self.window_width, self.window_height = window.get_size()
self.running = True
self.willTabQuit = True
self.score = 0
self.bg = pygame.image.load(str(Path('./assets/bg.jpg')))
self.font = pygame.font.SysFont('Hack', 14, True)
self.midFont = pygame.font.SysFont('Hack', 24, True)
self.bigFont = pygame.font.SysFont('Hack', 80, True)
self.player = Player(self.window)
self.bullet = Bullet(self.window, self.player)
self.enemy = Enemy(self.window)
self.display = True
self.count = 0
self.state = 'menu' if first else 'start'
# Main Game State
def run(self):
if self.state == 'menu':
self.menu()
elif self.state == 'start':
self.start()
elif self.state == 'over':
self.game_over()
# Starts game
def start(self):
for event in pygame.event.get():
if event.type is pygame.QUIT:
self.running = False
if event.type is pygame.KEYDOWN:
if event.key is pygame.K_TAB and self.willTabQuit:
self.running = False
if event.key is pygame.K_a:
self.player.toggleMoving(True)
self.player.moveLeft()
if event.key is pygame.K_d:
self.player.toggleMoving(True)
self.player.moveRight()
if event.key is pygame.K_w:
self.player.toggleMoving(True)
self.player.moveUp()
if event.key is pygame.K_s:
self.player.toggleMoving(True)
self.player.moveDown()
if event.key is pygame.K_SPACE:
if self.bullet.bullet_state == 'ready':
self.bullet.setShootingPos(self.player.playerX)
self.bullet.bullet_state = 'shoot'
if event.type is pygame.KEYUP:
self.player.toggleMoving(False)
# Draw Entities
self.draw_window()
# Draws All Entities On Window
def draw_window(self):
# Moves Player When Key Pressed
if self.player.moving:
self.player.move()
# Draws Bullet On State
self.bullet.draw()
# Draws Enemy
self.enemy.move()
self.enemy.draw()
# Checks Bullet-Enemy Collide
if self.bullet.checkCollide(self.enemy):
self.enemy.randomizePosition()
self.score += 1
# Game Over State
if self.enemy.isGameOver():
self.state = 'over'
# Draws Player
self.player.draw()
# Update Player Position
self.window.blit(self.update_pos(), (self.window_width - 140, 0))
# Draw Score
self.window.blit(self.update_score(), (5, 20))
# Start Menu
def menu(self):
for event in pygame.event.get():
if event.type is pygame.QUIT:
self.running = False
if event.type is pygame.KEYDOWN:
if event.key is pygame.K_TAB and self.willTabQuit:
self.running = False
if event.key is pygame.K_SPACE:
self.__init__(self.window, False)
self.state = 'start'
# Game Title text
title = 'Space Shooter'
title_text = self.bigFont.render(title, 1, pygame.Color('white'))
title_width, title_height = title_text.get_size()
title_x, title_y = self.window_width / 2 - title_width / \
2, self.window_height/2 - title_height/2
# Start Prompt Text
start = 'Press Space To Start'
start_text = self.midFont.render(start, 1, pygame.Color('white'))
start_width, start_height = start_text.get_size()
start_x, start_y = self.window_width / 2 - start_width / \
2, self.window_height/2 - start_height/2 + (title_height/2) + 10
self.window.blit(title_text, (title_x, title_y))
# Blinking text
self.count += 1
if self.count > 30:
self.count = 0
self.display = not self.display
if self.display:
self.window.blit(start_text, (start_x, start_y))
# Game Over Menu
def game_over(self):
for event in pygame.event.get():
if event.type is pygame.QUIT:
self.running = False
if event.type is pygame.KEYDOWN:
if event.key is pygame.K_TAB and self.willTabQuit:
self.running = False
if event.key is pygame.K_SPACE:
self.__init__(self.window, False)
self.state = 'start'
# Game Over Text
over = 'GAME OVER'
game_over_text = self.bigFont.render(over, 1, pygame.Color('white'))
over_width, over_height = game_over_text.get_size()
over_x, over_y = self.window_width / 2 - over_width / \
2, self.window_height/2 - over_height/2
# Continue Prompt Text
con = 'Press Space To Continue'
continue_text = self.midFont.render(con, 1, pygame.Color('white'))
con_width, con_height = continue_text.get_size()
con_x, con_y = self.window_width / 2 - con_width / \
2, self.window_height/2 - con_height/2 + (over_height/2) + 10
# Score Text
score = f'Score: {self.score}'
score_text = self.midFont.render(score, 1, pygame.Color('white'))
score_width, score_height = score_text.get_size()
score_x, score_y = self.window_width / 2 - score_width / \
2, self.window_height/2 - score_height/2 - (over_height/2) - 10
self.window.blit(game_over_text, (over_x, over_y))
self.window.blit(score_text, (score_x, score_y))
# Blinking Text
self.count += 1
if self.count > 30:
self.count = 0
self.display = not self.display
if self.display:
self.window.blit(continue_text, (con_x, con_y))
def update_pos(self):
pos = f'X: {self.player.playerX} Y: {self.player.playerY}'
pos_text = self.font.render(pos, 1, pygame.Color("white"))
return pos_text
def update_score(self):
score = f'Score: {self.score}'
score_text = self.font.render(score, 1, pygame.Color("white"))
return score_text
def fire_bullet(ai_settings, screen, ship, bullets):
if len(bullets) < ai_settings.bullets_allowed:
new_bullet = Bullet(ai_settings, screen, ship)
bullets.add(new_bullet)