class Game(arcade.Window):
def __init__(self):
super().__init__(title="Game",
width=15 * 64,
height=9 * 64,
fullscreen=False)
# Load background image
self.background_sprite = arcade.Sprite("assets/background.png",
center_x=self.width / 2,
center_y=self.height / 2)
self.static_sprites = arcade.SpriteList(is_static=True)
self.static_sprites.append(self.background_sprite)
# Create game objects
self.test_gun = Gun(300, 200)
self.bullets = []
self.player = Player(50, 50)
def on_key_press(self, symbol, modifiers):
if symbol == arcade.key.ESCAPE:
arcade.close_window()
if symbol == arcade.key.SPACE:
self.bullets.append(self.test_gun.fire())
# Start moving the player in the direction indicated
if symbol == arcade.key.W:
self.player.move_up(4)
if symbol == arcade.key.A:
self.player.move_left(4)
if symbol == arcade.key.S:
self.player.move_down(4)
if symbol == arcade.key.D:
self.player.move_right(4)
def on_key_release(self, symbol, modifiers):
# Stop moving the player if the correct key is released
if symbol == arcade.key.W and self.player.direction == "up":
self.player.stop()
if symbol == arcade.key.A and self.player.direction == "left":
self.player.stop()
if symbol == arcade.key.S and self.player.direction == "down":
self.player.stop()
if symbol == arcade.key.D and self.player.direction == "right":
self.player.stop()
def on_draw(self):
arcade.start_render()
# Draw backgroud and all non-moving sprites
self.static_sprites.draw()
# Draw game objects
self.player.draw()
self.test_gun.draw()
for bullet in self.bullets:
bullet.draw()
def on_update(self, deltatime):
# Update game objects
for bullet in self.bullets:
bullet.update()
self.test_gun.update(deltatime)
self.player.update()
self.player.update_animation(deltatime)
class Fleet:
def __init__(self, setting: settings, shoot_sound):
self.shoot_sound = shoot_sound
self.fleet = list()
self.move_speed = setting.alien_speed
self.creep_speed = setting.creep_speed
self.gun = Gun(setting)
self.setting = setting
self.saucer = Saucer(setting, Vector2(-64, 64 * 2))
for i in range(10):
self.fleet.append(Squid(setting, pygame.Vector2(70 * i, 70)))
for i in range(10):
self.fleet.append(Squid(setting, pygame.Vector2(70 * i, 70 * 2)))
for i in range(10):
self.fleet.append(Jelly(setting, pygame.Vector2(70 * i, 70 * 3)))
for i in range(10):
self.fleet.append(Jelly(setting, pygame.Vector2(70 * i, 70 * 4)))
for i in range(10):
self.fleet.append(Crab(setting, pygame.Vector2(70 * i, 70 * 5)))
for i in range(10):
self.fleet.append(Crab(setting, pygame.Vector2(70 * i, 70 * 6)))
def draw(self, surface, frame):
for alien in self.fleet:
alien.draw(surface, frame)
self.gun.draw(surface)
if self.saucer.spawned and not self.saucer.despawned:
self.saucer.draw(surface, frame)
def move(self):
for alien in self.fleet:
alien.move(self.move_speed)
if check_shoot():
self.shoot_sound.play()
self.gun.shoot(
self.setting,
Vector2(
alien.position.x + alien.sprite_sheet.cell_width / 2,
alien.position.y + alien.sprite_sheet.cell_height),
'down')
for bullet in self.gun.bullet_list:
bullet.move()
self.gun.out_of_bound()
if self.saucer.spawned and not self.saucer.despawned:
self.saucer.move()
else:
self.saucer.start_move()
def creep(self):
for alien in self.fleet:
alien.creep(self.creep_speed)
def out_of_bound(self, setting: settings):
hit = False
for alien in self.fleet:
if alien.rect.left < 0:
hit = True
if alien.rect.right > setting.screen_width:
hit = True
if hit:
self.move_speed = self.move_speed * -1
self.creep()
def speedup(self):
self.move_speed *= self.setting.speedup_scale
