class SpriteManager(object):
""" A basic manager for adding sprites to the game."""
def __init__(self, sheet_json_file):
self.sheet = SpriteSheet(sheet_json_file)
self.groups = {}
for g in ['background', 'friendly', 'enemy', 'particle', 'ui']:
self.groups[g] = pygame.sprite.RenderUpdates()
self.screen = pygame.display.get_surface()
def add_star(self):
star_speed = uniform(0.1, 0.5)
star_x_location = randint(0,self.screen.get_width())
star_surface = self.sheet.new_surface('star_y_1')
new_star = StarSprite(star_surface, star_x_location, star_speed)
self.groups['background'].add(new_star)
return new_star
def add_ship(self):
ship_surface = self.sheet.new_surface('ship')
new_ship = ShipSprite(ship_surface,
self.screen.get_width()/2,
self.screen.get_height()-40)
self.groups['friendly'].add(new_ship)
return new_ship
def add_bullet(self, bullet_x, bullet_y):
bullet_surface = self.sheet.new_surface('bullet')
new_bullet = BulletSprite(bullet_surface,
bullet_x, bullet_y, -0.8)
self.groups['friendly'].add(new_bullet)
return new_bullet
def add_random_enemy(self):
enemy_speed = uniform(0.2, 0.5)
enemy_x_location = randint(0, self.screen.get_width())
if randint(1,2) == 1:
enemy_surface = self.sheet.new_surface('enemy_1')
new_enemy = EnemySprite(enemy_surface, enemy_x_location, enemy_speed)
else:
enemy_surface = self.sheet.new_surface('enemy_2')
new_enemy = PingPongEnemySprite(enemy_surface, enemy_x_location,
enemy_speed, self.screen.get_width())
self.groups['enemy'].add(new_enemy)
return new_enemy
def add_explosion(self, start_x, start_y):
explode_image = 'explode_{}'.format(randint(1,2))
explode_surface = self.sheet.new_surface(explode_image)
new_explode = ExplodeSprite(explode_surface, start_x, start_y)
self.groups['particle'].add(new_explode)
return new_explode
from random import randint
import pygame
from pygame.locals import *
from spritesheet import SpriteSheet
pygame.init()
screen = pygame.display.set_mode((500, 600))
sprite_sheet = SpriteSheet('assets/shooter_sheet.sheet')
star_surface = sprite_sheet.new_surface('star_y_1')
ship_surface = sprite_sheet.new_surface('ship')
bullet_surface = sprite_sheet.new_surface('bullet')
enemy_surface = sprite_sheet.new_surface('enemy_1')
class Star(pygame.sprite.Sprite):
def __init__(self, surface, speed, start_x):
pygame.sprite.Sprite.__init__(self)
self.image = surface
self.rect = self.image.get_rect()
self.last_time = pygame.time.get_ticks()
self.y = 0
self.rect.x = start_x
self.speed = speed
def update(self):
if self.rect.y >= 600:
from random import randint
import pygame
from pygame.locals import *
from spritesheet import SpriteSheet
pygame.init()
screen = pygame.display.set_mode((500, 600))
sprite_sheet = SpriteSheet('assets/shooter_sheet.sheet')
star_surface = sprite_sheet.new_surface('star_y_1')
class Star(pygame.sprite.Sprite):
def __init__(self, surface, speed, start_x):
pygame.sprite.Sprite.__init__(self)
self.image = surface
self.rect = self.image.get_rect()
self.last_time = pygame.time.get_ticks()
self.y = 0
self.rect.x = start_x
self.speed = speed
def update(self):
if self.rect.y >= 600:
self.kill()
return
current_time = pygame.time.get_ticks()
