1 import pygame
  2 from os import path
  3 from xml.dom.minidom import parse
  4
  5 SIZE = (WIDTH, HEIGHT) = (265, 320)
  6 FPS = 45
  7
  8 BLACK = 0, 0, 0
  9 WHITE = 255, 255, 255
 10
 11 pygame.init()
 12 pygame.mixer.init()
 13
 14 screen = pygame.display.set_mode(SIZE)
 15 pygame.display.set_caption("My Game")
 16 clock = pygame.time.Clock()
 17
 18 spritesheet_image_file_name = path.join(path.dirname(__file__), "../img/spritesheet_jumper.png")
 19 spritesheet_xml_file_name = path.join(path.dirname(__file__), "../img/spritesheet_jumper.xml")
 20 spritesheet_image = pygame.image.load(spritesheet_image_file_name)
 21 spritesheet_image.set_colorkey(BLACK)
 22 spritesheet_dom_tree = parse(spritesheet_xml_file_name)
 23 root_textures = spritesheet_dom_tree.documentElement
 24 sub_textures = root_textures.getElementsByTagName("SubTexture")
 25 dic_image = {}
 26
 27
 28 def get_image_rect(img_name):
 29     if dic_image.get(img_name):
 30         return dic_image[img_name]
 31     for texture in sub_textures:
 32         name = texture.getAttribute("name")
 33         if img_name == name:
 34             dic_image[img_name] = pygame.Rect(
 35                 int(texture.getAttribute("x")),
 36                 int(texture.getAttribute("y")),
 37                 int(texture.getAttribute("width")),
 38                 int(texture.getAttribute("height"))
 39             )
 40             return dic_image[img_name]
 41
 42
 43 def get_image(img_name):
 44     rect = get_image_rect(img_name);
 45     image = pygame.Surface((rect.width, rect.height))
 46     image.blit(spritesheet_image, (0, 0), rect)
 47     image.set_colorkey(BLACK)
 48     return image
 49
 50
 51 class Demo(pygame.sprite.Sprite):
 52     def __init__(self, image, pos):
 53         pygame.sprite.Sprite.__init__(self)
 54         self.image = image
 55         self.rect = self.image.get_rect()
 56         self.rect.x = pos[0]
 57         self.rect.y = pos[1]
 58
 59
 60 running = True
 61 pos1 = (20, 5)
 62 pos2 = (125, 110)
 63
 64 demo1 = Demo(get_image("bunny1_walk1.png"), pos1)
 65 demo2 = Demo(get_image("bunny2_stand.png"), pos2)
 66
 67 all_sprites = pygame.sprite.LayeredUpdates()
 68 all_sprites.add(demo1, layer=2)
 69 all_sprites.add(demo2, layer=1)
 70
 71 group2 = pygame.sprite.Group()
 72 group2.add(demo2)
 73
 74 while running:
 75     clock.tick(FPS)
 76
 77     for event in pygame.event.get():
 78         if event.type == pygame.QUIT:
 79             running = False
 80         if event.type == pygame.KEYDOWN:
 81             if event.key == pygame.K_LEFT:
 82                 demo1.rect.x += -3
 83             if event.key == pygame.K_RIGHT:
 84                 demo1.rect.x += 3
 85             if event.key == pygame.K_UP:
 86                 demo1.rect.y += -3
 87             if event.key == pygame.K_DOWN:
 88                 demo1.rect.y += 3
 89
 90     screen.fill(BLACK)
 91
 92     all_sprites.draw(screen)
 93
 94     pygame.draw.rect(screen, (0, 255, 0), demo2.rect, 1)
 95     pygame.draw.rect(screen, (255, 0, 0), demo1.rect, 1)
 96
 97     font = pygame.font.SysFont("Menlo", 25, True)
 98
 99     # 默认的检测模式(rect)
100     if pygame.sprite.spritecollide(demo1, group2, False):
101         pos_txt = font.render("hit:true", 1, (255, 255, 128))
102     else:
103         pos_txt = font.render("hit:false", 1, (255, 255, 128))
104     screen.blit(pos_txt, (150, 10))
105
106     pygame.display.update()
107
108 pygame.quit()

1 class Demo(pygame.sprite.Sprite):
2     def __init__(self, image, pos):
3         pygame.sprite.Sprite.__init__(self)
4         self.image = image
5         self.rect = self.image.get_rect()
6         self.rect.x = pos[0]
7         self.rect.y = pos[1]
8         #指定蒙版
9         self.mask = pygame.mask.from_surface(self.image)