Python之路，Day18 = Python基础18-面向对象继承与组合
类的继承
1 def talk():
2 print("I am come from talk..a")
3
4 class Animal:
5 def say(self):
6 print("say")
7
8 class Person(object):
9 def __init__(self, name, age):
10 self.name = name
11 self.age = age
12
13 def walk(self):
14 print("%s is walking..."%self.name)
15
16 class Teacher(Person):
17 def say(self):
18 Animal.say(123)
19 pass
20
21 class Student(Person):
22 def __init__(self, name, age, tuition):
23 Person.__init__(self, name, age)
24 self.tuition = tuition
25
26 def walk(self):
27 Person.walk(self)
28 print("I am come from Student...")
29
30 def talk(self):
31 talk() # 对象可以调用外面的函数
32
33 t = Teacher(‘zhang‘, 18)
34 print(t.name, t.age)
35 t.walk()
36 t.say()
37
38
39 s = Student(‘liu‘, 17, 19800)
40 print(s.name, s.age)
41 s.walk()
42 print(s.tuition)
43
44
45 s.talk()
类的组合
1 class BirthDay(object):
2 def __init__(self, year, mon, day):
3 self.year = year
4 self.mon = mon
5 self.day = day
6
7 def tellInfo(self):
8 print("comes from BirthDay")
9 return "year:%s mon:%s day:%s"%(self.year, self.mon, self.day)
10
11
12 class Teacher(object):
13 def __init__(self, name, age, sex, birth):
14 self.name = name
15 self.age = age
16 self.sex =sex
17 self.birth = birth
18
19
20
21 t = Teacher(‘zhang‘, 18, ‘male‘, BirthDay(1999, 9, 99))
22
23 print(t.birth.tellInfo())
文件目录规范
飞机大战的例子
1 import time
2 import pygame
3 from sys import exit
4
5 def main():
6
7 screen = pygame.display.set_mode((512, 768), 0, 32)
8 pygame.display.set_caption("飞机大战之类的练习")
9 pygame.mouse.set_visible(False)
10 background = pygame.image.load(r".\img\background.jpg")
11 hero_plan_len = 151
12 hero_plan_hig = 108
13
14 hero_plan = HeroPlan(screen, hero_plan_len, hero_plan_hig)
15 enemy_plan = EnemyPlan(screen)
16
17
18 while True:
19 screen.blit(background, (0,0))
20
21 hero_plan.display()
22 get_input(hero_plan)
23
24 enemy_plan.display()
25
26 pygame.display.update()
27
28 time.sleep(0.03)
29
30 class BasePlan:
31 def __init__(self, screen, x, y):
32 self.screen = screen
33 self.x = x
34 self.y = y
35 self.buttle = []
36 self.count = 0
37
38 def display(self):
39 self.move()
40 self.screen.blit(self.plan, (self.x, self.y))
41 self.fire()
42
43 for buttle in self.buttle:
44 if buttle.clearButtle():
45 self.buttle.remove(buttle)
46
47 buttle.move()
48 buttle.display()
49
50
51 def move(self):
52 pass
53
54
55 class HeroPlan(BasePlan):
56 def __init__(self, screen, lenth, high):
57 super().__init__(screen, 180, 640)
58 self.lenth = lenth
59 self.high = high
60 self.plan = pygame.image.load(r".\img\hero_plan.png")
61
62
63 def fire(self):
64 if self.count == 2:
65 self.buttle.append(HeroBullet(self.screen, self.x + 20, self.y - 48))
66 self.buttle.append(HeroBullet(self.screen, self.x + 105, self.y - 48))
67 self.count = 0
68 else:
69 self.count += 1
70
71
72 class EnemyPlan(BasePlan):
73 def __init__(self, screen):
74 super().__init__(screen, 0, 0)
75 self.direction = "right"
76 self.plan = pygame.image.load(r".\img\enemy_plan.png")
77
78 def move(self):
79 if self.direction == "right":
80 self.x += 10
81 elif self.direction == ‘left‘:
82 self.x -= 10
83
84 if self.x <= 0:
85 self.direction = "right"
86 elif self.x >= 248:
87 self.direction = "left"
88
89 def fire(self):
90 if self.count == 20:
91 self.buttle.append(EnemyButtle(self.screen, self.x+40, self.y+160))
92 self.buttle.append(EnemyButtle(self.screen, self.x+175, self.y+160))
93 self.count = 0
94 else:
95 self.count += 1
96
97
98 class BaseBullet:
99 def __init__(self, screen, x, y):
100 self.screen = screen
101 self.x = x
102 self.y = y
103
104 def display(self):
105 self.screen.blit(self.buttle, (self.x, self.y))
106
107 class HeroBullet(BaseBullet):
108 def __init__(self, screen, x, y):
109 super().__init__(screen, x, y)
110 self.buttle = pygame.image.load(r".\img\hero_bullet.png")
111
112 def move(self):
113 self.y -= 20
114
115 def clearButtle(self):
116 if self.y < 0:
117 return True
118
119
120 class EnemyButtle(BaseBullet):
121 def __init__(self, screen, x, y):
122 super().__init__(screen, x, y)
123 self.buttle = pygame.image.load(r".\img\enemy_bullet.png")
124
125 def move(self):
126 self.y += 10
127
128 def clearButtle(self):
129 if self.y > 714:
130 return True
131
132 def get_input(hero_plan):
133 for event in pygame.event.get():
134 if event.type == pygame.QUIT:
135 exit()
136
137 x, y = pygame.mouse.get_pos()
138 hero_plan.x = x - hero_plan.lenth/2
139 hero_plan.y = y - hero_plan.high/2
140
141 def key_control(hero_temp):
142
143 #获取事件，比如按键等
144 for event in pygame.event.get():
145
146 #判断是否是点击了退出按钮
147 if event.type == QUIT:
148 print("exit")
149 exit()
150 #判断是否是按下了键
151 elif event.type == KEYDOWN:
152 #检测按键是否是a或者left
153 if event.key == K_a or event.key == K_LEFT:
154 print(‘left‘)
155 hero_temp.move_left()
156 #检测按键是否是d或者right
157 elif event.key == K_d or event.key == K_RIGHT:
158 print(‘right‘)
159 hero_temp.move_right()
160 #检测按键是否是空格键
161 elif event.key == K_SPACE:
162 print(‘space‘)
163 hero_temp.fire()
164
165
166 if __name__ == "__main__":
167 main()
时间： 2024-10-15 15:40:48