作业day19

什么是对象

对象是具有特征和技能的实体

什么是类

类是具有一系列对象相同特征和技能的结合体

绑定方法有什么特点

把对象当作第一个参数传入该方法中

理解敲出来的

class Riven:
    camp = 'Noxus'
    def __init__(self,nickname,aggressivuty=54,life_value=414,money=1001,armor=3):
        self.nickname = nickname
        self.aggressivity = aggressivuty
        self.life_value = life_value
        self.money = money
        self.armor = armor
    def attack(self,enemy):
        damage_value = self.aggressivity - enemy.armor
        enemy.life_value -= damage_value

class Garen:
    camp = 'Demacia'
    def __init__(self,nickname,aggressivity=58,life_value=455,money=100,armor=10):
        self.nickname = nickname
        self.aggressivity = aggressivity
        self.life_value = life_value
        self.money = money
        self.armor = armor
    def attack(self,enemy):
        damage_value = self.aggressivity - enemy.armor
        enemy.life_value -= damage_value
class BlackCleaver:
    def __init__(self,price=475,aggrev=9,life_value =100):
        self.price =price
        self.aggrev = aggrev
        self.life_value = life_value
    def update(self,obj):
        obj.money -= self.price
        obj.aggressivity += self.aggrev
        obj.life_value += self.life_value
    def fire(self,obj):
        obj.life_value -= 1000


r1 = Riven('草丛伦')
g1 = Garen('盖文')
b1 = BlackCleaver()
print(r1.aggressivity,r1.life_value,r1.money)


if r1.money > b1.price:
    r1.skill = b1
    b1.update(r1)
print(r1.aggressivity,r1.money,r1.life_value)

print(g1.life_value)

r1.attack(g1)
print(g1.life_value)
r1.b1.fire(g1)# 特殊攻击
print(g1.life_value)