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【作品展示】

 

【作品介绍】

wasd上下左右

x发射

 

【作品源代码】

#导入库
import turtle
import random
import time
def up():
    player.sety(player.ycor()+10)
    if player.ycor() >h/2:
        player.goto(-w/2+100, 0)

def donw():
    player.sety(player.ycor()-10)
    if player.ycor() < -h/2:
        player.goto(-w/2+100, 0)

def right():
    player.setx(player.xcor()+10)
    if player.xcor() > w/2:
        player.goto(-w/2+100, 0)

def left():
    player.setx(player.xcor()-10)
    if player.xcor() < -w/2:
        player.goto(-w/2+100, 0)


def shoot():
    bullet=turtle.Turtle()
    bullet.shape('Bullet.gif')
    bullet.goto(player.position())
    player.bullets.append(bullet)

    
#设置场景幕布（宽高，背景色，飞船，帧数）

s=turtle.Screen()
s.title('三体舰队')
w,h=1200,800
s.setup(w,h)
s.bgcolor('black')
s.register_shape('s0.gif')
s.register_shape('s1.gif')
s.register_shape('s2.gif')
s.tracer(0,5)#不显示作图过程，每5毫秒刷新一次
s.register_shape('humanrocket.gif')
s.register_shape('Bullet.gif')

player = turtle.Turtle()
player. shape('humanrocket.gif')
player.penup()
player.goto(-w/2+100, 0)
player.bullets=[]

s.onkey(up,'w')
s.listen()
s.onkey(donw, 's')
s.listen()
s.onkey(left, 'a')
s.listen()
s.onkey(right, 'd')
s.listen()
s.onkey(shoot, 'x')
s.listen()




#创建星空
star=turtle.Turtle()
star.hideturtle()
star.pensize(1)
#star.penup()
star.color('white')
star.speed(0)
for i in range(100):
    star.penup()
    x=random.randint(-w/2,w/2)
    y=random.randint(-h/2,h/2)
    star.goto(x,y)
    star.pendown()
    star.begin_fill()
    star.circle(1)
    star.end_fill()


#创建母舰
mother_shettles=[
    turtle.Turtle(shape='s0.gif',visible=False),
    turtle.Turtle(shape='s1.gif',visible=False),
    turtle.Turtle(shape='s2.gif',visible=False)]


#克隆舰队
space_shuttles=[]
for i in range(60):
    shuttle_num=i%3
    space_shuttle=mother_shettles[shuttle_num].clone() #克隆
    space_shuttle.speed=random.random()*(shuttle_num+1)
    space_shuttles.append(space_shuttle)
    
#设置舰队的初始状态

for space_shuttle in space_shuttles:
    space_shuttle.hideturtle()
    space_shuttle.penup()
    space_shuttle.goto(w/2+random.randint(0,w/2),random.randint(-h/2,h/2))
    space_shuttle.showturtle()
#无线循环，控制舰队移动
start=time.time()
run=True
score=0
pen=turtle.Turtle()
pen.color('white')
pen.penup()
pen.goto(0,h/2-60)
pen.pendown()
while run:
    pen.clear()
    pen.write('积分：{}'.format(score),align='center',font=('宋体',30))
    End=time.time()
    timecha=End-start
    for bullet in player.bullets:

        if bullet.xcor() > w/2:
            player.bullets.remove(bullet)
            bullet.hideturtle()
            continue
        else:
            bullet.setx(bullet.xcor()+10)


        for space_shuttle in space_shuttles:
            if space_shuttle.distance(bullet)<20:
                score+=1
                bullet.hideturtle()
                player.bullets.remove(bullet)
                space_shuttle.goto(w/2+random.randint(0,w/2),random.randint(-h/2,h/2))
                break 

    for space_shuttle in space_shuttles:
        if space_shuttle.distance(player)<20:
            pen.clear()
            pen.write('击落敌机{}架，感谢您为人类做的贡献'.format(score),align='center',font=('宋体',30))
            run=False

        space_shuttle.setheading(180)
        space_shuttle.setx(space_shuttle.xcor()-space_shuttle.speed*(1+timecha/5))
        if space_shuttle.xcor()<-w/2:
            space_shuttle.hideturtle()
            space_shuttle.penup()
            space_shuttle.goto(w/2+random.randint(0,w/2),random.randint(-h/2,h/2))
            space_shuttle.showturtle()
    
    s.update()


turtle.done()

 

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