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【作品展示】

 

【作品介绍】

我的星际穿越第二部，用交互的方式通过输入宇宙飞船的x和y坐标来控制飞船穿越黑洞的位置。

 

【作品源代码】

import turtle

turtle.bgcolor('black')
turtle.speed(0)
turtle.delay(0)
mypen = turtle.Pen()
mypen.hideturtle()

# 黑洞

def draw_blackhole(holesize):

    # 中心的圆
    mypen.pendown()
    outside = holesize
    mypen.color("lightyellow")
    mypen.dot(outside)
    mypen.color("black")
    mypen.dot(outside-outside/5)

    inside = (outside-outside/4)
    mypen.color("lightyellow")
    mypen.dot(inside)
    mypen.color("black")
    mypen.dot(inside - 5)
    #线
    #mypen.penup()
    mypen.left(180)
    mypen.forward(outside)
    mypen.pendown()
    mypen.color("lightyellow")
    mypen.left(180)
    mypen.forward(outside*2)
    mypen.right(180)
    mypen.forward(outside*2-outside/8)
    mypen.left(180)
    mypen.pensize(5)
    mypen.forward(outside*2-outside/8*2)
    mypen.left(180)
    mypen.forward(outside/8)
    mypen.pensize(10)
    mypen.forward(outside+outside/2)

# 宇宙飞船


def draw_flyboat(x, y):
    mypen.pencolor('lightgrey')
    mypen.penup()
    #mypen.right(90)
    #mypen.forward(190)
    mypen.goto(x, y)
    mypen.pendown()
    mypen.left(90)
    mypen.pensize(5)
    num = (360 / 12)
    i = 0
    while (i < 12):
        mypen.forward(20)
        mypen.left(90)
        mypen.forward(20)
        mypen.left(90)
        mypen.forward(20)
        mypen.left(90)
        mypen.forward(20)
        mypen.left(90)
        mypen.forward(20)
        mypen.right(num)
        i = (i + 1)

    mypen.right(70)
    mypen.forward(30)
    mypen.right(90)
    mypen.forward(8)
    mypen.left(90)
    mypen.forward(16)
    mypen.left(90)
    mypen.forward(16)
    mypen.left(90)
    mypen.forward(16)
    mypen.left(90)
    mypen.forward(8)


draw_blackhole(350)
x = int(input("请输入宇宙飞船的x坐标(-350~350)："))
y = int(input("请输入宇宙飞船的y坐标(-350~350)："))

draw_flyboat(x, y)

turtle.done()

 

【提示】

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