如何使边界在海龟中发挥作用 - python

发布于 2025-01-10 07:57:37 字数 623 浏览 0 评论 0原文

因此，我正在制作一款游戏，其中我需要移动一个玩家，该玩家目前只是一个正方形，但如果我继续按该键，它可以离开屏幕。我想在屏幕末尾停止播放器。这是我的代码，这不是完整的游戏：

import turtle
sc=turtle.Screen()
sc.title("Math fighter")
sc.bgcolor("black")
sc.setup(width=1000, height=600)
player=turtle.Turtle()
player.speed(0)
player.shape("square")
player.color("white")
player.shapesize(stretch_wid=2, stretch_len=3)
player.penup()
player.goto(0, -250)
def playerleft():
    x = player.xcor()
    x -= 20
    player.setx(x)


def playerright():
    y = player.xcor()
    y += 20
    player.setx(y)
sc.listen()
sc.onkeypress(playerright, "Right")
sc.onkeypress(playerleft, "Left")

原文

So, I was making a game in which I need to move a player which is just a square as of now but it can go out of the screen if I keep pressing the key. I want to stop the player at the end of the screen.
Here is my code this is not the complete game:

import turtle
sc=turtle.Screen()
sc.title("Math fighter")
sc.bgcolor("black")
sc.setup(width=1000, height=600)
player=turtle.Turtle()
player.speed(0)
player.shape("square")
player.color("white")
player.shapesize(stretch_wid=2, stretch_len=3)
player.penup()
player.goto(0, -250)
def playerleft():
    x = player.xcor()
    x -= 20
    player.setx(x)


def playerright():
    y = player.xcor()
    y += 20
    player.setx(y)
sc.listen()
sc.onkeypress(playerright, "Right")
sc.onkeypress(playerleft, "Left")

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我不会写诗 2025-01-17 07:57:37

您只需要在 setx() 之前使用 if 检查位置并跳过它。就这样。

def playerleft():
    x = player.xcor()
    x -= 20

    if x > -500:
        player.setx(x)


def playerright():
    x = player.xcor()
    x += 20

    if x < 500:
       player.setx(x)

You need only use if to check position before setx() and skip it. That's all.

def playerleft():
    x = player.xcor()
    x -= 20

    if x > -500:
        player.setx(x)


def playerright():
    x = player.xcor()
    x += 20

    if x < 500:
       player.setx(x)

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