问题描述
我正在制作一个名为 Gravity code 的游戏,该游戏的目标是抓住掉落的物品,这些物品会改变乌龟的颜色、速度、大小或形状。我需要一个随机颜色的标题。
# --- imports ---
import turtle
from random import *
# --- variables ---
font_setup = ("Verdana",25,"normal")
screen = turtle.Screen()
# --- main ---
title.speed("fastest")
title.hideturtle()
title.penup()
title.goto(-62,60)
title.write("Gravity",font = font_setup)
title.setpos(-45,30)
title.write("Code",font = font_setup)
# --- events ---
screen.mainloop()
解决方法
当您点击 turtle.onclick(function,mouse_button)
时,您可以使用 button
来执行函数。
onclick
只需要函数名而不需要 ()
(所谓的“回调”)
on_button_click
必须获得两个值 - 鼠标位置。
import turtle
# --- functions ---
def on_button_click(x,y):
print('button clicked:',x,y)
button.hideturtle()
# --- main ---
screen = turtle.Screen()
button = turtle.Turtle()
button.speed("fastest")
#screen.addshape("icons8-button-100.png") #It's the second button.
#button.shape("icons8-button-100.png") #https://icons8.com/icons/set/button
button.left(90) # The second image is the button I'm using.
button.penup() #It can be resized afer you click download to...
button.goto(0,-120) # 70 x 70 pixels.
button.onclick(on_button_click,1)
screen.mainloop()