Question

我正在尝试进行一场拉锯战，但我遇到了一个问题。我不知道如何在不导入pygame的情况下更改x值。我需要的是每当按下'z'时，x向左移动5，当按下'm'时，它向右移动5.

import simplegui
import random
import sys

x = 500
y = 200
num = 0


def draw_handler(canvas):
 global x
 global y
 global num
 color = "RGB(15, 69, 320)"


 x = x + num
 if (x >= 750):
    print ("Red Wins")
    quit()
 if (x <= 250):
    print ("Blue Wins")
    quit()


 canvas.draw_polygon([(0,0),(500,0),(500,500),(0,500)], 2, "Blue", "Blue")
 canvas.draw_polygon([(500,0),(500,500),(1000,0),(500,1000)], 2, "Red", "Red")
 canvas.draw_polygon([(0,0),(250,200),(0,400)], 2, "Black", "Red")
 canvas.draw_polygon([(1000,0),(750,200),(1000,400)], 2, "Black", "Blue")
 #Finish Line - canvas.draw_polygon([(199,0),(201,0),(199,1000),(201,1000)], 2, "Black", "Black")
 canvas.draw_polygon([(0,199),(0,201),(1000,199),(1000,201)], 2, "White", "Black") 
 canvas.draw_line((500,0),(500,500), 5, ("Black"))
 canvas.draw_line((0,0),(0,1000), 5, ("Black"))
 canvas.draw_line((0,0),(1000,0), 5, ("Black"))
 canvas.draw_line((0,400),(1000,400), 5, ("Black"))
 canvas.draw_line((1000,0),(1000,400), 5, ("Black"))

 canvas.draw_circle((x, y), 30, 20, "Black", "White")
 canvas.draw_circle((x, y), 80, 1, "Black")
 canvas.draw_circle((x, y), 90, 1, "Black")
 canvas.draw_circle((x, y), 100, 1, "Black")
 canvas.draw_circle((x, y), 120, 1, "Black")


 for i in range (1,1):
    print""
frame = simplegui.create_frame("Go", 1000, 400)
frame.set_draw_handler(draw_handler)
frame.set_canvas_background("Red")
frame.start()

代码更新here。

Answer 1

您可以使用while循环来继续请求输入，然后在循环中处理该输入并在每次迭代时重绘画布。我知道这可能是一种痛苦，因为他们也必须按下输入，但这可能是你必须要做的。希望这有帮助！

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1 个答案: