import pgzrun
def draw():
screen.fill('white')
for i in range(1,20):
screen.draw.circle((400,300),10*i,'black')
pgzrun.go()
screen的长和宽你设置的多少
先设置窗口的宽高,以下代码已测试通过:
import pgzrun
WIDTH = 800 # 设置窗口的宽度
HEIGHT = 600 # 设置窗口的高度
def draw():
screen.fill('white')
for i in range(1,20):
screen.draw.circle((400,300),10*i,'black')
pgzrun.go()
窗口尺寸小了,扩大窗口尺寸