#連接多個點形成線
import pygame,sys
def lineleft(): #畫馬路左邊界
plotpoints=[]
for x in range(0,640):
y=-5*x+1000
plotpoints.append([x,y])
pygame.draw.lines(screen,[0,0,0],False,plotpoints,5)
pygame.display.flip()
def lineright():#畫馬路右邊界
plotpoints=[]
for x in range(0,640):
y=5*x-2000,plotpoints.append([x,y])
pygame.draw.lines(screen,[0,0,0],False,plotpoints,5)
pygame.display.flip()
def linemiddle():#畫馬路中間虛線
plotpoints=[]
x=300
for y in range(0,480,20):
plotpoints.append([x,y])
if len(plotpoints)==2:
pygame.draw.lines(screen,[0,0,0],False,plotpoints,5)
plotpoints=[]
pygame.display.flip()
pygame.init()
screen=pygame.display.set_caption("馬路")
screen=pygame.display.set_mode([640,480])
screen.fill([255,255,255])
lineleft()
lineright()
linemiddle()
while True:
for event in pygame.event.get():
if event.type==pygame.QUIT:
sys.exit()
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