The examples in this article share the specific code of python to achieve snake-eating for your reference. The specific content is as follows
import pygame
import sys
import random
SCREEN_X=600
SCREEN_Y=600classSnake(object):
def __init__(self):
self.direction=pygame.K_RIGHT
self.body =[]for i inrange(5):
self.addnode()
def addnode(self):
left, top =(0,0)if self.body:
left, top =(self.body[0].left,self.body[0].top)
node = pygame.Rect(left,top,25,25)if self.direction == pygame.K_RIGHT:
node.left +=25
elif self.direction == pygame.K_LEFT:
node.left -=25
elif self.direction == pygame.K_UP:
node.top -=25
elif self.direction == pygame.K_DOWN:
node.top +=25
self.body.insert(0,node)
def delnode(self):
self.body.pop()
def isdead(self):if self.body[0].x not inrange(SCREEN_X):return True
if self.body[0].y not inrange(SCREEN_Y):return True
if self.body[0]in self.body[1:]:print('in body')return True
return False
def move(self):
self.addnode()
self.delnode()
def changeddirection(self,curkey):
LR =[pygame.K_LEFT,pygame.K_RIGHT]
UD =[pygame.K_DOWN,pygame.K_UP]if curkey in LR+UD:if(curkey in LR)and(self.direction in LR):returnif(curkey in UD)and(self.direction in UD):return
self.direction = curkey
classFood(object):
def __init__(self):
self.rect = pygame.Rect(-25,0,25,25)
def remove(self):
self.rect.x =-25
def set(self):if self.rect.x ==-25:
allpos =[]for pos inrange(25,SCREEN_X-25,25):
allpos.append(pos)
self.rect.left = random.choice(allpos)
self.rect.top = random.choice(allpos)print(self.rect)
def show_text(screen,pos,text,color,font_bold = False,font_size =60,font_italic = False):
cur_font=pygame.font.SysFont('Song Ti',font_size)
cur_font.set_bold(font_bold)
cur_font.set_italic(font_italic)
text_fmt = cur_font.render(text,1,color)
screen.blit(text_fmt,pos)
def main():
pygame.init()
screen_size =(SCREEN_X,SCREEN_Y)
screen = pygame.display.set_mode(screen_size)
pygame.display.set_caption('Snake')
clock=pygame.time.Clock()
scores=0
isdead=False
snake=Snake()
food=Food()while True:for event in pygame.event.get():if event.type == pygame.QUIT:
sys.exit()if event.type == pygame.KEYDOWN:
# print(event)
# pressed_keys = pygame.key.get_pressed()
# if pressed_keys.count(1)1:
# continueprint(event.key)
snake.changeddirection(event.key)if event.key == pygame.K_SPACE and isdead:returnmain()
screen.fill((255,255,255))if not isdead:
scores +=1
snake.move()for rect in snake.body:
pygame.draw.rect(screen,(20,220,39),rect,0)
isdead=snake.isdead()if isdead:show_text(screen,(100,200),'you dead!',(227,29,18),False,100)show_text(screen,(150,260),'press space to try again...',(0,0,22),False,30)if food.rect == snake.body[0]:
scores +=50
food.remove()
snake.addnode()
food.set()
pygame.draw.rect(screen,(136,0,21),food.rect,0)show_text(screen,(50,500),'Scores:'+str(scores),(223,223,223))
pygame.display.update()
clock.tick(5)if __name__ =="__main__":main()
The above is the whole content of this article, I hope it will be helpful to everyone's study.
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