本文实例为大家分享了python实现贪吃蛇游戏的具体代码，供大家参考，具体内容如下
这次我们来写一个贪吃蛇游戏
下面贴出具体代码
import pygame
import time
import numpy as np
# 此模块包含游戏所需的常量
from pygame.locals import *
# 设置棋盘的长宽
BOARDWIDTH = 48
BOARDHEIGHT = 28
# 分数
score = 0
class Foodobject):
def __init__self):
self.item = 4, 5)
# 画出食物
def _drawself, screen, i, j):
color = 255, 0, 255
radius = 10
width = 10
# i:1—34 j:1—25
position = 10 + 20 * i, 10 + 20 * j
# 画出半径为 10 的粉色实心圆
pygame.draw.circlescreen, color, position, radius, width)
# 随机产生食物
def updateself, screen, enlarge, snack):
if enlarge:
self.item = np.random.randint1, BOARDWIDTH – 2), np.random.randint1, BOARDHEIGHT – 2)
while self.item in snack.item:
self.item = np.random.randint1, BOARDWIDTH – 2), np.random.randint1, BOARDHEIGHT – 2)
self._drawscreen, self.item[0], self.item[1])
# 贪吃蛇
class Snackobject):
def __init__self):
# self.item = [3, 25), 2, 25), 1, 25), 1,24), 1,23),
# 1,22), 1,21), 1,20), 1,19), 1,18), 1,17), 1,16)]
# x 水平方向 y 竖直方向
# 初始方向竖直向上
self.item = [3, 25), 2, 25), 1, 25), 1, 24), ]
self.x = 0
self.y = -1
def moveself, enlarge):
# enlarge 标记贪吃蛇有没有吃到食物
if not enlarge:
# 吃到食物删除尾部元素
self.item.pop)
# 新蛇头的坐标为旧蛇头坐标加上移动方向的位移
head = self.item[0][0] + self.x, self.item[0][1] + self.y)
# 将新的蛇头坐标插入在 list 最前面
self.item.insert0, head)
def eat_foodself, food):
global score
# snack_x,snack_y 蛇头坐标
# food_x, food_y 食物坐标
snack_x, snack_y = self.item[0]
food_x, food_y = food.item
# 比较蛇头坐标与食物坐标
if food_x == snack_x) and food_y == snack_y):
score += 100
return 1
else:
return 0
def towardself, x, y):
# 改变蛇头朝向
if self.x * x >= 0 and self.y * y >= 0:
self.x = x
self.y = y
def get_headself):
# 获取蛇头坐标
return self.item[0]
def drawself, screen):
# 画出贪吃蛇
# 蛇头为半径为 15 的红色实心圆
radius = 15
width = 15
# i:1—34 j:1—25
color = 255, 0, 0
# position 为图形的坐标
position = 10 + 20 * self.item[0][0], 10 + 20 * self.item[0][1]
pygame.draw.circlescreen, color, position, radius, width)
# 蛇身为半径为 10 的黄色实心圆
radius = 10
width = 10
color = 255, 255, 0
for i, j in self.item[1:]:
position = 10 + 20 * i, 10 + 20 * j
pygame.draw.circlescreen, color, position, radius, width)
# 初始界面
def init_boardscreen):
board_width = BOARDWIDTH
board_height = BOARDHEIGHT
color = 10, 255, 255
width = 0
# width:x, height:y
# 左右边框占用了 X: 0 35*20
for i in rangeboard_width):
pos = i * 20, 0, 20, 20
pygame.draw.rectscreen, color, pos, width)
pos = i * 20, board_height – 1) * 20, 20, 20
pygame.draw.rectscreen, color, pos, width)
# 上下边框占用了 Y: 0 26*20
for i in rangeboard_height – 1):
pos = 0, 20 + i * 20, 20, 20
pygame.draw.rectscreen, color, pos, width)
pos = board_width – 1) * 20, 20 + i * 20, 20, 20
pygame.draw.rectscreen, color, pos, width)
# 游戏失败
def game_oversnack):
broad_x, broad_y = snack.get_head)
flag = 0
old = lensnack.item)
new = lensetsnack.item))
# 游戏失败的两种可能
# 咬到自身
if new < old:
flag = 1
# 撞到边框
if broad_x == 0 or broad_x == BOARDWIDTH – 1:
flag = 1
if broad_y == 0 or broad_y == BOARDHEIGHT – 1:
flag = 1
if flag:
return True
else:
return False
# 打印字符
def print_textscreen, font, x, y, text, color=255, 0, 0)):
# 在屏幕上打印字符
# text是需要打印的文本，color为字体颜色
# x,y)是文本在屏幕上的位置
imgText = font.rendertext, True, color)
screen.blitimgText, x, y))
# 按键
def presskeys, snack):
global score
# K_w 为 pygame.locals 中的常量
# keys[K_w] 返回 True or False
# 上移
if keys[K_w] or keys[K_UP]:
snack.toward0, -1)
# 下移
elif keys[K_s] or keys[K_DOWN]:
snack.toward0, 1)
# 左移
elif keys[K_a] or keys[K_LEFT]:
snack.toward-1, 0)
# 右移
elif keys[K_d] or keys[K_RIGHT]:
snack.toward1, 0)
# 重置游戏
elif keys[K_r]:
score = 0
main)
# 退出游戏
elif keys[K_ESCAPE]:
exit)
# 游戏初始化
def game_init):
# pygame 初始化
pygame.init)
# 设置游戏界面大小
screen = pygame.display.set_modeBOARDWIDTH * 20, BOARDHEIGHT * 20))
# 设置游戏标题
pygame.display.set_caption‘贪吃蛇游戏’)
# sound = pygame.mixer.SoundAUDIONAME)
# channel = pygame.mixer.find_channelTrue)
# channel.playsound)
return screen
# 开始游戏
def gamescreen):
snack = Snack)
food = Food)
# 设置中文字体和大小
font = pygame.font.SysFont‘SimHei’, 20)
is_fail = 0
while True:
for event in pygame.event.get):
if event.type == QUIT:
exit)
# 填充屏幕
screen.fill0, 0, 100))
init_boardscreen=screen)
# 获得用户按键命令
keys = pygame.key.get_pressed)
presskeys, snack)
# 游戏失败打印提示
if is_fail:
font2 = pygame.font.FontNone, 40)
print_textscreen, font2, 400, 200, “GAME OVER”)
# 游戏主进程
if not is_fail:
enlarge = snack.eat_foodfood)
food.updatescreen, enlarge, snack)
snack.moveenlarge)
is_fail = game_oversnack=snack)
snack.drawscreen)
# 游戏刷新
pygame.display.update)
time.sleep0.1)
# 主程序
def main):
screen = game_init)
gamescreen)
if __name__ == ‘__main__’:
main)
程序运行效果
简单截图了一下
可以按住方向键移动蛇的运动方向
更多有趣的经典小游戏实现专题，分享给大家：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。