20231219范云炅 2023-2024-2 《Python程序设计》实验x报告

20231219范云炅 2024-03-17 19:17:06

# 20231219 2023-2024-2 《Python程序设计》实验x报告

课程：《Python程序设计》

班级： 2312 姓名：范云炅

学号：20231219

实验教师：王志强

实验日期：2022年3月13日

必修/选修：公选课

1.实验内容

1．熟悉Python开发环境，安装pycharm，掌握基本操作；

2．练习Python运行、调试技能；

3．编写程序，练习变量和类型、字符串、对象、缩进和注释等；

4.掌握git技能。

2. 实验过程及结果

1.配置完成pycharm的项目，新建Python文件，跟随着教学视频学做一个贪吃蛇的游戏：

import pygame
import sys
import random
SCREEN_X=800
SCREEN_Y=600

class Snake(object):
    def __init__(self):
        self.dirction = pygame.K_RIGHT
        self.body = []
        for X in range(5):
            self.addnode()
    def addnode(self):
        left,top =(0,0)
        if self.body:
            left,top =(self.body[0].left.body[0].top)
            mode = pygame.Rect(left,top,25,25)
        if self.dirction == pygame .K_LEFT:
            node.left -= 25
        elif self.dirction() == pygame.K_RIGHT:
            node.left += 25
        elif self.dirction == pygame.K_UP:
            node.top -=25
        elif self.dirction == 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 in range(SCREEN_X):
            return True
        if self.body[0].y not in range(SCREEN_Y):
            return True
        return False
    def move(self):
        self.addnode()
        self.delnode()


    def changedirection(self,curkey):
        LR = [pygame.K_LEFT,pygame.K_RIGHT]
        UD = [pygame.K_UP,pygame.K_DOWN]
        if curkey in LR + UD:
            if (curkey in LR) and (self.dirction in LR ):
                return
            if (curkey in LR) and (self.dirction in UD):
                return
            self.dirction = curkey


class Food:
    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 =[]

def show_text(screen,pos,text,color,font_bold=Flase,font_size=60,font_italic=False):
    cur_font = pygame.font.SysFont("宋体",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:
                snake.changeddirction(event.key)
                if event.key == pygame.K_SPACE and isdead:
                    return main()
        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,30)
            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),'Score:' + str(scores),(223,223,223))
        pygame.display.update()
        clock.tick(10)
if __name__ --'__main__':
    main()