在 【Python作品分享】贪吃蛇【作品秀】 中回复
我帮你改良了一下
# encoding: utf-8 import pygame import sys import random import sys from PySide2.QtWidgets import *
app = QApplication(sys.argv)
window = QMainWindow()
QMessageBox.information(window,"贪吃蛇游戏官方","请确定您是否要玩此游戏",QMessageBox.Yes,QMessageBox.No)
# 全局定义 SCREEN_X = 600 SCREEN_Y = 600
# 蛇类 # 点以25为单位 class Snake(object): # 初始化各种需要的属性 [开始时默认向右/身体块x5] def__init__(self): self.dirction = pygame.K_RIGHT self.body = [] for x inrange(5): self.addnode()
# 无论何时 都在前端增加蛇块 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.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)
# 删除最后一个块 def delnode(self): self.body.pop()
# 死亡判断 def isdead(self): # 撞墙 if self.body[0].x notinrange(SCREEN_X): returnTrue if self.body[0].y notinrange(SCREEN_Y): returnTrue # 撞自己 if self.body[0]in self.body[1:]: returnTrue returnFalse
# 移动！ def move(self): self.addnode() self.delnode()
# 改变方向 但是左右、上下不能被逆向改变 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 UD)and(self.dirction in UD): return self.dirction = curkey
# 食物类 # 方法： 放置/移除 # 点以25为单位 class Food: def__init__(self): self.rect = pygame.Rect(-25, 0, 25, 25)
def remove(self): self.rect.x = -25
defset(self): if self.rect.x == -25: allpos = [] # 不靠墙太近 25 ~ SCREEN_X-25 之间 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): #获取系统字体，并设置文字大小 cur_font = pygame.font.SysFont("宋体", font_size) #设置是否加粗属性 cur_font.set_bold(font_bold) #设置是否斜体属性 cur_font.set_italic(font_italic) #设置文字内容 text_fmt = cur_font.render(text, 1, color) #绘制文字 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
# 蛇/食物 snake = Snake() food = Food()
whileTrue: for event in pygame.event.get(): if event.type == pygame.QUIT: sys.exit() if event.type == pygame.KEYDOWN: snake.changedirection(event.key) # 死后按space重新 if event.key == pygame.K_SPACE and isdead: return main()
screen.fill((255, 255, 255))
# 画蛇身 / 每一步+1分 ifnot isdead: scores += 1 snake.move() for rect in snake.body: pygame.draw.rect(screen, (20, 220, 39), rect, 0)
# 显示死亡文字 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)
# 食物处理 / 吃到+50分 # 当食物rect与蛇头重合,吃掉 -> Snake增加一个Node if food.rect == snake.body[0]: scores += 50 food.remove() snake.addnode()
# 食物投递 food.set() pygame.draw.rect(screen, (136, 0, 21), food.rect, 0)
# 显示分数文字 show_text(screen, (50, 500), 'Scores: '+str(scores), (223, 223, 223))
pygame.display.update() clock.tick(10)
if __name__ == '__main__': main()
2020-03-26T11:06:03 点赞:0
