【程序源代碼】python像素貪吃蛇

"""

功能：python像素貪吃蛇

作者：程序源代碼

時(shí)間：2020-07-15

"""

# 導(dǎo)入相關(guān)模塊與函數(shù)

import random

import pygame

import sys

from pygame.locals import *

# 初始化pygame

pygame.init()

# 表明四個(gè)全局變量

global Speed

global Trackingtime

global Displayobject

global WindowTypeface

Speed = 8

Trackingtime = pygame.time.Clock()? # 創(chuàng)建跟蹤時(shí)間對(duì)象

Displayobject = pygame.display.set_mode((640, 480))? # 設(shè)置窗口高寬640*480

WindowTypeface = pygame.font.SysFont('Calibri.ttf', 25)? # 創(chuàng)建Typeface對(duì)象并設(shè)置字體和字號(hào)

pygame.display.set_caption('像素貪吃蛇')? # 設(shè)置窗口標(biāo)題

backgroundcolor = (255, 255, 255)? # 設(shè)置窗口底色為純白色

# 偵測(cè)鍵盤操作

def CheckKeyboardPress():

? ? if len(pygame.event.get(QUIT)) > 0:

? ? ? ? pygame.quit()

? ? ? ? sys.exit()

? ? keyUpEvents = pygame.event.get(KEYUP)

? ? if len(keyUpEvents) == 0:

? ? ? ? return None

? ? return keyUpEvents[0].key

# 游戲開始界面設(shè)計(jì)

def DesignStartScreen():

? ? global Speed

? ? titleTypeface1 = pygame.font.SysFont('Calibri.ttf', 200)

? ? titleTypeface2 = pygame.font.SysFont('Calibri.ttf', 60)

? ? titleContent1 = titleTypeface1.render('RETRO SNAKER', True, (0, 0, 0), (0, 0, 0))? # 設(shè)置主界面文字和大小

? ? titleContent2 = titleTypeface2.render('RETRO SNAKER', True, (255, 0, 0))

? ? KeyboardContent = WindowTypeface.render('Press any key to start', True, (0, 0, 0))

? ? Displayobject.fill(backgroundcolor)

? ? revolveContent1 = pygame.transform.rotate(titleContent1, 0)

? ? revolveRect1 = revolveContent1.get_rect()

? ? revolveRect1.center = (640 / 2, 480 / 2)

? ? Displayobject.blit(revolveContent1, revolveRect1)

? ? revolveContent2 = pygame.transform.rotate(titleContent2, 0)

? ? revolveRect2 = revolveContent2.get_rect()

? ? revolveRect2.center = (640 / 2, 480 / 2)

? ? Displayobject.blit(revolveContent2, revolveRect2)

? ? # 獲得一個(gè)對(duì)象的rect，以便于設(shè)置其坐標(biāo)位置

? ? KeyboardRect = KeyboardContent.get_rect()

? ? KeyboardRect.topleft = (640 - 200, 480 - 30)

? ? Displayobject.blit(KeyboardContent, KeyboardRect.topleft)

? ? pygame.display.update()

? ? Trackingtime.tick(Speed)

? ? while True:

? ? ? ? if CheckKeyboardPress():

? ? ? ? ? ? pygame.event.get()? # 清除事件隊(duì)列

? ? ? ? ? ? return

# 游戲結(jié)束界面設(shè)計(jì)

def DesignGameOverScreen():

? ? gameOverTypeface = pygame.font.SysFont('Calibri.ttf', 100)

? ? gameoverContent = gameOverTypeface.render('Game Over', True, (0, 0, 0))

? ? KeyboardContent = WindowTypeface.render('Press any key to restart', True, (0, 0, 0))

? ? gameoverRect = gameoverContent.get_rect()

? ? gameoverRect.center = (640 / 2, 480 / 2)

? ? Displayobject.blit(gameoverContent, gameoverRect)

? ? # 獲得一個(gè)對(duì)象的rect，以便于設(shè)置其坐標(biāo)位置

? ? KeyboardRect = KeyboardContent.get_rect()

? ? KeyboardRect.topleft = (640 - 220, 480 - 30)

? ? Displayobject.blit(KeyboardContent, KeyboardRect.topleft)

? ? pygame.display.update()

? ? pygame.time.wait(600)

? ? while True:

? ? ? ? if CheckKeyboardPress():

? ? ? ? ? ? pygame.event.get()? # 清除事件隊(duì)列

? ? ? ? ? ? return

# 貪吃蛇蛇身設(shè)計(jì)

def DesignRetroSnaker(RetroSnakerCoords):

? ? for coord in RetroSnakerCoords:

? ? ? ? x = coord['x'] * 20? # 規(guī)定每行單元格的大小為20

? ? ? ? y = coord['y'] * 20

? ? ? ? RetroSnakerSegmentRect = pygame.Rect(x, y, 20, 20)

? ? ? ? pygame.draw.rect(Displayobject, (0, 0, 255), RetroSnakerSegmentRect)

? ? ? ? RetroSnakerInnerSegmentRect = pygame.Rect(x + 4, y + 4, 20 - 8, 20 - 8)

? ? ? ? pygame.draw.rect(Displayobject, (173, 216, 230), RetroSnakerInnerSegmentRect)

# 蘋果設(shè)計(jì)

def DesignApple(coord):

? ? x = coord['x'] * 20? # 規(guī)定單元格的大小為20

? ? y = coord['y'] * 20

? ? appleRect = pygame.Rect(x, y, 20, 20)

? ? pygame.draw.rect(Displayobject, (255, 0, 0), appleRect)

# 得分分?jǐn)?shù)設(shè)計(jì)

def DesignScore(score):

? ? scoreContent = WindowTypeface.render('Score: %s' % (score), True, (0, 0, 0))

? ? scoreRect = scoreContent.get_rect()

? ? scoreRect.topleft = (640 - 100, 10)

? ? Displayobject.blit(scoreContent, scoreRect)

# 邊框線設(shè)計(jì)

def DesignBorderline():

? ? for x in range(0, 640, 640 - 1):? # 繪制垂直線

? ? ? ? pygame.draw.line(Displayobject, (0, 0, 0), (x, 0), (x, 480), 5)

? ? for y in range(0, 480, 480 - 1):? # 繪制平行線

? ? ? ? pygame.draw.line(Displayobject, (0, 0, 0), (0, y), (640, y), 5)

# 設(shè)置游戲主要運(yùn)行機(jī)制

def GameRunning():

? ? global Speed

? ? # 設(shè)置隨機(jī)起點(diǎn)

? ? startx = random.randint(5, 26)? # 初始單元格位置橫向在(5, 26)范圍中選一個(gè)隨機(jī)數(shù)

? ? starty = random.randint(5, 18)? # 初始單元格位置縱向在(5, 18)范圍中選一個(gè)隨機(jī)數(shù)

? ? RetroSnakerCoords = [{'x': startx, 'y': starty},

? ? ? ? ? ? ? ? ? ? ? ? ?{'x': startx - 1, 'y': starty},

? ? ? ? ? ? ? ? ? ? ? ? ?{'x': startx - 2, 'y': starty}]? # RetroSnakerCoords：列表，貪吃蛇坐標(biāo)位置

? ? direction = 'right'? # 初始方向朝右

? ? # 設(shè)置蘋果在一個(gè)隨機(jī)位置

? ? apple = {'x': random.randint(0, 31), 'y': random.randint(0, 23)}

? ? while True:? # 游戲主循環(huán)

? ? ? ? # 判斷鍵盤事件

? ? ? ? for event in pygame.event.get():? # 事件處理循環(huán)

? ? ? ? ? ? if event.type == KEYDOWN:

? ? ? ? ? ? ? ? if event.key == K_LEFT and direction != 'right':

? ? ? ? ? ? ? ? ? ? direction = 'left'

? ? ? ? ? ? ? ? elif event.key == K_RIGHT and direction != 'left':

? ? ? ? ? ? ? ? ? ? direction = 'right'

? ? ? ? ? ? ? ? elif event.key == K_UP and direction != 'down':

? ? ? ? ? ? ? ? ? ? direction = 'up'

? ? ? ? ? ? ? ? elif event.key == K_DOWN and direction != 'up':

? ? ? ? ? ? ? ? ? ? direction = 'down'

? ? ? ? # 根據(jù)方向改變蛇頭的坐標(biāo)

? ? ? ? if direction == 'up':

? ? ? ? ? ? m = {'x': RetroSnakerCoords[0]['x'], 'y': RetroSnakerCoords[0]['y'] - 1}

? ? ? ? elif direction == 'down':

? ? ? ? ? ? m = {'x': RetroSnakerCoords[0]['x'], 'y': RetroSnakerCoords[0]['y'] + 1}

? ? ? ? elif direction == 'left':

? ? ? ? ? ? m = {'x': RetroSnakerCoords[0]['x'] - 1, 'y': RetroSnakerCoords[0]['y']}

? ? ? ? elif direction == 'right':

? ? ? ? ? ? m = {'x': RetroSnakerCoords[0]['x'] + 1, 'y': RetroSnakerCoords[0]['y']}

? ? ? ? # 通過向貪吃蛇移動(dòng)的方向添加一個(gè)單元格來加長(zhǎng)貪吃蛇

? ? ? ? RetroSnakerCoords.insert(0, m)

? ? ? ? # 偵測(cè)貪吃蛇是否吃到蘋果

? ? ? ? if RetroSnakerCoords[0]['x'] == apple['x'] and RetroSnakerCoords[0]['y'] == apple['y']:

? ? ? ? ? ? apple = {'x': random.randint(0, 31), 'y': random.randint(0, 23)}? # 在隨機(jī)位置放置一個(gè)蘋果

? ? ? ? ? ? Speed = Speed + 0.2

? ? ? ? else:

? ? ? ? ? ? del RetroSnakerCoords[-1]? # 去除貪吃蛇的尾段

? ? ? ? # 偵測(cè)貪吃蛇是否觸碰到窗口邊緣或自身

? ? ? ? if RetroSnakerCoords[0]['x'] == -1 or RetroSnakerCoords[0]['x'] == 32 or RetroSnakerCoords[0]['y'] == -1 or \

? ? ? ? ? ? ? ? RetroSnakerCoords[0]['y'] == 24:

? ? ? ? ? ? return? # 游戲結(jié)束

? ? ? ? for RetroSnakerBody in RetroSnakerCoords[1:]:

? ? ? ? ? ? if RetroSnakerCoords[0]['x'] == RetroSnakerBody['x'] and RetroSnakerCoords[0]['y'] == RetroSnakerBody['y']:

? ? ? ? ? ? ? ? return? # 游戲結(jié)束

? ? ? ? # 繪制相關(guān)角色在窗口中

? ? ? ? Displayobject.fill(backgroundcolor)

? ? ? ? DesignRetroSnaker(RetroSnakerCoords)

? ? ? ? DesignApple(apple)

? ? ? ? DesignScore(len(RetroSnakerCoords) - 3)

? ? ? ? DesignBorderline()

? ? ? ? pygame.display.update()? # 讓繪制的東西顯示在屏幕上

? ? ? ? Trackingtime.tick(Speed)

# 主函數(shù)

if __name__ == '__main__':

? ? DesignStartScreen()? # 初始化游戲開始界面

? ? while True:

? ? ? ? GameRunning()? # 游戲開始

? ? ? ? DesignGameOverScreen()? # 游戲結(jié)束