Python實(shí)現(xiàn)智能貪吃蛇游戲得示例代碼

目錄

• 前言
• 基本環(huán)境配置
• 實(shí)現(xiàn)效果
• 實(shí)現(xiàn)代碼

前言

我想大家都玩過(guò)諾基亞上面得貪吃蛇吧，本文將帶你一步步用python語(yǔ)言實(shí)現(xiàn)一個(gè)snake小游戲。

基本環(huán)境配置

版本：Python3

系統(tǒng)：Windows

相關(guān)模塊：pygame

pip install pygame安裝即可

實(shí)現(xiàn)效果

實(shí)現(xiàn)代碼

import?random,?pygame,?sysfrom?pygame.locals?import?*import?time''''''FPS?=?1##WINDOWWIDTH?=?640#WINDOWHEIGHT?=?480WINDOWWIDTH?=?600WINDOWHEIGHT?=?480CELLSIZE?=?40assert?WINDOWWIDTH?%?CELLSIZE?==?0,?"Window?width?must?be?a?multiple?of?cell?size."assert?WINDOWHEIGHT?%?CELLSIZE?==?0,?"Window?height?must?be?a?multiple?of?cell?size."CELLWIDTH?=?int(WINDOWWIDTH?/?CELLSIZE)CELLHEIGHT?=?int(WINDOWHEIGHT?/?CELLSIZE)?#?????????????R????G????BWHITE?????=?(255,?255,?255)BLACK?????=?(??0,???0,???0)RED???????=?(255,???0,???0)GREEN?????=?(??0,?255,???0)DARKGREEN?=?(??0,?155,???0)DARKGRAY??=?(?40,??40,??40)BGCOLOR?=?BLACKUP?=?'up'DOWN?=?'down'LEFT?=?'left'RIGHT?=?'right'direction?=?UPDIRECTION?=?[UP,DOWN,LEFT,RIGHT]HEAD?=?0?#?syntactic?sugar:?index?of?the?worm's?headdistance?=?[]for?y?in?range(CELLHEIGHT):????distance.append([])????for?x?in?range(CELLWIDTH):????????distance[y].append(8888)def?into_queue(grid,?queue,?visited,?worm,apple):????x,y?=?grid????if?(x,?y)?==?(apple['x'],apple['y']):????????return?False????elif?x?<?0?or?x?>=?CELLWIDTH:????????return?False????elif?y?<?0?or?y?>=?CELLHEIGHT:????????return?False????elif?(x,?y)?in?queue:????????return?False????elif?(x,?y)?in?visited:????????return?False????else:????????return?Truedef?is_snake(x,y,worm):????for?body?in?worm:????????if?body['x']?==?x?and?body['y']?==?y:????????????return?True????return?Falsedef?cal_distance(worm,apple):????queue?=?[(apple['x'],apple['y'])]????visited?=?[]????found?=?False????for?y?in?range(CELLHEIGHT):????????for?x?in?range(CELLWIDTH):????????????distance[y][x]?=?9999????distance[apple['y']][apple['x']]?=?0????while?len(queue)?!=?0:????????head?=?queue[0]????????visited.append(head)????????up_grid?=?head[0],?head[1]?-?1????????down_grid?=?head[0],?head[1]?+?1????????left_grid?=?head[0]?-?1,?head[1]????????right_grid?=?head[0]?+?1,?head[1]????????for?grid?in?[up_grid,?down_grid,?left_grid,?right_grid]:????????????if?into_queue(grid,?queue,?visited,worm,apple):????????????????if?grid[0]?==?worm[HEAD]['x']?and?grid[1]?==?worm[HEAD]['y']:????????????????????found?=?True????????????????if?not?is_snake(grid[0],grid[1],worm):????????????????????queue.append(grid)????????????????????distance[grid[1]][grid[0]]?=?distance[head[1]][head[0]]?+?1????????queue.pop(0)????return?founddef?main():????global?FPSCLOCK,?DISPLAYSURF,?BASICFONT????pygame.init()????FPSCLOCK?=?pygame.time.Clock()????DISPLAYSURF?=?pygame.display.set_mode((WINDOWWIDTH,?WINDOWHEIGHT))????BASICFONT?=?pygame.font.Font('freesansbold.ttf',?18)????pygame.display.set_caption('Snaky')????showStartScreen()????while?True:????????runGame()????????showGameOverScreen()def?can_move(grid,?worm):????x,y?=?grid????if?x?<?0?or?x?>=?CELLWIDTH:????????return?False????elif?y?<?0?or?y?>=?CELLHEIGHT:????????return?False????elif?is_snake(x,?y,worm):????????return?False????elif?(x,?y)?==?(worm[HEAD]['x'],?worm[HEAD]['y']):????????return?False????else:????????return?Truedef?update_dirc(now,?direc):????loc?=?{'x':0,'y':0}????if?direc?==?UP:????????loc?=?{'x':now['x'],'y':now['y']-1}????elif?direc?==?DOWN:????????loc?=?{'x':now['x'],'y':now['y']+1}????elif?direc?==?RIGHT:????????loc?=?{'x':now['x']+1,'y':now['y']}????elif?direc?==?LEFT:????????loc?=?{'x':now['x']-1,'y':now['y']}????return?locdef?virtual_run(wormCoords,?apple,direction):????wormCoords?=?list(wormCoords)????food_eated?=?False????while?not?food_eated:????????cal_distance(wormCoords,apple)????????four_dis?=?[99999,?99999,?99999,?99999]????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?-?1),?wormCoords):????????????four_dis[0]?=?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]????????if?can_move((wormCoords[HEAD]['x']?+?1,?wormCoords[HEAD]['y']),?wormCoords):????????????four_dis[1]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?+?1),?wormCoords):????????????four_dis[2]?=?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]????????if?can_move((wormCoords[HEAD]['x']?-?1,?wormCoords[HEAD]['y']),?wormCoords):????????????four_dis[3]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]????????min_num?=?min(four_dis)????????if?four_dis[0]?<?99999?and?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]?==?min_num?and?direction?!=?DOWN:????????????direction?=?UP????????elif?four_dis[1]?<?99999?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]?==?min_num?and?direction?!=?"LEFT":????????????direction?=?RIGHT????????elif?four_dis[2]?<?99999?and?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]?==?min_num?and?direction?!=?"UP":????????????direction?=?DOWN????????elif?four_dis[3]?<?99999?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]?==?min_num?and?direction?!=?RIGHT:????????????direction?=?LEFT????????if?wormCoords[HEAD]['x']?==?-1?or?wormCoords[HEAD]['x']?==?CELLWIDTH?or?wormCoords[HEAD]['y']?==?-1?or?wormCoords[HEAD]['y']?==?CELLHEIGHT:????????????return?#?game?over????????for?wormBody?in?wormCoords[1:]:????????????if?wormBody['x']?==?wormCoords[HEAD]['x']?and?wormBody['y']?==?wormCoords[HEAD]['y']:????????????????return????????#?move?the?worm?by?adding?a?segment?in?the?direction?it?is?moving????????if?direction?==?UP:????????????newHead?=?{'x':?wormCoords[HEAD]['x'],?'y':?wormCoords[HEAD]['y']?-?1}????????elif?direction?==?DOWN:????????????newHead?=?{'x':?wormCoords[HEAD]['x'],?'y':?wormCoords[HEAD]['y']?+?1}????????elif?direction?==?LEFT:????????????newHead?=?{'x':?wormCoords[HEAD]['x']?-?1,?'y':?wormCoords[HEAD]['y']}????????elif?direction?==?RIGHT:????????????newHead?=?{'x':?wormCoords[HEAD]['x']?+?1,?'y':?wormCoords[HEAD]['y']}????????if?wormCoords[HEAD]['x']?!=?apple['x']?or?wormCoords[HEAD]['y']?!=?apple['y']:????????????food_eated?=?True????????????wormCoords.insert(0,?newHead)????????else:????????????del?wormCoords[-1]?#?remove?worm's?tail?segment????????????wormCoords.insert(0,?newHead)????result?=?cal_distance(wormCoords,wormCoords[-1])????for?i?in?range(4):????????temp?=?update_dirc(wormCoords[HEAD],DIRECTION[i])????????if?temp['x']?==?wormCoords[-1]['x']?and?temp['y']?==?wormCoords[-1]['y']:????????????result?=?False????return?resultdef?distance_(x,y):????return?abs(x['x']-y['x'])?+?abs(x['y']?-?x['y'])def?any_possible_move(worm,apple,direction):????temp_direc?=?direction????max_dis?=?0????for?i?in?range(4):????????temp?=?update_dirc(worm[0],DIRECTION[i])????????if?can_move((temp['x'],temp['y']),worm):????????????if?(distance_(temp,?apple)?>?max_dis)?and?(examine_direction(DIRECTION[i],?direction)):????????????????max_dis?=?distance_(temp,?apple)????????????????temp_direc?=?DIRECTION[i]????return?temp_direcdef?examine_direction(temp?,?direction):????if?direction?==?UP:????????if?temp?==?DOWN:????????????return?False????elif?direction?==?RIGHT:????????if?temp?==?LEFT:????????????return?False????elif?direction?==?LEFT:????????if?temp?==?RIGHT:????????????return?False????elif?direction?==?DOWN:????????if?temp?==?UP:????????????return?False????return?Truedef?check_head(worm,direction):????for?i?in?range(4):????????temp?=?update_dirc(worm[HEAD],?DIRECTION[i])????????if?can_move((temp['x'],temp['y']),worm)?and?examine_direction(DIRECTION[i],direction):????????????if?distance[temp['y']][temp['x']]?<?9999:????????????????return?True????return?Falsedef?runGame():????global?running_,DIRECTION????#?Set?a?random?start?point.????startx?=?random.randint(0,?CELLWIDTH?-1)????starty?=?random.randint(0,?CELLHEIGHT?-1)????wormCoords?=?[{'x':?startx,?????'y':?starty},??????????????????{'x':?startx?-?1,?'y':?starty},??????????????????{'x':?startx?-?2,?'y':?starty}]????direction?=?RIGHT????running_?=?True????#?Start?the?apple?in?a?random?place.????apple?=?getRandomLocation(wormCoords)????count?=?0????while?True:?#?main?game?loop????????for?event?in?pygame.event.get():?#?event?handling?loop????????????if?event.type?==?QUIT:????????????????terminate()????????new_direction?=?None????????#print?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']]????????if?cal_distance(wormCoords,apple):????????????#print?"Test"????????????if?virtual_run(wormCoords,?apple,?direction):????????????????cal_distance(wormCoords,apple)????????????????four_dis?=?[99999]?*?4????????????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?-?1),?wormCoords):????????????????????four_dis[0]?=?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]????????????????if?can_move((wormCoords[HEAD]['x']?+?1,?wormCoords[HEAD]['y']),?wormCoords):????????????????????four_dis[1]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]????????????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?+?1),?wormCoords):????????????????????four_dis[2]?=?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]????????????????if?can_move((wormCoords[HEAD]['x']?-?1,?wormCoords[HEAD]['y']),?wormCoords):????????????????????four_dis[3]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]????????????????max_num?=?min(four_dis)????????????????if?four_dis[0]?<?99999?and?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]?==?max_num?and?direction?!=?DOWN:????????????????????new_direction?=?UP????????????????elif?four_dis[1]?<?99999?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]?==?max_num?and?direction?!=?LEFT:????????????????????new_direction?=?RIGHT????????????????elif?four_dis[2]?<?99999?and?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]?==?max_num?and?direction?!=?UP:????????????????????new_direction?=?DOWN????????????????elif?four_dis[3]?<?99999?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]?==?max_num?and?direction?!=?RIGHT:????????????????????new_direction?=?LEFT????????????else:????????????????count?+=?1????????????????print(count)????????????????four_dis?=?[-1]?*?4????????????????cal_distance(wormCoords,?wormCoords[-1])????????????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?-?1),?wormCoords):????????????????????four_dis[0]?=?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]????????????????if?can_move((wormCoords[HEAD]['x']?+?1,?wormCoords[HEAD]['y']),?wormCoords):????????????????????four_dis[1]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]????????????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?+?1),?wormCoords):????????????????????four_dis[2]?=?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]????????????????if?can_move((wormCoords[HEAD]['x']?-?1,?wormCoords[HEAD]['y']),?wormCoords):????????????????????four_dis[3]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]????????????????max_num?=?0????????????????for?i?in?four_dis:????????????????????if?i?!=?9999:????????????????????????if?i?>?max_num:????????????????????????????max_num?=?i????????????????if?four_dis[0]?>?-1?and?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]?==?max_num?and?direction?!=?DOWN:????????????????????new_direction?=?UP????????????????elif?four_dis[1]?>?-1?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]?==?max_num?and?direction?!=?LEFT:????????????????????new_direction?=?RIGHT????????????????elif?four_dis[2]?>?-1?and?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]?==?max_num?and?direction?!=?UP:????????????????????new_direction?=?DOWN????????????????elif?four_dis[3]?>?-1?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]?==?max_num?and?direction?!=?RIGHT:????????????????????new_direction?=?LEFT????????????????if?count?==?10:????????????????????new_direction?=?any_possible_move(wormCoords,?apple,?direction)????????????????????count?=?0????????else:????????????four_dis?=?[-1]?*?4????????????cal_distance(wormCoords,?wormCoords[-1])????????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?-?1),?wormCoords):????????????????four_dis[0]?=?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]????????????if?can_move((wormCoords[HEAD]['x']?+?1,?wormCoords[HEAD]['y']),?wormCoords):????????????????four_dis[1]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]????????????if?can_move((wormCoords[HEAD]['x'],?wormCoords[HEAD]['y']?+?1),?wormCoords):????????????????four_dis[2]?=?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]????????????if?can_move((wormCoords[HEAD]['x']?-?1,?wormCoords[HEAD]['y']),?wormCoords):????????????????four_dis[3]?=?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]????????????max_num?=?0????????????for?i?in?four_dis:????????????????if?i?!=?9999:????????????????????if?i?>?max_num:????????????????????????max_num?=?i????????????if?four_dis[0]?>?-1?and?distance[wormCoords[HEAD]['y']?-?1][wormCoords[HEAD]['x']]?==?max_num?and?direction?!=?DOWN:????????????????new_direction?=?UP????????????elif?four_dis[1]?>?-1?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?+?1]?==?max_num?and?direction?!=?LEFT:????????????????new_direction?=?RIGHT????????????elif?four_dis[2]?>?-1?and?distance[wormCoords[HEAD]['y']?+?1][wormCoords[HEAD]['x']]?==?max_num?and?direction?!=?UP:????????????????new_direction?=?DOWN????????????elif?four_dis[3]?>?-1?and?distance[wormCoords[HEAD]['y']][wormCoords[HEAD]['x']?-?1]?==?max_num?and?direction?!=?RIGHT:????????????????new_direction?=?LEFT????????if?new_direction?==?None:????????????direction?=?any_possible_move(wormCoords,?apple,?direction)????????else:????????????direction?=?new_direction????????#temp_?=?update_dirc(wormCoords[HEAD],direction)????????#while?not?can_move((temp_['x'],temp_['y']),?wormCoords):????????????#direction?=?any_possible_move(wormCoords,?apple,?direction)????????#?check?if?the?worm?has?hit?itself?or?the?edge????????if?wormCoords[HEAD]['x']?==?-1?or?wormCoords[HEAD]['x']?==?CELLWIDTH?or?wormCoords[HEAD]['y']?==?-1?or?wormCoords[HEAD]['y']?==?CELLHEIGHT:????????????return?#?game?over????????for?wormBody?in?wormCoords[1:]:????????????if?wormBody['x']?==?wormCoords[HEAD]['x']?and?wormBody['y']?==?wormCoords[HEAD]['y']:????????????????return?#?game?over????????#?check?if?worm?has?eaten?an?apply????????if?wormCoords[HEAD]['x']?==?apple['x']?and?wormCoords[HEAD]['y']?==?apple['y']:????????????#?don't?remove?worm's?tail?????????????apple?=?getRandomLocation(wormCoords)????????else:????????????del?wormCoords[-1]?#?remove?worm's?tail?segment????????#?move?the?worm?by?adding?a?segment?in?the?direction?it?is?moving????????if?direction?==?UP:????????????newHead?=?{'x':?wormCoords[HEAD]['x'],?'y':?wormCoords[HEAD]['y']?-?1}????????elif?direction?==?DOWN:????????????newHead?=?{'x':?wormCoords[HEAD]['x'],?'y':?wormCoords[HEAD]['y']?+?1}????????elif?direction?==?LEFT:????????????newHead?=?{'x':?wormCoords[HEAD]['x']?-?1,?'y':?wormCoords[HEAD]['y']}????????elif?direction?==?RIGHT:????????????newHead?=?{'x':?wormCoords[HEAD]['x']?+?1,?'y':?wormCoords[HEAD]['y']}????????wormCoords.insert(0,?newHead)?#?set?a?new?apple?somewhere????????DISPLAYSURF.fill(BGCOLOR)????????drawGrid()????????drawWorm(wormCoords)????????drawApple(apple)????????drawScore(len(wormCoords)?-?3)????????time.sleep(0.01)????????pygame.display.update()????????#FPSCLOCK.tick(FPS)def?drawPressKeyMsg():????pressKeySurf?=?BASICFONT.render('Press?a?key?to?play.',?True,?DARKGRAY)????pressKeyRect?=?pressKeySurf.get_rect()????pressKeyRect.topleft?=?(WINDOWWIDTH?-?200,?WINDOWHEIGHT?-?30)????DISPLAYSURF.blit(pressKeySurf,?pressKeyRect)def?checkForKeyPress():????if?len(pygame.event.get(QUIT))?>?0:????????terminate()????keyUpEvents?=?pygame.event.get(KEYUP)????if?len(keyUpEvents)?==?0:????????return?None????if?keyUpEvents[0].key?==?K_ESCAPE:????????terminate()????return?keyUpEvents[0].keydef?showStartScreen():????titleFont?=?pygame.font.Font('freesansbold.ttf',?100)????titleSurf1?=?titleFont.render('Snaky!',?True,?WHITE,?DARKGREEN)????titleSurf2?=?titleFont.render('Snaky!',?True,?GREEN)????degrees1?=?0????degrees2?=?0????while?True:????????DISPLAYSURF.fill(BGCOLOR)????????rotatedSurf1?=?pygame.transform.rotate(titleSurf1,?degrees1)????????rotatedRect1?=?rotatedSurf1.get_rect()????????rotatedRect1.center?=?(WINDOWWIDTH?/?2,?WINDOWHEIGHT?/?2)????????DISPLAYSURF.blit(rotatedSurf1,?rotatedRect1)????????rotatedSurf2?=?pygame.transform.rotate(titleSurf2,?degrees2)????????rotatedRect2?=?rotatedSurf2.get_rect()????????rotatedRect2.center?=?(WINDOWWIDTH?/?2,?WINDOWHEIGHT?/?2)????????DISPLAYSURF.blit(rotatedSurf2,?rotatedRect2)????????drawPressKeyMsg()????????if?checkForKeyPress():????????????pygame.event.get()?#?clear?event?queue????????????return????????pygame.display.update()????????FPSCLOCK.tick(FPS)????????degrees1?+=?3?#?rotate?by?3?degrees?each?frame????????degrees2?+=?7?#?rotate?by?7?degrees?each?frame????????time.sleep(0.1)def?terminate():????pygame.quit()????sys.exit()def?getRandomLocation(worm):????temp?=?{'x':?random.randint(0,?CELLWIDTH?-?1),?'y':?random.randint(0,?CELLHEIGHT?-?1)}????while?test_not_ok(temp,?worm):????????temp?=?{'x':?random.randint(0,?CELLWIDTH?-?1),?'y':?random.randint(0,?CELLHEIGHT?-?1)}????return?tempdef?test_not_ok(temp,?worm):????for?body?in?worm:????????if?temp['x']?==?body['x']?and?temp['y']?==?body['y']:????????????return?True????return?Falsedef?showGameOverScreen():????gameOverFont?=?pygame.font.Font('freesansbold.ttf',?150)????gameSurf?=?gameOverFont.render('Game',?True,?WHITE)????overSurf?=?gameOverFont.render('Over',?True,?WHITE)????gameRect?=?gameSurf.get_rect()????overRect?=?overSurf.get_rect()????gameRect.midtop?=?(WINDOWWIDTH?/?2,?10)????overRect.midtop?=?(WINDOWWIDTH?/?2,?gameRect.height?+?10?+?25)????DISPLAYSURF.blit(gameSurf,?gameRect)????DISPLAYSURF.blit(overSurf,?overRect)????drawPressKeyMsg()????pygame.display.update()????pygame.time.wait(5)????checkForKeyPress()?#?clear?out?any?key?presses?in?the?event?queue????while?True:????????if?checkForKeyPress():????????????pygame.event.get()?#?clear?event?queue????????????returndef?drawScore(score):????scoreSurf?=?BASICFONT.render('Score:?%s'?%?(score),?True,?WHITE)????scoreRect?=?scoreSurf.get_rect()????scoreRect.topleft?=?(WINDOWWIDTH?-?120,?10)????DISPLAYSURF.blit(scoreSurf,?scoreRect)def?drawWorm(wormCoords):????for?coord?in?wormCoords:????????x?=?coord['x']?*?CELLSIZE????????y?=?coord['y']?*?CELLSIZE????????wormSegmentRect?=?pygame.Rect(x,?y,?CELLSIZE,?CELLSIZE)????????pygame.draw.rect(DISPLAYSURF,?DARKGREEN,?wormSegmentRect)????????wormInnerSegmentRect?=?pygame.Rect(x?+?4,?y?+?4,?CELLSIZE?-?8,?CELLSIZE?-?8)????????pygame.draw.rect(DISPLAYSURF,?GREEN,?wormInnerSegmentRect)def?drawApple(coord):????x?=?coord['x']?*?CELLSIZE????y?=?coord['y']?*?CELLSIZE????appleRect?=?pygame.Rect(x,?y,?CELLSIZE,?CELLSIZE)????pygame.draw.rect(DISPLAYSURF,?RED,?appleRect)def?drawGrid():????for?x?in?range(0,?WINDOWWIDTH,?CELLSIZE):?#?draw?vertical?lines????????pygame.draw.line(DISPLAYSURF,?DARKGRAY,?(x,?0),?(x,?WINDOWHEIGHT))????for?y?in?range(0,?WINDOWHEIGHT,?CELLSIZE):?#?draw?horizontal?lines????????pygame.draw.line(DISPLAYSURF,?DARKGRAY,?(0,?y),?(WINDOWWIDTH,?y))running_?=?Trueif?__name__?==?'__main__':????main()

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