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這篇文章主要介紹“如何實(shí)現(xiàn)貪吃蛇Python小游戲”的相關(guān)知識(shí),小編通過(guò)實(shí)際案例向大家展示操作過(guò)程,操作方法簡(jiǎn)單快捷,實(shí)用性強(qiáng),希望這篇“如何實(shí)現(xiàn)貪吃蛇Python小游戲”文章能幫助大家解決問(wèn)題。
貪吃蛇Python小游戲(源碼+注釋+粘貼即用) 這款貪吃蛇游戲十分簡(jiǎn)便,規(guī)避使用難以載包的pygame,下面是運(yùn)行圖:
在繪制游戲圖像仿麥呢,我們采用的是數(shù)據(jù)庫(kù)中較之pygame更為輕便的Turtle Graphics
from turtle import * # "*"是引用所有函數(shù) def square(x, y, size, color_name): up() goto(x, y) down() color(color_name) begin_fill() forward(size) left(90) forward(size) left(90) forward(size) left(90) forward(size) left(90) end_fill()
上面是通過(guò)烏龜制圖,前進(jìn)單位距離后旋轉(zhuǎn)90度,然后再旋轉(zhuǎn)90度直至繪制出一個(gè)小方塊
引用剛剛我們繪圖的數(shù)據(jù)庫(kù)
from turtle import * from gamebase import square from random import randrange
然后定義畫布的大小
setup(420,420,0,0) //隱藏烏龜頭 emoj.emoj. hideturtle //隱藏軌跡 tracer(False) //繪制 done()
def gameLoop(): //隨機(jī)生成蘋果 apple_x = randrange(-200, 200) apple_y = randrange(-200, 200) //繪制蘋果 square(apple_x, apple_y, 10, "red") //刷新畫布 update()
注意,我們可以把貪吃蛇看作一個(gè)隊(duì)列,而這個(gè)隊(duì)列之中的每一個(gè)元素都包含兩個(gè)變量(該元素的橫縱坐標(biāo))
def gameLoop(): //隨機(jī)生成蘋果 apple_x = randrange(-200, 200) apple_y = randrange(-200, 200) //繪制蛇 for n in range(len(sanke)): square(snake[n][0],snake[n][1[],10,"black) //繪制蘋果 square(apple_x, apple_y, 10, "red") //刷新畫布 update()
貪吃蛇運(yùn)動(dòng)原理:為了方便使蛇移動(dòng),我們要把蛇倒裝到隊(duì)列中,在它移動(dòng)的時(shí)候,我們會(huì)拋出蛇隊(duì)列的第一個(gè)元素(pop()),然后,在蛇尾新增一個(gè)元素(append())
global apple_x, apple_y, snake, aim_x, aim_y #全局變量申請(qǐng)snake.append([ snake[-1][0] + aim_x, snake[-1][1] + aim_y ])snake.pop(0)global apple_x, apple_y, snake, aim_x, aim_y #全局變量申請(qǐng) snake.append([ snake[-1][0] + aim_x, snake[-1][1] + aim_y ]) snake.pop(0)
然后,我們要加入循環(huán)刷新運(yùn)行時(shí)間,
ontimer(gameLoop, 100) # 每100毫秒運(yùn)行一下gameLoop函數(shù)
我們要建立鍵盤監(jiān)聽(tīng),這對(duì)于python而言是十分簡(jiǎn)單的
listen() #監(jiān)聽(tīng) onkey(lambda: change(0, 10), "w") onkey(lambda: change(0, -10), "s") onkey(lambda: change(-10, 0), "a") onkey(lambda: change(10, 0), "d") gameLoop()
這個(gè)也是十分容易,我們只用比較蛇頭的橫縱坐標(biāo)是否都等于蘋果的橫縱坐標(biāo)(蛇頭與蘋果重合)
if snake[-1][0] != apple_x or snake[-1][1] != apple_y: snake.pop(0) else: apple_x = randrange(-20, 18) * 10 apple_y = randrange(-19, 19) * 10
這個(gè)原理和上面蛇是否吃到蘋果原理類似
def bite(): for n in range(len(snake)-1): if snake[-1][0] == snake[n][0] and snake[-1][1] == snake[n][1]: return True return False
def inside(): if -200 <= snake[-1][0] <= 180 and -190 <= snake[-1][1]<=190: return True else : return False
from turtle import * # "*"是引用所有函數(shù) def square(x, y, size, color_name): up() goto(x, y) down() color(color_name) begin_fill() forward(size) left(90) forward(size) left(90) forward(size) left(90) forward(size) left(90) end_fill()
from time import sleep apple_x = randrange(-20, 18) * 10 apple_y = randrange(-19, 19) * 10 snake = [[0, 0], [10, 0], [20, 0], [30, 0], [40, 0], [50, 0]] aim_x = 10 aim_y = 0 def inside(): if -200 <= snake[-1][0] <= 180 and -190 <= snake[-1][1]<=190: return True else : return False def change(x, y): global aim_x, aim_y aim_x = x aim_y = y def bite(): for n in range(len(snake)-1): if snake[-1][0] == snake[n][0] and snake[-1][1] == snake[n][1]: return True return False def gameLoop(): global apple_x, apple_y, snake, aim_x, aim_y #全局變量申請(qǐng) snake.append([ snake[-1][0] + aim_x, snake[-1][1] + aim_y ]) if snake[-1][0] != apple_x or snake[-1][1] != apple_y: snake.pop(0) else: apple_x = randrange(-20, 18) * 10 apple_y = randrange(-19, 19) * 10 if(not inside()) or bite(): square(snake[-1][0], snake[-1][1], 10,"hotpink") update() sleep(2)# 暫停2秒 apple_x = randrange(-20, 18) * 10 apple_y = randrange(-19, 19) * 10 snake = [[0, 0], [10, 0], [20, 0], [30, 0], [40, 0], [50, 0]] aim_x = 10 aim_y = 0 n = 0 clear() square(-210,-200,410,"black") square(-200,-190,390,"white") square(apple_x, apple_y, 10, "red") for n in range(len(snake)): square(snake[n][0], snake[n][1], 10, 'black') ontimer(gameLoop, 100) # 每300毫秒運(yùn)行一下gameLoop函數(shù) update() #注意:代碼的前后順序會(huì)給游戲帶來(lái)不同的體感 setup(420, 420, 0, 0) hideturtle() tracer(False) listen() #監(jiān)聽(tīng) onkey(lambda: change(0, 10), "w") onkey(lambda: change(0, -10), "s") onkey(lambda: change(-10, 0), "a") onkey(lambda: change(10, 0), "d") gameLoop() done()
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