python贪吃蛇小游戏

深碍√TFBOYSˉ_ 2022-12-20 05:41 282阅读 0赞

### 贪吃蛇 ###

**1. 导入游戏库**

import pgzrun
    import random

**2.游戏初始化**

# 窗口大小
    WIDTH = 600
    HEIGHT = 480
    # 贪吃蛇
    bodys = [ [100,100],[80,100], [60,100], [40,100], [20,100]]
    head = [100,100]
    d = 'right'
    # 食物
    food = [290,290]
    # 得分
    score=0

**3.游戏窗口绘制**

def draw():
    #清空屏幕
    screen.clear()
    # 绘制网格
    for i in range(1,24):
    screen.draw.line((0,i*20),(600,i*20),'gray')
    for i in range(1,30):
    screen.draw.line((i*20,0),(i*20,480),'gray')
    #绘制蛇
    for body in bodys:
    rect = Rect(body,(20,20))
    screen.draw.filled_rect(rect,(0,0,255))
    inner = [body[0]+2,body[1]+2]
    rect = Rect(inner, (15, 15),center='center')
    screen.draw.filled_rect(rect, (0, 0, 180))
    # 绘制头
    rect = Rect(head, (20, 20))
    screen.draw.filled_rect(rect, (0, 200,0))
    inner = [head[0] + 2, head[1] + 2]
    rect = Rect(inner, (15, 15))
    screen.draw.filled_rect(rect, (0, 255, 12))
    # 绘制食物
    screen.draw.filled_circle(food,10, '#ffddee')
    # 绘制得分
    screen.draw.text('score:'+str(score),(20, 20), color="orange",fontsize=30)

**4.蛇的移动功能**

def run():
    global food,d,head,bodys,score
    # 新增一个格子的身体
    if d=='right':
    head[0] += 20
    elif d=='left':
    head[0] -= 20
    elif d=='up':
    head[1] -= 20
    else:
    head[1] += 20
    bodys.insert(0,list(head))
    if head[0] == food[0]-10 and head[1] == food[1] - 10:
    food = [random.randint(1,30)*20-10,random.randint(1,20)*20-10]
    score+=1
    if score>3:
    clock.unschedule(run)
    clock.schedule_interval(run, 0.1)
    else:
    bodys.pop()
    # 撞墙后重新开始
    if head[0]<0 or head[0]>580 or head[1]<0 or head[1]>480 or head in
    bodys[1:]:
    # 蛇回到初始位置
    bodys = [[100, 100], [80, 100], [60, 100], [40, 100], [20, 100]]
    head = [100, 100]
    # 方向向右
    d = 'right'
    # 得分清零
    score=0
    clock.unschedule(run)
    clock.schedule_interval(run, 0.3)

**5.按键控制蛇的行走方向**

# 按键控制蛇的行走方向
    def on_key_down(key):
    global d
    # 改变方向
    if key == keys.DOWN and d != 'up':
    d = 'down'
    if key == keys.UP and d != 'down':
    d = 'up'
    if key == keys.LEFT and d != 'right':
    d = 'left'
    if key == keys.RIGHT and d != 'left':
    d = 'right'

**6.启动游戏**

# 定时设置
    clock.schedule_interval(run, 0.3)
    # 播放音乐
    music.play('music.mp3')
    # 启动游戏
    pgzrun.go()

**完整代码**

# 1.导入库
    import pgzrun
    import random
    
    # 2.初始化
    # 窗口大小
    WIDTH = 600
    HEIGHT = 480
    # 贪吃蛇
    bodys = [[100, 100], [80, 100], [60, 100], [40, 100], [20, 100]]
    head = [100, 100]
    d = 'right'
    # 食物
    food = [290, 290]
    # 得分
    score = 0
    
    # 3.游戏窗口绘制
    def draw():
        # 清空屏幕
        screen.clear()
        # 绘制网格
        for i in range(1, 24):
            screen.draw.line((0, i * 20), (600, i * 20), 'gray')
        for i in range(1, 30):
            screen.draw.line((i * 20, 0), (i * 20, 480), 'gray')
        # 绘制蛇
        for body in bodys:
            rect = Rect(body, (20, 20))
            screen.draw.filled_rect(rect, (0, 0, 255))
            inner = [body[0] + 2, body[1] + 2]
            rect = Rect(inner, (15, 15), center='center')
            screen.draw.filled_rect(rect, (128, 0, 128)) # 紫色
    
        # 绘制头
        rect = Rect(head, (20, 20))
        screen.draw.filled_rect(rect, (0, 200, 0))
        inner = [head[0] + 2, head[1] + 2]
        rect = Rect(inner, (15, 15))
        screen.draw.filled_rect(rect, (0, 255, 12))
        # 绘制食物 颜色为红色
        screen.draw.filled_circle(food, 10, '#ff0000')
        # 绘制得分
        screen.draw.text('score:' + str(score), (20, 20), color="red", fontsize=30)
    
    # 4.蛇的移动功能
    def run():
        global food, d, head, bodys, score
        # 新增一个格子的身体
        if d == 'right':
            head[0] += 20
        elif d == 'left':
            head[0] -= 20
        elif d == 'up':
            head[1] -= 20
        else:
            head[1] += 20
        bodys.insert(0, list(head))
        if head[0] == food[0] - 10 and head[1] == food[1] - 10:
            food = [random.randint(1, 30) * 20 - 10, random.randint(1, 20) * 20 - 10]
            score += 1
            if score > 10:
                clock.unschedule(run)
                clock.schedule_interval(run, 0.1)
        else:
            bodys.pop()
        # 撞墙后重新开始
        if head[0] < 0 or head[0] > 580 or head[1] < 0 or head[1] > 480 or head in bodys[1:]:
            # 蛇回到初始位置
            bodys = [[100, 100], [80, 100], [60, 100], [40, 100], [20, 100]]
            head = [100, 100]
            # 方向向右
            d = 'right'
            # 得分清零
            score = 0
            clock.unschedule(run)
            clock.schedule_interval(run, 0.3)
    
    
    # 按键控制蛇的行走方向
    def on_key_down(key):
        global d
        # 改变方向
        if key == keys.DOWN and d != 'up':
            d = 'down'
        if key == keys.UP and d != 'down':
            d = 'up'
        if key == keys.LEFT and d != 'right':
            d = 'left'
        if key == keys.RIGHT and d != 'left':
            d = 'right'
    
    # 6.启动游戏
    # 定时设置
    clock.schedule_interval(run, 0.3)
    # 播放音乐
    music.play('music.mp3')
    # 启动游戏
    pgzrun.go()