小编今天要给大家分享的是双人贪吃蛇，大家可以和自己的兄弟，姐妹，爸爸，妈妈等一起玩哟！我先介绍一下游戏：
运行游戏，进入初始界面，按下空格键。
玩家（1）：w,a,s,d
玩家（2）：↑，←，↓，→
玩家要争夺7个实物，直到吃完为止
游戏结束。
下面是小编写的代码：
import math
import random
import pygame
from pygame.locals import *
running = False
playing = False
screen = None
timer = None
snk1 = None
snk2 = None
foods = None
remainFoods = 7
radiusFood = 8
'''
链表节点
'''
class Node:
def __init__(self, data, prev = None, next = None):
self.data = data
self.prev = prev
self.next = next
def insert_front(self, node):
if self.prev:
node.prev = self.prev
self.prev.next = node
self.prev = node
node.next = self
else:
self.prev = node
node.next = self
return node
def insert_back(self, node):
if self.next:
node.next = self.next
self.next.prev = node
self.next = node
node.prev = self
else:
self.next = node
node.prev = self
return node
def remove(self):
if self.next:
self.next.prev = self.prev
if self.prev:
self.prev.next = self.next
'''
蛇
'''
class Snack:
def __init__(self, surface, color, start_pos, end_pos, face):
self.color = color
self.surface = surface
self.head = Node(start_pos)
self.tail = Node(end_pos)
self.head.insert_back(self.tail)
self.length = self.distanceBetween(start_pos, end_pos)
self.face = face
self.speed = 120
self.eat = 0
self.grow = 0
self.mapAngle = [
[0, math.pi * 3 / 2, math.pi / 2],
[0, math.pi * 7 / 4, math.pi / 4],
[math.pi, math.pi * 5 / 4, math.pi * 3 / 4]
]
'''坐标取整'''
def intPos(self, pos):
return (int(pos[0]), int(pos[1]))
'''坐标转角度'''
def pos2Angle(self, pos):
return self.mapAngle[pos[0]][pos[1]]
'''极坐标位移'''
def polarPos(self, pos, angle, dis):
xx = pos[0] + dis * math.cos(angle)
yy = pos[1] + dis * math.sin(angle)
return (xx, yy)
'''计算两点间距离'''
def distanceBetween(self, pos1, pos2):
dx = pos2[0] - pos1[0]
dy = pos2[1] - pos1[1]
return math.sqrt(dx*dx + dy*dy)
'''计算两点间角度'''
def angleBetween(self, pos1, pos2):
dx = pos2[0] - pos1[0]
dy = pos2[1] - pos1[1]
return math.atan2(dy, dx)
'''改变面向'''
def changeFace(self, newFace):
if newFace[0] == 0 and newFace[1] == 0:
return
if newFace == self.face:
return
xx = self.face[0] + newFace[0]
yy = self.face[1] + newFace[1]
if xx == 0 and yy == 0:
return
self.face = newFace
self.head = self.head.insert_front(Node(self.head.data))
'''吃到食物'''
def eatFood(self, grow):
self.grow = grow
self.eat += 1
'''绘制蛇身'''
def draw(self):
node = self.head
pygame.draw.circle(self.surface, self.color, self.intPos(node.data), 6, 6)
while node:
n2 = node.next
if not n2:
break
pygame.draw.line(self.surface, self.color, self.intPos(node.data), self.intPos(n2.data), 6)
node = node.next
'''每帧移动'''
def walk(self, delta):
dis = self.speed * delta / 1000
self.head.data = self.polarPos(self.head.data, self.pos2Angle(self.face), dis)
if self.grow >= dis:
self.grow -= dis
else:
dis -= self.grow
self.grow = 0
self.cutTail(dis)
'''收缩尾巴'''
def cutTail(self, length):
node = self.tail
while length > 0:
n2 = node.prev
dis = self.distanceBetween(n2.data, node.data)
angle = self.angleBetween(node.data, n2.data)
if dis > length:
node.data = self.polarPos(node.data, angle, length)
length = 0
else:
self.tail = node.prev
node.remove()
length -= dis
node = node.prev
'''屏幕指定位置绘制文字'''
def printText(surface, str, pos, size = 24, color = (255, 255, 255)):
global screen
font = pygame.font.SysFont("microsoftyaheimicrosoftyaheiui", size)
text = font.render(str, True, color)
w = text.get_width()
h = text.get_height()
surface.blit(text, (pos[0] - w / 2, pos[1] - h / 2))
'''添加食物'''
def addFood():
global screen, snk1, snk2, foods, remainFoods
if remainFoods <= 0:
return
w = screen.get_width()
h = screen.get_height()
while True:
posX = random.randint(5, w - 5)
posY = random.randint(5, h - 5)
color = tuple(screen.get_at((posX, posY)))
if color != snk1.color and color != snk2.color:
break
remainFoods -= 1
if not foods:
foods = Node((posX, posY))
else:
foods = foods.insert_front(Node((posX, posY)))
'''删除食物'''
def removeFood(node):
global foods
if node == foods:
foods = foods.next
else:
node.remove()
'''检测吃到食物'''
def checkEatFood():
global foods, radiusFood, snk1, snk2
node = foods
while node:
if snk1.distanceBetween(snk1.head.data, node.data) < (radiusFood + 4):
snk1.eatFood(50)
removeFood(node)
addFood()
break
elif snk2.distanceBetween(snk2.head.data, node.data) < (radiusFood + 4):
snk2.eatFood(50)
removeFood(node)
addFood()
break
else:
node = node.next
'''游戏初始界面'''
def logo():
global screen, remainFoods
w = screen.get_width()
h = screen.get_height()
printText(screen, "Snack V1.0", (w / 2, h / 3), 48)
printText(screen, "任意键继续", (w / 2, h / 2), 24, (55, 255, 55))
printText(screen, str(remainFoods) + "个食物，抢完即止", (w / 2, h * 2 / 3), 32)
def quit():
pygame.font.quit()
'''检测游戏结束'''
def checkGameOver():
global remainFoods, snk1, snk2, foods, playing, screen
if remainFoods == 0 and foods == None:
playing = False
screen.fill((0,0,0))
w = screen.get_width()
h = screen.get_height()
if snk1.eat > snk2.eat:
printText(screen, "玩家1 胜利", (w / 2, h / 2), 48)
elif snk1.eat < snk2.eat:
printText(screen, "玩家2 胜利", (w / 2, h / 2), 48)
else:
printText(screen, "平局", (w / 2, h / 2), 48)
'''键盘按键转换成面向角度'''
def cmd():
global snk1, snk2
keys = pygame.key.get_pressed()
x1 = x2 = y1 = y2 = 0
if keys[pygame.K_RIGHT]:
x2+=1
if keys[pygame.K_LEFT]:
x2-=1
if keys[pygame.K_UP]:
y2+=1
if keys[pygame.K_DOWN]:
y2-=1
if keys[pygame.K_d]:
x1+=1
if keys[pygame.K_a]:
x1-=1
if keys[pygame.K_w]:
y1+=1
if keys[pygame.K_s]:
y1-=1
snk1.changeFace((x1, y1))
snk2.changeFace((x2, y2))
'''游戏每帧更新'''
def play(delta):
global playing, snk1, snk2
if not playing:
return
cmd()
snk1.walk(delta)
snk2.walk(delta)
checkEatFood()
checkGameOver()
'''绘制'''
def draw():
global snk1, snk2, playing, screen, radiusFood, remainFoods
if not playing:
return
screen.fill((0,0,0))
snk1.draw()
snk2.draw()
node = foods
while node:
color = (255, 255, 255)
if remainFoods == 0:
color = (255, 0, 0)
pygame.draw.circle(screen, color, node.data, radiusFood, radiusFood // 2 + 1)
node = node.next
def start(width = 800, height = 600, fps = 60):
global running, screen, timer, playing, snk1, snk2
pygame.init()
pygame.font.init()
font = pygame.font.SysFont("microsoftyaheimicrosoftyaheiui", 20)
pygame.display.set_caption("Snack V1.0")
screen = pygame.display.set_mode((width, height))
logo()
snk1 = Snack(screen, (0, 150, 200), (100, 100), (0, 100), (1, 0))
snk2 = Snack(screen, (255, 100, 0), (width * 5 // 6, height // 2), (width * 5 // 6 + 100, height // 2), (-1, 0))
for i in range(3):
addFood()
timer = pygame.time.Clock()
running = True
while running:
delta = timer.tick(fps)
play(delta)
draw()
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE and playing == False:
screen.fill((0,0,0))
playing = True
pygame.display.flip()
if __name__ == "__main__":
start()
quit()
以上就是双人贪吃蛇的代码啦！
教大家pygame的安装方式
在终端输入
pip install pyame，然后回车键进行安装
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持华域联盟。
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