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本帖最后由 石泊远 于 2021-1-26 21:00 编辑 import pygame, sys
import random
from pygame.math import Vector2
pygame.init()
class SNAKE:
def __init__(self):
self.body = [Vector2(5,10),Vector2(4,10),Vector2(3,10)]
self.direction = Vector2(1,0)
self.new_block = False
def draw_snake(self):
for block in self.body:
x_pos = int(block.x * cell_size)
y_pos = int(block.y * cell_size)
block_rect = pygame.Rect(x_pos,y_pos,cell_size,cell_size)
pygame.draw.rect(screen,(255,106,106),block_rect)
def move_snake(self):
if self.new_block:
body_copy = self.body[:]
body_copy.insert(0, body_copy[0] + self.direction)
self.body = body_copy[:]
self.new_block = False
else:
body_copy = self.body[:-1]
body_copy.insert(0,body_copy[0] + self.direction)
self.body = body_copy[:]
def add_block(self):
self.new_block = True
class FRUIT:
def __init__(self):
self.randommize()
def draw_fruit(self):
fruit_rect = pygame.Rect(int(self.pos.x * cell_size),int(self.pos.y * cell_size),cell_size,cell_size)
screen.blit(apple,fruit_rect)
def randommize(self):
self.x = random.randint(0, cell_number - 1)
self.y = random.randint(0, cell_number - 1)
self.pos = Vector2(self.x, self.y)
class MAIN:
def __init__(self):
self.snake = SNAKE()
self.fruit = FRUIT()
def update(self):
self.snake.move_snake()
self.check_collision()
self.check_fail()
def draw_elements(self):
self.draw_grass()
self.draw_score()
self.fruit.draw_fruit()
self.snake.draw_snake()
def check_collision(self):
if self.fruit.pos == self.snake.body[0]:
self.fruit.randommize()
self.snake.add_block()
def check_fail(self):
if not ((0 <= self.snake.body[0].x >= cell_number) or
not (0 <= self.snake.body[0].y >= cell_number)):
self.game_over()
for block in self.snake.body[1:]:
if block == self.snake.body[0]:
self.game_over()
def draw_grass(self):
grass_color = (167,199,61)
for cl in range(cell_number):
c_n = 0 if (cl == 0) or (cl % 2 == 0) else 1
for col in range(c_n,cell_number,2):
grass_rect = pygame.Rect(col * cell_size,cl * cell_size,cell_size,cell_size)
pygame.draw.rect(screen,grass_color,grass_rect)
def draw_score(self):
score_num = int(len(self.snake.body) - 3)
score_surface = game_font.render('SCORE '+str(score_num),True,(85,107,47))
score_x = int(3 * cell_size)
score_y = int(1 * cell_size)
score_rect = score_surface.get_rect(center = (score_x,score_y))
screen.blit(score_surface,score_rect)
def game_over(self):
pygame.quit()
sys.exit()
cell_size = 30
cell_number = 20
screen = pygame.display.set_mode((cell_size * cell_number,cell_size * cell_number))
clock = pygame.time.Clock()
apple = pygame.image.load('apple.jpg').convert_alpha()
game_font = pygame.font.Font(None,25)
main_game = MAIN()
SCREEN_UPDATE = pygame.USEREVENT
pygame.time.set_timer(SCREEN_UPDATE,100)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
main_game.game_over()
if event.type == SCREEN_UPDATE:
main_game.update() #这里出问题了
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
if main_game.snake.direction.y != 1:
main_game.snake.direction = Vector2(0,-1)
if event.key == pygame.K_RIGHT:
if main_game.snake.direction.x != -1:
main_game.snake.direction = Vector2(1,0)
if event.key == pygame.K_DOWN:
if main_game.snake.direction.y != -1:
main_game.snake.direction = Vector2(0,1)
if event.key == pygame.K_LEFT:
if main_game.snake.direction.x != 1:
main_game.snake.direction = Vector2(-1,0)
screen.fill((175,215,70))
main_game.draw_elements()
pygame.display.update()
clock.tick(60)
import random
import pygame
import sys
from pygame.locals import *
snake_speed = 5 #贪吃蛇的速度
windows_width = 800
windows_height = 600 #游戏窗口的大小
cell_size = 20 #贪吃蛇身体方块大小,注意身体大小必须能被窗口长宽整除
''' #初始化区
由于我们的贪吃蛇是有大小尺寸的, 因此地图的实际尺寸是相对于贪吃蛇的大小尺寸而言的
'''
map_width = int(windows_width / cell_size)
map_height = int(windows_height / cell_size)
# 颜色定义
white = (255, 255, 255)
black = (0, 0, 0)
gray = (230, 230, 230)
dark_gray = (40, 40, 40)
DARKGreen = (0, 155, 0)
Green = (0, 255, 0)
Red = (255, 0, 0)
blue = (0, 0, 255)
dark_blue =(0,0, 139)
BG_COLOR = black #游戏背景颜色
# 定义方向
UP = 1
DOWN = 2
LEFT = 3
RIGHT = 4
HEAD = 0 #贪吃蛇头部下标
#主函数
def main():
pygame.init() # 模块初始化
snake_speed_clock = pygame.time.Clock() # 创建Pygame时钟对象
screen = pygame.display.set_mode((windows_width, windows_height)) #
screen.fill(white)
pygame.display.set_caption("蓝蛇修仙") #设置标题
show_start_info(screen) #欢迎信息
while True:
running_game(screen, snake_speed_clock)
show_gameover_info(screen)
#游戏运行主体
def running_game(screen,snake_speed_clock):
startx = random.randint(3, map_width - 8) #开始位置
starty = random.randint(3, map_height - 8)
snake_coords = [{'x': startx, 'y': starty}, #初始贪吃蛇
{'x': startx - 1, 'y': starty},
{'x': startx - 2, 'y': starty}]
direction = RIGHT # 开始时向右移动
food = get_random_location() #实物随机位置
while True:
for event in pygame.event.get():
if event.type == QUIT:
terminate()
elif event.type == KEYDOWN:
if (event.key == K_LEFT or event.key == K_a) and direction != RIGHT:
direction = LEFT
elif (event.key == K_RIGHT or event.key == K_d) and direction != LEFT:
direction = RIGHT
elif (event.key == K_UP or event.key == K_w) and direction != DOWN:
direction = UP
elif (event.key == K_DOWN or event.key == K_s) and direction != UP:
direction = DOWN
elif event.key == K_ESCAPE:
terminate()
move_snake(direction, snake_coords) #移动蛇
ret = snake_is_alive(snake_coords)
if not ret:
break #蛇跪了. 游戏结束
snake_is_eat_food(snake_coords, food) #判断蛇是否吃到食物
screen.fill(BG_COLOR)
#draw_grid(screen)
draw_snake(screen, snake_coords)
draw_food(screen, food)
draw_score(screen, len(snake_coords) - 3)
pygame.display.update()
snake_speed_clock.tick(snake_speed) #控制fps
#将食物画出来
def draw_food(screen, food):
x = food['x'] * cell_size
y = food['y'] * cell_size
appleRect = pygame.Rect(x, y, cell_size, cell_size)
pygame.draw.rect(screen, Red, appleRect)
#将贪吃蛇画出来
def draw_snake(screen, snake_coords):
for coord in snake_coords:
x = coord['x'] * cell_size
y = coord['y'] * cell_size
wormSegmentRect = pygame.Rect(x, y, cell_size, cell_size)
pygame.draw.rect(screen, dark_blue, wormSegmentRect)
wormInnerSegmentRect = pygame.Rect( #蛇身子里面的第二层亮绿色
x + 4, y + 4, cell_size - 8, cell_size - 8)
pygame.draw.rect(screen, blue, wormInnerSegmentRect)
#画网格(可选)
def draw_grid(screen):
for x in range(0, windows_width, cell_size): # draw 水平 lines
pygame.draw.line(screen, dark_gray, (x, 0), (x, windows_height))
for y in range(0, windows_height, cell_size): # draw 垂直 lines
pygame.draw.line(screen, dark_gray, (0, y), (windows_width, y))
#移动贪吃蛇
def move_snake(direction, snake_coords):
if direction == UP:
newHead = {'x': snake_coords[HEAD]['x'], 'y': snake_coords[HEAD]['y'] - 1}
elif direction == DOWN:
newHead = {'x': snake_coords[HEAD]['x'], 'y': snake_coords[HEAD]['y'] + 1}
elif direction == LEFT:
newHead = {'x': snake_coords[HEAD]['x'] - 1, 'y': snake_coords[HEAD]['y']}
elif direction == RIGHT:
newHead = {'x': snake_coords[HEAD]['x'] + 1, 'y': snake_coords[HEAD]['y']}
snake_coords.insert(0, newHead)
#判断蛇死了没
def snake_is_alive(snake_coords):
tag = True
if snake_coords[HEAD]['x'] == -1 or snake_coords[HEAD]['x'] == map_width or snake_coords[HEAD]['y'] == -1 or \
snake_coords[HEAD]['y'] == map_height:
tag = False # 蛇碰壁啦
for snake_body in snake_coords[1:]:
if snake_body['x'] == snake_coords[HEAD]['x'] and snake_body['y'] == snake_coords[HEAD]['y']:
tag = False # 蛇碰到自己身体啦
return tag
#判断贪吃蛇是否吃到食物
def snake_is_eat_food(snake_coords, food): #如果是列表或字典，那么函数内修改参数内容，就会影响到函数体外的对象。
if snake_coords[HEAD]['x'] == food['x'] and snake_coords[HEAD]['y'] == food['y']:
food['x'] = random.randint(0, map_width - 1)
food['y'] = random.randint(0, map_height - 1) # 实物位置重新设置
else:
del snake_coords[-1] # 如果没有吃到实物, 就向前移动, 那么尾部一格删掉
#食物随机生成
def get_random_location():
return {'x': random.randint(0, map_width - 1), 'y': random.randint(0, map_height - 1)}
#开始信息显示
def show_start_info(screen):
font = pygame.font.Font('myfont.ttf', 40)
tip = font.render('按任意键开始游戏~~~', True, (65, 105, 225))
gamestart = pygame.image.load('ok.png')
screen.blit(gamestart, (140, 30))
screen.blit(tip, (240, 550))
pygame.display.update()
while True: #键盘监听事件
for event in pygame.event.get(): # event handling loop
if event.type == QUIT:
terminate() #终止程序
elif event.type == KEYDOWN:
if (event.key == K_ESCAPE): #终止程序
terminate() #终止程序
else:
return #结束此函数, 开始游戏
#游戏结束信息显示
def show_gameover_info(screen):
font = pygame.font.Font('myfont.ttf', 40)
tip = font.render('按Q或者ESC退出游戏, 按任意键重新开始游戏~', True, (65, 105, 225))
gamestart = pygame.image.load('gameover.png')
screen.blit(gamestart, (60, 0))
screen.blit(tip, (80, 300))
pygame.display.update()
while True: #键盘监听事件
for event in pygame.event.get(): # event handling loop
if event.type == QUIT:
terminate() #终止程序
elif event.type == KEYDOWN:
if event.key == K_ESCAPE or event.key == K_q: #终止程序
terminate() #终止程序
else:
return #结束此函数, 重新开始游戏
#画成绩
def draw_score(screen,score):
font = pygame.font.Font('myfont.ttf', 30)
scoreSurf = font.render('得分: %s' % score, True, Green)
scoreRect = scoreSurf.get_rect()
scoreRect.topleft = (windows_width - 120, 10)
screen.blit(scoreSurf, scoreRect)
#程序终止
def terminate():
pygame.quit()
sys.exit()
main()
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狗仔卡
发表于 2021-1-26 20:51:23
置顶卡
千斤顶
显身卡
发表于 2021-1-27 10:10:39
楼主