确定。所以我到目前为止已经在python上找到了一个蛇游戏的代码。到目前为止，游戏正在运行，但现在我已经开始将BNP从正方形变为圆形物体，我想知道的是如何在输入处旋转身体和头部，让箭头键使身体部位发生变化。我不知道这是否可能，好吧，但不是我想要的方式。 我发布下面的代码。
import pygame
import sys
from pygame.locals import *
import random
import time
left = -20
right = 20
up = 10
down = -10
size = width, height = 640, 480
block_size = 20
class Food:
def __init__(self, screen, snake):
self.snake = snake
self.screen = screen
self.image = pygame.image.load('food.bmp').convert()
self.spawn()
def spawn(self):
collision = True
while collision:
random_x = random.randrange(0, width, block_size)
random_y = random.randrange(0, height, block_size)
collision = False
for each in snake.parts:
if each.position.x == random_x and each.position.y == random_y:
collision = True
break
self.position = self.image.get_rect().move(random_x, random_y)
self.blit()
def blit(self):
self.screen.blit(self.image, self.position)
class Part:
def __init__(self, x=0, y=0, direction=right):
self.direction = direction
self.image = pygame.image.load('part.bmp').convert()
self.position = self.image.get_rect().move(x, y)
self.speed = block_size
def change_direction(self, direction):
if self.direction + direction == 0:
return
self.direction = direction
def move(self):
if self.position.x >= width - block_size and self.direction == right:
return False
if self.position.y >= height - block_size and self.direction == down:
return False
if self.position.x <= 0 and self.direction == left:
return False
if self.position.y <= 0 and self.direction == up:
return False
if self.direction == up:
self.position = self.position.move(0, -self.speed)
elif self.direction == down:
self.position = self.position.move(0, self.speed)
elif self.direction == right:
self.position = self.position.move(self.speed, 0)
elif self.direction == left:
self.position = self.position.move(-self.speed, 0)
return True
class Parthead:
def __init__(self, x=0, y=0, direction=right):
self.direction = direction
self.image = pygame.image.load('parthead.bmp').convert()
self.position = self.image.get_rect().move(x, y)
self.speed = block_size
def change_direction(self, direction):
if self.direction + direction == 0:
return
self.direction = direction
def move(self):
if self.position.x >= width - block_size and self.direction == right:
return False
if self.position.y >= height - block_size and self.direction == down:
return False
if self.position.x <= 0 and self.direction == left:
return False
if self.position.y <= 0 and self.direction == up:
return False
if self.direction == up:
self.position = self.position.move(0, -self.speed)
elif self.direction == down:
self.position = self.position.move(0, self.speed)
elif self.direction == right:
self.position = self.position.move(self.speed, 0)
elif self.direction == left:
self.position = self.position.move(-self.speed, 0)
return True
class Snake:
def __init__(self, screen, x=0, y=0):
self.screen = screen
self.head = Parthead(x, y)
self.direction = right
self.length = 1
self.parts = []
self.parts.append(self.head)
self.extend_flag = False
def change_direction(self, direction):
self.direction = direction
def move(self, food):
new_direction = self.direction
old_direction = None
new_part = None
if self.extend_flag:
last_part = self.parts[-1]
new_part = Part(last_part.position.x, last_part.position.y, last_part.direction)
for each in self.parts:
old_direction = each.direction
each.change_direction(new_direction)
if not each.move():
return False
new_direction = old_direction
if self.extend_flag:
self.extend(new_part)
for each in self.parts[1:]:
if each.position.x == self.head.position.x and each.position.y == self.head.position.y:
return False
if food.position.x == self.head.position.x and food.position.y == self.head.position.y:
food.spawn()
self.extend_flag = True
return True
def extend(self, part):
self.parts.append(part)
self.length += 1
self.extend_flag = False
def blit(self):
for each in self.parts:
self.screen.blit(each.image, each.position)
black = 0, 0, 0
pygame.init()
pygame.display.set_caption('Snake by Jonathan Dring')
screen = pygame.display.set_mode(size)
game = True
while True:
snake = Snake(screen)
food = Food(screen, snake)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT: sys.exit()
if event.type == KEYDOWN:
if (event.key == K_RIGHT):
snake.change_direction(right)
elif (event.key == K_LEFT):
snake.change_direction(left)
elif (event.key == K_UP):
snake.change_direction(up)
elif (event.key == K_DOWN):
snake.change_direction(down)
elif (event.key == K_SPACE):
snake.extend_flag = True
if not snake.move(food):
game = False
break
screen.fill(black)
print ("Snake - The Game")
snake.blit()
food.blit()
pygame.display.update()
pygame.time.delay(100)
while not game:
for event in pygame.event.get():
if event.type == pygame.QUIT: sys.exit()
if event.type == KEYDOWN:
if (event.key == K_SPACE):
game = True
elif (event.key == K_RETURN):
game = True
elif event.key == K_ESCAPE:
pygame.quit()
background = pygame.image.load('gameover.bmp').convert()
screen.blit(background, (0, 0))
pygame.display.flip()
pygame.time.delay(100)
如果您知道该怎么做，请回复！
答案 0 :(得分：1)
看到仍然没有答案，这里是如何旋转精灵。当然，你只能旋转精灵的矩形。添加到精灵中时，此功能会在您向角落发送角度时使其旋转：
def rotate(self,angle):
self.rect = pygame.transform.rotate(self.rect, angle)
这应该有用。