跟pycharm没关系 索引超出了范围 你看看snake.body是不是空的

contain_of 跟pycharm没关系 索引超出了范围 你看看snake.body是不是空的

不是空的啊，这咋改好，不知道咋弄 import sys
import pygame

SCREEN_X = 600
SCREEN_Y = 600


class Snake(object):
    def __init__(self):
        self.direction = pygame.K_RIGHT
        self.body = []
        for _ in range(5):
            self.addnode()

    def addnode(self):
        _, prev_top = 0, 0
        if self.body:
            prev_left, prev_top = self.body[0].left, self.body[0].top
            node = pygame.Rect(prev_left, prev_top, 25, 25)
            if self.direction == pygame.K_LEFT:
                node.left -= 25
            elif self.direction == pygame.K_RIGHT:
                node.left += 25
            elif self.direction == pygame.K_UP:
                node.top -= 25
            elif self.direction == pygame.K_DOWN:
                node.top += 25
            self.body.insert(0, node)

    def delnode(self):
        pass

    def isdead(self):
        pass

    def move(self):
        self.addnode()
        self.delnode()

    def change_direction(self, curkey):
        LR = [pygame.K_LEFT, pygame.K_RIGHT]
        UD = [pygame.K_UP, pygame.K_DOWN]
        if (curkey in LR) and (self.direction in LR):
            return
        if (curkey in UD) and (self.direction in UD):
            return
        self.direction = curkey


class Food:
    def __init__(self):
        self.rect = pygame.Rect(0, 0, 25, 25)
        self.set()

    def set(self):
        while True:
            x = pygame.time.get_ticks() % (SCREEN_X // 25) * 25
            y = pygame.time.get_ticks() % (SCREEN_Y // 25) * 25
            new_rect = pygame.Rect(x, y, 25, 25)
            is_overlap = False
            for rect in Snake().body:
                if new_rect.colliderect(rect):
                    is_overlap = True
                    break
            if not is_overlap:
                self.rect = new_rect
                break

    def remove(self):
        pass


def show_text(screen):
    font = pygame.font.Font(None, 36)
    text = font.render("Game Over", True, (255, 0, 0))
    screen.blit(text, (SCREEN_X // 2 - 100, SCREEN_Y // 2))


def main(is_dead=None):
    pygame.init()
    screen_size = (SCREEN_X, SCREEN_Y)
    screen = pygame.display.set_mode(screen_size)
    pygame.display.set_caption('Snake')
    clock = pygame.time.Clock()
    scores = 0

    snake = Snake()
    food = Food()

    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                sys.exit()
            if event.type == pygame.KEYDOWN:
                snake.change_direction(event.key)
                # 死后按 space 重新开始
                if event.key == pygame.K_SPACE and snake.isdead():
                    return main()

        # 背景颜色 RGB
        screen.fill((255, 255, 255))

        if not snake.isdead():
            scores += 1
            snake.move()
        for rect in snake.body:
            # 用于绘制矩形
            pygame.draw.rect(screen, (20, 220, 39), rect, 0)

        snake.isdead()
        if is_dead:
            show_text(screen)

        if food.rect == snake.body[100]:
            scores += 50
            food.remove()
            snake.addnode()

            food.set()
            pygame.draw.rect(screen, (132, 0, 21), food.rect, 0)

        show_text(screen)

        pygame.display.update()
        clock.tick(10)


if __name__ == '__main__':
    main()

加上检测下标越界代码，比如：if len(snake.body) > 0 and food.rect == snake.body[0]: