snakegame

判断是否吃到食物？？？void food_slect()

return 1; break;

i--

case 's': \tcase 'S': \tcase 80 :

case 'w': \tcase 'W': \tcase 72 :

yes

定义触碰检测char touch_scan()

cleardevice()

no

food.food_flag!=0

在窗口中显示蛇void show_snake()

case left: if (snake.snake_xy.x[0] == 0)\treturn 1; break;

i=1

i < snake.snake_length

snake.snake_dir = up; break;

No

snake.snake_dir != left

case right: snake.snake_xy.x[0] = snake.snake_xy.x[0] + 10;\t\tbreak;

初始蛇的位置和长度void snake init（）

i++

snake.snake_dir = left; break;

case down:

snake.snake_dir = down; break;

开始

case 'd': \tcase 'D': \tcase 77 : 

struct Snake{ struct point snake_xy; char snake_dir; int  snake_length;}snake;

snake.snake_dir != up

case left: 

case 'a': \tcase 'A': \tcase 75 :

(snake.snake_xy.x[0]+10 == snake.snake_xy.x[i] && snake.snake_xy.y[0] == snake.snake_xy.y[i]) || (snake.snake_xy.x[0] == snake.snake_xy.x[i] && snake.snake_xy.y[0] == snake.snake_xy.y[i])

定义蛇的移动void move_snake()

struct Food{\tint food_x;\tint food_y;\tchar food_flag;\tint food_score;}food;

char userKey = _getch();

i=0

x = rand() % 49;\t\t\ty = rand() % 49;\t\t\tfood.food_x = x * 10;\t\t\tfood.food_y = y * 10;

(snake.snake_xy.x[0]-10 == snake.snake_xy.x[i] && snake.snake_xy.y[0] == snake.snake_xy.y[i]) || (snake.snake_xy.x[0] == snake.snake_xy.x[i] && snake.snake_xy.y[0] == snake.snake_xy.y[i])

snake.snake_dir != right

switch snake.snake_dir

setbkcolor(0x000000)

i = snake.snake_length - 1

flag=1

case right:

snake.snake_xy.x[i] = snake.snake_xy.x[i - 1];\t\tsnake.snake_xy.y[i] = snake.snake_xy.y[i - 1];

struct point{\tint x[50];\tint y[50];};

i < snake.snake_length - 1

switch (userKey)

int i;\tcleardevice();//清屏\tsetfillcolor(0x55FF55);// 设置当前填充颜色

food.food_x = 200;\tfood.food_y = 200;\tfood.food_flag = 0;\tfood.food_score = 0;

(snake.snake_xy.x[0] == snake.snake_xy.x[i] && snake.snake_xy.y[0]-10 == snake.snake_xy.y[i]) || (snake.snake_xy.x[0] == snake.snake_xy.x[i] && snake.snake_xy.y[0] == snake.snake_xy.y[i])

void Windows_init()

(snake.snake_xy.x[0] == snake.snake_xy.x[i] && snake.snake_xy.y[0]+10 == snake.snake_xy.y[i]) || (snake.snake_xy.x[0] == snake.snake_xy.x[i] && snake.snake_xy.y[0] == snake.snake_xy.y[i])

case down : snake.snake_xy.y[0] = snake.snake_xy.y[0] + 10;\t\tbreak;

 snake.snake_xy.x[0] = 10; snake.snake_xy.y[0] = 0; snake.snake_xy.x[1] = 0; snake.snake_xy.y[1] = 0; snake.snake_xy.x[2] = -10; snake.snake_xy.y[2] = 0; snake.snake_dir = right; snake.snake_length = 3;

snake.snake_dir != down

case right: if (snake.snake_xy.x[0] == 490)\treturn 1; break;

设置键盘映射void key_dowm()

case up:

switch (snake.snake_dir)

int i;

吃到食物后进行的相关操作void eat_food()

调用窗口void Windows_init()

case down: if (snake.snake_xy.y[0] == 490)\treturn 1; break;

snake.snake_dir = right; break;

定义食物的初始参数void food_init()

case up: snake.snake_xy.y[0] = snake.snake_xy.y[0] - 10;\t\tbreak;

case up: if (snake.snake_xy.y[0] == 0)\treturn 1; break;

case left:  snake.snake_xy.x[0] = snake.snake_xy.x[0] - 10;  break;

snake.snake_xy.x[0] == food.food_x && snake.snake_xy.y[0] == food.food_y

在窗口中显示食物void show_food()

snake.snake_length += 1;  food.food_flag = 1;     food.food_score += 10;

i > 0