70行C语言代码实现贪吃蛇

#include <stdio.h> #include <Windows.h> #include <conio.h> #include <time.h>  #define MAX_WIDE 50 #define MAX_HIGH 16  short dx = 1, dy = 0, randxy, score = 0; COORD coord;  struct Snake{  short len;  short body[MAX_WIDE*MAX_HIGH]; }snake;  void draw() {  for(short i = 0; i < snake.len; i++){   coord.X = snake.body[i] & 127;   coord.Y = snake.body[i] >> 8;   SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);   putchar('*');  }  coord.X = randxy & 127;  coord.Y = randxy >> 8;  SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);  putchar('*'); } void run() {  char key;  short i, j;  while( snake.body[0] > 0 && ( (snake.body[0] & 127) < MAX_WIDE) && (snake.body[0]>>8 < MAX_HIGH) ){   draw();   for(;kbhit();) key = getch();   switch(key){   case 'W': dx = 0, dy = -1; break;   case 'S': dx = 0, dy = 1; break;   case 'A': dx = -1, dy = 0; break;   case 'D': dx = 1, dy = 0; break;   }   for(j = 1; j < snake.len; j++)    if(snake.body[j] == snake.body[0])     return;   if(randxy == snake.body[0]){     snake.len++, score += 10;     randxy = ((rand() % 16 + 0) <<8) | (rand() % 50 + 0);   }   for(i = snake.len-1; i > 0; i--)    snake.body[i] = snake.body[i-1];   snake.body[0] = ((snake.body[0] & 127) + dx) | ((snake.body[0] >>8) + dy)<<8;   Sleep(500);   system("cls");  } } int main() {  snake.body[MAX_WIDE*MAX_HIGH] = 0;  snake.body[0] = (MAX_HIGH/2)<<8 | MAX_WIDE/2;  snake.len = 1;  srand((unsigned)time(NULL));  randxy = ((rand() % 16 + 0) <<8) | (rand() % 50 + 0);  SMALL_RECT rect;  rect.Top = 0, rect.Left = 0;  rect.Bottom = MAX_HIGH, rect.Right = MAX_WIDE;  SetConsoleWindowInfo(GetStdHandle(STD_OUTPUT_HANDLE), true, &rect);  run();  printf("Your Score:%d", score);  return 0; }