C ++ source code

From: http://blog.csdn.net/hp_justdoit/article/details/8456000

# Include <iostream> # include <windows. h> # include <conio. h> # include <time. h> # include <stdlib. h> using namespace STD; const int n = 21; // n indicates the side length of the square that the snake can move. Void get_xy (int x, int y) // locate the cursor position {handle Hout; coord Pos; POS. X = x * 2; POS. y = y; Hout = getstdhandle (std_output_handle); setconsolecursorposition (Hout, POS);} void color (INT num) // set the color {handle Hout; Hout = getstdhandle (handler ); setconsoletextattribute (Hout, num);} void initial () // initialize {int I, j; int wall [n + 2] [n + 2] ={ {0 }}; for (I = 1; I <= N; I ++) for (j = 1; j <= N; j ++) wall [I] [J] = 1; color (11); for (I = 0; I <n + 2; I ++) {for (j = 0; j <n + 2; j ++) {If (Wall [I] [J]) cout <"■"; else cout <"□" ;}cout <Endl ;}get_xy (N + 3, 1 ); color (20); cout <"perform operations by 'w', 's', 'A', and 'D'" <Endl; get_xy (n + ); color (20); cout <"press any key to pause" <Endl; get_xy (N + 3); color (20); cout <"score: "<Endl;} void game () {int ** snake = NULL; // snake is an array of int Len = 1; int I; int score = 0; int Apple [2]; int tail [2]; char CH = 'P'; initial (); // obtain a random food location srand (unsigned) Time (null); Apple [0] = rand () % N + 1; Apple [1] = rand () % N + 1; get_xy (Apple [0], Apple [1]); color (12); cout <"●" <Endl; // allocate memory space to the snake array. Snake = (INT **) realloc (snake, sizeof (int *) * Len); for (I = 0; I <Len; I ++) Snake [I] = (int *) malloc (sizeof (INT) * 2 ); // start placing the snake in the center of the page. Snake [0] [0] = n/2; snake [0] [1] = n/2 + 1; get_xy (snake [0] [0], snake [0] [1]); color (14); cout <"⊙" <Endl; int flag = 1; // while (1) {// each move, the last tail is restored to the background color if (FLAG) {tail [0] = snake [len-1] [0]; tail [1] = snake [len-1] [1]; get_xy (tail [0], tail [1]); color (11 ); cout <"■" <Endl;} flag = 1; for (I = len-1; I> 0; I --) {snake [I] [0] = snake [I-1] [0]; snake [I] [1] = snake [I-1] [1]; get_xy (snake [I] [0], snake [I] [1]); color (14); cout <"★"<Endl ;} /* ===================================================== ================================ Function Name: in kbhit () (VC ++ 6.0, It is the _ kbhit () function and return value: Check whether there is a keyboard input. If yes, a non-0 value is returned. Otherwise, the return 0 method is used: int kbhit (void); contains the header file: Include <conio. h ========================================================== =================================== */If (kbhit ()) {get_xy (0, N + 3); CH = getche () ;}switch (CH) {Case 'W ': snake [0] [1] --; break; Case's ': Snake [0] [1] ++; break; Case 'A': c ASE 'A': Snake [0] [0] --; break; Case 'D': Snake [0] [0] ++; break; default: break;} for (I = 1; I <Len; I ++) {// The snake bites the snake and the game ends! If (snake [0] [0] = snake [I] [0] & snake [0] [1] = snake [I] [1]) {get_xy (n/2, n/2); color (30); cout <"game over! "<Endl; exit (0) ;}} get_xy (snake [0] [0], snake [0] [1]); color (14 ); cout <"⊙" <Endl; /* ===================================================== ============================== Function Name: sleep function: run the unsigned sleep (unsigned milliseconds) function for a period of time; Use the header file # include <windows. h> in the GCC compiler, the header files used vary with GCC versions # include <unistd. h ========================================================== ===================================== * // the higher the score, the faster the snake moves, sleep (ABS (200-0.5 * score); // snake If (snake [0] [0] = Apple [0] & snake [0] [1] = Apple [1]) {flag = 0; score ++; Len ++; srand (unsigned) Time (null); snake = (INT **) realloc (snake, sizeof (int *) * Len ); snake [len-1] = (int *) malloc (sizeof (INT) * 2); get_xy (n + 6, 3); color (20); cout <score <Endl; apple [0] = rand () % N + 1; Apple [1] = rand () % N + 1; get_xy (Apple [0], Apple [1]); color (12); cout <"●" <Endl ;}// the snake head hits the wall and the game is over! If (snake [0] [0] = 0 | snake [0] [0] = n | snake [0] [1] = 0 | snake [0] [1] = N) {get_xy (n/2, n/2); color (30); cout <"game over! "<Endl; for (I = 0; I <Len; I ++) Free (snake [I]); sleep (infinite); exit (0 );} // game clearance! If (LEN> = N * n/20) {get_xy (n/2, n/2); color (30); cout <"win! "<Endl; for (I = 0; I <Len; I ++) Free (snake [I]); sleep (infinite); exit (0 );}}} int main () {game (); Return 0 ;}