C + + snake

#include <iostream> #include <cstdio> #include <cstdlib> #include <ctime> #include <conio.h >using namespace Std;typedef struct{int x, y;}                                          Point;char map[22][22];                     Define a 22*22 map (with border) point snake[400], food, Next;                                                 Define snakes, food, next snake head position int head, tail;                     subscript int grade, length, autotime for storing snake head and tail of snake;                                                 Game level, snake length, automatic advance time required char direction; Forward direction//define inline functions with inline save program runtime call cost//refresh map inline void Update (char map[][22], int grade, int length, int autotime) {Syst                                          EM ("CLS");       Clear screen int i, J;       printf ("\ n");              for (i = 0; i <; i++) {printf ("\ t");              for (j = 0; J <; J + +) printf ("%c", Map[i][j]);              if (i = = 0) printf ("\ t level:%d", grade);             if (i = = 2)        printf ("\ t is length:%d", length);              if (i = = 6) printf ("\ t forward Speed:%d", autotime);       printf ("\ n"); }}//welcome interface inline void Hello () {puts ("\n\n\n\t\t\t snake game is about to begin! Please use the arrow keys to start the game!                                          ");       Ready to start double start;                            for (int i = 1; I >= 0; i--) {start = (double) clock ()/clocks_per_sec;       Gets the time that the program runs so far while (double) clock ()/Clocks_per_sec-start <= 1);                                                                      After 1 seconds, if (i) {System ("CLS");                            Clear screen printf ("\n\n\n\t\t\t Entry countdown:%d\n", i);                            Countdown} else Update (map, grade, length, autotime);                                                          Refresh map}}//randomly generated food position inline void f () {srand (int (time (0)));            Call seed function do{food.x = rand ()% 20 + 1;       Food.y = rand ()% 20 + 1;       } while (Map[food.x][food.y]! = ");                                                               MAP[FOOD.X][FOOD.Y] = '! '; Food is "!"}       Initialize the inline void init () {int i, J;       for (i = 1; I <=, i++) for (j = 1; J <=, J + +) map[i][j] = ";       for (i = 0; I <=; i++) map[0][i] = map[21][i] = map[i][0] = map[i][21] = ' * ';                                          Boundary map[1][1] = map[1][2] = ' O ';                                                      Snake body (including snake tail) map[1][3] = ' @ '; Head of snakehead = 2;                                                   tail = 0; At the beginning of the head and tail subscript snake[head].x = 1;                                SNAKE[HEAD].Y = 3; At the beginning of the snake head on the map subscript snake[tail].x = 1;                                SNAKE[TAIL].Y = 1; At the beginning of the snake tail on the map subscript snake[1].x = 1;  SNAKE[1].Y = 2;                                   At the beginning of the snake body on the map subscript f (); Randomly generated food location grade = 1; length = 3;                               Autotime = 500;                                                      Start level, length, auto advance time Direction = 77;       The initial motion direction to the right}//pre-forward inline int GO () {bool Timeover = true;                     Double start = (double) clock ()/clocks_per_sec; Get the time that the program runs so far//automatically after 1 seconds or wait 1 seconds for keyboard input while (Timeover = (double) clock ()/Clocks_per_sec-start <= Autoti       me/1000.0)) &&!_kbhit ());              Keyboard input if (timeover) {_getch ();                                                               Direction = _getch (); Get direction} switch (direction) {case 72:next.x = snake[head].x-1;              Next.y = SNAKE[HEAD].Y;       Up break; Case 80:next.x = snake[head].x + 1; Next.y = Snake[heAD].Y;       Downward break; Case 75:next.x = snake[head].x;              Next.y = snake[head].y-1;       Break left; Case 77:next.x = snake[head].x;              Next.y = snake[head].y + 1;       Break right;                                                               Default:puts ("\tgame over!");       Press the non-directional key game failed return 0; } if (Next.x = = 0 | | Next.x = = 21 | | Next.y = = 0 | |              Next.y = = 21)//hit the border {puts ("\tgame over!");       return 0; } if (Map[next.x][next.y]! = "' &&! (              Next.x = = Food.x&&next.y = = food.y)//Eat yourself {puts ("\tgame over!");       return 0;                                                                                                  } if (length = = 400)              Longest snake length {puts ("\tgood game!");       return 0; } RETUrn 1;}                                                                      Eat to food inline void EAT () {length++;                                   length increased by 1 int _grade = LENGTH/10 + 1;              Compute level if (_grade! = Grade) {grade = _grade;                     if (autotime >=) autotime = 550-grade * 50;                                          Increase the first level of automatic time minus 50 milliseconds} Map[next.x][next.y] = ' @ ';              Snake head position change map[snake[head].x][snake[head].y] = ' O ';                                          The original snake head position changes to the snake body Head = (head + 1)% 400; Snake head subscript plus 1 snake[head].x = next.x;       Snake[head].y = Next.y;                                                                             Snake head subscript change f ();                     Randomly generated food location Update (map, grade, length, autotime);              Refresh the map}//didn't eat food. inline void FAILURE () {map[snake[tail].x][snake[tail].y] = "; The original position of the snake tail becomes "" tail = (tail + 1) % 400;                                          Snake tail subscript plus 1 Map[next.x][next.y] = ' @ ';              Snake head position change map[snake[head].x][snake[head].y] = ' O ';                                          The original snake head position changes to the snake body Head = (head + 1)% 400;                                                 Snake head subscript plus 1 snake[head].x = next.x;       Snake head subscript Change snake[head].y = Next.y;                     Update (map, grade, length, autotime);                                   Refresh map}//main function int main () {init ();                            Initialize Hello (); Welcome interface while (1) {if (GO ())//pre-forward {if (Nex              T.x = = Food.x&&next.y = = food.y) EAT ();       Eat to Food else FAILURE ();              No food to eat} else return 0; Failure or victory, game over} RETUrn 0;} 

　　

C + + snake