C语言贪食蛇

C语言 贪吃蛇实现

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <conio.h>

#define SNAKE_MAX_LENGTH 20
#define SNAKE_HEAD 'H'
#define SNAKE_BODY 'X'
#define SNAKE_FOOD '$'
#define BLANK_CELL ' '
#define WALL_CELL '*'

void snakeMove(int a, int b);
void put_money();
void input();
void output();
void gameover();
void collision();
void creatfood();

char map[12][13]=
{"************",
"*XXXXH     *",
"*          *",
"*          *",
"*          *",
"*          *",
"*          *",
"*          *",
"*          *",
"*          *",
"*          *",
"************"};

int snakeX[SNAKE_MAX_LENGTH] = {1, 1, 1, 1, 1};
int snakeY[SNAKE_MAX_LENGTH] = {1, 2, 3, 4, 5};
int snakeLength = 4;
int snakeLife = 1;
int food = 0;
int fx, fy;
int snaketailX, snaketailY;        //Use in Snake's growth
char ch;

int main() {
while (snakeLife) {            //WHILE snake live DO
_sleep(300);               //each 0.3second refresh the map
system("cls");
if (food == 0)
creatfood();           //IT no food THEN creat food
input();
output();
collision();
}                              //END WHILE
getch();
return 0;
}

void input() {
if (kbhit() != 0) {            //IF no keyboard input THEN return the latest input
while(kbhit() != 0)        //INPUT the last keyboard input
ch = getch();
}
switch (ch) {                  //CASE ch DO
case 'a':                  //'a': turn left
snakeMove(0, -1);
break;
case 'd':                  //'d': turn right
snakeMove(0, 1);
break;
case 'w':                  //'w': up move
snakeMove(-1, 0);
break;
case 's':                  //'s': down move
snakeMove(1, 0);
break;

default:
break;
}                              //END CASE
}

void output() {
int i, j;
printf("C little game\n");
printf("created by MR.GU\n");
for (i = 1; i < 11; i++) {
for(j = 1; j < 11; j++) {
map[i][j] = ' ';
}
}
map[fx][fy] = '$';
map[snakeX[snakeLength]][snakeY[snakeLength]] = 'H';
for (i = 0; i < snakeLength; i++) {
map[snakeX[i]][snakeY[i]] = 'X';
}
for (i = 0; i < 12 ;i++) {
for (j = 0; j < 12; j++) {
printf("%c", map[i][j]);
}
printf("\n");
}
printf("Snake's Length: %d\n", snakeLength + 1);
}

void snakeMove(int a, int b) {
int i;
snaketailX = snakeX[0];
snaketailY = snakeY[0];
for (i = 0; i < snakeLength; i++) {
snakeX[i] = snakeX[i + 1];
snakeY[i] = snakeY[i + 1];
}
snakeX[snakeLength] += a;
snakeY[snakeLength] += b;
}

void creatfood() {
fx = rand() % 10 + 1;
fy = rand() % 10 + 1;
if(map[fx][fy] != 'H' && map[fx][fy]!= 'X') {
food++;
} else {
creatfood();
}
}

void collision() {
int i;
if (snakeX[snakeLength] == 11 || snakeX[snakeLength] == 0) {           //Snake | Head on WALL
snakeLife = 0;                                                     //Snake die
printf("Gameover!\n");                                             //OUTPUT "Gameover"
}
if (snakeY[snakeLength] == 11 || snakeY[snakeLength] == 0) {           //Snake | Head on WALL
snakeLife = 0;                                                     //Snake die
printf("Gameover!\n");                                             //OUTPUT "Gameover"
}
if (snakeX[snakeLength] == fx && snakeY[snakeLength] == fy) {          //Snake | Head on WALL
food--;
snakeLength++;                                                     //Food disappear and Snake grow
for (i = snakeLength; i > 0; i--) {
snakeX[i] = snakeX[i - 1];
snakeY[i] = snakeY[i - 1];
}
snakeX[0] = snaketailX;                                            //grow from the tail
snakeY[0] = snaketailY;
}
for (i = 0; i < snakeLength; i++) {                                    //Snake | Head on BODY
if (snakeX[i] == snakeX[snakeLength] && snakeY[i] == snakeY[snakeLength]) {
snakeLife = 0;
printf("hit your body!\n");                                    //Snake die
printf("Gameover!\n");                                          //OUTPUT "hit your body!","Gameover"
}
}
}