真不知道我是怎么想的
//wasd移动#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <conio.h>
#include <time.h>
#include <windows.h>
#define MAXWIDTH 30
#define MAXHEIGHT 30
#define INITLEN 3 //贪吃蛇的初始长度
struct{
char *ch;
int color;
char type;
}
charBorder = { "■", 4, 1 }, //边框
charBg = { "■", 2, 2 }, //背景
charSnake = { "■", 0xe, 3 }, //贪吃蛇节点
charFood = { "●", 0xc, 4 }; //食物
//用一个结构体数组保存地图中的各个点
struct{
char type;
int index;
}globalMap[MAXWIDTH][MAXHEIGHT];
struct{
int x;
int y;
} snakeMap[(MAXWIDTH - 2)*(MAXHEIGHT - 2)], scoresPostion;
int scores = 0; //得分
int snakeMapLen = (MAXWIDTH - 2)*(MAXHEIGHT - 2);
int headerIndex, tailIndex;
HANDLE hStdin;
// 设置光标位置，x为行，y为列
void setPosition(int x, int y){
COORD coord;
coord.X = 2 * y;
coord.Y = x;
SetConsoleCursorPosition(hStdin, coord);
}
// 设置颜色
void setColor(int color){
SetConsoleTextAttribute(hStdin, color);
}
//创建食物
void createFood(){
int index, rang, x, y;
srand((unsigned)time(NULL));
if (tailIndex<headerIndex){
rang = headerIndex - tailIndex - 1;
index = rand() % rang + tailIndex + 1;
}
else{
rang = snakeMapLen - (tailIndex - headerIndex + 1);
index = rand() % rang;
if (index >= headerIndex){
index += (tailIndex - headerIndex + 1);
}
}
x = snakeMap[index].x;
y = snakeMap[index].y;
setPosition(x, y);
setColor(charFood.color);
printf("%s", charFood.ch);
globalMap[x][y].type = charFood.type;
}
//死了
void die(){
int xCenter = MAXHEIGHT % 2 == 0 ? MAXHEIGHT / 2 : MAXHEIGHT / 2 + 1;
int yCenter = MAXWIDTH % 2 == 0 ? MAXWIDTH / 2 : MAXWIDTH / 2 + 1;
setPosition(xCenter, yCenter - 5);
setColor(0xC);
exit(1);
_getch();
exit(0);
}
// 蛇移动
void move(char direction){
int newHeaderX, newHeaderY; //新蛇头的坐标
int newHeaderPreIndex; //新蛇头坐标以前对应的索引
int newHeaderPreX, newHeaderPreY; //新蛇头的索引以前对应的坐标
int newHeaderPreType; //新蛇头以前的类型
int oldTailX, oldTailY; //老蛇尾坐标
switch (direction){
case 'w':
newHeaderX = snakeMap[headerIndex].x - 1;
newHeaderY = snakeMap[headerIndex].y;
break;
case 's':
newHeaderX = snakeMap[headerIndex].x + 1;
newHeaderY = snakeMap[headerIndex].y;
break;
case 'a':
newHeaderX = snakeMap[headerIndex].x;
newHeaderY = snakeMap[headerIndex].y - 1;
break;
case 'd':
newHeaderX = snakeMap[headerIndex].x;
newHeaderY = snakeMap[headerIndex].y + 1;
break;
}
headerIndex = headerIndex == 0 ? snakeMapLen - 1 : headerIndex - 1;
newHeaderPreIndex = globalMap[newHeaderX][newHeaderY].index;
newHeaderPreX = snakeMap[headerIndex].x;
newHeaderPreY = snakeMap[headerIndex].y;
snakeMap[headerIndex].x = newHeaderX;
snakeMap[headerIndex].y = newHeaderY;
globalMap[newHeaderX][newHeaderY].index = headerIndex;
snakeMap[newHeaderPreIndex].x = newHeaderPreX;
snakeMap[newHeaderPreIndex].y = newHeaderPreY;
globalMap[newHeaderPreX][newHeaderPreY].index = newHeaderPreIndex;
//新蛇头以前的类型
newHeaderPreType = globalMap[newHeaderX][newHeaderY].type;
//设置新蛇头类型
globalMap[newHeaderX][newHeaderY].type = charSnake.type;
// 判断是否出界或撞到自己
if (newHeaderPreType == charBorder.type || newHeaderPreType == charSnake.type){
die();
}
//输出新蛇头
setPosition(newHeaderX, newHeaderY);
setColor(charSnake.color);
printf("%s", charSnake.ch);
//判断是否吃到食物
if (newHeaderPreType == charFood.type){ //吃到食物
createFood();
//更改分数
setPosition(scoresPostion.x, scoresPostion.y);
printf("%d", ++scores);
}
else{
//老蛇尾坐标
oldTailX = snakeMap[tailIndex].x;
oldTailY = snakeMap[tailIndex].y;
//删除蛇尾
setPosition(oldTailX, oldTailY);
setColor(charBg.color);
printf("%s", charBg.ch);
globalMap[oldTailX][oldTailY].type = charBg.type;
tailIndex = (tailIndex == 0) ? snakeMapLen - 1 : tailIndex - 1;
}
}
//下次移动的方向
char nextDirection(char ch, char directionOld){
int sum = ch + directionOld;
ch = tolower(ch);
if ((ch == 'w' || ch == 'a' || ch == 's' || ch == 'd') && sum != 197 && sum != 234){
return ch;
}
else{
return directionOld;
}
}
//暂停
char pause(){
return _getch();
}
// 初始化
void init(){
// 设置相关变量
int x, y, index;
int xCenter = MAXHEIGHT % 2 == 0 ? MAXHEIGHT / 2 : MAXHEIGHT / 2 + 1;
int yCenter = MAXWIDTH % 2 == 0 ? MAXWIDTH / 2 : MAXWIDTH / 2 + 1;
CONSOLE_CURSOR_INFO cci; //控制台光标信息
//判断相关设置是否合理
if (MAXWIDTH<16){
printf("'MAXWIDTH' is too small!");
_getch();
exit(0);
}
//设置窗口大小
system("mode con: cols=96 lines=32");
//隐藏光标
hStdin = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleCursorInfo(hStdin, &cci);
cci.bVisible = 0;
SetConsoleCursorInfo(hStdin, &cci);
//打印背景
for (x = 0; x<MAXHEIGHT; x++){
for (y = 0; y<MAXWIDTH; y++){
if (y == 0 || y == MAXWIDTH - 1 || x == 0 || x == MAXHEIGHT - 1){
globalMap[x][y].type = charBorder.type;
setColor(charBorder.color);
printf("%s", charBorder.ch);
}
else{
index = (x - 1)*(MAXWIDTH - 2) + (y - 1);
snakeMap[index].x = x;
snakeMap[index].y = y;
globalMap[x][y].type = charBg.type;
globalMap[x][y].index = index;
setColor(charBg.color);
printf("%s", charBg.ch);
}
}
printf("\n");
}
//初始化贪吃蛇
globalMap[xCenter][yCenter - 1].type = globalMap[xCenter][yCenter].type = globalMap[xCenter][yCenter + 1].type = charSnake.type;
headerIndex = (xCenter - 1)*(MAXWIDTH - 2) + (yCenter - 1) - 1;
tailIndex = headerIndex + 2;
setPosition(xCenter, yCenter - 1);
setColor(charSnake.color);
for (y = yCenter - 1; y <= yCenter + 1; y++){
printf("%s", charSnake.ch);
}
//生成食物
createFood();
//设置程序信息
setPosition(xCenter - 1, MAXWIDTH + 2);
printf(" 得分 : 0");
setPosition(xCenter, MAXWIDTH + 2);
scoresPostion.x = xCenter - 1;
scoresPostion.y = MAXWIDTH + 8;
}
int main(){
char charInput, direction = 'a';
init();
charInput = tolower(_getch());
direction = nextDirection(charInput, direction);
while (1){
if (_kbhit()){
charInput = tolower(_getch());
if (charInput == ' '){
charInput = pause();
}
direction = nextDirection(charInput, direction);
}
move(direction);
Sleep(500);
}
_getch();
return 0;
}
