說明
根據網上別人的代碼經過改編在大一計算機實訓時寫的,其中較難理解的應該是句柄,需要自己網上查找資料
代碼及註釋
#include<stdio.h>
#include<conio.h>
#include<windows.h>
#include<time.h>
#define framex 5
#define framey 5
#define wide 20
#define high 20
int i,j,a[2];
//將光標移動到指定位置
void gotoxy(HANDLE hout,int x,int y){
//COORD是WindowsAPI中定義的一種結構,表示一個字符在控制檯屏幕上的座標
COORD pos;
pos.X=x;
pos.Y=y;
//SetConsoleCursorPosition是API中定位光標位置的函數。
SetConsoleCursorPosition(hout,pos);
}
//遊戲封面
void cover (HANDLE hout){
gotoxy(hout,framex+wide,framey);
printf("歡迎使用貪喫蛇遊戲1.2");
gotoxy(hout,framex+wide,framey+5);
printf("開始遊戲前請關閉中文輸入法");
gotoxy(hout,framex+wide*2,framey+20);
printf( "遊戲製作者:Lin");
gotoxy(hout,framex+wide*2,framey+22);
printf("製作時間:2016年12月");
char a;
a=getchar();
system("cls");
}
//定義蛇的結構體
struct Snake{
int x[100];
int y[100];
int speed;
int length;
int count;
};
//定義食物的結構體
struct Food{
int x;
int y;
};
//製作框架
void makeframe(struct Snake snake){
//定義顯示器變量句柄
HANDLE hout=GetStdHandle(STD_OUTPUT_HANDLE);
gotoxy(hout,framex+wide*2+5,framey);
printf( " 貪喫蛇遊戲");
gotoxy(hout,framex+wide*2+5,framey+3);
printf("使用方向鍵或wasd移動");
gotoxy(hout,framex+wide*2+5,framey+5);
printf("長按方向鍵可加速");
gotoxy(hout,framex+wide*2+5,framey+7);
printf("按任意鍵暫停,方向鍵繼續");
//打印上邊框
for(i=0;i<wide*2+1;i++){
gotoxy(hout,framex+i,framey);
printf("*");
}
//打印下邊框
for(i=0;i<wide*2+2;i++){
gotoxy(hout,framex+i,framey+high);
printf("*");
}
//打印左邊框
for(i=0;i<high;i++){
gotoxy(hout,framex,framey+i);
printf("*");
}
//打印右邊框
for(i=0;i<high;i++){
gotoxy(hout,framex+wide*2+1,framey+i);
printf("*");
}
}
//遊戲信息
void infor(HANDLE hout,struct Snake* snake){
gotoxy(hout,framex+wide*2+5,framey+15);
printf("當前速度:%d",-snake->speed+500);
gotoxy(hout,framex+wide*2+5,framey+17);
printf("當前得分:%d",snake->count);
gotoxy(hout,framex+wide*2+5,framey+19);
printf("當前長度:%d",snake->length);
}
//初始化蛇
void initsnake(struct Snake *snake){
snake->x[0]=framex+2;
snake->y[0]=framey+high/2;
snake->count=0;
snake->length=3;
snake->speed=400;
//初始化由蛇尾至蛇頭的座標
for(i=1;i<snake->length;i++){
snake->x[i]=snake->x[i-1]+1;
snake->y[i]=snake->y[i-1];
}
}
//打印蛇
void printsnake(HANDLE hout ,struct Snake *snake){
for(i=0;i<snake->length;i++){
gotoxy(hout,snake->x[i],snake->y[i]);
if(i==snake->length-1)
printf("頭");
else if(i==0)
printf("尾");
else
printf("身");
}
}
//移動蛇
void movesnake(HANDLE hout,struct Snake *snake){
gotoxy(hout,snake->x[0],snake->y[0]);
//清除蛇尾
printf(" ");
//蛇的後一節座標變成前一節的座標
for(i=1;i<snake->length;i++){
snake->x[i-1]=snake->x[i];
snake->y[i-1]=snake->y[i];
}
}
//打印食物
void printfood (HANDLE hout,struct Snake *snake,struct Food* food){
//用計算機時間獲取隨機值
srand((unsigned)time(NULL));
while(1){
//將食物的橫縱座標的大小限定在窗口大小內
food->x=rand()%(wide-2)+1;
food->y=rand()%(high-2)+1;
//避免食物出現在邊框上
if(food->x==0&&food->y==0)
continue;
//將食物的座標放置在窗口內
food->x=2*food->x+framex;
food->y+=framey;
//如果食物出現在蛇上,重新產生食物
for(i=0;i<snake->length;i++){
if(food->x==snake->x[i]&&food->y==snake->y[i])
break;
}
//食物不在蛇上,打印食物,結束循環
if(i==snake->length){
gotoxy(hout,food->x,food->y);
printf("食");
break;
}
}
}
//喫食物
void eatfood(HANDLE hout,struct Snake * snake,struct Food *food){
//如果蛇頭的座標等於食物的座標
if(snake->x[snake->length-1]==food->x&&snake->y[snake->length-1]==food->y){
//蛇長加一
snake->length++;
//蛇身(不包括蛇尾)整體像前移動一格
for(i=snake->length-1;i>0;i--){
snake->x[i]=snake->x[i-1];
snake->y[i]=snake->y[i-1];
}
//得到蛇尾的座標(即蛇移動前的蛇尾座標)
snake->x[0]=a[0];
snake->y[0]=a[1];
printfood(hout,snake,food);
snake->count++;
if(snake->count%3==0)
snake->speed-=50;
}
}
//死亡判斷
int ifdead(struct Snake* snake){
//如果碰到左邊界 返回0;
if(snake->x[snake->length-1]==framex)
return 0;
//如果碰到右邊界 返回0;
if(snake->x[snake->length-1]==framex+wide*2)
return 0;
//如果碰到上邊界 返回0;
if(snake->y[snake->length-1]==framey)
return 0;
//如果碰到下邊界 返回0;
if(snake->y[snake->length-1]==framey+high)
return 0;
//如果碰到自己身體 返回0;
for(i=0; i<snake->length-1; i++)
if( snake->x[snake->length-1]==snake->x[i] && snake->y[snake->length-1]==snake->y[i] )
return 0;
//否則返回1;
return 1;
}
//開始遊戲
int main(){
unsigned char ch =77;
//定義顯示器句柄
HANDLE hout = GetStdHandle(STD_OUTPUT_HANDLE);
cover(hout);
struct Snake s, *snake=&s;
struct Food f, *food=&f;
makeframe(*snake);
initsnake(snake);
printfood(hout,snake,food);
Sleep(500);
while(1){
infor(hout,snake);
//保存蛇尾橫縱座標
a[0]=snake->x[0];
a[1]=snake->y[0];
j=0;
//如果用戶敲擊鍵盤
if(kbhit()){
//用ch接收輸入 ,注意是getch(),不需敲擊回車
ch=getch();
if(kbhit()){
//長按時間
Sleep(20);
j=1;
}
}
switch(ch){
//向上移動
case'W':
case 'w' :
case 72:{
movesnake(hout,snake);
//蛇頭縱座標減一
snake->y[snake->length-1]-=1;
break;
}
//向下移動
case'S':
case 's':
case 80:{
movesnake(hout,snake);
//蛇頭縱座標加一
snake->y[snake->length-1]+=1;
break;
}
//向左移動
case'A':
case 'a':
case 75:{
movesnake(hout,snake);
//蛇頭橫座標減二
snake->x[snake->length-1]-=2;
break;
}
//向右移動
case'D':
case 'd':
case 77:{
movesnake(hout,snake);
//蛇頭橫座標加二
snake->x[snake->length-1]+=2;
break;
}
}
eatfood(hout,snake,food);
printsnake(hout,snake);
//如果判斷蛇死亡,跳出循環
if(ifdead(snake)==0||ch==27||snake->speed==0){
gotoxy(hout,framex+wide/2,framey-2);
if(snake->speed==0)
printf("恭喜你通關了!!!");
else
printf("糟糕 T_T");
break;
}
if(j==0)
//如果沒有長按,蛇滯留的時間爲
Sleep(snake->speed);
//如果長按,蛇滯留的時間爲 20ms,即加速
else
Sleep(20);
}
//跳出循環時 ,滯留死亡場景一段時間
Sleep(3000);
//清屏
system("cls");
//顯示結束界面
if(snake->speed==0)
printf("\n\n\n\n\n\t\t\t哈哈,你贏了\n\n\t\t\t你得到了滿分:24\n\n\n");
else
printf("\n\n\n\n\n\t\t\t哈哈,你輸了\n\n\t\t\t你的最終得分是:%d\n\n\n",snake->count);
Sleep(3000);
return 0;
}