贪吃蛇—C语言

#include<stdio.h> #include<stdlib.h> #include<string.h> #include<conio.h> #include<windows.h> #include<time.h> #define UP 72 #define DOWN 80 //上下左右 #define LEFT 75 #define RIGHT 77 #define SPACE 32 #define ESC 27 #define KONG 0 #define WALL 1 #define FOOD 2 #define BODY 3 #define SIZE_X 23 //围墙尺寸大小 #define SIZE_Y 30 void gotoxy(int x,int y); //移动光标 void hidden_cursor(); //隐藏光标 int color(int c); //颜色 void inter_face(); //初始化界面 void init_snake(); //初始化蛇 void draw_snake(int x); //x=1画蛇 x=0空格 void rand_food(); //生成食物 void move_snake(int x,int y); //移动 void run(int x,int y,int *time_count);//运行 void pd(); //判断游戏结束，吃到食物 void game(); void MaxGrade();//最高纪录 int map[SIZE_X][SIZE_Y]; int speed=1000; int food; int grade=0; int max_grade=0; const int snake_color=11; const int wall_color=2; const int food_color=12; struct Snake //蛇 { int len; //长度 int x; int y; //蛇头坐标 }snake; struct Body //身体节点 { int x; int y; }; struct Body body[SIZE_X*SIZE_Y]; int main() { system("title 贪吃蛇"); system("cls"); system("mode con cols=84 lines=26"); //设置窗口尺寸 srand(time(NULL)); //随机数 hidden_cursor(); grade=0; MaxGrade(); inter_face(); init_snake(); rand_food(); draw_snake(1); game(); return 0; } /////////////////////////////////////////////////////// /////////////////////////////////////////////////////// void game() //移动控制 { int n=RIGHT,time_count=0,n_tmp; goto loop; while(1) { n=getch(); switch(n) { case UP: case DOWN: if(n_tmp!=LEFT && n_tmp!=RIGHT) n=n_tmp;break; case LEFT: case RIGHT: if(n_tmp!=UP && n_tmp!=DOWN) n=n_tmp;break; case 'r': case 'R': case SPACE: case ESC: break; default: n=n_tmp;break; //其他键无效 } loop: switch(n) { case UP:if(snake.x-1!=body[0].x) { run(-1,0,&time_count); n_tmp=UP; } break; case DOWN: if(snake.x+1!=body[0].x) { run(1,0,&time_count); n_tmp=DOWN; } break; case LEFT: if(snake.y-1!=body[0].y) { run(0,-1,&time_count); n_tmp=LEFT; } break; case RIGHT: if(snake.y+1!=body[0].y) { run(0,1,&time_count); n_tmp=RIGHT; } break; case SPACE: while(1) { if(kbhit!=0) break; } break; case ESC: gotoxy(SIZE_X+1,0); printf("按任意键退出游戏！"); getch(); exit(0); break; case 'r': case 'R': main();break; } } } void run(int x,int y,int *time_count) { int t=0; while(1) { if(*time_count==0) *time_count=speed; while(--(*time_count)) { if(t==0) t=50000; while(--t); if(kbhit()!=0) break; } if(*time_count==0) { move_snake(x,y); pd(); } else break; } } void pd()//判断是否撞墙或者撞到身体 { if(map[snake.x][snake.y]==WALL || map[snake.x][snake.y]==BODY) { char n; Sleep(2000); //延时 system("cls"); gotoxy(SIZE_X/2-2,2*(SIZE_Y/3)); if(grade>max_grade) printf("恭喜您打破记录，目前最高纪录为：%d",grade); else if(grade==max_grade) printf("与纪录持平，请突破你的极限！"); else printf("请继续努力，你与最高记录只差：%d",max_grade-grade); gotoxy(SIZE_X/2,2*(SIZE_Y/3)); printf("GAME OVER!\n"); MaxGrade(); do { gotoxy(SIZE_X/2+2,2*(SIZE_Y/3)); printf("是否重新开始游戏(y/n): "); scanf("%c",&n); gotoxy(SIZE_X/2+4,2*(SIZE_Y/3)); if(n!='n' && n!='N' && n!='y' && n!='Y') printf("输入错误，请重新输入!"); else break; }while(1); if(n=='n' || n=='N') { gotoxy(SIZE_X/2+4,2*(SIZE_Y/3)); printf("按任意键退出游戏！"); exit(0); } else if(n=='y' || n=='Y') main(); } else if(map[snake.x][snake.y]==FOOD) { snake.len++; grade+=100; if(speed>400) speed-=20; gotoxy(7,2*(SIZE_Y+2)); printf("分数: %d",grade); //更新显示分数 map[food/SIZE_Y][food%SIZE_Y]=KONG; //原本的食物位置设置为KONG rand_food(); } } void rand_food()//重新刷新食物 { do { food=rand()%(SIZE_X*SIZE_Y); }while(map[food/SIZE_Y][food%SIZE_Y]!=KONG); map[food/SIZE_Y][food%SIZE_Y]=FOOD; color(food_color); gotoxy(food/SIZE_Y,2*(food%SIZE_Y)); printf("★"); } void move_snake(int x,int y)//移动蛇时的赋值 { int i; draw_snake(0); //原来的位置画上空格 map[body[snake.len-1].x][body[snake.len-1].y]=KONG; //最后一节蛇尾设置为KONG map[snake.x][snake.y]=BODY; //原来的蛇头设置为BODY for(i=snake.len-1;i>0;i--) { body[i].x=body[i-1].x; body[i].y=body[i-1].y; } body[0].x=snake.x; body[0].y=snake.y; snake.x=snake.x+x; snake.y=snake.y+y; draw_snake(1); //画出新的蛇形 } void draw_snake(int x)//打印蛇 { int i; if(x!=0) { color(snake_color); gotoxy(snake.x,2*snake.y); printf("■"); for(i=0;i<snake.len;i++) { gotoxy(body[i].x,2*body[i].y); printf("□"); } } else { if(body[snake.len-1].x!=0) { gotoxy(body[snake.len-1].x,2*body[snake.len-1].y); printf(" "); } } } void inter_face()//界面 { int i,j; for(i=0;i<SIZE_X;i++) { for(j=0;j<SIZE_Y+12;j++) { if(i==0 || j==0 || i==SIZE_X-1 || j==SIZE_Y-1 || j==SIZE_Y+11) { color(wall_color); gotoxy(i,2*j); printf("■"); map[i][j]=WALL; } else if((i==SIZE_X/3 || i==SIZE_X*2/3) && j>SIZE_Y/3 && j<SIZE_Y*2/3) { gotoxy(i,2*j); printf("■"); map[i][j]=WALL; } else { gotoxy(i,2*j); printf(" "); map[i][j]=KONG; } } printf("\n"); } color(snake_color); gotoxy(5,2*(SIZE_Y+2)); printf("最高纪录: %d",max_grade); gotoxy(7,2*(SIZE_Y+2)); printf("分数: %d",grade); gotoxy(9,2*(SIZE_Y+2)); printf("重新开始: R"); gotoxy(11,2*(SIZE_Y+2)); printf("暂停: space"); gotoxy(13,2*(SIZE_Y+2)); printf("退出游戏: ESC"); } void init_snake()//初始化蛇 { snake.len=2; snake.x=SIZE_X/2; snake.y=SIZE_Y/2; body[0].x=SIZE_X/2; body[0].y=SIZE_Y/2-1; body[1].x=SIZE_X/2; body[1].y=SIZE_Y/2-2; map[body[0].x][body[0].y]=BODY; map[body[1].x][body[1].y]=BODY; } void MaxGrade()//最高记录 { FILE *fp; fp=fopen("贪吃蛇最高记录.txt","r+"); if(fp==NULL) { fp=fopen("贪吃蛇最高记录.txt","w+"); fwrite(&max_grade,sizeof(int),1,fp); } fseek(fp,0,SEEK_SET); fread(&max_grade,sizeof(int),1,fp); fseek(fp,0,SEEK_SET); if(max_grade<grade) { fwrite(&grade,sizeof(int),1,fp); } } void gotoxy(int x,int y) //移动坐标 { COORD coord; coord.X=y; coord.Y=x; SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord); } /////////////////////////////////////////////////////// /////////////////////////////////////////////////////// void hidden_cursor()//隐藏光标 { HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); CONSOLE_CURSOR_INFO cci; GetConsoleCursorInfo(hOut,&cci); cci.bVisible=0;//赋1为显示，赋0为隐藏 SetConsoleCursorInfo(hOut,&cci); } int color(int c)//设置颜色 { SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c); return 0; }