基于c语言在linux下贪吃蛇项目

#include "graphics.h" #include <locale.h> #include <stdlib.h> #include <stdio.h> #include <fcntl.h> #include <unistd.h> #include <time.h> #include <sys/time.h> #include <signal.h> WINDOW * g_win=NULL; GRAPHICS_COLOR g_fore_color=GCCyan;//默认的前景颜色 GRAPHICS_COLOR g_back_color=GCRed;//默认背景颜色 int g_style=A_BOLD; #define CURRENT_ATTRIBUTE C_ATTR(g_style, g_fore_color, g_back_color) int readkey() { int n, flags; int ch=getc(stdin); if(ch==27) { flags=fcntl(STDIN_FILENO, F_GETFL, 0); fcntl(STDIN_FILENO, F_SETFL, flags|O_NONBLOCK); ch=getc(stdin); if(ch==91) { ch=getc(stdin); switch(ch) { case 'D': ch=KEYLEFT; break; case 'C': ch=KEYRIGHT; break; case 'B': ch=KEYDOWN; break; case 'A': ch=KEYUP; break; default: ch=0; } } else { ch=27; } fcntl(STDIN_FILENO, F_SETFL, flags); } return ch; } GRAPHICS_COLOR get_fore_color() { return g_fore_color; } //设置前景颜色 void set_fore_color(GRAPHICS_COLOR color) { g_fore_color=color; } //设置背景颜色 void set_back_color(GRAPHICS_COLOR color) { g_back_color=color; } void update_attribute(void) { wattrset(g_win, CURRENT_ATTRIBUTE); } void clear_screen(int x, int y, int w, int h) { int i, j; wattrset(g_win, CURRENT_ATTRIBUTE); for(i=0; i<h; i++) { wmove(g_win, i+y, x); for(j=0; j<w; j++) { waddch(g_win, ' '); } } touchwin(g_win); wnoutrefresh(g_win); } bool init_graphics(void) { setlocale(LC_ALL, ""); g_win=initscr(); if(g_win==NULL) { printf("call initscr() failed!\n"); return false; } cbreak(); noecho(); if(has_colors()) { int i,j,k; start_color(); for(i=0, k=0; i<GCCount; i++) { for(j=0; j<GCCount; j++) { init_pair(++k, i, j); } } } curs_set(0); return true; } //绘制地图 /** 在graphics.h 中 #define START_X 5 #define START_Y 5 */ void snake_draw_map(void) { set_fore_color(GCWhite);//设置前景颜色 update_attribute(); //1.将光标移动起始坐标 wmove(g_win,5,5); //2.在当前光标的位置绘制符号 waddstr(g_win,TLC_FRAME); //3.刷新窗口 wrefresh(g_win); } void snake_init_game(void) { set_back_color(GCBlack);//修改成黑色 update_attribute();//更新属性 clear_screen(0,0,COLS,LINES);//清屏 wrefresh(g_win); //刷新窗口 signal(SIGALRM,snake_update);//指定定时器处理函数 snake_set_ticker(500);//设置定时时间为 500ms srand(time(NULL));//设置随机数的种子 food.dx = rand() % (HIGHT - START_X - 2) + START_X + 1; food.dy = rand() % (WIDTH - START_Y - 2) + START_Y + 1; snake_draw_food(food.dx,food.dy);//绘制第一个食物 } //定时器处理函数 void snake_update(int sig) { //随机食物的位置.包括 x 坐标与 y 坐标 /** HIGHT = 30 WIDTH = 100 START_X = 5 START_Y = 5 食物的x坐标的随机范围 [6,29] 食物的y坐标的随机范围 [6,99] */ } //在(x,y)坐标位置绘制食物 void snake_draw_food(int x,int y) { set_fore_color(GCYellow);//设置前景颜色 update_attribute();//更新属性 wmove(g_win,x,y);//将光标移动到(x,y)位置 waddstr(g_win,FOOD);//在光标所在的位置打印 FOOD wrefresh(g_win);//刷新窗口 } int snake_set_ticker(int n_msecs) { struct itimerval new_timeset; long n_sec, n_usecs; n_sec = n_msecs / 1000 ; n_usecs = ( n_msecs % 1000 ) * 1000L ; new_timeset.it_interval.tv_sec = n_sec; new_timeset.it_interval.tv_usec = n_usecs; n_msecs = 1; n_sec = n_msecs / 1000 ; n_usecs = ( n_msecs % 1000 ) * 1000L ; new_timeset.it_value.tv_sec = n_sec ; new_timeset.it_value.tv_usec = n_usecs ; return setitimer(ITIMER_REAL, &new_timeset, NULL); } void exit_graphics(void) { endwin(); }