main()
{
int gdriver=DETECT,gmode;
initgraph(&gdriver,&gmode,"");
speed=Speed();/*将函数返回值赋给speed*/
cleardevice();/*清屏*/
dwall();/*开始画墙*/
Play();/*开始完游戏*/
getch();
closegraph();/*退出图形界面*/
}
void choose_level()
{
char choice;
int start_game = 0;
while (!start_game) {
gotoxy(10, 10);
printf("Welcome to Snake Game\n");
gotoxy(11, 10);
printf("0. continue from last time\n");
gotoxy(12, 10);
printf("1. choose level 1\n");
gotoxy(13, 10);
printf("2. choose level 2\n");
gotoxy(14, 10);
printf("3. choose level 3\n");
gotoxy(15, 10);
printf("4. Show top scores\n");
gotoxy(16, 10);
printf("Please choose 0-4:");
choice = _getch();
level = choice - 48;
if (level< 0 || level > 4) {
gotoxy(7, 10);
printf("Wrong choice, Try again");
}
else if (level == 4) {
show_top_scores();
}
else {
start_game = 1;
}
}
if (level == 0) {
level = saved_level;
}
//else {
//level = choice - '0';
//}
system("cls");
switch (level) {
case 1:
dwall();
dwall1();
speed = 200;
break;
case 2:
dwall();
dwall1();
dwall2();
speed = 150;
break;
case 3:
dwall();
dwall1();
dwall2();
dwall3();
speed = 100;
break;
}
return;
}
