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| #include<iostream>
#include<ctime>
#include<conio.h> //используем _getch(),чтобы не использовать enter для ввода
#include<Windows.h> //чтобы экран меньше мерцал. system("cls") - плохое решение
using namespace std;
class Game {
struct snake {
int y;
int x;
char c;
snake* next;
};
int a, b;
int length;
char check;
char r, l, u, d;
char s;
char field[30][30];
snake* top, * end,*p;
public:
Game() {
//snake* top, * end;
length = 2;
s = '*';
r = '>'; l = '<'; u = '^'; d = 'v';
create_snake(top,end);
push(top->y, top->x-1,r);
empty_field();
star();
show();
}
void gotoxy();
void star();
void empty_field();
void show();
void move_right();
void move_left();
void move_up();
void move_down();
void create_snake(snake*& top, snake*& end);
bool is_Member(snake* top, int y, int x);
bool empty_snake(snake* top);
void push( int y, int x,char c);
snake* find_address(snake* top, int y, int x) {
p = top;
while (p && (p->x) != x && (p->y) != y)
p = p->next;
return p;
}
};
void Game::star() {
do {
a = rand() % 29;
b = rand() % 29;
check = field[a][b];
} while (check != ' ');
field[a][b] = s;
}
void Game::empty_field() { //создаёт пустое поле
for (int i = 0; i < 30; i++) {
for (int j = 0; j < 30; j++) {
if (field[i][j] != s)field[i][j] = ' ';
}
}
for (int i = 0; i < 30; i++) {
field[i][0] = '|';
field[i][29] = '|';
}
for (int i = 0; i < 30; i++) {
field[0][i] = '_';
field[29][i] = '-';
}
}
void Game::show() {
/*for (int i = 0; i < 30; i++) {
for (int j = 0; j < 30; j++) {
if (field[i][j] != '-' && field[i][j] != '_' && field[i][j] != '|') {
if (i == top->y && j == top->x)
{ field[i][j] = top->c; top->next; cout << field[i][j];}
else {if (field[i][j] != '*') { cout << field[i][j]; }
else { cout << field[i][j]; }
}} else{ cout << field[i][j]; }
}
cout << "\n";
}*/
gotoxy();
empty_field();
p=top;
for (int i = 0; i < length; i++) {
field[p->y][p->x] = p->c;p=p->next;
}
for (int i = 0; i < 30; i++) {
for (int j = 0; j < 30; j++) {
cout << field[i][j];
}
cout << "\n";
}
}
void Game::move_right(){
p = top;
if (field[p->y][p->x + 1] == '*') {
if (end->c == '>'){push(end->y, end->x-1, '>'); length++; star();}
if (end->c == '<'){push(end->y, end->x+1, '<'); length++; star();}
if (end->c == '^'){push(end->y+1, end->x, '^'); length++; star();}
if (end->c == 'v'){push(end->y-1, end->x, 'v'); length++; star();}
}
p = top;
for (int i = 0; i < length; i++) {
if (p == top) { p->x = p->x + 1; p=p->next; }
else { if (p->c == 'v') { p->y = p->y + 1;if(p->y==top->y)p->c='>'; p=p->next; }else{
if (p->c == '^') { p->y = p->y - 1;if(p->y==top->y)p->c='>'; p=p->next; }else{
if (p->c == '>') { p->x = p->x + 1; p=p->next; }
}
}
}
}
show();
}
void Game::move_left(){
p = top;
if (field[p->y][p->x - 1] == '*') {
if (end->c == '>'){push(end->y, end->x-1, '>'); length++; star();}
if (end->c == '<'){push(end->y, end->x+1, '<'); length++; star();}
if (end->c == '^'){push(end->y+1, end->x, '^'); length++; star();}
if (end->c == 'v'){push(end->y-1, end->x, 'v'); length++; star();}
}
p = top;
for (int i = 0; i < length; i++) {
if (p == top) { p->x = p->x - 1; p=p->next; }
else { if (p->c == 'v') { p->y = p->y + 1;if(p->y==top->y)p->c='<'; p=p->next; }else{
if (p->c == '^') { p->y = p->y - 1;if(p->y==top->y)p->c='<'; p=p->next; }else{
if (p->c == '<') { p->x = p->x - 1; p=p->next; }
}
}
}
}
show();
}
void Game::move_up(){
p = top;
if (field[p->y - 1][p->x] == '*') {
if (end->c == '>'){push(end->y, end->x-1, '>'); length++; star();}
if (end->c == '<'){push(end->y, end->x+1, '<'); length++; star();}
if (end->c == '^'){push(end->y+1, end->x, '^'); length++; star();}
if (end->c == 'v'){push(end->y-1, end->x, 'v'); length++; star();}
}
p = top;
for (int i = 0; i < length; i++) {
if (p == top) { p->y = p->y - 1; p=p->next; }
else { if (p->c == '>') { p->x = p->x + 1;if(p->x==top->x)p->c='^'; p=p->next; }else{
if (p->c == '<') { p->x = p->x - 1;if(p->x==top->x)p->c='^'; p=p->next; }else{
if (p->c == '^') { p->y = p->y - 1; p=p->next; }
}
}
}
}
show();
}
void Game::move_down(){
p = top;
if (field[p->y + 1][p->x] == '*') {
if (end->c == '>') { push(end->y, end->x - 1, '>'); length++; star();}
if (end->c == '<') { push(end->y, end->x + 1, '<'); length++; star();}
if (end->c == '^') { push(end->y + 1, end->x, '^'); length++; star();}
if (end->c == 'v') { push(end->y - 1, end->x, 'v'); length++; star();}
}
p = top;
for (int i = 0; i < length; i++) {
if (p == top) { p->y = p->y + 1; p=p->next; }
else { if (p->c == '>') { p->x = p->x + 1;if(p->x==top->x)p->c='v'; p=p->next; }else{
if (p->c == '<') { p->x = p->x - 1;if(p->x==top->x)p->c='v'; p=p->next; }else{
//if (p->c == '^') { p->y = p->y - 1;/*if(p->x+1==)p->c='>';*/ p=p->next; }else{
if (p->c == 'v') { p->y = p->y + 1; p=p->next; }
}
}
}
}
show();
}
void Game:: create_snake(snake*& top, snake*& end)
{
char c = 'o';
int x = 15;
int y = 15;
top = NULL;
end = NULL;
if (!is_Member(top, y, x)) push(y, x, c);
}
bool Game:: is_Member(snake* top, int y, int x)
{
if (find_address(top, y, x)) return true; else return false;
}
bool Game:: empty_snake(snake* top){return top == NULL;}
void Game::push( int y, int x,char c)
{
p = new snake;
p->x = x;
p->y = y;
p->c = c;
p->next = NULL;
if (empty_snake(top))
{
top = p;
end = p;
}
else
{
end->next = p;
end = p;
}
}
void Game::gotoxy()// служит для стирания поля
{
COORD coord;
coord.X = 0;
coord.Y = 0;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}
void how2timer(int ms) {//аналог sleep
int CLOCKS_PER_MSEC = CLOCKS_PER_SEC / 1000; /// новая константа
clock_t end_time = clock() + ms * CLOCKS_PER_MSEC; // время завершения
while ((clock() < end_time)) {} // цикл ожидания времени
}
void Cursor() { //убирает мерцание курсора консоли
CONSOLE_CURSOR_INFO curs = { 0 };
curs.dwSize = sizeof(curs);
curs.bVisible = FALSE;
::SetConsoleCursorInfo(::GetStdHandle(STD_OUTPUT_HANDLE), &curs);
}
int main() {
setlocale(LC_ALL, "Ru");
srand(time(0)); //для рандомной *
Cursor();//убирает мерцание курсора консоли
bool t = true; //для бесконечного цикла
char x;
char mem_x = 'w'; //запоминание клавиши
Game s;
while (t) {
//автоматическое движение змеи
while (1) {
int waitSecond = 1;
if (_kbhit())
{
x = _getch();
break;
}
how2timer(200);
--waitSecond;
if (waitSecond == 0) {
x = mem_x;
break;
}
}
switch (x) {
case 'w':if (mem_x != 's') { mem_x = 'w'; s.move_up(); }
else { cout << "error!"; }
break;
case 'd':if (mem_x != 'a') { mem_x = 'd'; s.move_right(); }
else { cout << "error!"; }
break;
case 'a':if (mem_x != 'd') { mem_x = 'a'; s.move_left(); }
else { cout << "error!"; }
break;
case 's':if (mem_x != 'w') { mem_x = 's'; s.move_down(); }
else { cout << "error!"; }
break;
}
}
} |
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