C++ 弹幕游戏

since C++98，系统要求 Windows .

#include <cmath>
#include <cstdio>
#include <conio.h>
#include <cstdlib>
#include <windows.h>
using namespace std;
const int hs = 28, vs = 65;
const double pi = 3.1415926, sx = 14, sy = 17;
char ed[hs];
char sqr[hs][vs];
void *bin = NULL;
struct nol_bul
{
	nol_bul *last, *next;
	double x, y, dx, dy;

	bool move()
	{
		this->x += this->dx;
		this->y += this->dy;
		int ix = (int)this->x, iy = (int)(this->y * 2 + 0.5);
		if (ix >= hs || ix < 0 || iy >= vs || iy < 0)
		{
			(*(this->last)).next = (this->next);
			if (this->next != NULL)
				(*(this->next)).last = this->last;
			return true;
		}
		if (iy > ed[ix])
			ed[ix] = iy;
		sqr[ix][iy] = '.';
		return false;
	}
};

struct player
{
	int x, y;

	void move()
	{
		int in = 0;
		while (_kbhit())
		{
			in = _getch();
			if (in == 72)
				this->x--;
			else if (in == 80)
				this->x++;
			else if (in == 75)
				this->y--;
			else if (in == 77)
				this->y++;
		}
		int tmp = this->y << 1;
		if (this->x >= hs)
			this->x = hs - 1;
		if (this->x < 0)
			this->x = 0;
		if (tmp >= vs)
			this->y = (vs >> 1) - 1;
		if (tmp < 0)
			this->y = 0;
		if (sqr[this->x][tmp] == '.')
		{
			Sleep(1200);
			exit(0);
		}
		if (tmp > ed[this->x])
			ed[this->x] = tmp;
		sqr[this->x][tmp] = '0';
		return;
	}
};

void put(nol_bul&, int);

int main()
{
	//初始化 
	for (int i = 0; i < hs; i++)
	{
		for (int j = 0; j < vs; j++)
			sqr[i][j] = ' ';
		ed[i] = -1;
	}
	int k = 5, a = 5, wait = 0;
	nol_bul emp;
	nol_bul *p = NULL, *net = NULL;
	emp.x = sx;
	emp.y = sy;
	emp.dx = emp.dy = 0;
	emp.last = emp.next = NULL;
	player sel;
	sel.x = hs - 2;
	sel.y = (int)sy;
	printf ("press to start");
	_getch();

	while (1)
	{
		system("cls");
		for (int i = 0; i < hs; i++)
		{
			for (int j = 0; j <= ed[i]; j++)
			{
				putchar(sqr[i][j]);
				sqr[i][j] = ' ';
			}
			putchar('\n');
			ed[i] = -1;
		}

		if (wait == 1)
		{
			k += 4;
			if (k >= 360)
				k -= 360;
			a += k;
			if (a >= 360)
				a -= 360;
			for (int i = 0; i < 360; i += 72)
				put(emp, a + i);
			wait = 0;
		}else
			wait = 1;
		p = &emp;
		while (p)
		{
			net = (*p).next;
			if ((*p).move())
				delete p;
			p = net;
		}
		sel.move();

		Sleep(10);
	}
	return 0;
}

void put(nol_bul &emp, int a)
{
	nol_bul *tmp = new nol_bul;
	(*tmp).last = &emp;
	(*tmp).next = emp.next;
	if (emp.next)
		(*(emp.next)).last = tmp;
	emp.next = tmp;
	(*tmp).x = sx;
	(*tmp).y = sy;
	(*tmp).dx = 0.7 * cos(a * pi / 180);
	(*tmp).dy = 0.7 * sin(a * pi / 180);
}