射击游戏
2020-6-16 ~ 2021-2-21
(2)
前言
这是一篇射击类小游戏的代码。第一次写的小程序，请多包涵里面的不足。如有高见，敬请指出。
效果图
游戏说明
设计一个base类，包含基本属性。电脑和玩家类都继承自base类。还有一个子弹类。主要有三个函数，ini，show，game，分别用来初始化，显示菜单和进行游戏，功能挤在一起。
运行游戏时，用随机数产生随机种类的敌人。WASD移动，鼠标左键射击。玩家没击败一个敌人后，就会加一个得分。随着玩家得分的升高，敌人的产生概率和属性都会提升。当玩家生命值小于等于0时，此局游戏结束。结算时会根据玩家的得分获得金币，数值上等于玩家的得分，用于升级玩家的属性，且升级会很快。
/////////////////////////////////////////////////////////////
//程序名称：射击游戏
//编译环境：Visual Studio 2019，EasyX_20200520(beta)
//作 者：1024 <1977309465@qq.com>
//最后修改：2020年6月16日
//
//头文件
#include<iostream>
#include<graphics.h>
#include<conio.h>
#include<mmsystem.h>
#include<stdlib.h>
#include<vector>
#include<deque>
#include<ctime>
#include<math.h>
#pragma comment(lib,"winmm.lib")
//用到的常数
const double pi = acos(-1);
const double gen2 = sqrt(2);
//游戏场地信息
constexpr int area = 40;
constexpr int size = 16;
MOUSEMSG m;
//outtextxy输出字符串
wchar_t str[128];
//记录资金
int money = 0;
//记录属性
int hp = 12;
int hplevel = 1;
int speed = 3;
int speedlevel = 1;
int cd = 3;
//攻击力太难计算，所以放在可选的位置上
//int attack = 2;
//int attacklevel = 1;
COLORREF little = GREEN, normal = YELLOW, huge = MAGENTA, tank = BROWN, exploder = RED;//基本信息
/* 属性
移动速度 速 中 低 慢 快
生命值 低 中 高 高 低 */
//玩家与电脑的基类
class basic
{
public:
int x;
int y;
int hp;
int speed;
int r;
COLORREF color;
};
//玩家类
class player :public basic
{
public:
player(int h, int s)
{
hp = h;
speed = s;
color = BLUE;
r = int(round(size / 1.5));
x = area * size / 2;
y = area * size / 2;
}
};
//电脑类
class ai :public basic
{
public:
ai(int posx, int posy, int h, int s, int r, COLORREF c)
{
x = posx;
y = posy;
hp = h;
speed = s;
this->r = r;
color = c;
}
};
class death
{
public:
int x;
int y;
int r;
int time;
COLORREF color;
death(int posx, int posy, int r, COLORREF c)
{
x = posx;
y = posy;
this->r = r;
time = 10;
color = c;
}
};
//子弹类
class bullet
{
public:
int x;
int y;
int time;
int dx;
int dy;
bullet(int posx, int posy, int t, int speedx, int speedy)
{
x = posx;
y = posy;
time = t;
dx = speedx;
dy = speedy;
}
};
//函数列表
void init();
void show();
void game();
int main()
{
srand(int(time(0)));
initgraph(size * area, size * area);
BeginBatchDraw();//开启双缓冲
init();
show();
closegraph();
return 0;
}
void init()
{
setbkcolor(WHITE);
cleardevice();
setlinecolor(BLACK);
setfillcolor(0xff0000);
fillrectangle(area * size / 5 - size / 2, area * size / 6 - size / 2, area * size / 5 * 4 - size / 2, area * size / 6 * 2 - size / 2);
setfillcolor(0xff00);
fillrectangle(area * size / 5 - size / 4, area * size / 6 - size / 4, area * size / 5 * 4 - size / 4, area * size / 6 * 2 - size / 4);
setfillcolor(0xff);
fillrectangle(area * size / 5, area * size / 6, area * size / 5 * 4, area * size / 6 * 2);
setbkmode(TRANSPARENT);
settextstyle(area * size / 6, area * size / 20, L"华文宋体");
settextcolor(DARKGRAY);
outtextxy(area * size / 4 - size / 8, area * size / 6 - size / 8, L"射击游戏");
settextcolor(0xf02010);
outtextxy(area * size / 4, area * size / 6, L"射击游戏");
setfillcolor(YELLOW);
settextstyle(size * 3, size * 3 / 2, L"华文宋体");
fillrectangle(area * size / 5, area * size / 6 * 5 - 2 * size, area * size / 5 * 4, area * size / 6 * 5 + 2 * size);
outtextxy(area * size / 5 + size / 2, area * size / 6 * 5 - 2 * size, L"按任意键继续");
settextstyle(size, size / 4, L"华文宋体");
settextcolor(0xaa00ff);
outtextxy(area * size / 5 * 2, area * size / 10 * 9, L"Programming For VS2019 And EasyX");
settextcolor(0xeeaa33);
LOGFONT f;
gettextstyle(&f);
f.lfEscapement = 150;
f.lfOrientation = 150;
settextstyle(&f);
outtextxy(area * size / 3 * 2, area * size / 3 + size * 4, L"Version 0.1.2 By：ZZC1024");
f.lfEscapement = 0;
f.lfOrientation = 0;
settextstyle(&f);
FlushBatchDraw();
system("pause");
setlinecolor(WHITE);
for (int i = 0; i < area * size; i++)
{
line(0, i, area * size, i);
Sleep(1);
FlushBatchDraw();
}
setlinecolor(BLACK);
}
void show()
{
while (true)
{
//初始化菜单
constexpr int w = area * size;
constexpr int h = w / 30;
settextstyle(h, h / 3, L"楷书");
setbkcolor(WHITE);
cleardevice();
//显示玩家拥有的资金
setbkmode(OPAQUE);
setbkcolor(YELLOW);
settextcolor(BLACK);
wsprintf(str, L"金钱：%d", money);
outtextxy(h * 6, h, str);
setbkmode(TRANSPARENT);
//玩家属性控制
if (hplevel < 10)
{
if (m.x >= w / 5 && m.x <= w / 5 * 2 && m.y >= h * 3 && m.y <= h * 6)
{
setfillcolor(0xff0000);
}
else
{
setfillcolor(0xff);
}
fillrectangle(w / 5, h * 3, w / 5 * 2, h * 6);
wsprintf(str, L" 生命值：(%-2d/10)", hplevel);
outtextxy(w / 5, h * 3, str);
wsprintf(str, L"%-3d->%-3d cost:%-3d", hp, hp * 130 / 100, hplevel * hplevel + hplevel * 2);
outtextxy(w / 5, h * 5, str);
}
else
{
setfillcolor(0xff);
fillrectangle(w / 5, h * 3, w / 5 * 2, h * 6);
wsprintf(str, L" 生命值: (10/10)");
outtextxy(w / 5, h * 3, str);
wsprintf(str, L" Max:%d", hp);
outtextxy(w / 5, h * 5, str);
}
if (speedlevel < 6)
{
if (m.x >= w / 5 * 3 && m.x <= w / 5 * 4 && m.y >= h * 3 && m.y <= h * 6)
{
setfillcolor(0xff0000);
}
else
{
setfillcolor(0xff);
}
fillrectangle(w / 5 * 3, h * 3, w / 5 * 4, h * 6);
wsprintf(str, L" 速度值：(%-2d/6)", speedlevel);
outtextxy(w / 5 * 3, h * 3, str);
wsprintf(str, L"%-3d->%-3d cost:%-3d", speed, speed + 1, speedlevel * speedlevel * speedlevel * 9 / 10 + speedlevel);
outtextxy(w / 5 * 3, h * 5, str);
}
else
{
setfillcolor(0xff);
fillrectangle(w / 5 * 3, h * 3, w / 5 * 4, h * 6);
wsprintf(str, L" 速度值: (6/6)");
outtextxy(w / 5 * 3, h * 3, str);
wsprintf(str, L" Max:%d", speed);
outtextxy(w / 5 * 3, h * 5, str);
}
setfillcolor(0xff0000);
fillrectangle(w / 5 - size / 2, w / 3 - size / 2, area * size / 5 * 4 - size / 2, w / 2 - size / 2);
setfillcolor(0xff00);
fillrectangle(w / 5 - size / 4, w / 3 - size / 4, w / 5 * 4 - size / 4, w / 2 - size / 4);
setfillcolor(0xff);
fillrectangle(w / 5, w / 3, w / 5 * 4, w / 2);
setbkmode(TRANSPARENT);
settextstyle(area * size / 6, area * size / 20, L"楷体");
settextcolor(DARKGRAY);
outtextxy(area * size / 3 - size / 8, area * size / 3 - size / 8, L"射击游戏");
settextcolor(0xf02010);
outtextxy(area * size / 3, area * size / 3, L"射击游戏");
settextstyle(h, h / 3, L"楷书");
if (m.x >= area * size / 2 - 2 * h && m.x <= area * size / 2 + h && m.y >= area * size * 2 / 3 && m.y <= area * size * 2 / 3 + h)
setfillcolor(YELLOW);
else
setfillcolor(0x00ff00);
fillrectangle(w / 2 - 2 * h, w * 2 / 3, area * size / 2 + h , w * 2 / 3 + h);
outtextxy(w / 2 - 2 * h, w * 2 / 3, L"开始冒险");
if (m.x >= area * size / 2 - 2 * h && m.x <= area * size / 2 + 2 * h && m.y >= area * size * 3 / 4 && m.y <= area * size * 3 / 4 + h)
setfillcolor(YELLOW);
else
setfillcolor(0x00ff00);
fillrectangle(area * size / 2 - 2 * h, w * 3 / 4, area * size / 2 + h, w * 3 / 4 + h);
outtextxy(area * size / 2 - 2 * h, area * size / 4 * 3, L"结束游戏");
//以上内容均为菜单栏的初始化
FlushBatchDraw();
fflush(stdin);
FlushMouseMsgBuffer();
m = GetMouseMsg();
//一下内容是玩家选择功能
if (m.uMsg == WM_LBUTTONDOWN)
{
if (hplevel - 10 && money - hplevel * hplevel - hplevel * 2 >= 0 && m.x >= w / 5 && m.x <= w / 5 * 2 && m.y >= h * 3 && m.y <= h * 6)
{
hp = hp * 130 / 100;
money -= hplevel * hplevel + hplevel * 2;
hplevel++;
}
else if (speedlevel - 6 && money - (speedlevel * speedlevel * speedlevel * 9 / 10 + speedlevel) >= 0 && m.x >= w / 5 * 3 && m.x <= w / 5 * 4 && m.y >= h * 3 && m.y <= h * 6)
{
speed++;
money -= speedlevel * speedlevel * speedlevel * 9 / 10 + speedlevel;
speedlevel++;
}
else if (m.x >= area * size / 2 - 2 * h && m.x <= area * size / 2 + 2.5 * h && m.y >= area * size * 2 / 3 && m.y <= area * size * 2 / 3 + h)
{
game();
}
else if (m.x >= area * size / 2 - 2 * h && m.x <= area * size / 2 + 2 * h && m.y >= area * size * 3 / 4 && m.y <= area * size * 3 / 4 + h)
{
break;
}
}
}//end while
EndBatchDraw();
}
void game()
{
//初始化信息
player p(hp, speed);
std::vector<ai> a;
std::vector<bullet> b;
std::deque<death> d;
int score = 0;
int cd = 0;
while (true)
{
//清空画布
setbkcolor(WHITE);
cleardevice();
//玩家移动
if (GetKeyState('W') < 0 && GetKeyState('S') >= 0 && GetKeyState('A') < 0 && GetKeyState('D') >= 0)
{
p.y -= int(round(speed * size / 16 / gen2));
p.x -= int(round(speed * size / 16 / gen2));
}
else if (GetKeyState('W') < 0 && GetKeyState('S') >= 0 && GetKeyState('A') >= 0 && GetKeyState('D') < 0)
{
p.y -= int(round(speed * size / 16 / gen2));
p.x += int(round(speed * size / 16 / gen2));
}
else if (GetKeyState('W') >= 0 && GetKeyState('S') < 0 && GetKeyState('A') < 0 && GetKeyState('D') >= 0)
{
p.y += int(round(speed * size / 16 / gen2));
p.x -= int(round(speed * size / 16 / gen2));
}
else if (GetKeyState('W') >= 0 && GetKeyState('S') < 0 && GetKeyState('A') >= 0 && GetKeyState('D') < 0)
{
p.y += int(round(speed * size / 16 / gen2));
p.x += int(round(speed * size / 16 / gen2));
}
else if (GetKeyState('W') < 0 && GetKeyState('A') * GetKeyState('D') >= 0 && GetKeyState('S') >= 0)
{
p.y -= speed * size / 16;
}
else if (GetKeyState('S') < 0 && GetKeyState('A') * GetKeyState('D') >= 0 && GetKeyState('W') >= 0)
{
p.y += speed * size / 16;
}
else if (GetKeyState('A') < 0 && GetKeyState('W') * GetKeyState('S') >= 0 && GetKeyState('D') >= 0)
{
p.x -= speed * size / 16;
}
else if (GetKeyState('D') < 0 && GetKeyState('W') * GetKeyState('S') >= 0 && GetKeyState('A') >= 0)
{
p.x += speed * size / 16;
}
//修正坐标
if (p.x < 0)
p.x = 0;
else if (p.x > size * area)
p.x = size * area;
if (p.y < 0)
p.y = 0;
else if (p.y > area * size)
p.y = area * size;
//显示玩家
setfillcolor(p.color);
fillcircle(p.x, p.y, p.r);
//随机产生敌人
if (rand() % (2000 - score) < 150)//随着玩家的得分升高，敌人出现的可能性也会提升
{
//控制不同敌人出现的可能性
int choice = rand() % 10;
switch (choice)
{
case 0:
case 1:
case 2:
a.push_back(ai(rand() % area * size, -size, score / 75 + 1, score / 50 + 4, size / 2, little));
break;
case 3:
case 4:
case 5:
a.push_back(ai(rand() % area * size, -size, score / 75 + 2, score / 75 + 4, int(round(size / 1.5)), normal));
break;
case 6:
a.push_back(ai(rand() % area * size, -size, score / 75 + 3, score / 75 + 3, size, huge));
break;
case 7:
a.push_back(ai(rand() % area * size, -size, score / 50 + 4, score / 100 + 3, size, tank));
break;
case 8:
case 9:
a.push_back(ai(rand() % area * size, -size, 1, score / 30 + 4, size / 2, exploder));
break;
}
}
//玩家攻击
if (cd == 0)
if ((GetAsyncKeyState(VK_LBUTTON) & 0x8000) ? 1 : 0)
{
if (MouseHit())
m = GetMouseMsg();
FlushMouseMsgBuffer();
double radian = 0;
if (m.x == p.x)
{
if (m.y >= p.y)
{
radian = pi / 2;
}
else
{
radian = -pi / 2;
}
}
else
{
radian = atan((1.0 * m.y - 1.0 * p.y) / (1.0 * m.x - 1.0 * p.x));
if (m.x < p.x)
{
radian += pi;
}
}
//根据方向产生新的子弹对象
bullet tmpb(p.x, p.y, 15, int(round(size * cos(radian))), int(round(size * sin(radian))));
b.push_back(tmpb);
}
cd++;
if (cd == ::cd)
cd = 0;
//逐个判断子弹是否到最大距离或是否击中敌人
for (int i = 0; i < int(b.size()); i++)
{
b[i].x += b[i].dx;
b[i].y += b[i].dy;
b[i].time--;
if (b[i].time <= 0)
{
b.erase(b.begin() + i);
i--;
continue;
}
for (int j = 0; j < int(a.size()); j++)
{
int dx = b[i].x - a[j].x;
int dy = b[i].y - a[j].y;
int dis = size / 8 + a[j].r;
if (dx * dx + dy * dy <= dis * dis)
{
a[j].hp--;
if (a[j].hp <= 0)
{
death tmp(a[j].x, a[j].y, a[j].r, a[j].color);
d.push_back(tmp);
a.erase(a.begin() + j);
score++;
}
b.erase(b.begin() + i);
i--;
break;
}
}
}
//判断敌人是否伤害到玩家并移动敌人的位置
for (int i = 0; i < int(a.size()); i++)
{
int dx = a[i].x - p.x;
int dy = a[i].y - p.y;
int dis = a[i].r + p.r;
if (dx * dx + dy * dy < dis * dis)
{
p.hp -= a[i].hp * a[i].speed;
death tmp(a[i].x, a[i].y, a[i].r, a[i].color);
d.push_back(tmp);
a.erase(a.begin() + i);
i--;
continue;
}
double radian = 0;
if (a[i].x == p.x)
{
if (a[i].x > p.x)
{
radian = -pi / 2;
}
else
{
radian = pi / 2;
}
}
else
{
radian = atan((1.0 * a[i].y - 1.0 * p.y) / (1.0 * a[i].x - 1.0 * p.x));
if (p.x < a[i].x)
{
radian += pi;
}
}
a[i].x += int(round(a[i].speed * cos(radian)));
a[i].y += int(round(a[i].speed * sin(radian)));
}
//死亡动画
for (int i = 0; i < int(d.size()); i++)
{
d[i].time--;
if (d[i].time == 0)
{
d.pop_front();
i--;
}
else
{
setfillcolor(d[i].color);
fillcircle(d[i].x, d[i].y, d[i].r * d[i].time / 10);
}
}
//画出每一个子弹
setfillcolor(BLACK);
for (int i = 0; i < int(b.size()); i++)
{
fillcircle(b[i].x, b[i].y, size / 8);
}
//画出每一个敌人
for (int i = 0; i < int(a.size()); i++)
{
setfillcolor(a[i].color);
fillcircle(a[i].x, a[i].y, a[i].r);
}
//实时显示情况
setbkmode(TRANSPARENT);
settextcolor(BLACK);
wsprintf(str, L"生命值：%d", p.hp);
outtextxy(0, 0, str);
wsprintf(str, L"得分：%d", score);
outtextxy(0, int(round(size * 1.5)), str);
setbkmode(OPAQUE);
FlushBatchDraw();
FlushMouseMsgBuffer();
fflush(stdin);
Sleep(50);
//如果玩家生命值不足，将结束游戏
if (p.hp <= 0)
break;
}//end while
setlinecolor(WHITE);
for (int i = 0; i < area * size; i++)
{
line(0, i, area * size, i);
Sleep(1);
FlushBatchDraw();
}
setlinecolor(BLACK);
//游戏结算
money += score;
}
