1.概要设计
代码如下：
#include <iostream>#include <string>#include <graphics.h> //图形库头文件#include <mmsystem.h> //多媒体接口#pragma comment(lib,"winmm.lib")//加载库文件#define High 580 //窗口长#define Weight 850//窗口宽#define bullet_NUM 100 //设定子弹数量#define enemy_NUM 15 //设定敌机数量using namespace std;struct Image //定义图形变量结构体{IMAGE backgrand; //定义背景图片IMAGE player[2]; //定义player飞机图片IMAGE bullet[2]; //定义子弹图片IMAGE enemy[4]; //定义敌机图片IMAGE explode[2];//定义坠毁player飞机图片}ss; //IMAGE 定义一个图形变量struct make //定义对象数据结构体{double x; //x坐标double y; //y坐标int hp;//生命值bool flag; //存货状态union MyUnion //联合 、使用同一块内存、节省内存{int type; //敌机独有属性，类型int score; //玩家独有属性，得分}un;}player,bullet[bullet_NUM],enemy[enemy_NUM],explode;enum TYPE //将敌机分为两种类型{SMALL,BIG,};DWORD t1, t2,t3,t4;void Init()//----------------------//初始化数据{ //设定随机数种子srand(GetTickCount());t1 = t2=t3=t4 = GetTickCount();//获取系统开机到当前所经过的毫秒数//音乐播放mciSendString("open ./PlanePicture/game_music.mp3 alias BGM",0,0,0); //加载音乐地址、导入音乐mciSendString("play BGM repeat", 0, 0, 0); //播放音乐//加载图片地址、导入图片//导入背景loadimage(&ss.backgrand, "./PlanePicture/background.jpg");//导入player飞机loadimage(&ss.player[0], "./PlanePicture/player_2.jpg");loadimage(&ss.player[1], "./PlanePicture/player_1.jpg");//导入子弹loadimage(&ss.bullet[0], "./PlanePicture/bullet_1.jpg");loadimage(&ss.bullet[1], "./PlanePicture/bullet_2.jpg");//导入敌机loadimage(&ss.enemy[0], "./PlanePicture/enemys_1.jpg");//小敌机loadimage(&ss.enemy[1], "./PlanePicture/enemys_2.jpg");loadimage(&ss.enemy[2], "./PlanePicture/enemyb_1.jpg");//大敌机loadimage(&ss.enemy[3], "./PlanePicture/enemyb_2.jpg");//导入战毁机loadimage(&ss.explode[0], "./PlanePicture/Explode_1.jpg");loadimage(&ss.explode[1], "./PlanePicture/Explode_2.jpg");//初始化玩家player.flag = true;player.hp = 15;player.x = Weight / 2-200;player.y = High-100;player.un.score = 0;//初始化敌机for (int i = 0; i < enemy_NUM; i++){enemy[i].flag = false;}//初始化子弹for (int i = 0; i < bullet_NUM; i++){bullet[i].flag = false;}}void Show()//-------------------------------//输出数据{//输出背景putimage(0, 0, &ss.backgrand);//输出分数、输出生命值settextstyle(20, 0, "华文行楷"); //设置字体样式settextcolor(BLUE);//设置字体颜色setbkmode(TRANSPARENT);//设置背景为透明TCHAR str [50] = {0};TCHAR sta[50] = { 0 };_stprintf_s(str, "经验值:%d", player.un.score);_stprintf_s(sta, "生命值:%d", player.hp);outtextxy(20, 20, str);outtextxy(20, 40, sta);if (explode.flag == true){settextstyle(60, 0, "华文行楷"); //设置字体样式settextcolor(RED);outtextxy(160, 300, "您 已 阵 亡");outtextxy(140, 360, "所得");outtextxy(250, 360, str);}//输出飞机if (player.flag == true) {putimage(player.x, player.y, &ss.player[0], NOTSRCERASE);putimage(player.x, player.y, &ss.player[1], SRCINVERT);}//输出战毁机if (explode.flag == true){putimage(explode.x, explode.y, &ss.explode[0], NOTSRCERASE);putimage(explode.x, explode.y, &ss.explode[1], SRCINVERT);}//输出子弹for (int i = 0; i < bullet_NUM; i++){if (bullet[i].flag == true){putimage(bullet[i].x, bullet[i].y, &ss.bullet[0], NOTSRCERASE);putimage(bullet[i].x, bullet[i].y, &ss.bullet[1], SRCINVERT);}}//输出敌机for (int i = 0; i < enemy_NUM; i++){if (enemy[i].flag == true){if(enemy[i].un.type==TYPE::SMALL){putimage(enemy[i].x, enemy[i].y, &ss.enemy[0], NOTSRCERASE);putimage(enemy[i].x, enemy[i].y, &ss.enemy[1], SRCINVERT);}else {putimage(enemy[i].x, enemy[i].y, &ss.enemy[2], NOTSRCERASE);putimage(enemy[i].x, enemy[i].y, &ss.enemy[3], SRCINVERT);}}}}void BulletCreat()//------------------------------生成子弹{for (int i = 0; i < bullet_NUM; i++){if (bullet[i].flag == false){bullet[i].flag = true;bullet[i].x = player.x + 45;bullet[i].y = player.y-2;break; //确保每按一下空格键生成一发子弹}}}void BulletMove(int speed)//----------------------控制子弹移动{for (int i = 0; i < bullet_NUM; i++){if (bullet[i].flag == true){bullet[i].y -= speed;if (bullet[i].y < 0){bullet[i].flag = false;}}}}void EnemyType(int i)//------------------------------//给随机生成的敌机分类型{if (rand() % 5 == 0) //1/5的概率生成大敌机 {enemy[i].un.type = TYPE::BIG;enemy[i].hp = 3;}else {enemy[i].un.type = TYPE::SMALL;enemy[i].hp = 1;}}void EnemyCreat()//---------------------------------生成敌机{for (int i = 0; i < enemy_NUM; i++){if (enemy[i].flag==0){enemy[i].flag = true;enemy[i].x = rand() % (Weight - 100);enemy[i].y = 0;EnemyType(i);break;}}}void EnemyMove(double speed)//-------------------------------//控制敌机移动{for (int i = 0; i < enemy_NUM; i++){if (enemy[i].flag == true){enemy[i].y += speed;if (enemy[i].y>=High+130){enemy[i].flag = false;}}}}void Move(double speed)//-----------------------------//控制移动{//控制player飞机移动if (GetAsyncKeyState(VK_RIGHT)&&player.x+320<=Weight) //{player.x += speed;}if (GetAsyncKeyState(VK_LEFT) && player.x + 60 >= 0) //{player.x -= speed;}if (GetAsyncKeyState(VK_UP) && player.y >= 0) //{player.y -= speed;}if (GetAsyncKeyState(VK_DOWN) && player.y-20<=High) //{player.y += speed;}//控制子弹移动if (GetAsyncKeyState(VK_SPACE)&&t2-t1>=400){BulletCreat(); //生成子弹//播放射击音乐mciSendString("close hh",0,0,0); //确保每次都能播放mciSendString("open ./PlanePicture/f_gun.mp3 alias hh", 0, 0, 0); //导入音乐mciSendString("play hh",0,0,0);//播放音乐t1 = t2;}t2 = GetTickCount();BulletMove(speed); //控制子弹移动//敌机的生成与移动if (t4 - t3 >= rand() % 600 + 600){EnemyCreat(); //生成敌机t3 = t4;}t4 = GetTickCount();EnemyMove(0.5); //控制敌机移动}void PlayerShot()//----------------------------------------//射中敌机/player飞机摧毁{for (int i = 0; i < enemy_NUM; i++){for (int j = 0; j < bullet_NUM; j++){//当player飞机撞到敌机if (enemy[i].flag == true &&player.flag == true){if (enemy[i].x + 50 >= player.x && enemy[i].x <= player.x + 117 && enemy[i].y + 39 >= player.y && enemy[i].y <= player.y && enemy[i].un.type == TYPE::SMALL)//当player飞机撞到小敌机{enemy[i].flag = false;player.hp -= 1;}if (enemy[i].x <= player.x + 117 && enemy[i].x + 148 >= player.x && enemy[i].y + 104 >= player.y && enemy[i].y <= player.y + 120 && enemy[i].un.type == TYPE::BIG)//当player飞机撞到大敌机{enemy[i].flag = false;player.hp -= 3;}}//当子弹射中敌机if (enemy[i].flag == true && bullet[j].flag == true){if (enemy[i].x + 50 >= bullet[j].x && enemy[i].x <= bullet[j].x + 19 && enemy[i].y + 39 >= bullet[j].y && enemy[i].y <= bullet[j].y && enemy[i].un.type == TYPE::SMALL)//当击中小敌机{enemy[i].flag = false;//小敌机消失bullet[j].flag = false;//子弹消失player.un.score += 1;}if (enemy[i].x + 104 >= bullet[j].x && enemy[i].x <= bullet[j].x + 19 && enemy[i].y + 148 >= bullet[j].y && enemy[i].y <= bullet[j].y && enemy[i].un.type == TYPE::BIG)//当击中小敌机{bullet[j].flag = false;//子弹消失enemy[i].hp -= 1;if (enemy[i].hp <= 0) {enemy[i].flag = false;//大敌机消失player.un.score += 3;}}}}}}void Search()//-----------------------------//查看player飞机是否阵亡{if (player.hp <= 0){explode.flag = true;explode.x = player.x;explode.y = player.y;player.flag = false; //player飞机阵亡mciSendString("close hhh", 0, 0, 0);mciSendString("open ./PlanePicture/roledie.mp3 alias hhh", 0, 0, 0); //导入音乐mciSendString("play hhh", 0, 0, 0);}}int main(){initgraph(High,Weight);//设定窗口Init(); //初始化数据BeginBatchDraw(); //开启双缓冲、防止图片频闪,在内存中存好while (1){Show(); //输出数据//Select();Move(1); //控制移动PlayerShot(); //射中敌机/player飞机摧毁FlushBatchDraw(); //打开图片Search();//查看player飞机是否阵亡}EndBatchDraw(); //结束图片放映return 0;}
头文件以及库函数：
主函数：
各函数所产生的作用：
Initgraph：设定长为Weight,宽为High的窗口
Init()：初始化数据，即导入文件中的图片，给各元素赋初值
While()：保证该页面不断刷新、不断更改数据，即保证游戏的流畅进行
Show()：输出各项数据，如显示背景、输出飞机子弹图片
Move()：控制飞机、子弹的移动
PlayerShow()：子弹射中敌机/player飞机撞到敌机
Search()：判断player飞机是否阵亡
BeginBatchDraw()：开启双缓存、防止图片频闪，将其存储在内存中
FlushBatchDraw()：打开内存中的图片
EndBatchDraw()：结束图片的放映
