C/C++项目源码——球球大作战

这是一个球球大作战的小程序，能够运行，需要下载一个easyx库

初始产生一个小球，可以慢慢吃零食长大

游戏没有写完整，不能吃别的玩家(单机初始化产生的玩家)

有兴趣可以自己尝试写完。

欢迎大家交流

/*

开发环境：vs2013+easyx

课程内容：球球大作战

*/

#include

#include

#include //包含easyx图形库头文件，如果没有安装，是包含不了的

#include//多媒体设备接口头文件

#pragma comment(lib,"winmm.lib")

#define WIN_WIDTH 1024 //窗口的大小

#define WIN_HEIGHT 640

#define MAP_WIDTH (WIN_WIDTH*3)//地图的大小

#define MAP_HEIGHT (WIN_HEIGHT*3)

#define FOOD_NUM 1000

#define AI_NUM 200

//地图是一张图 int temp；

IMAGE map(MAP_WIDTH, MAP_HEIGHT);

//食物，玩家，ai有什么属性

struct Ball

{

int x;

int y;

int r;

DWORD color;//颜色

bool flag;//是否存在

};

struct Ball food[FOOD_NUM];

struct Ball player;

struct Ball ai[AI_NUM];

POINT g_CameraPos;//定义摄像机位置

void ChaseAlgortihm(struct Ball *chase, struct Ball run);

//求两个球之间的距离

double DisTance(struct Ball b1, struct Ball b2)

{

return sqrt((double)(b1.x - b2.x)*(b1.x - b2.x) + (b1.y - b2.y)*(b1.y - b2.y));

}

void updatePos()

{

g_CameraPos.x = player.x - WIN_WIDTH / 2;

g_CameraPos.y = player.y - WIN_HEIGHT / 2;

//防止越界

if (g_CameraPos.x < 0) g_CameraPos.x = 0;

if (g_CameraPos.y < 0) g_CameraPos.y = 0;

if (g_CameraPos.x> MAP_WIDTH - WIN_WIDTH)g_CameraPos.x = MAP_WIDTH - WIN_WIDTH;

if (g_CameraPos.y> MAP_HEIGHT - WIN_HEIGHT)g_CameraPos.y = MAP_HEIGHT - WIN_HEIGHT;

}

//初始化数据

void GameInit()

{

//设置随机数种子

srand(GetTickCount());

//初始化食物

for (int i = 0; i < FOOD_NUM; i++)

{

//rand() 随机生成一个整数

food[i].x = rand() % MAP_WIDTH;

food[i].y = rand() % MAP_HEIGHT;

food[i].r = rand()%5+1;

food[i].flag = true;

food[i].color = RGB(rand() % 256, rand() % 256, rand() % 256);

}

//初始化玩家

player.x = rand() % MAP_WIDTH;

player.y = rand() % MAP_HEIGHT;

player.flag = true;

player.color = RGB(rand() % 256, rand() % 256, rand() % 256);

player.r = rand() % 10 + 10;

//初始化ai

for (int i = 0; i < AI_NUM; i++)

{

ai[i].x = rand() % MAP_WIDTH;

ai[i].y = rand() % MAP_HEIGHT;

ai[i].flag = true;

ai[i].r = rand() % 10 + 15;

ai[i].color = RGB(rand() % 256, rand() % 256, rand() % 256);

}

}

void GameDraw()

{

//播放背景音乐 repeat重复播放 alias 取别名

mciSendString("open ./BallBGM.mp3 alias BGM", 0, 0, 0);

mciSendString("play BGM repeat", 0, 0, 0);

//设置工作区

SetWorkingImage(&map);

setbkcolor(WHITE);//设置背景颜色

cleardevice();//初始化窗口

//绘制食物

for (int i = 0; i < FOOD_NUM; i++)

{

if (food[i].flag)

{

setfillcolor(food[i].color);

fillcircle(food[i].x, food[i].y, food[i].r);

}

}

//绘制ai

for (int i = 0; i < AI_NUM; i++)

{

if (ai[i].flag)

{

setfillcolor(ai[i].color);

solidcircle(ai[i].x, ai[i].y, ai[i].r);

}

}

//绘制玩家

setfillcolor(player.color);

solidcircle(player.x, player.y, player.r);

SetWorkingImage();

updatePos();//更新摄像机位置

//把自定义的图片绘制到窗口上

//putimage(0, 0, &map); 这样贴图不合适

//void putimage(int dstX, int dstY, int dstWidth, int dstHeight, const IMAGE *pSrcImg, int srcX, int srcY, DWORD dwRop = SRCCOPY);

putimage(0, 0, WIN_WIDTH, WIN_HEIGHT, &map, g_CameraPos.x, g_CameraPos.y);

}

//顽石老师移动起来了，飘起来了

void PlayerMove(int speed)

{

//获取键盘输入 _getch();

if (GetAsyncKeyState(VK_UP))

{

player.y -= speed;

}

if (GetAsyncKeyState(VK_DOWN))

{

player.y += speed;

}

if (GetAsyncKeyState(VK_LEFT))

{

player.x -= speed;

}

if (GetAsyncKeyState(VK_RIGHT))

{

player.x += speed;

}

//作弊测试

if (GetAsyncKeyState(VK_SPACE))

{

player.r ++;

}

if (GetAsyncKeyState('A'))

{

player.r --;

}

}

//吃零食

void EatFood()

{

for (int i = 0; i < FOOD_NUM; i++)

{

if (food[i].flag && DisTance(player, food[i]) < player.r)

{

//如果能吃

food[i].flag = false;

player.r += food[i].r/4;

}

}

}

//AI移动算法,追逐比自己半径小的球

void AiMove()

{

//找到每一个人工智障

for (int i = 0; i < AI_NUM; i++)

{

//设置搜索范围

int min_DISTANCE = MAP_WIDTH;

int index=-1;

if (ai[i].flag)

{

//每一个都和后面的比较一下

for (int k = i + 1; k < AI_NUM; k++)

{

if (ai[i].r>ai[k].r &&ai[k].flag && DisTance(ai[i], ai[k]) < min_DISTANCE)

{

min_DISTANCE = DisTance(ai[i], ai[k]);

index = k;

}

}

}

//去追吧

if (index != -1)

{

ChaseAlgortihm(&ai[i], ai[index]);

}

else

{

ChaseAlgortihm(&ai[i], food[rand()%FOOD_NUM]);

}

}

}

//玩家吃AI,AI吃玩家

void EatAI()

{

//1，首先遍历ai数组,然后判断能否被吃

}

//Ai吃食物，AI吃ai

void AiEatFood()

{

}

int main()

{

//1，创建一个图形窗口

initgraph(WIN_WIDTH, WIN_HEIGHT);

GameInit();

//游戏，要不断地去处理，所以说要循环

while (1)

{

GameDraw();

PlayerMove(5);

EatFood();

AiMove();

}

getchar();//防止程序闪退

return 0;

}

//追逐算法

void ChaseAlgortihm(struct Ball *chase, struct Ball run)

{

//已知逃跑者的坐标，那么，chase向run移动是不是就可以了？

if (rand() % 2 == 0)

{

if (chase->x < run.x)

{

chase->x += 2;

}

else

{

chase->x -= 2;

}

}

else

{

if (chase->y < run.y)

{

chase->y += 2;

}

else

{

chase->y -= 2;

}

}

}