ball 5.0

A.LAl黎

[C++] 纯文本查看 复制代码

#include<bits/stdc++.h>
#include <graphics.h> //包含EGE的头文件
#include<time.h>
using namespace std;

int width=800;
int height=600;
int num;
int count1;
#define mas 150//define是宏定义 

struct ballon
{
	float x;//ball[i].x坐标
    float y;//ball[i].y坐标
    float vx;//ball[i].x向速度
    float vy;//ball[i].y向速度
    int radius;//半径
    //int health;//健康=1，不健康=0
    int color;
    float g;
}ball[1000];

void  start()
{
	cout<<"请输入球的数量:"; 
    cin>>num;
	srand(time(0));//随机种子函数     
	
    for(int i=0;i<num;i++)
    {
    	ball[i].x=rand()%700+50;
    	ball[i].y=rand()%500+50;
    	ball[i].vx=(((float)rand())/32767)-0.5;
    	ball[i].vy=(((float)rand())/32767)-0.5;
    	ball[i].radius=rand()%2+0.5;
    	ball[i].g=0;
    	ball[i].color=rand()%360+1;
	}
     
    //ball[0].health=0;
    count1=1;
     
    initgraph(width, height);               //初始化图形界面
    setcolor(GREEN);  //设置画图线为红色
    setbkcolor(BLACK);//设置背景颜色为白色
    setfillcolor(GREEN);//设置填充颜色为红色
    setfont(25,0,"幼圆");//(字体高度,字体宽度(为0即为自适应),字形)设置字体为25,幼圆字体
    setbkmode(TRANSPARENT); //设置文字背景色为透明(默认为有背景色)
}

void update()//数据更新
{
	for(int i=0;i<num;i++)
    	{
    		ball[i].vy=ball[i].vy+ball[i].g;
			ball[i].vx=ball[i].vx+ball[i].g;
        	ball[i].y=ball[i].y+ball[i].vy;
        	ball[i].x=ball[i].x+ball[i].vx;
			if(ball[i].y>=height-ball[i].radius)
			{
				ball[i].vy=-ball[i].vy;
			}
			else if(ball[i].y<=ball[i].radius)
			{
				ball[i].vy=-ball[i].vy;
			}
			if(ball[i].x>=width-ball[i].radius)
			{
				ball[i].x=width-ball[i].radius;
				ball[i].vx=-ball[i].vx;
			}
			else if(ball[i].x<=ball[i].radius)
			{
				ball[i].vx=-ball[i].vx;
			}
		
    
    
        
		}
}

int distance1(int i,int j)
{
	int dis;
	dis=abs(ball[i].x-ball[j].x)+abs(ball[i].y-ball[j].y);
	if(dis<mas)
	{
		return dis;
	}
	else
	{
		return 0;
	}
}

void drawball()//画球 
{
	int distance;
	//xyprintf(20,20,"病人数量：%d",count1);//格式化输出文字
	for(int i=0;i<num;i++)
	{
		setfillcolor(hsv2rgb(ball[i].color, 1, 1));	
		fillellipse(ball[i].x, ball[i].y, ball[i].radius, ball[i].radius); //画一个实心圆
		for(int j=i+1;j<num;j++)
		{
			distance=distance1(i,j); 
			if(distance>0)
			{
				float color_line = ((float)distance/(float)mas);
				setcolor(hsv2rgb(ball[i].color, 1, color_line));
				line(ball[i].x,ball[i].y,ball[j].x,ball[j].y);
			}
		}
	}
	Sleep(10);
	cleardevice();
}

int main()
{
	start();
    while(1)
    {
    	update();
        drawball();
    }
    getch();
     
    return 0;
}