ball 4.0

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;
char ch;
int wallk=50;
int wallc=100; 

struct ballon
{
	float x;//ball.x坐标
    float y;//ball.y坐标
    float vx;//ball.x向速度
    float vy;//ball.y向速度
    int radius;//半径
    float g;
}ball;

struct wallon
{
	int xl;
	int yl;
	int xr;
	int yr;
	int vx;
}wall;

void  start()
{
	srand(time(0));//随机种子函数     
	
	wall.xl=width-wallk;
	wall.yl=0;
	wall.yr=rand()%150+100;
	wall.xr=width;
	
    ball.x=200;
    ball.y=300;
    ball.vx=0;
    ball.vy=0;
    ball.radius=rand()%5+10;
    ball.g=0.4;
    count1=1;
     
    initgraph(width, height);               //初始化图形界面
    setcolor(GREEN);  //设置画图线为红色
    setbkcolor(WHITE);//设置背景颜色为白色
    setfillcolor(BLUE);//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
{
    ball.vy=ball.vy+ball.g;
	//ball.vx=ball.vx+ball.g;
	ball.y=ball.y+ball.vy;
	ball.x=ball.x+ball.vx;
	if(ball.y>=height-ball.radius)
	{
		ball.vy=-ball.vy;
	}
	else if(ball.y<=ball.radius)
	{
		ball.vy=-ball.vy;
	}
	if(ball.x>=width-ball.radius)
	{
		ball.x=width-ball.radius;
		ball.vx=-ball.vx;
	}
	else if(ball.x<=ball.radius)
	{
		ball.vx=-ball.vx;
	}
	
    if(kbhit())
    {
		ch=getch();
    	if(ch==' ')
        {
            ball.vy=-10;
        } 
    }   
}

void drawball()//画球 
{
	//xyprintf(20,20,"病人数量：%d",count1);//格式化输出文字
	fillellipse(ball.x, ball.y, ball.radius, ball.radius); //画一个实心圆
	
	bar(wall.xl,wall.yl,wall.xr,wall.yr);
	bar(wall.xl,wallc+wall.yr,wall.xr,height);
	Sleep(10);
	cleardevice();
}


int main()
{
	start();
    while(1)
    {
    	update();
        drawball();
        if(count1==num)
        {
        	break;
		}
    }
    getch();
     
    return 0;
}