sagdfy

mjk

[C++] 纯文本查看 复制代码

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

PIMAGE Pimg1;
PIMAGE Pimg2;

#define PI 3.1415926
int width =800;
int height = 800; 
int R=200;
int t_cnt; 

struct dot{
	float x;//x坐标
	float y;//y坐标 
	float angle;//角度 
	float v;//角速度  每秒转多少度
	float R; 
	int color; 
}d[3]; 

void startup()//初始化 函数 
{		

	initgraph(width,height,INIT_RENDERMANUAL);				//初始化图形界面

	setbkcolor(BLACK);//设置背景颜色为白色
	setlinewidth(1);//设置线宽 
	setfillcolor(BLACK);//设置填充颜色为白色 
	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)	
	Pimg1 = newimage(width, height);
	Pimg2 = newimage(width, height);
//	setcolor(YELLOW);
//	circle(width/2, height/2, R);
	
	d[1].R = 120;
	d[1].x = width/2;
	d[1].y = height/2-d[1].R;
	d[1].v = 100;
	
	d[2].R = 120;
	d[2].x = width/2;
	d[2].y = d[1].y-d[2].R;
	d[2].v = 0.01*PI;
	
	d[3].R = 44;
	d[3].x = width/2;
	d[3].y = d[2].y-d[3].R;
	d[3].v = 444; 
	
	t_cnt = 0;

	//line(0,height/2,line_len,height/2);
}

void update()
{
	//d[1].v += 0.0001;
	d[1].angle= fmod(d[1].angle+d[1].v,2*PI);
	d[1].x = width/2 + d[1].R*sin(d[1].angle);
	d[1].y = height/2- d[1].R*cos(d[1].angle);
	
	d[2].angle= fmod(d[2].angle+d[2].v,2*PI);
	d[2].x = d[1].x+d[2].R*sin(d[2].angle);//以上一个点为圆心 
	d[2].y = d[1].y-d[2].R*cos(d[2].angle);
	
	d[3].angle= fmod(d[3].angle+d[3].v,2*PI);
	d[3].x = d[2].x+d[3].R*sin(d[3].angle);
	d[3].y = d[2].y-d[3].R*cos(d[3].angle);
	
	t_cnt++;

	
}

void draw1(PIMAGE pimg)
{
	//clearviewport(pimg);
	cleardevice(pimg);
	//setfillcolor(RED);//设置填充颜色为白色 
	//bar(0,0,800,800,pimg);
	
	setcolor(CYAN,pimg);	//设置画图线颜色 
	circle(width/2,height/2,d[1].R,pimg);
	line(width/2,height/2,d[1].x,d[1].y,pimg);
	
	circle(d[1].x,d[1].y,d[2].R,pimg);
	line(d[1].x,d[1].y,d[2].x,d[2].y,pimg);
	cleardevice();//?
	putimage(0, 0, Pimg1, SRCPAINT);
	//circle(d[2].x,d[2].y,d[3].R);
	//line(d[2].x,d[2].y,d[3].x,d[3].y);
}
void draw2(PIMAGE pimg)
{
	//cleardevice();

	//line(width/2,height/2,d[1].x,d[1].y);
	
	//circle(d[1].x,d[1].y,d[2].R);
	//line(d[1].x,d[1].y,d[2].x,d[2].y);
	
	//circle(d[2].x,d[2].y,d[3].R);
	//line(d[2].x,d[2].y,d[3].x,d[3].y);
	
	setcolor(YELLOW,pimg);	//设置画图线颜色 
	circle(d[2].x,d[2].y,1,pimg);
	putimage(0, 0, Pimg2, SRCPAINT);
}

int main()
{
	startup();
	while(1)
	{
		update();
		draw1(Pimg1);
		draw2(Pimg2);
				//imagefilter_blurring(Pimg2, 0x0a, 0xff);

		//缓存绘制到窗口，模式为（最终颜色 = 窗口像素颜色 Or 图像像素颜色), 这样颜色会叠加起来
		
		
		Sleep(1);
	} 
	getch();							//暂停，等待键盘按键
	closegraph();        //关闭图形界面
	
	return 0;
}

admin