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这只是一些平时的课件,如果不好,请原谅!

#include<graphics.h>
#include<math.h>
#include<conio.h>
#include<stdio.h>
#include<dos.h>
#include<a:ccbp.h>
#define  PI 3.1415926
#define  dt 0.2*t
void main()
{
float o,r,r1,r2,x,y,z1,z2,z,X,Y,w1=PI/5,w2=PI/5;
int  t;
int A1=50,A2=50,v1=20,v2=20,l=350;
int gd=DETECT,gm;
initgraph(&gd,&gm,"");
for(r=0;r<=480;r+=2)
     {
     for(o=0;o<=360;o+=1)
       {
       x=r*cos(o*PI/180);
       y=r*sin(o*PI/180);
       r2=sqrt(pow(x,2)+pow((y-l/2),2));
       r1=sqrt(pow(x,2)+pow((y+l/2),2));
       z1=A1*cos(w1*dt+r1*w1/v1);
       z2=A2*cos(w2*dt+r2*w2/v2);
       z=z1+z2;
       X=320+(y-x*cos(PI/4));
       Y=240-(z-x*sin(PI/4));
       if(o==90||o==270)
	 {
	  if(r>=(700-l)/2&&r<=(700+l)/2)
	   {
	    setcolor(4);
	    setfillstyle(1,4);
	    fillellipse(X,Y,2,2);
           }
	  else
	   {
	    setcolor(14);
	    setfillstyle(1,14);
	    fillellipse(X,Y,2,2);
	   }
	 }
       else if(o==0||o==180)
	 {
	  setcolor(1);
	  setfillstyle(1,1);
	  fillellipse(X,Y,1,1);
	 }
       else
	  putpixel(X,Y,3);
	}
      }
 outhzxy3(260,10,"水波干涉",2,0,15);
 outhzxy3(250,200,"驻波",1,0,15);
 outhzxy3(450,450,"作者：万昌盛",1,0,4);
 outhzxy3(650/2-l/2,200,"波源",1,0,15);
 outhzxy3(650/2+l/2,200,"波源",1,0,15);
 outhzxy3(60,230,"水波的叠加",1,0,15);
 getch();
 for(t=0;  ;t++)
   {
   if(kbhit())  break;
   cleardevice();
   for(r=0;r<=480;r+=5)
     {
     for(o=0;o<=360;o+=5)
       {
       x=r*cos(o*PI/180);
       y=r*sin(o*PI/180);
       r2=sqrt(pow(x,2)+pow((y-l/2),2));
       r1=sqrt(pow(x,2)+pow((y+l/2),2));
       z1=A1*cos(w1*dt+r1*w1/v1);
       z2=A2*cos(w2*dt+r2*w2/v2);
       z=z1+z2;
       X=320+(y-x*cos(PI/4));
       Y=240-(z-x*sin(PI/4));
       if(o==90||o==270)
	 {
	  if(r>=(700-l)/2&&r<=(700+l)/2)
	   {
	    setcolor(4);
	    setfillstyle(1,4);
	    fillellipse(X,Y,2,2);
           }
	  else
	   {
	    setcolor(14);
	    setfillstyle(1,14);
	    fillellipse(X,Y,2,2);
	   }

	 }
       else if(o==0||o==180)
	 {
	  setcolor(1);
	  setfillstyle(1,1);
	  fillellipse(X,Y,1,1);
	 }
       else
	  putpixel(X,Y,14);
       }
     }   if(kbhit())  break;
   }
closegraph();
}