grafica con C++

ritorna graficac.htm

/* seno1.c */

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <graphics.h>
#include <conio.h>

main()

{
 int      sc,tp,a,g;
 float    r,y,c;
 sc=0;tp=0;
 initgraph(&sc,&tp,"");
 setbkcolor(1);
 g=0;
 outtextxy(10,10,"sinusoide e cosinusoide");
 for (a=1;a<=400;a++)
  {
   r=g*3.14/180;
   y=sin(r);
   y=y*50;
   c=cos(r);
   c=c*70;
   setcolor(2);
   line(a,100,a,100+y);
   setcolor(3);
   line(a,300,a,300+c);
   g=g+10;
   }
 getch();
 }

/* seno2.c */

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <graphics.h>
#include <conio.h>

main()

{
 int      sc,tp,a,g;
 float    r,y,c;
 sc=0;tp=0;
 initgraph(&sc,&tp,"");
 setbkcolor(1);
 g=0;
 outtextxy(10,10,"sinusoide e cosinusoide punteggiate");
 for (a=1;a<=400;a++)
  {
   r=g*3.14/180;
   y=sin(r);
   y=y*50;
   c=cos(r);
   c=c*70;
   setcolor(2);
   line(a,100+y,a,100+y);
   setcolor(3);
   line(a,300+c,a,300+c);
   g=g+10;
   }
 getch();
 }

/* seno3.c */

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <graphics.h>
#include <conio.h>

main()

{
 int      sc,tp,a,g;
 float    r,y,c;
 sc=0;tp=3;
 initgraph(&sc,&tp,"");
 setbkcolor(1);
 g=0;
 outtextxy(10,10,"sinusoide e cosinusoide punteggiate");
 line(10,200,400,200);
 line(10,10,10,400);
 for (a=10;a<=400;a++)
  {
   r=g*3.14/90;
   y=sin(r);
   y=y*50;
   c=cos(r);
   c=c*70;
   setcolor(2);
   line(a,200+y,a,200+y);
   setcolor(3);
   line(a,200+c,a,200+c);
   g=g+2;
   }
 getch();
 }