Mathc gnuplot/Animation : Courbe de Bézier

Sommaire

Petit jeux sur les polygones

N'oubliez pas les fichiers h de la librairie.

	c00a.c

/* ------------------------------------ */
/* save as : c00a.c                      */
/* ------------------------------------ */  
#include "v_a.h"
#include "y_r.h"
/* ------------------------------------ */   
void poly(
double **U, 
double **Sides,
double **Angles,
double alpha,
double n
)
{
int i;
int c;

   for(i=1;i<n;++i)
      for(c=FIRST; c<Angles[C_SIZE][OF]; c++)
        vo(U,i*(Angles[FIRST][c])+alpha,Sides[FIRST][c]);      
}
/* ------------------------------------ */   
int main(void)
{
double alpha  =-90;

double a[3]   ={ -12., 13.,-12.};
double s[3]   ={  10., 20., 30.};

double **U = G_main(-1000.,1000.,-1000.,1000.);
double **A = c_a_A_mR(a,I_mR(R1,C3));
double **S = c_a_A_mR(s,I_mR(R1,C3));
 
   setup(U,-500,450.);   
   poly(U,S,A,alpha,50);

   setup(U, 500,450.);   
   poly(U,S,A,alpha,100);

   setup(U, -500,-600.);   
   poly(U,S,A,alpha,200);   

   setup(U,  500,-600.);   
   poly(U,S,A,alpha,400);   

   F_mR(U);

  printf("  ... load \"a_main.plt\" ... with gnuplot.\n");
  getchar(); 

  return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */

Résultat dans gnuplot