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/* -*-ePiX-*- */
#include "epix.h"
using namespace ePiX;
// compile with, e.g., elaps -DALL polyhedra.xp
const double MAX(1.25);
#define A5
// draw everyone
#ifdef ALL
#define A4
#define A5
#endif /* ALL */
// draw three polyhedra with A4 symmetry
#ifdef A4
#define COLOR
#define TETRA
#define CUBE
#define OCTA
#endif /* A4 */
// draw two polyhedra with A5 symmetry
#ifdef A5
#ifndef COLOR
#define COLOR
#endif /* ndef COLOR */
#define DODECA
#define ICOSA
#endif /* A5 */
int main()
{
picture(P(-MAX,-MAX),P(MAX,MAX), "6 x 6in");
begin();
const double gam(0.5*(1+sqrt(5)));
grid();
camera.at(P(8,3,2));
camera.range(20);
Sphere S;
frame f;
frame f2(E_2, E_1, E_3);
#ifdef TETRA
#ifdef COLOR
rgb(1,0.7,0.7);
#endif /* COLOR */
back_tetra(S, f);
back_tetra(S, f2);
#endif
#ifdef CUBE
#ifdef COLOR
rgb(0.7,0.7,1);
#endif /* COLOR */
back_cube(S, f);
#endif
#ifdef OCTA
#ifdef COLOR
rgb(0.7,1,0.7);
#endif /* COLOR */
back_octa(S, f);
#endif
#ifdef DODECA
#ifdef COLOR
rgb(0.7,1,1);
#endif /* COLOR */
back_dodeca(S, f);
#endif
#ifdef ICOSA
#ifdef COLOR
rgb(1,1,0.7);
#endif /* COLOR */
back_icosa(S, f);
#endif
bold();
#ifdef TETRA
#ifdef COLOR
red();
#endif /* COLOR */
front_tetra(S, f);
front_tetra(S, f2);
#endif
#ifdef CUBE
#ifdef COLOR
blue();
#endif /* COLOR */
front_cube(S, f);
#endif
#ifdef OCTA
#ifdef COLOR
green(0.6);
#endif /* COLOR */
front_octa(S, f);
#endif
#ifdef DODECA
#ifdef COLOR
rgb(0, 0.7, 0.7);
#endif /* COLOR */
front_dodeca(S, f);
#endif
#ifdef ICOSA
#ifdef COLOR
rgb(1, 0.9, 0);
#endif /* COLOR */
front_icosa(S, f);
#endif
#ifdef COLOR
green(0.8);
#endif
S.draw();
end();
}
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