*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
static void
tess_error (GLenum errorCode)
{
fprintf (stderr, "%s: tesselation error: %s\n",
progname, gluErrorString(errorCode));
static void
tess_error (GLenum errorCode)
{
fprintf (stderr, "%s: tesselation error: %s\n",
progname, gluErrorString(errorCode));
/* Use the GLU polygon tesselator so that nonconvex faces are displayed
correctly (e.g., for the "pentagrammic concave deltohedron").
*/
/* Use the GLU polygon tesselator so that nonconvex faces are displayed
correctly (e.g., for the "pentagrammic concave deltohedron").
*/
GLUtesselator *tobj = gluNewTess();
gluTessCallback (tobj, GLU_TESS_BEGIN, (void (*) (void)) &glBegin);
gluTessCallback (tobj, GLU_TESS_END, (void (*) (void)) &glEnd);
gluTessCallback (tobj, GLU_TESS_VERTEX, (void (*) (void)) &glVertex3dv);
gluTessCallback (tobj, GLU_TESS_ERROR, (void (*) (void)) &tess_error);
GLUtesselator *tobj = gluNewTess();
gluTessCallback (tobj, GLU_TESS_BEGIN, (void (*) (void)) &glBegin);
gluTessCallback (tobj, GLU_TESS_END, (void (*) (void)) &glEnd);
gluTessCallback (tobj, GLU_TESS_VERTEX, (void (*) (void)) &glVertex3dv);
gluTessCallback (tobj, GLU_TESS_ERROR, (void (*) (void)) &tess_error);
glNewList (bp->object_list, GL_COMPILE);
if (bp->which == bp->npolyhedra-1)
{
glNewList (bp->object_list, GL_COMPILE);
if (bp->which == bp->npolyhedra-1)
{
+ GLfloat bcolor[4];
+ bcolor[0] = bp->colors[0].red / 65536.0;
+ bcolor[1] = bp->colors[0].green / 65536.0;
+ bcolor[2] = bp->colors[0].blue / 65536.0;
+ bcolor[3] = 1.0;
+ if (wire)
+ glColor3f (0, 1, 0);
+ else
+ glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, bcolor);
+
glScalef (0.8, 0.8, 0.8);
p->nfaces = unit_teapot (6, wire);
glScalef (0.8, 0.8, 0.8);
p->nfaces = unit_teapot (6, wire);
bcolor[0] = bp->colors[f->color].red / 65536.0;
bcolor[1] = bp->colors[f->color].green / 65536.0;
bcolor[2] = bp->colors[f->color].blue / 65536.0;
bcolor[0] = bp->colors[f->color].red / 65536.0;
bcolor[1] = bp->colors[f->color].green / 65536.0;
bcolor[2] = bp->colors[f->color].blue / 65536.0;
glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, bcolor);
}
kludge_normal (f->npoints, f->points, p->points);
glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, bcolor);
}
kludge_normal (f->npoints, f->points, p->points);
gluTessBeginPolygon (tobj, 0);
gluTessBeginContour (tobj);
for (j = 0; j < f->npoints; j++)
gluTessBeginPolygon (tobj, 0);
gluTessBeginContour (tobj);
for (j = 0; j < f->npoints; j++)
+# else /* !HAVE_TESS */
+ glBegin (wire ? GL_LINE_LOOP :
+ f->npoints == 3 ? GL_TRIANGLES :
+ f->npoints == 4 ? GL_QUADS :
+ GL_POLYGON);
+ for (j = 0; j < f->npoints; j++)
+ {
+ point *pp = &p->points[f->points[j]];
+ glVertex3f (pp->x, pp->y, pp->z);
+ }
+ glEnd();
+# endif /* !HAVE_TESS */
if (!bps) {
bps = (polyhedra_configuration *)
calloc (MI_NUM_SCREENS(mi), sizeof (polyhedra_configuration));
if (!bps) {
bps = (polyhedra_configuration *)
calloc (MI_NUM_SCREENS(mi), sizeof (polyhedra_configuration));
get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);
glRotatef (x * 360, 1.0, 0.0, 0.0);
get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);
glRotatef (x * 360, 1.0, 0.0, 0.0);