ts::BSpline& ts::BSpline::operator=(const ts::BSpline& other)
{
if (&other != this) {
const tsError err = ts_bspline_copy(&other.bspline, &bspline);
if (err < 0)
throw std::runtime_error(ts_enum_str(err));
}
return *this;
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
tsBSpline draw;
if (drawBeziers)
ts_bspline_to_beziers(&spline, &draw);
else
ts_bspline_copy(&spline, &draw);
glColor3f(1.0, 1.0, 1.0);
glLineWidth(3);
gluBeginCurve(theNurb);
gluNurbsCurve(
theNurb,
draw.n_knots,
draw.knots,
draw.dim,
draw.ctrlp,
draw.order,
GL_MAP1_VERTEX_3
);
gluEndCurve(theNurb);
ts_bspline_free(&draw);
// draw control points
glColor3f(1.0, 0.0, 0.0);
glPointSize(5.0);
size_t i;
glBegin(GL_POINTS);
for (i = 0; i < spline.n_ctrlp; i++)
glVertex3fv(&spline.ctrlp[i * spline.dim]);
glEnd();
glutSwapBuffers();
glutPostRedisplay();
}
ts::BSpline::BSpline(const ts::BSpline& other)
{
const tsError err = ts_bspline_copy(&other.bspline, &bspline);
if (err < 0)
throw std::runtime_error(ts_enum_str(err));
}
