int w_BezierCurve_getDerivative(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
BezierCurve *deriv = new BezierCurve(curve->getDerivative());
luax_pushtype(L, MATH_BEZIER_CURVE_ID, deriv);
deriv->release();
return 1;
}
int w_BezierCurve_getSegment(lua_State *L)
{
BezierCurve *curve = luax_checkbeziercurve(L, 1);
double t1 = luaL_checknumber(L, 2);
double t2 = luaL_checknumber(L, 3);
BezierCurve *segment;
luax_catchexcept(L, [&](){ segment = curve->getSegment(t1, t2); });
luax_pushtype(L, MATH_BEZIER_CURVE_ID, segment);
segment->release();
return 1;
}
