#pragma once
#include
namespace internal
{
// local: a sphere with center at (0, 0, 0) and radius 1
struct sphere_face_t final : subface {
static constexpr uint64_t max_degree = 2;
static constexpr equation_system_type eq_sys_type = equation_system_type::implicit;
std::function fetch_sdf_evaluator() const override;
std::function fetch_sdf_grad_evaluator() const override;
// u: planar angle from x-axis to z-axis
// v: polar angle from xz-plane to y-axis
std::function fetch_point_by_param_evaluator() const override;
std::function fetch_curve_constraint_evaluator(parameter_u_t constraint_var_type,
double u) const override;
std::function fetch_curve_constraint_evaluator(parameter_v_t constraint_var_type,
double v) const override;
std::function fetch_solver_evaluator() const override;
};
} // namespace internal
namespace detail
{
template <>
struct default_elem_ctor {
internal::sphere_face_t operator()(const internal::paired_model_matrix *k) const
{
internal::sphere_face_t res{};
res.model_matrices = const_cast(k);
return res;
}
};
} // namespace detail