File hookean_spring.h

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#pragma once
#include <uipc/constitution/finite_element_constitution.h>
#include <uipc/constitution/elastic_moduli.h>
#include <uipc/common/unit.h>

namespace uipc::constitution
{
class UIPC_CONSTITUTION_API HookeanSpring : public FiniteElementConstitution
{
    using Base = FiniteElementConstitution;

  public:
    HookeanSpring(const Json& config = default_config()) noexcept;

    void apply_to(geometry::SimplicialComplex& sc,
                  Float                        kappa        = 40.0_MPa,
                  Float                        mass_density = 1e3,
                  Float                        thickness    = 0.01_m) const;

    static Json default_config() noexcept;

  protected:
    virtual U64 get_uid() const noexcept override;

  private:
    Json m_config;
};
}  // namespace uipc::constitution