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#pragma once
#include "forces.hpp"
#include "integrator_interface.hpp"
namespace BParticles {
class ConstantVelocityIntegrator : public Integrator {
std::unique_ptr<AttributesInfo> m_offset_attributes_info;
public:
ConstantVelocityIntegrator();
const AttributesInfo &offset_attributes_info() override;
void integrate(IntegratorInterface &interface) override;
};
class EulerIntegrator : public Integrator {
private:
std::unique_ptr<AttributesInfo> m_offset_attributes_info;
Vector<Force *> m_forces;
public:
EulerIntegrator(ArrayRef<Force *> forces);
~EulerIntegrator();
const AttributesInfo &offset_attributes_info() override;
void integrate(IntegratorInterface &interface) override;
private:
void compute_combined_force(IntegratorInterface &interface, MutableArrayRef<float3> r_force);
void compute_offsets(IndexMask mask,
ArrayRef<float> durations,
ArrayRef<float3> last_velocities,
ArrayRef<float3> combined_force,
MutableArrayRef<float3> r_position_offsets,
MutableArrayRef<float3> r_velocity_offsets);
};
} // namespace BParticles
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