Christoph Urlacher
3230d806f7
- uses a huge global seen-states-cache. Not scalable without more filtering
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#ifndef MASS_SPRING_SYSTEM_HPP_
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#define MASS_SPRING_SYSTEM_HPP_
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#include "octree.hpp"
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#include "config.hpp"
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#include <optional>
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#include <raylib.h>
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using spring = std::pair<size_t, size_t>;
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class cpu_spring_system
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{
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public:
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octree tree;
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// This is the main ownership of all the states/masses/springs.
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std::vector<Vector3> positions;
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std::vector<Vector3> previous_positions; // for verlet integration
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std::vector<Vector3> velocities;
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std::vector<Vector3> forces;
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std::vector<spring> springs;
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public:
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cpu_spring_system() {}
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NO_COPY_NO_MOVE(cpu_spring_system);
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public:
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auto clear() -> void;
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auto add_mass() -> void;
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auto add_spring(size_t a, size_t b) -> void;
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auto clear_forces() -> void;
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auto calculate_spring_force(size_t s) -> void;
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auto calculate_spring_forces(threadpool thread_pool = std::nullopt) -> void;
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auto calculate_repulsion_forces(threadpool thread_pool = std::nullopt) -> void;
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auto integrate_velocity(size_t m, float dt) -> void;
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auto integrate_position(size_t m, float dt) -> void;
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auto verlet_update(size_t m, float dt) -> void;
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auto update(float dt, threadpool thread_pool = std::nullopt) -> void;
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auto center_masses(threadpool thread_pool = std::nullopt) -> void;
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};
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#endif |