christoph/cpp-masssprings
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implement very slow puzzle space exploration

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This commit is contained in:
Christoph Urlacher
2026-03-04 19:08:16 +01:00
parent 2d111f58da
commit c9915852db
26 changed files with 1438 additions and 697 deletions
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25
include/mass_spring_system.hpp
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@ -4,6 +4,7 @@
#include "octree.hpp"
#include "config.hpp"
#include <optional>
#include <raylib.h>
class mass_spring_system
@ -20,11 +21,6 @@ public:
: a(_a), b(_b) {}
};
private:
#ifdef THREADPOOL
BS::thread_pool<> threads;
#endif
public:
static constexpr int SMALL_TASK_BLOCK_SIZE = 256;
static constexpr int LARGE_TASK_BLOCK_SIZE = 256;
@ -40,22 +36,13 @@ public:
std::vector<spring> springs;
public:
mass_spring_system()
#ifdef THREADPOOL
: threads(std::thread::hardware_concurrency() - 2, set_mass_springs_pool_thread_name)
#endif
{}
mass_spring_system() {}
mass_spring_system(const mass_spring_system& copy) = delete;
auto operator=(const mass_spring_system& copy) -> mass_spring_system& = delete;
mass_spring_system(mass_spring_system& move) = delete;
auto operator=(mass_spring_system&& move) -> mass_spring_system& = delete;
private:
#ifdef THREADPOOL
static auto set_mass_springs_pool_thread_name(size_t idx) -> void;
#endif
public:
auto clear() -> void;
auto add_mass() -> void;
@ -63,14 +50,14 @@ public:
auto clear_forces() -> void;
auto calculate_spring_force(size_t s) -> void;
auto calculate_spring_forces() -> void;
auto calculate_repulsion_forces() -> void;
auto calculate_spring_forces(std::optional<BS::thread_pool<>* const> thread_pool = std::nullopt) -> void;
auto calculate_repulsion_forces(std::optional<BS::thread_pool<>* const> thread_pool = std::nullopt) -> void;
auto integrate_velocity(size_t m, float dt) -> void;
auto integrate_position(size_t m, float dt) -> void;
auto verlet_update(size_t m, float dt) -> void;
auto update(float dt) -> void;
auto update(float dt, std::optional<BS::thread_pool<>* const> thread_pool = std::nullopt) -> void;
auto center_masses() -> void;
auto center_masses(std::optional<BS::thread_pool<>* const> thread_pool = std::nullopt) -> void;
};
#endif