NazaraEngine/include/Nazara/BulletPhysics3D/BulletPhysWorld3D.hpp

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2.2 KiB
C++

// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - BulletPhysics3D module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_BULLETPHYSICS3D_BULLETPHYSWORLD3D_HPP
#define NAZARA_BULLETPHYSICS3D_BULLETPHYSWORLD3D_HPP
#include <NazaraUtils/Prerequisites.hpp>
#include <Nazara/BulletPhysics3D/Config.hpp>
#include <Nazara/Core/Time.hpp>
#include <Nazara/Math/Box.hpp>
#include <Nazara/Math/Vector3.hpp>
#include <NazaraUtils/FunctionRef.hpp>
#include <NazaraUtils/MovablePtr.hpp>
#include <optional>
class btDynamicsWorld;
class btRigidBody;
namespace Nz
{
class BulletRigidBody3D;
class NAZARA_BULLETPHYSICS3D_API BulletPhysWorld3D
{
friend BulletRigidBody3D;
public:
struct RaycastHit;
BulletPhysWorld3D();
BulletPhysWorld3D(const BulletPhysWorld3D&) = delete;
BulletPhysWorld3D(BulletPhysWorld3D&& ph) = delete;
~BulletPhysWorld3D();
btDynamicsWorld* GetDynamicsWorld();
Vector3f GetGravity() const;
std::size_t GetMaxStepCount() const;
Time GetStepSize() const;
bool RaycastQuery(const Vector3f& from, const Vector3f& to, const FunctionRef<std::optional<float>(const RaycastHit& hitInfo)>& callback);
bool RaycastQueryFirst(const Vector3f& from, const Vector3f& to, RaycastHit* hitInfo = nullptr);
void SetGravity(const Vector3f& gravity);
void SetMaxStepCount(std::size_t maxStepCount);
void SetStepSize(Time stepSize);
void Step(Time timestep);
BulletPhysWorld3D& operator=(const BulletPhysWorld3D&) = delete;
BulletPhysWorld3D& operator=(BulletPhysWorld3D&&) = delete;
struct RaycastHit
{
float fraction;
BulletRigidBody3D* hitBody = nullptr;
Vector3f hitPosition;
Vector3f hitNormal;
};
private:
btRigidBody* AddRigidBody(std::size_t& rigidBodyIndex, FunctionRef<void(btRigidBody* body)> constructor);
void RemoveRigidBody(btRigidBody* rigidBody, std::size_t rigidBodyIndex);
struct BulletWorld;
std::size_t m_maxStepCount;
std::unique_ptr<BulletWorld> m_world;
Vector3f m_gravity;
Time m_stepSize;
Time m_timestepAccumulator;
};
}
#endif // NAZARA_BULLETPHYSICS3D_BULLETPHYSWORLD3D_HPP