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SDK: Add components and system for 2D physics

This commit is contained in:
Lynix 2016-11-10 18:31:27 +01:00
parent 48f7a955f6
commit 74f3ac8021
19 changed files with 917 additions and 11 deletions
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2
SDK/include/NDK/Components.hpp
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@ -6,6 +6,7 @@
#define NDK_COMPONENTS_GLOBAL_HPP
#include <NDK/Components/CameraComponent.hpp>
#include <NDK/Components/CollisionComponent2D.hpp>
#include <NDK/Components/CollisionComponent3D.hpp>
#include <NDK/Components/GraphicsComponent.hpp>
#include <NDK/Components/LightComponent.hpp>
@ -13,6 +14,7 @@
#include <NDK/Components/NodeComponent.hpp>
#include <NDK/Components/ParticleEmitterComponent.hpp>
#include <NDK/Components/ParticleGroupComponent.hpp>
#include <NDK/Components/PhysicsComponent2D.hpp>
#include <NDK/Components/PhysicsComponent3D.hpp>
#include <NDK/Components/VelocityComponent.hpp>

58
SDK/include/NDK/Components/CollisionComponent2D.hpp Normal file
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@ -0,0 +1,58 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#pragma once
#ifndef NDK_COMPONENTS_COLLISIONCOMPONENT2D_HPP
#define NDK_COMPONENTS_COLLISIONCOMPONENT2D_HPP
#include <Nazara/Physics2D/Collider2D.hpp>
#include <NDK/Component.hpp>
#include <memory>
namespace Nz
{
class RigidBody2D;
}
namespace Ndk
{
class Entity;
class NDK_API CollisionComponent2D : public Component<CollisionComponent2D>
{
friend class PhysicsSystem2D;
public:
CollisionComponent2D(Nz::Collider2DRef geom = Nz::Collider2DRef());
CollisionComponent2D(const CollisionComponent2D& collision);
~CollisionComponent2D() = default;
const Nz::Collider2DRef& GetGeom() const;
void SetGeom(Nz::Collider2DRef geom);
CollisionComponent2D& operator=(Nz::Collider2DRef geom);
CollisionComponent2D& operator=(CollisionComponent2D&& collision) = default;
static ComponentIndex componentIndex;
private:
void InitializeStaticBody();
Nz::RigidBody2D* GetStaticBody();
void OnAttached() override;
void OnComponentAttached(BaseComponent& component) override;
void OnComponentDetached(BaseComponent& component) override;
void OnDetached() override;
std::unique_ptr<Nz::RigidBody2D> m_staticBody;
Nz::Collider2DRef m_geom;
bool m_bodyUpdated;
};
}
#include <NDK/Components/CollisionComponent2D.inl>
#endif // NDK_COMPONENTS_COLLISIONCOMPONENT2D_HPP

70
SDK/include/NDK/Components/CollisionComponent2D.inl Normal file
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@ -0,0 +1,70 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#include <NDK/Components/CollisionComponent2D.hpp>
#include <NDK/Entity.hpp>
#include <NDK/World.hpp>
#include <NDK/Components/PhysicsComponent2D.hpp>
#include <NDK/Systems/PhysicsSystem2D.hpp>
namespace Ndk
{
/*!
* \brief Constructs a CollisionComponent2D object with a geometry
*
* \param geom Reference to a geometry symbolizing the entity
*/
inline CollisionComponent2D::CollisionComponent2D(Nz::Collider2DRef geom) :
m_geom(std::move(geom)),
m_bodyUpdated(false)
{
}
/*!
* \brief Constructs a CollisionComponent2D object by copy semantic
*
* \param collision CollisionComponent2D to copy
*/
inline CollisionComponent2D::CollisionComponent2D(const CollisionComponent2D& collision) :
m_geom(collision.m_geom),
m_bodyUpdated(false)
{
}
/*!
* \brief Gets the geometry representing the entity
* \return A constant reference to the physics geometry
*/
inline const Nz::Collider2DRef& CollisionComponent2D::GetGeom() const
{
return m_geom;
}
/*!
* \brief Assigns the geometry to this component
* \return A reference to this
*
* \param geom Reference to a geometry symbolizing the entity
*/
inline CollisionComponent2D& CollisionComponent2D::operator=(Nz::Collider2DRef geom)
{
SetGeom(geom);
return *this;
}
/*!
* \brief Gets the static body used by the entity
* \return A pointer to the entity
*/
inline Nz::RigidBody2D* CollisionComponent2D::GetStaticBody()
{
return m_staticBody.get();
}
}

7
SDK/include/NDK/Components/CollisionComponent3D.hpp
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@ -4,8 +4,8 @@
#pragma once
#ifndef NDK_COMPONENTS_COLLISIONCOMPONENT_HPP
#define NDK_COMPONENTS_COLLISIONCOMPONENT_HPP
#ifndef NDK_COMPONENTS_COLLISIONCOMPONENT3D_HPP
#define NDK_COMPONENTS_COLLISIONCOMPONENT3D_HPP
#include <Nazara/Physics3D/Collider3D.hpp>
#include <NDK/Component.hpp>
@ -23,7 +23,6 @@ namespace Ndk
class NDK_API CollisionComponent3D : public Component<CollisionComponent3D>
{
friend class PhysicsSystem3D;
friend class StaticCollisionSystem;
public:
CollisionComponent3D(Nz::Collider3DRef geom = Nz::Collider3DRef());
@ -56,4 +55,4 @@ namespace Ndk
#include <NDK/Components/CollisionComponent3D.inl>
#endif // NDK_COMPONENTS_COLLISIONCOMPONENT_HPP
#endif // NDK_COMPONENTS_COLLISIONCOMPONENT3D_HPP

65
SDK/include/NDK/Components/PhysicsComponent2D.hpp Normal file
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@ -0,0 +1,65 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#pragma once
#ifndef NDK_COMPONENTS_PHYSICSCOMPONENT2D_HPP
#define NDK_COMPONENTS_PHYSICSCOMPONENT2D_HPP
#include <Nazara/Physics2D/RigidBody2D.hpp>
#include <NDK/Component.hpp>
#include <memory>
namespace Ndk
{
class Entity;
class NDK_API PhysicsComponent2D : public Component<PhysicsComponent2D>
{
friend class CollisionComponent2D;
friend class PhysicsSystem2D;
public:
PhysicsComponent2D() = default;
PhysicsComponent2D(const PhysicsComponent2D& physics);
~PhysicsComponent2D() = default;
void AddForce(const Nz::Vector2f& force, Nz::CoordSys coordSys = Nz::CoordSys_Global);
void AddForce(const Nz::Vector2f& force, const Nz::Vector2f& point, Nz::CoordSys coordSys = Nz::CoordSys_Global);
void AddTorque(float torque);
Nz::Rectf GetAABB() const;
float GetAngularVelocity() const;
Nz::Vector2f GetCenterOfGravity(Nz::CoordSys coordSys = Nz::CoordSys_Local) const;
float GetMass() const;
Nz::Vector2f GetPosition() const;
float GetRotation() const;
Nz::Vector2f GetVelocity() const;
bool IsSleeping() const;
void SetAngularVelocity(float angularVelocity);
void SetMass(float mass);
void SetMassCenter(const Nz::Vector2f& center);
void SetPosition(const Nz::Vector2f& position);
void SetRotation(float rotation);
void SetVelocity(const Nz::Vector2f& velocity);
static ComponentIndex componentIndex;
private:
Nz::RigidBody2D& GetRigidBody();
void OnAttached() override;
void OnComponentAttached(BaseComponent& component) override;
void OnComponentDetached(BaseComponent& component) override;
void OnDetached() override;
std::unique_ptr<Nz::RigidBody2D> m_object;
};
}
#include <NDK/Components/PhysicsComponent2D.inl>
#endif // NDK_COMPONENTS_PHYSICSCOMPONENT2D_HPP

284
SDK/include/NDK/Components/PhysicsComponent2D.inl Normal file
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@ -0,0 +1,284 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#include <Nazara/Core/Error.hpp>
#include "PhysicsComponent2D.hpp"
namespace Ndk
{
/*!
* \brief Constructs a PhysicsComponent2D object by copy semantic
*
* \param physics PhysicsComponent2D to copy
*/
inline PhysicsComponent2D::PhysicsComponent2D(const PhysicsComponent2D& physics)
{
// No copy of physical object (because we only create it when attached to an entity)
NazaraUnused(physics);
}
/*!
* \brief Applies a physics force to the entity
*
* \param force Force to apply on the entity
* \param coordSys System coordinates to consider
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::AddForce(const Nz::Vector2f& force, Nz::CoordSys coordSys)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->AddForce(force, coordSys);
}
/*!
* \brief Applies a physics force to the entity
*
* \param force Force to apply on the entity
* \param point Point where to apply the force
* \param coordSys System coordinates to consider
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::AddForce(const Nz::Vector2f& force, const Nz::Vector2f& point, Nz::CoordSys coordSys)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->AddForce(force, point, coordSys);
}
/*!
* \brief Applies a torque to the entity
*
* \param torque Torque to apply on the entity
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::AddTorque(float torque)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->AddTorque(torque);
}
/*!
* \brief Gets the AABB of the physics object
* \return AABB of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline Nz::Rectf PhysicsComponent2D::GetAABB() const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetAABB();
}
/*!
* \brief Gets the angular velocity of the physics object
* \return Angular velocity of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline float PhysicsComponent2D::GetAngularVelocity() const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetAngularVelocity();
}
/*!
* \brief Gets the gravity center of the physics object
* \return Gravity center of the object
*
* \param coordSys System coordinates to consider
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline Nz::Vector2f PhysicsComponent2D::GetCenterOfGravity(Nz::CoordSys coordSys) const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetCenterOfGravity(coordSys);
}
/*!
* \brief Gets the mass of the physics object
* \return Mass of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline float PhysicsComponent2D::GetMass() const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetMass();
}
/*!
* \brief Gets the position of the physics object
* \return Position of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline Nz::Vector2f PhysicsComponent2D::GetPosition() const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetPosition();
}
/*!
* \brief Gets the rotation of the physics object
* \return Rotation of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline float PhysicsComponent2D::GetRotation() const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetRotation();
}
/*!
* \brief Gets the velocity of the physics object
* \return Velocity of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline Nz::Vector2f PhysicsComponent2D::GetVelocity() const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->GetVelocity();
}
/*!
* \brief Checks whether the entity is currently sleeping
* \return true If it is the case
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline bool PhysicsComponent2D::IsSleeping() const
{
NazaraAssert(m_object, "Invalid physics object");
return m_object->IsSleeping();
}
/*!
* \brief Sets the angular velocity of the physics object
*
* \param angularVelocity Angular velocity of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::SetAngularVelocity(float angularVelocity)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->SetAngularVelocity(angularVelocity);
}
/*!
* \brief Sets the mass of the physics object
*
* \param mass Mass of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
* \remark Produces a NazaraAssert if the mass is negative
*/
inline void PhysicsComponent2D::SetMass(float mass)
{
NazaraAssert(m_object, "Invalid physics object");
NazaraAssert(mass > 0.f, "Mass should be positive");
m_object->SetMass(mass);
}
/*!
* \brief Sets the gravity center of the physics object
*
* \param center Gravity center of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::SetMassCenter(const Nz::Vector2f& center)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->SetMassCenter(center);
}
/*!
* \brief Sets the position of the physics object
*
* \param position Position of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::SetPosition(const Nz::Vector2f& position)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->SetPosition(position);
}
/*!
* \brief Sets the rotation of the physics object
*
* \param rotation Rotation of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::SetRotation(float rotation)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->SetRotation(rotation);
}
/*!
* \brief Sets the velocity of the physics object
*
* \param velocity Velocity of the object
*
* \remark Produces a NazaraAssert if the physics object is invalid
*/
inline void PhysicsComponent2D::SetVelocity(const Nz::Vector2f& velocity)
{
NazaraAssert(m_object, "Invalid physics object");
m_object->SetVelocity(velocity);
}
/*!
* \brief Gets the underlying physics object
* \return A reference to the physics object
*/
inline Nz::RigidBody2D& PhysicsComponent2D::GetRigidBody()
{
return *m_object.get();
}
}

2
SDK/include/NDK/Components/PhysicsComponent3D.hpp
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@ -56,7 +56,7 @@ namespace Ndk
static ComponentIndex componentIndex;
private:
Nz::RigidBody3D& GetPhysObject();
Nz::RigidBody3D& GetRigidBody();
void OnAttached() override;
void OnComponentAttached(BaseComponent& component) override;

2
SDK/include/NDK/Components/PhysicsComponent3D.inl
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@ -350,7 +350,7 @@ namespace Ndk
* \return A reference to the physics object
*/
inline Nz::RigidBody3D& PhysicsComponent3D::GetPhysObject()
inline Nz::RigidBody3D& PhysicsComponent3D::GetRigidBody()
{
return *m_object.get();
}

1
SDK/include/NDK/Systems.hpp
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@ -7,6 +7,7 @@
#include <NDK/Systems/ListenerSystem.hpp>
#include <NDK/Systems/ParticleSystem.hpp>
#include <NDK/Systems/PhysicsSystem2D.hpp>
#include <NDK/Systems/PhysicsSystem3D.hpp>
#include <NDK/Systems/RenderSystem.hpp>
#include <NDK/Systems/VelocitySystem.hpp>

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SDK/include/NDK/Systems/PhysicsSystem2D.hpp Normal file
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@ -0,0 +1,42 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#pragma once
#ifndef NDK_SYSTEMS_PHYSICSSYSTEM2D_HPP
#define NDK_SYSTEMS_PHYSICSSYSTEM2D_HPP
#include <Nazara/Physics2D/PhysWorld2D.hpp>
#include <NDK/EntityList.hpp>
#include <NDK/System.hpp>
#include <memory>
namespace Ndk
{
class NDK_API PhysicsSystem2D : public System<PhysicsSystem2D>
{
public:
PhysicsSystem2D();
PhysicsSystem2D(const PhysicsSystem2D& system);
~PhysicsSystem2D() = default;
Nz::PhysWorld2D& GetWorld();
const Nz::PhysWorld2D& GetWorld() const;
static SystemIndex systemIndex;
private:
void CreatePhysWorld() const;
void OnEntityValidation(Entity* entity, bool justAdded) override;
void OnUpdate(float elapsedTime) override;
EntityList m_dynamicObjects;
EntityList m_staticObjects;
mutable std::unique_ptr<Nz::PhysWorld2D> m_world; ///TODO: std::optional (Should I make a Nz::Optional class?)
};
}
#include <NDK/Systems/PhysicsSystem2D.inl>
#endif // NDK_SYSTEMS_PHYSICSSYSTEM2D_HPP

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SDK/include/NDK/Systems/PhysicsSystem2D.inl Normal file
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@ -0,0 +1,32 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
namespace Ndk
{
/*!
* \brief Gets the physical world
* \return A reference to the physical world
*/
inline Nz::PhysWorld2D& PhysicsSystem2D::GetWorld()
{
if (!m_world)
CreatePhysWorld();
return *m_world;
}
/*!
* \brief Gets the physical world
* \return A constant reference to the physical world
*/
inline const Nz::PhysWorld2D& PhysicsSystem2D::GetWorld() const
{
if (!m_world)
CreatePhysWorld();
return *m_world;
}
}

108
SDK/src/NDK/Components/CollisionComponent2D.cpp Normal file
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@ -0,0 +1,108 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#include <NDK/Components/CollisionComponent2D.hpp>
#include <Nazara/Physics2D/RigidBody2D.hpp>
#include <NDK/Algorithm.hpp>
#include <NDK/World.hpp>
#include <NDK/Components/PhysicsComponent2D.hpp>
#include <NDK/Systems/PhysicsSystem2D.hpp>
namespace Ndk
{
/*!
* \ingroup NDK
* \class Ndk::CollisionComponent2D
* \brief NDK class that represents a two-dimensional collision geometry
*/
/*!
* \brief Sets geometry for the entity
*
* \param geom Geometry used for collisions
*
* \remark Produces a NazaraAssert if the entity has no physics component and has no static body
*/
void CollisionComponent2D::SetGeom(Nz::Collider2DRef geom)
{
m_geom = std::move(geom);
if (m_entity->HasComponent<PhysicsComponent2D>())
{
// We update the geometry of the PhysiscsObject linked to the PhysicsComponent2D
PhysicsComponent2D& physComponent = m_entity->GetComponent<PhysicsComponent2D>();
physComponent.GetRigidBody().SetGeom(m_geom);
}
else
{
NazaraAssert(m_staticBody, "An entity without physics component should have a static body");
m_staticBody->SetGeom(m_geom);
}
}
/*!
* \brief Initializes the static body
*
* \remark Produces a NazaraAssert if entity is invalid
* \remark Produces a NazaraAssert if entity is not linked to a world, or the world has no physics system
*/
void CollisionComponent2D::InitializeStaticBody()
{
NazaraAssert(m_entity, "Invalid entity");
World* entityWorld = m_entity->GetWorld();
NazaraAssert(entityWorld, "Entity must have world");
NazaraAssert(entityWorld->HasSystem<PhysicsSystem2D>(), "World must have a physics system");
Nz::PhysWorld2D& physWorld = entityWorld->GetSystem<PhysicsSystem2D>().GetWorld();
m_staticBody.reset(new Nz::RigidBody2D(&physWorld, m_geom));
}
/*!
* \brief Operation to perform when component is attached to an entity
*/
void CollisionComponent2D::OnAttached()
{
if (!m_entity->HasComponent<PhysicsComponent2D>())
InitializeStaticBody();
}
/*!
* \brief Operation to perform when component is attached to this component
*
* \param component Component being attached
*/
void CollisionComponent2D::OnComponentAttached(BaseComponent& component)
{
if (IsComponent<PhysicsComponent2D>(component))
m_staticBody.reset();
}
/*!
* \brief Operation to perform when component is detached from this component
*
* \param component Component being detached
*/
void CollisionComponent2D::OnComponentDetached(BaseComponent& component)
{
if (IsComponent<PhysicsComponent2D>(component))
InitializeStaticBody();
}
/*!
* \brief Operation to perform when component is detached from an entity
*/
void CollisionComponent2D::OnDetached()
{
m_staticBody.reset();
}
ComponentIndex CollisionComponent2D::componentIndex;
}

2
SDK/src/NDK/Components/CollisionComponent3D.cpp
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@ -33,7 +33,7 @@ namespace Ndk
{
// We update the geometry of the PhysiscsObject linked to the PhysicsComponent3D
PhysicsComponent3D& physComponent = m_entity->GetComponent<PhysicsComponent3D>();
physComponent.GetPhysObject().SetGeom(m_geom);
physComponent.GetRigidBody().SetGeom(m_geom);
}
else
{

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SDK/src/NDK/Components/PhysicsComponent2D.cpp Normal file
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@ -0,0 +1,92 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#include <NDK/Components/PhysicsComponent2D.hpp>
#include <Nazara/Physics2D/RigidBody2D.hpp>
#include <NDK/Algorithm.hpp>
#include <NDK/World.hpp>
#include <NDK/Components/CollisionComponent2D.hpp>
#include <NDK/Components/NodeComponent.hpp>
#include <NDK/Systems/PhysicsSystem3D.hpp>
namespace Ndk
{
/*!
* \ingroup NDK
* \class Ndk::PhysicsComponent2D
* \brief NDK class that represents a physics point, without any collision
*/
/*!
* \brief Operation to perform when component is attached to an entity
*
* \remark Produces a NazaraAssert if the world does not have a physics system
*/
void PhysicsComponent2D::OnAttached()
{
World* entityWorld = m_entity->GetWorld();
NazaraAssert(entityWorld->HasSystem<PhysicsSystem2D>(), "World must have a 2D physics system");
Nz::PhysWorld2D& world = entityWorld->GetSystem<PhysicsSystem2D>().GetWorld();
Nz::Collider2DRef geom;
if (m_entity->HasComponent<CollisionComponent2D>())
geom = m_entity->GetComponent<CollisionComponent2D>().GetGeom();
Nz::Matrix4f matrix;
if (m_entity->HasComponent<NodeComponent>())
matrix = m_entity->GetComponent<NodeComponent>().GetTransformMatrix();
else
matrix.MakeIdentity();
m_object.reset(new Nz::RigidBody2D(&world, 1.f, geom));
m_object->SetPosition(Nz::Vector2f(matrix.GetTranslation()));
}
/*!
* \brief Operation to perform when component is attached to this component
*
* \param component Component being attached
*
* \remark Produces a NazaraAssert if physical object is invalid
*/
void PhysicsComponent2D::OnComponentAttached(BaseComponent& component)
{
if (IsComponent<CollisionComponent2D>(component))
{
NazaraAssert(m_object, "Invalid object");
m_object->SetGeom(static_cast<CollisionComponent2D&>(component).GetGeom());
}
}
/*!
* \brief Operation to perform when component is detached from this component
*
* \param component Component being detached
*
* \remark Produces a NazaraAssert if physical object is invalid
*/
void PhysicsComponent2D::OnComponentDetached(BaseComponent& component)
{
if (IsComponent<CollisionComponent2D>(component))
{
NazaraAssert(m_object, "Invalid object");
m_object->SetGeom(Nz::NullCollider2D::New());
}
}
/*!
* \brief Operation to perform when component is detached from an entity
*/
void PhysicsComponent2D::OnDetached()
{
m_object.reset();
}
ComponentIndex PhysicsComponent2D::componentIndex;
}

13
SDK/src/NDK/Sdk.cpp
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@ -9,14 +9,18 @@
#include <Nazara/Graphics/Graphics.hpp>
#include <Nazara/Lua/Lua.hpp>
#include <Nazara/Noise/Noise.hpp>
#include <Nazara/Physics2D/Physics2D.hpp>
#include <Nazara/Physics3D/Physics3D.hpp>
#include <Nazara/Utility/Utility.hpp>
#include <NDK/Algorithm.hpp>
#include <NDK/BaseSystem.hpp>
#include <NDK/Components/CollisionComponent2D.hpp>
#include <NDK/Components/CollisionComponent3D.hpp>
#include <NDK/Components/NodeComponent.hpp>
#include <NDK/Components/PhysicsComponent2D.hpp>
#include <NDK/Components/PhysicsComponent3D.hpp>
#include <NDK/Components/VelocityComponent.hpp>
#include <NDK/Systems/PhysicsSystem2D.hpp>
#include <NDK/Systems/PhysicsSystem3D.hpp>
#include <NDK/Systems/VelocitySystem.hpp>
@ -68,6 +72,7 @@ namespace Ndk
Nz::Lua::Initialize();
Nz::Noise::Initialize();
Nz::Physics2D::Initialize();
Nz::Physics3D::Initialize();
Nz::Utility::Initialize();
@ -83,9 +88,11 @@ namespace Ndk
BaseComponent::Initialize();
// Shared components
InitializeComponent<CollisionComponent3D>("NdkColli");
InitializeComponent<CollisionComponent2D>("NdkColl2");
InitializeComponent<CollisionComponent3D>("NdkColl3");
InitializeComponent<NodeComponent>("NdkNode");
InitializeComponent<PhysicsComponent3D>("NdkPhys");
InitializeComponent<PhysicsComponent2D>("NdkPhys2");
InitializeComponent<PhysicsComponent3D>("NdkPhys3");
InitializeComponent<VelocityComponent>("NdkVeloc");
#ifndef NDK_SERVER
@ -103,6 +110,7 @@ namespace Ndk
BaseSystem::Initialize();
// Shared systems
InitializeSystem<PhysicsSystem2D>();
InitializeSystem<PhysicsSystem3D>();
InitializeSystem<VelocitySystem>();
@ -161,6 +169,7 @@ namespace Ndk
// Shared modules
Nz::Lua::Uninitialize();
Nz::Noise::Uninitialize();
Nz::Physics2D::Uninitialize();
Nz::Physics3D::Uninitialize();
Nz::Utility::Uninitialize();

140
SDK/src/NDK/Systems/PhysicsSystem2D.cpp Normal file
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@ -0,0 +1,140 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#include <NDK/Systems/PhysicsSystem2D.hpp>
#include <Nazara/Physics2D/RigidBody2D.hpp>
#include <NDK/Components/CollisionComponent2D.hpp>
#include <NDK/Components/NodeComponent.hpp>
#include <NDK/Components/PhysicsComponent2D.hpp>
#include <NDK/Components/PhysicsComponent3D.hpp>
namespace Ndk
{
/*!
* \ingroup NDK
* \class Ndk::PhysicsSystem2D
* \brief NDK class that represents a two-dimensional physics system
*
* \remark This system is enabled if the entity has the trait: NodeComponent and any of these two: CollisionComponent3D or PhysicsComponent3D
* \remark Static objects do not have a velocity specified by the physical engine
*/
/*!
* \brief Constructs an PhysicsSystem object by default
*/
PhysicsSystem2D::PhysicsSystem2D()
{
Requires<NodeComponent>();
RequiresAny<CollisionComponent2D, PhysicsComponent2D>();
Excludes<PhysicsComponent3D>();
}
/*!
* \brief Constructs a PhysicsSystem object by copy semantic
*
* \param system PhysicsSystem to copy
*/
PhysicsSystem2D::PhysicsSystem2D(const PhysicsSystem2D& system) :
System(system),
m_world()
{
}
void PhysicsSystem2D::CreatePhysWorld() const
{
NazaraAssert(!m_world, "Physics world should not be created twice");
m_world = std::make_unique<Nz::PhysWorld2D>();
}
/*!
* \brief Operation to perform when entity is validated for the system
*
* \param entity Pointer to the entity
* \param justAdded Is the entity newly added
*/
void PhysicsSystem2D::OnEntityValidation(Entity* entity, bool justAdded)
{
// It's possible our entity got revalidated because of the addition/removal of a PhysicsComponent3D
if (!justAdded)
{
// We take the opposite array from which the entity should belong to
auto& entities = (entity->HasComponent<PhysicsComponent2D>()) ? m_staticObjects : m_dynamicObjects;
entities.Remove(entity);
}
auto& entities = (entity->HasComponent<PhysicsComponent2D>()) ? m_dynamicObjects : m_staticObjects;
entities.Insert(entity);
if (!m_world)
CreatePhysWorld();
}
/*!
* \brief Operation to perform when system is updated
*
* \param elapsedTime Delta time used for the update
*/
void PhysicsSystem2D::OnUpdate(float elapsedTime)
{
if (!m_world)
return;
m_world->Step(elapsedTime);
for (const Ndk::EntityHandle& entity : m_dynamicObjects)
{
NodeComponent& node = entity->GetComponent<NodeComponent>();
PhysicsComponent2D& phys = entity->GetComponent<PhysicsComponent2D>();
Nz::RigidBody2D& body = phys.GetRigidBody();
node.SetRotation(Nz::EulerAnglesf(0.f, 0.f, body.GetRotation()), Nz::CoordSys_Global);
node.SetPosition(Nz::Vector3f(body.GetPosition(), node.GetPosition(Nz::CoordSys_Global).z), Nz::CoordSys_Global);
}
float invElapsedTime = 1.f / elapsedTime;
for (const Ndk::EntityHandle& entity : m_staticObjects)
{
CollisionComponent2D& collision = entity->GetComponent<CollisionComponent2D>();
NodeComponent& node = entity->GetComponent<NodeComponent>();
Nz::RigidBody2D* body = collision.GetStaticBody();
Nz::Vector2f oldPosition = body->GetPosition();
Nz::Vector2f newPosition = Nz::Vector2f(node.GetPosition(Nz::CoordSys_Global));
// To move static objects and ensure their collisions, we have to specify them a velocity
// (/!\: the physical motor does not apply the speed on static objects)
if (newPosition != oldPosition)
{
body->SetPosition(newPosition);
body->SetVelocity((newPosition - oldPosition) * invElapsedTime);
}
else
body->SetVelocity(Nz::Vector2f::Zero());
/*
if (newRotation != oldRotation)
{
Nz::Quaternionf transition = newRotation * oldRotation.GetConjugate();
Nz::EulerAnglesf angles = transition.ToEulerAngles();
Nz::Vector3f angularVelocity(Nz::ToRadians(angles.pitch * invElapsedTime),
Nz::ToRadians(angles.yaw * invElapsedTime),
Nz::ToRadians(angles.roll * invElapsedTime));
physObj->SetRotation(oldRotation);
physObj->SetAngularVelocity(angularVelocity);
}
else
physObj->SetAngularVelocity(Nz::Vector3f::Zero());
*/
}
}
SystemIndex PhysicsSystem2D::systemIndex;
}

4
SDK/src/NDK/Systems/PhysicsSystem3D.cpp
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@ -6,6 +6,7 @@
#include <Nazara/Physics3D/RigidBody3D.hpp>
#include <NDK/Components/CollisionComponent3D.hpp>
#include <NDK/Components/NodeComponent.hpp>
#include <NDK/Components/PhysicsComponent2D.hpp>
#include <NDK/Components/PhysicsComponent3D.hpp>
namespace Ndk
@ -27,6 +28,7 @@ namespace Ndk
{
Requires<NodeComponent>();
RequiresAny<CollisionComponent3D, PhysicsComponent3D>();
Excludes<PhysicsComponent2D>();
}
/*!
@ -90,7 +92,7 @@ namespace Ndk
NodeComponent& node = entity->GetComponent<NodeComponent>();
PhysicsComponent3D& phys = entity->GetComponent<PhysicsComponent3D>();
Nz::RigidBody3D& physObj = phys.GetPhysObject();
Nz::RigidBody3D& physObj = phys.GetRigidBody();
node.SetRotation(physObj.GetRotation(), Nz::CoordSys_Global);
node.SetPosition(physObj.GetPosition(), Nz::CoordSys_Global);
}

2
SDK/src/NDK/World.cpp
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@ -5,6 +5,7 @@
#include <NDK/World.hpp>
#include <Nazara/Core/Error.hpp>
#include <NDK/BaseComponent.hpp>
#include <NDK/Systems/PhysicsSystem2D.hpp>
#include <NDK/Systems/PhysicsSystem3D.hpp>
#include <NDK/Systems/VelocitySystem.hpp>
@ -40,6 +41,7 @@ namespace Ndk
void World::AddDefaultSystems()
{
AddSystem<PhysicsSystem2D>();
AddSystem<PhysicsSystem3D>();
AddSystem<VelocitySystem>();

2
include/Nazara/Physics2D/RigidBody2D.hpp
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@ -60,7 +60,7 @@ namespace Nz
RigidBody2D& operator=(RigidBody2D&& object);
private:
void Create(float mass = 0.f, float moment = 0.f);
void Create(float mass = 1.f, float moment = 1.f);
void Destroy();
std::vector<cpShape*> m_shapes;