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SDK: Add components and system for 2D physics

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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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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
{

92
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;
}