* Update
* Add: [Get/Set]AngularDaming for standardization
* Fix: Name error
* Add: [Get/Set][AngularDamping/MomentOfInertia] in PhysicsComponent2D
* Forgot in last commit
* Add: param coordSys in [PhysicsComponent2D/RigidBody2D]::SetMassCenter
* Add: Some forgotten inline
* Fix little error
* Fix: Indentation before case
* Move and Change GetCenterOfGravity
* Rename m_world into m_physWorld
* Rename GetWorld int GetPhysWorld
* Update: PhysicsSystem2D became an interface of PhysWorld2D
* Update Collison/PhysicsComponent because GetWorld was renamed
* Update tests
* Update: Make the interface usable with Entity instead of PhysicsComponent
* Update: Make GetPhysWorld private
* Update PhysicsSystem2D.hpp
* Update: indent
* Remove: useless blank line
* update order(?)
* Update PhysicsSystem2D.hpp
* Add calls to GetPhysWorld to attempt a nullptr value
* update include
* little fix
* add some missing inline
* Fix
* Make all component inherits of HandledObject
* fix: compilation error
* Add Handle alias for all Components
* forgot in last commit
The entity must have a ParticleEmitterComponent
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