-SRCS += entityManager.cpp
-SRCS += effectManager.cpp
-SRCS += entityCreator.cpp
-SRCS += collisionHandler.cpp
-SRCS += CollisionInfo.cpp
-
-SRCS += Entities/Ball.cpp
-SRCS += Entities/Entity.cpp
-SRCS += Entities/Line.cpp
-SRCS += Entities/Particle.cpp
-SRCS += Entities/PhysicsEntity.cpp
-SRCS += Entities/Point.cpp
-SRCS += Entities/Polygon.cpp
-SRCS += Entities/WindParticle.cpp