Rassification du code pour projectiles et bats

projet-code/scenes_inf443/base/src/ball.cpp

projet-code/scenes_inf443/base/src/ball.hpp

projet-code/scenes_inf443/base/src/bat.cpp

projet-code/scenes_inf443/base/src/bat.hpp

projet-code/scenes_inf443/base/src/bats.cpp

projet-code/scenes_inf443/base/src/bats.hpp

projet-code/scenes_inf443/base/src/projectile.cpp

projet-code/scenes_inf443/base/src/projectile.hpp

projet-code/scenes_inf443/base/src/projectiles.cpp

projet-code/scenes_inf443/base/src/projectiles.hpp

projet-code/scenes_inf443/base/src/scene.cpp

projet-code/scenes_inf443/base/src/scene.hpp

projet-code/scenes_inf443/base/src/terrain.cpp

projet-code/scenes_inf443/base/src/terrain.hpp