This UmLet is made to show the variables and results of the ShootProjectile code, which is the first part of the shooting mechanic.
_range is the maximum distance the projectile can go
_damage represents how much an object that is hit will be affected by the projectile
_trajectory is the direction the ray goes detecting what the projectile hits
_shotMask determines what layers can be shot
_bullet provide the visual feedback of the projectile by using a LineRenderer