Sword Skill issue

Something that's been annoying me about the new sword skills (specifically single longsword)Is that I don't know how far the sword skill will go
Whenever I use my sword skill (sweeping strike) I sometimes miss because i'm not close enough to the enemy, and whenever I try to use whirlwind spin (dual wield sword skill) I barely ever actually hit the enemies because I don't know how far it goes
I don't use katanas but i'm sure that the people who do sometimes miss there sword skill because there not close enough
Same thing for rapiers, you can't know how far you would go, so if the devs are reading this, would you add some sort of red hologram when you hold your sword skill showing how far the sword skill will go? (e.g show how far you would go forward when you hold the button for the rapier sword skill)