Spawn Mob in Front of the player

Hello, and sorry for second thread today.
I know how to spawn mob at players location.
But when the player is walking, he will not see the mob.
Is it possible to spawn mob like 3 block in front of the player?
I tried to use subtract(), but I don't know, if the player is looking to x or z.
Can you help me?
I know it will possibly be easy as a slap, but I am noob .
Thank you

 

I am sure there is a method that goes something like

player.getDirection()

and then you could do

player.getDirection().add(3)

Please excuse me if I am wrong.

Keir

 

I don't know where is problem

Yes, now i understood, it is for Location, but .add(3) is not working

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

Location location = player.getLocation().toVector().add(player.getLocation().getDirection().multiply(3)).toLocation(player.getWorld());

 

Wow, thanks! I will not try to understand this .
And I Love your plugin BookWorm

 

It's really not hard to understand. Breaking it up into multiple lines might make it clearer:

Code:

Vector vec = player.getLocation().toVector(); // get player's location vector
Vector dir = player.getLocation().getDirection(); // get player's facing
vec = vec.add(dir.multiply(3)); // add player's direction * 3 to the location (getting ~3 blocks in front of player)
Location location = vec.toLocation(player.getWorld()); // convert back to location

 

Yes, Finally understood man, thanks for patience

 

Wow, I was slightly right