c# - how do I make object face player? -

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i've been following various stackoverflow answers, , think found code works, before put code, i've got figure out whether or not how unity knows way "front" of object. 

transform.lookat(target);

i'm trying use above code enemy object face player. when place object scene, how let unity know way front of object? (i.e. place airplane object scene. "i" know way front, "unity" know way front?)

thank in advance.

from https://docs.unity3d.com/scriptreference/transform.lookat.html

rotates transform forward vector points @ /target/'s current position.

from https://docs.unity3d.com/scriptreference/vector3-forward.html

shorthand writing vector3(0, 0, 1).

front same forward vector , forward vector pointing @ object z axis.


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