Resolved Raycast always down, whatever the position of the emitter.

HI
I would like to make a raycast from an object that, whatever its position/rotation, it always point down to hit a ground.
So I put as the first parameter transform.position, but as the second one? I dont know.
When i use -transform.down it points at local, if the rotation of the object change the raycast will change too.
Also tried with Vector3.Down.
What should I put?
Thank you, hope I am clear.

 

Vector3.down is correct.

 

same as PraetorBlue: just Vector3.down to make it work in absolute world coordinates, not transform.down as that will take into account the rotation of the transform (accessible from the gameobject where you're script is at).

 

OK, I saw where my problem was.
The GameObject1 that has the script is in another Gameobject2 which is another GameObject3.
And in first parameter I gave the Transform of the Gameobject3...
So i change, put the Transform of GameObject1, put Vector3.Down, now it works.
Thanks guys!