place an object between two vectors?

Question

Hello there.

I'm playing around with vector3's. I got an object A placed somewhere in my level, and an Object B at another position.

Now I have a third object. I want this third object to move along the imaginary line between point A and point B using a float that goes from 0 to 1. 1 means it's at point B, 0 means it's at point A.

so a value of 0.5 should place the third object exactly in the middle of A and B.

It's some basic stuff, but I can't get it to work!!

Ideas? Thanks so much.

Answer 1

Best Answer

Answer by Hellium · Nov 17, 2017 at 07:01 PM

You are looking for the Lerp (Linear Interpolation) function.

 Vector3 pointA = objectA.transform.position // Position of objectA
 Vector3 pointB = objectB.transform.position // Position of objectB
 float a = 0.5f ; // A value between 0 and 1
 Vector3 pointC = Vector3.Lerp( pointA, pointB, a ) ;

Here is the link to the documentation :

https://docs.unity3d.com/ScriptReference/Vector3.Lerp.html

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