koobas.hobune.stream
How to use AddForce() on an Instantiated prefab?
I am instantatiating a projectile prefab using this code:
Instantiate (arrow, bow.transform.position, this.transform.rotation);
However, when I use:
arrow.rigidbody2D.AddForce (thisproj.transform.forward * shootforce);
It doesn't work. I figured it's because Unity thinks I am adding force to the actual prefab and not the clone so I tried doing this:
protected GameObject thisproj;
thisproj = Instantiate (arrow, bow.transform.position, this.transform.rotation);
and then :
thisproj.rigidbody2D.AddForce (thisproj.transform.forward * shootforce);
however apparently, Instantiate() returns an Object not GameObject. But, I can't figure out how to use AddForce() on an Object or get Instantiate() to return a GameObject.
Thank You!
Forget the AddForce part. As you wrote, you just need to get the new object as a Transform or GameObject in order to do [some thing] to it.
$$anonymous$$any, many, many examples of doing that on this site. Sure, roberto's answer works. But in general, if you narrow things down to the actual problem, the answer is already here.
Just cast it:
GameObject thisproj = Instantiate (arrow, bow.transform.position, this.transform.rotation) as GameObject;
thisproj.rigidbody2D.AddForce (thisproj.transform.forward * shootforce);
Note using 'thisproj.transform.forward' is not often found in 2D games. If 'arrow' is a sprite, you likely want 'thisproj.transform.right' or possibly 'thisproj.transform.up'.
