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Question by niceperson87 · Apr 16, 2011 at 04:54 PM · cameraraycastfpsshooter

Unrealistic Fps Shooting?

Right now, I added this code to my camera

function Update() {

if(Input.GetMouseButton(0))

{ var forward = transform.TransformDirection(Vector3.forward); var hitInfo : RaycastHit; if (Physics.Raycast (transform.position, forward, hitInfo, 1000)) {hitInfo.rigidbody.AddForce (forward * 50); } }

This isn't good because it just tells the rigidbody to go the opposite direction where ever the bullet hit it. I want the rigidbody to react as if a bullet rigidbody hit it. How can i do this? Thanks!

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Answer by Kourosh · Apr 16, 2011 at 05:02 PM

Try AddForceAtPosition instead of AddForce and place the hit position in its argument. Now you are adding force at the pivot, no matter where the bullet hits.

http://unity3d.com/support/documentation/ScriptReference/Rigidbody.AddForceAtPosition.html

Edit:

if(Input.GetMouseButton(0))

{ var forward = transform.TransformDirection(Vector3.forward);

var hitInfo : RaycastHit;

if (Physics.Raycast (transform.position, forward, hitInfo, 1000)) {

 var hitDirection:Vector3 = (hitInfo.point - transform.position).normalized; // the bullet direction. 

hitInfo.rigidbody.AddForceAtPosition (hitInfo.point,hitDirection * 50);

} }

the hit direction is multiplied by 50. I'm not sure but that could be a great force. depends on your object as well.

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avatar image niceperson87 · Apr 16, 2011 at 05:19 PM 0
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Thank you! but it says unknown identifier"Body"

avatar image Kourosh · Apr 16, 2011 at 05:29 PM 0
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because you need to pass the hitInfo.transform.position to the AddForceAtPosition. Is this what you are doing?

avatar image Kourosh · Apr 16, 2011 at 05:36 PM 1
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my mistake fix: hitInfo.transform.point

avatar image niceperson87 · Apr 16, 2011 at 06:31 PM 0
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no what do you mean by passing the hitinfo.transform.position? How i do this?

avatar image niceperson87 · Apr 16, 2011 at 06:58 PM 0
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ok thank you it says that point is point is not a member of unity.transform?

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