ball game, camera problem

Unity Engine
1

hi, I’m creating ball game like switchball.
The ball is rigidbody and if keypressed “w” the ball adds force to Vector3.forward, and I want to go ball from current view(if I rotate camera it goes wrong direction). how to do so that ball movement was depended to camera rotation???

2

should be as simple as camera.main.transform.rotation * Vector3.forward

3

thank you very very much

4

Here’s a code using Camera.main.transform

var speed = 10.0;
var gravitypull = 0;



 function FixedUpdate() {
 rigidbody.AddForce (Vector3(0, gravitypull, 0));
 
 var cameraTransform = Camera.main.transform;

   // Forward vector relative to the camera along the x-z plane   
   var forward = cameraTransform.TransformDirection(Vector3.forward);
   forward.y = 0;
   forward = forward.normalized;

   // Right vector relative to the camera
   // Always orthogonal to the forward vector
   var right = Vector3(forward.z, 0, -forward.x);

 
 if (Input.GetKey ("w")) {
   rigidbody.AddForce(forward * speed * Time.deltaTime);
   }

if (Input.GetKey("s")) {
   rigidbody.AddForce(forward * -speed * Time.deltaTime);
   }
   
if (Input.GetKey ("d")) {
rigidbody.AddForce(right * speed * Time.deltaTime);
}

if (Input.GetKey ("a")) {
rigidbody.AddForce(right * -speed * Time.deltaTime);
}

 }