using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Ball : MonoBehaviour {


    public ControllerGrabObject connectedController;//(not used for anything yet, but might become useful)  use:  if(connectedController) //returns true if this ball is connected to a controller

    Rigidbody rb;



    private void Start() {
        rb=GetComponent<Rigidbody>();
    }



    void OnTriggerEnter(Collider otherCol)
    {
        //if(is "GRAB" button is pressed? ){//TODO!

       ControllerGrabObject grabObj=otherCol.transform.root.GetComponent<ControllerGrabObject>();

        if(grabObj){//does this collider have a ControllerGrabObject component?  if so, assign it!
            connectedController=grabObj;
            transform.parent=connectedController.transform;//become a child of this controller!
            rb.isKinematic=true; // while held by controller, do NOT run physics (setting true means we will control its kinetic motion MANUALLY via its transform
        }

        //}
    }


   public  void throwFromController(Vector3 throwForce) //call this function when player pressed THROW button!
    {
        connectedController=null;
        transform.parent=null;// return to world space

        rb.isKinematic=false;//Activate Unity Physics again!
        rb.velocity=throwForce;//THROW!

    }


}