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

[RequireComponent(typeof(Rigidbody))]
public class Item : MonoBehaviour {
    [Header("Runtime values")]
    public bool Grabbed = false;

    private Rigidbody Body;
    private Transform World;

    private void Awake() {
        Body = GetComponent<Rigidbody>();
        World = GameObject.FindGameObjectWithTag("World").transform;
    }

    private void Update() {
        if (Grabbed) {
            transform.localPosition = Vector3.Lerp(transform.localPosition, Vector3.zero, 10f * Time.deltaTime);
            transform.localRotation = Quaternion.Slerp(transform.localRotation, Quaternion.identity, 10f * Time.deltaTime);
        }
    }

    public void PickUp(Transform handTransform) {
        transform.parent = handTransform;
        Body.isKinematic = true;
        Grabbed = true;
    }

    public void Drop(Vector3 throwVector) {
        transform.parent = World;
        Body.isKinematic = false;
        Body.AddForce(throwVector, ForceMode.VelocityChange);
        Grabbed = false;
    }
}