hold_items
using UnityEngine;
using System.Collections;
public class HoldItems : MonoBehaviour {
public float speed = 10;
public bool canHold = true;
public GameObject ball;
public Transform guide;
void Update()
{
if (Input.GetMouseButtonDown(0))
{
if (!canHold)
throw_drop();
else
Pickup();
}//mause If
if (!canHold && ball)
ball.transform.position = guide.position;
}//update
//We can use trigger or Collision
void OnTriggerEnter(Collider col)
{
if (col.gameObject.tag == "ball")
if (!ball) // if we don't have anything holding
ball = col.gameObject;
}
//We can use trigger or Collision
void OnTriggerExit(Collider col)
{
if (col.gameObject.tag == "ball")
{
if (canHold)
ball = null;
}
}
private void Pickup()
{
if (!ball)
return;
//We set the object parent to our guide empty object.
ball.transform.SetParent(guide);
//Set gravity to false while holding it
ball.GetComponent<Rigidbody>().useGravity = false;
//we apply the same rotation our main object (Camera) has.
ball.transform.localRotation = transform.rotation;
//We re-position the ball on our guide object
ball.transform.position = guide.position;
canHold = false;
}
private void throw_drop()
{
if (!ball)
return;
//Set our Gravity to true again.
ball.GetComponent<Rigidbody>().useGravity = true;
// we don't have anything to do with our ball field anymore
ball = null;
//Apply velocity on throwing
guide.GetChild(0).gameObject.GetComponent<Rigidbody>().velocity = transform.forward * speed;
//Unparent our ball
guide.GetChild(0).parent = null;
canHold = true; }
}//class