ALL I GOT IS THIS :
using UnityEngine;
using System.Collections;
public class MarbleControl : MonoBehaviour {
public float movementSpeed = 6.0f;
void Update () {
Vector3 movement = (Input.GetAxis("Horizontal") * -Vector3.left * movementSpeed) + (Input.GetAxis("Vertical") * Vector3.forward *movementSpeed);
rigidbody.AddForce(movement, ForceMode.Force);
}
void OnTriggerEnter (Collider other ) {
if (other.tag == "Pickup")
{
MarbleGameManager.SP.FoundGem();
Destroy(other.gameObject);
}
else
{
//Other collider.. See other.tag and other.name
}
}
}