Break a wall

Shooter.cs

using UnityEngine;
using System.Collections;

public class Shooter : MonoBehaviour {

	public Rigidbody bullet; 
	public float power = 1500f;
	public float moveSpeed = 2f;	
	// Update is called once per frame
	void Update () {

		float h = Input.GetAxis("Horizontal") * Time.deltaTime *
		moveSpeed;

		float v = Input.GetAxis("Vertical") * Time.deltaTime *
		moveSpeed;

		//The transofrm attached to the game object
		//This is the camera because we dropped it onto the main cam

		transform.Translate(h,v,0);

		if (Input.GetButtonUp("Fire1")){
			Rigidbody instance = Instantiate(bullet, transform.position, transform.rotation)
			as Rigidbody; 

			//Create an instance of a 3d vector facing the sam direction as cam
			Vector3 fwd = transform.TransformDirection(Vector3.forward);
			instance.AddForce(fwd * power);

		}


	
	}
}