RollingBall

using UnityEngine;

public class PlayerMovement : MonoBehaviour {

    public Rigidbody rb;
    public float pushSpeed = 2000f;
    public float moveSpeed = 100f;

    // Runs once when starting game
    void Start () {

    }

    // Update is called once per frame
    void FixedUpdate () {

        if (Input.GetKey("d"))
        {
            rb.AddForce(moveSpeed * Time.fixedDeltaTime, 0, 0);
        }

        if (Input.GetKey("s"))
        {
            rb.AddForce(0, 0, -moveSpeed * Time.fixedDeltaTime);
        }

        if (Input.GetKey("a"))
        {
            rb.AddForce(-moveSpeed * Time.fixedDeltaTime, 0, 0);
        }

        if (Input.GetKey("w"))
        {
            rb.AddForce(0, 0, moveSpeed * Time.fixedDeltaTime);
        }
    }
}