OuijaMTLGJ2016/Assets/scripts/PlayerBehaviour.cs

using UnityEngine;
using System.Collections;

public class PlayerBehaviour : MonoBehaviour {

	public int playerNumber;
	public float speed = 10;
	public GameObject anchor;
	public float maxRangeFromAnchor = 3;

	// Use this for initialization
	void Start () {
	
	}
	
	// Update is called once per frame
	void FixedUpdate () {
		string horizAxisString = "Horizontal"+(playerNumber==1?"":playerNumber.ToString());
		string vertAxisString = "Vertical"+(playerNumber==1?"":playerNumber.ToString());

		Vector3 movement = new Vector3 (Input.GetAxis(horizAxisString), Input.GetAxis(vertAxisString), 0) * speed * Time.deltaTime;

		if (movement.magnitude > speed)
			movement = movement.normalized * speed * Time.deltaTime;

		Vector3 distanceFromAnchor = transform.position - anchor.transform.position;
		if ((distanceFromAnchor + movement).magnitude > maxRangeFromAnchor) {
			movement -= (distanceFromAnchor - distanceFromAnchor.normalized * maxRangeFromAnchor);
		}//*/

		transform.position += movement;
	}
}