Version: 2017.1
public float distance ;



using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public Vector2 direction;

void Update() { //Cast a ray in the direction specified in the inspector. RaycastHit2D hit = Physics2D.Raycast(this.gameObject.transform.position, direction);

//If something was hit. if (hit.collider != null) { //If the object hit is less than or equal to 6 units away from this object. if (hit.distance <= 6.0f) { Debug.Log("Enemy In Range!"); } } } }