Draws a wireframe sphere with center and radius.

	var explosionRadius = 5.0;
	function OnDrawGizmosSelected () {
		// Display the explosion radius when selected
		Gizmos.color = Color.white;
		Gizmos.DrawWireSphere (transform.position, explosionRadius);
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public float explosionRadius = 5.0F;
    void OnDrawGizmosSelected() {
        Gizmos.color = Color.white;
        Gizmos.DrawWireSphere(transform.position, explosionRadius);
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public explosionRadius as float = 5.0F

	def OnDrawGizmosSelected() as void:
		Gizmos.color = Color.white
		Gizmos.DrawWireSphere(transform.position, explosionRadius)