Debugging - Mastering Unity Scripting - page 59

using UnityEngine;
using System.Collections;
public class GizmoCube : MonoBehaviour
{
//Show debugging info?
public bool DrawGizmos = true;
//Called to draw gizmos. Will always draw.
//If you want to draw gizmos for only selected object, then call
//OnDrawGizmosSelected
void OnDrawGizmos()
{
if(!DrawGizmos) return;
//Set gizmo color
Gizmos.color = Color.blue;
//Draw front vector - show the direction I'm facing
Gizmos.DrawRay(transform.position,
transform.forward.normalized * 4.0f);
//Set gizmo color
//Show proximity radius around cube
//If cube were an enemy, they would detect the player
within this radius
Gizmos.color = Color.red;
Gizmos.DrawWireSphere(transform.position, 4.0f);
//Restore color back to white
Gizmos.color = Color.white;
}
}