The layer the game object is in. A layer is in the range [0...31].
// Put the game object in the ignore raycast layer gameObject.layer = 2;
using UnityEngine; using System.Collections; public class Example : MonoBehaviour { void Example() { gameObject.layer = 2; } }
import UnityEngine import System.Collections public class Example(MonoBehaviour): def Example() as void: gameObject.layer = 2