NavMesh.AllAreas

Description

Area mask constant that includes all NavMesh areas.

The mask can be used in query functions, such as NavMesh.Raycast, to indicate that all NavMesh area types are accepted.

#pragma strict
// TargetReachable
public class TargetReachable extends MonoBehaviour {
	public var target: Transform;
	private var hit: NavMeshHit;
	private var blocked: boolean = false;
	function Update() {
		// is reachable from the transform location.
		blocked = NavMesh.Raycast(transform.position, target.position, hit, NavMesh.AllAreas);
		Debug.DrawLine(transform.position, target.position, blocked ? Color.red : Color.green);
		if (blocked)
			Debug.DrawRay(hit.position, Vector3.up, Color.red);
	}
}

// TargetReachable
using UnityEngine;
using UnityEngine.AI;

public class TargetReachable : MonoBehaviour
{
    public Transform target;
    private NavMeshHit hit;
    private bool blocked = false;

    void Update()
    {
        // Allow pass through all area types when testing if the target position
        // is reachable from the transform location.
        blocked = NavMesh.Raycast(transform.position, target.position, out hit, NavMesh.AllAreas);
        Debug.DrawLine(transform.position, target.position, blocked ? Color.red : Color.green);
        if (blocked)
            Debug.DrawRay(hit.position, Vector3.up, Color.red);
    }
}

See Also: Areas and Costs to learn how to use different Area types.