Version: 2017.1
public Vector3 forward ;

Description

The blue axis of the transform in world space.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public float thrust; public Rigidbody rb; void Start() { rb = GetComponent<Rigidbody>(); } void Update() { rb.AddForce(transform.forward * thrust); } }

Другой пример:

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public float angleBetween = 0.0F; public Transform target; void Update() { Vector3 targetDir = target.position - transform.position; angleBetween = Vector3.Angle(transform.forward, targetDir); } }