Transforms direction from local space to world space.

This operation is not affected by scale or position of the transform. The returned vector has the same length as direction.

	// Calculate the x-axis relative to the camera
	var cam : Transform = Camera.main.transform;
	var cameraRelativeRight : Vector3 = cam.TransformDirection (Vector3.right);
	// Apply a force relative to the camera's x-axis
	rigidbody.AddForce (cameraRelativeRight * 10);

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Transform cam = Camera.main.transform;
    public Vector3 cameraRelativeRight = cam.TransformDirection(Vector3.right);
    void Example() {
        rigidbody.AddForce(cameraRelativeRight * 10);
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public cam as Transform = Camera.main.transform

	public cameraRelativeRight as Vector3 = cam.TransformDirection(Vector3.right)

	def Example() as void:
		rigidbody.AddForce((cameraRelativeRight * 10))

Transforms direction x, y, z from local space to world space.

This operation is not affected by scale or position of the transform. The returned vector has the same length as direction.

	// Calculate the x-axis relative to the camera
	var cam : Transform = Camera.main.transform;
	var cameraRelativeRight : Vector3 = cam.TransformDirection (1, 0, 0);
	// Apply a force relative to the camera's x-axis
	rigidbody.AddForce (cameraRelativeRight * 10);

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Transform cam = Camera.main.transform;
    public Vector3 cameraRelativeRight = cam.TransformDirection(1, 0, 0);
    void Example() {
        rigidbody.AddForce(cameraRelativeRight * 10);
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public cam as Transform = Camera.main.transform

	public cameraRelativeRight as Vector3 = cam.TransformDirection(1, 0, 0)

	def Example() as void:
		rigidbody.AddForce((cameraRelativeRight * 10))