1 using System;
2 using
UnityEngine;
3
4 namespace
UnityStandardAssets.Vehicles.Car
5 {
6     
public class CarSelfRighting : MonoBehaviour
7     {
8         
// Automatically put the car the right way up, if it has come to rest upside-down.
9         [SerializeField]
private float m_WaitTime = 3f; // time to wait before self righting
10         [SerializeField]
private float m_VelocityThreshold = 1f; // the velocity below which the car is considered stationary for self-righting
11
12         
private float m_LastOkTime; // the last time that the car was in an OK state
13         
private Rigidbody m_Rigidbody;
14
15
16         
private void Start()
17         {
18             m_Rigidbody = GetComponent<Rigidbody>();
19         }
20
21
22         
private void Update()
23         {
24             
// is the car is the right way up
25             
if (transform.up.y > 0f || m_Rigidbody.velocity.magnitude > m_VelocityThreshold)
26             {
27                 m_LastOkTime = Time.time;
28             }
29
30             
if (Time.time > m_LastOkTime + m_WaitTime)
31             {
32                 RightCar();
33             }
34         }
35
36
37         
// put the car back the right way up:
38         
private void RightCar()
39         {
40             
// set the correct orientation for the car, and lift it off the ground a little
41             transform.position += Vector3.up;
42             transform.rotation = Quaternion.LookRotation(transform.forward);
43         }
44     }
45 }


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