Animation restart when Target is found again.

Hi,
I've been trying to change the coding in Default trackable event handling (script) to start the animation again as the target image is found again. and stop the animation when target is lost.

This is the coding that is default. The code mentioned in bold is what I changed the audio in the coding to restart the audio every time the target is lost and found again. Now I want the same thing for animation. It would be great if someone can help me out with this.

/*==============================================================================
Copyright (c) 2017 PTC Inc. All Rights Reserved.

Copyright (c) 2010-2014 Qualcomm Connected Experiences, Inc.
All Rights Reserved.
Confidential and Proprietary - Protected under copyright and other laws.
==============================================================================*/

using UnityEngine;
using Vuforia;

/// <summary>
/// A custom handler that implements the ITrackableEventHandler interface.
/// </summary>
public class DefaultTrackableEventHandler : MonoBehaviour, ITrackableEventHandler
{
#region PRIVATE_MEMBER_VARIABLES

protected TrackableBehaviour mTrackableBehaviour;

#endregion // PRIVATE_MEMBER_VARIABLES

#region UNTIY_MONOBEHAVIOUR_METHODS

protected virtual void Start()
{
mTrackableBehaviour = GetComponent<TrackableBehaviour>();
if (mTrackableBehaviour)
mTrackableBehaviour.RegisterTrackableEventHandler(this);
}

#endregion // UNTIY_MONOBEHAVIOUR_METHODS

#region PUBLIC_METHODS

/// <summary>
/// Implementation of the ITrackableEventHandler function called when the
/// tracking state changes.
/// </summary>
public void OnTrackableStateChanged(
TrackableBehaviour.Status previousStatus,
TrackableBehaviour.Status newStatus)
{
if (newStatus == TrackableBehaviour.Status.DETECTED ||
newStatus == TrackableBehaviour.Status.TRACKED ||
newStatus == TrackableBehaviour.Status.EXTENDED_TRACKED)
{

AudioSource audio = GetComponent<AudioSource> ();
audio.Play ();
}
else
{
AudioSource audio = GetComponent<AudioSource> ();
audio.Stop ();
}
}

#endregion // PUBLIC_METHODS

#region PRIVATE_METHODS

protected virtual void OnTrackingFound()
{
var rendererComponents = GetComponentsInChildren<Renderer>(true);
var colliderComponents = GetComponentsInChildren<Collider>(true);
var canvasComponents = GetComponentsInChildren<Canvas>(true);

// Enable rendering:
foreach (var component in rendererComponents)
component.enabled = true;

// Enable colliders:
foreach (var component in colliderComponents)
component.enabled = true;

// Enable canvas':
foreach (var component in canvasComponents)
component.enabled = true;
}


protected virtual void OnTrackingLost()
{
var rendererComponents = GetComponentsInChildren<Renderer>(true);
var colliderComponents = GetComponentsInChildren<Collider>(true);
var canvasComponents = GetComponentsInChildren<Canvas>(true);

// Disable rendering:
foreach (var component in rendererComponents)
component.enabled = false;

// Disable colliders:
foreach (var component in colliderComponents)
component.enabled = false;

// Disable canvas':
foreach (var component in canvasComponents)
component.enabled = false;
}

#endregion // PRIVATE_METHODS
}

 

What have you tried so far in attempting to get this work? Are you encountering a specific issue?

 

Hi khaliqmk,

Would be great if you put your code into a c# code block. Makes it way more readable.

Code (CSharp):

1. /*==============================================================================
2. Copyright (c) 2017 PTC Inc. All Rights Reserved.
3.  
4. Copyright (c) 2010-2014 Qualcomm Connected Experiences, Inc.
5. All Rights Reserved.
6. Confidential and Proprietary - Protected under copyright and other laws.
7. ==============================================================================*/
8.  
9. using UnityEngine;
10. using Vuforia;
11.  
12. /// <summary>
13. ///     A custom handler that implements the ITrackableEventHandler interface.
14. /// </summary>
15. public class DefaultTrackableEventHandler : MonoBehaviour, ITrackableEventHandler
16. {
17.     #region PRIVATE_MEMBER_VARIABLES
18.  
19.     protected TrackableBehaviour mTrackableBehaviour;
20.  
21.     #endregion // PRIVATE_MEMBER_VARIABLES
22.  
23.     #region UNTIY_MONOBEHAVIOUR_METHODS
24.  
25.     protected virtual void Start()
26.     {
27.         mTrackableBehaviour = GetComponent<TrackableBehaviour>();
28.         if (mTrackableBehaviour)
29.             mTrackableBehaviour.RegisterTrackableEventHandler(this);
30.     }
31.  
32.     #endregion // UNTIY_MONOBEHAVIOUR_METHODS
33.  
34.     #region PUBLIC_METHODS
35.  
36.     /// <summary>
37.     ///     Implementation of the ITrackableEventHandler function called when the
38.     ///     tracking state changes.
39.     /// </summary>
40.     public void OnTrackableStateChanged(
41.         TrackableBehaviour.Status previousStatus,
42.         TrackableBehaviour.Status newStatus)
43.     {
44.         if (newStatus == TrackableBehaviour.Status.DETECTED ||
45.             newStatus == TrackableBehaviour.Status.TRACKED ||
46.             newStatus == TrackableBehaviour.Status.EXTENDED_TRACKED)
47.         {
48.          
49. AudioSource audio = GetComponent<AudioSource> ();
50.             audio.Play ();
51.         }
52.         else
53.         {
54.             AudioSource audio = GetComponent<AudioSource> ();
55.             audio.Stop ();
56.         }
57.     }
58.  
59.     #endregion // PUBLIC_METHODS
60.  
61.     #region PRIVATE_METHODS
62.  
63.     protected virtual void OnTrackingFound()
64.     {
65.         var rendererComponents = GetComponentsInChildren<Renderer>(true);
66.         var colliderComponents = GetComponentsInChildren<Collider>(true);
67.         var canvasComponents = GetComponentsInChildren<Canvas>(true);
68.  
69.         // Enable rendering:
70.         foreach (var component in rendererComponents)
71.             component.enabled = true;
72.  
73.         // Enable colliders:
74.         foreach (var component in colliderComponents)
75.             component.enabled = true;
76.  
77.         // Enable canvas':
78.         foreach (var component in canvasComponents)
79.             component.enabled = true;
80.     }
81.  
82.  
83.     protected virtual void OnTrackingLost()
84.     {
85.         var rendererComponents = GetComponentsInChildren<Renderer>(true);
86.         var colliderComponents = GetComponentsInChildren<Collider>(true);
87.         var canvasComponents = GetComponentsInChildren<Canvas>(true);
88.  
89.         // Disable rendering:
90.         foreach (var component in rendererComponents)
91.             component.enabled = false;
92.  
93.         // Disable colliders:
94.         foreach (var component in colliderComponents)
95.             component.enabled = false;
96.  
97.         // Disable canvas':
98.         foreach (var component in canvasComponents)
99.             component.enabled = false;
100.     }
101.  
102.     #endregion // PRIVATE_METHODS
103. }

And with regards to your question, there's a C# scripting API for animations ; https://docs.unity3d.com/ScriptReference/Animation.html

Cheers.

 

Good afternoon friends, I also have a doubt similar to this one. How do I make the animation start only when I start tracking? How do I edit scritp Default trackable event handling?

I tried the following:
1) Creating the variable:

public class DefaultTrackableEventHandler: MonoBehaviour, ITrackableEventHandler
{
public UnityEngine.Animator animacao;
#region PROTECTED_MEMBER_VARIABLES

protected TrackableBehaviour mTrackableBehaviour;

2) Calling:

protected virtual void OnTrackingFound ()
{
animacao.Play;

But it did not work.

Any ideas?
A hug

 

Hi Everyone, It seems like such a simple idea and an obvious one? Yet Vuforia does not provide a solution. Sometimes we need to think differently to find the right solution. I did find this out and it works for me: Instantiate the game object when detected will then start the animation.
https://library.vuforia.com/articles/Solution/Working-with-Vuforia-and-Unity.html

Follow the Instructions For:
How To Dynamically Add Content to Targets in Unity

Hey Everyone if you find a solution to a problem - please put it pack in your post.

 

Have you ever got an answer for this??

 

PODEMOS OBTER AJUDA?
PELO QUE OBSERVO É UMA SIMPLES QUESTÃO, POREM NÃO ENCONTRAMOS RESPOSTA?

 

utiliza este script y ponlo sobre el image track

Code (CSharp):

1.  
2. using System.Collections;
3. using System.Collections.Generic;
4. using UnityEngine;
5. using Vuforia;
6.  
7.  
8. public class EnableAnimations: MonoBehaviour, ITrackableEventHandler
9.  
10. {
11.  
12.     private TrackableBehaviour mTrackableBehaviour;
13.  
14.     public Animator animationClips;
15.  
16.  
17.     void Start ()
18.  
19.     {
20.  
21.         mTrackableBehaviour = GetComponent <TrackableBehaviour> ();
22.  
23.         if (mTrackableBehaviour)
24.  
25.         {
26.  
27.             mTrackableBehaviour.RegisterTrackableEventHandler (this);
28.  
29.         }
30.  
31.     }
32.  
33.     public void OnTrackableStateChanged (
34.  
35.                                     TrackableBehaviour.Status previousStatus,
36.  
37.                                     TrackableBehaviour.Status newStatus)
38.  
39.     {
40.  
41.         if ( newStatus == TrackableBehaviour.Status.DETECTED ||
42.  
43.             newStatus ==  TrackableBehaviour.Status.TRACKED ||
44.  
45.             newStatus == TrackableBehaviour.Status.EXTENDED_TRACKED)
46.  
47.         {
48.  
49.             // Juego cuando se encuentra el objetivo
50.  
51.             animationClips.enabled = true;
52.  
53.         }
54.  
55.         else
56.  
57.         {
58.  
59.             // Parar cuando se pierde el objetivo
60.  
61.             animationClips.enabled = false;
62.  
63.         }
64.  
65.     }
66.  
67. }  

 

Android can do it and it's important if you want to load up some videos when people look at the object and it automatically plays and restarts the animations. There has to be a way to do it. Can someone put up the steps?