UnityRaycast

Unity3d Raycast Camera

Create Raycast

void Update()
{
if (Input.GetMouseButtonDown(0))
    {
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;
        if (Physics.Raycast(ray, out hit))
        {

            //case 1
            if (hit.collider.tag == "tag1")
            {
            }
            
              //case 2
            if (hit.collider.tag == "tag2")
            {
            }
         }
    }    
}

To Cearte class using ITrackableEventHandler

// 1- add Reference

using Vuforia;

// 2-Add

public class Class_name : MonoBehaviour, ITrackableEventHandler {}

// 3- Add

protected TrackableBehaviour mTrackableBehaviour;

// 4 - on Start class

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

// 5- OnTrackableStateChanged

public void OnTrackableStateChanged(
TrackableBehaviour.Status previousStatus,
TrackableBehaviour.Status newStatus)
{
    if (newStatus == TrackableBehaviour.Status.DETECTED ||
        newStatus == TrackableBehaviour.Status.TRACKED ||
        newStatus == TrackableBehaviour.Status.EXTENDED_TRACKED)
    {

        Debug.Log("Trackable " + mTrackableBehaviour.TrackableName + " found");

        if (mTrackableBehaviour.TrackableName == "Marker_name")
        {         
        
        }
       OnTrackingFound();
     }
   else if (previousStatus == TrackableBehaviour.Status.TRACKED &&
             newStatus == TrackableBehaviour.Status.NOT_FOUND)
    {
        Debug.Log("Trackable " + mTrackableBehaviour.TrackableName + " lost");
        OnTrackingLost();
    }
    else
    {
        // For combo of previousStatus=UNKNOWN + newStatus=UNKNOWN|NOT_FOUND
        // Vuforia is starting, but tracking has not been lost or found yet
        // Call OnTrackingLost() to hide the augmentations
        OnTrackingLost();
    }
}

6- // Use this for initialization

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;
}

AudioSource C# on unity

Gameobject.GetComponent<AudioSource>().Play();
Gameobject.GetComponent<AudioSource>().Stop();
Gameobject.GetComponent<AudioSource>().Pause();

Video C# on unity

// add Reference using UnityEngine.Video;

Gameobject.GetComponent<VideoPlayer>().Play();
Gameobject.GetComponent<VideoPlayer>().Stop();
Gameobject.GetComponent<VideoPlayer>().Pause();

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