170
Resources.UnloadAssetmPotraitTextureIPhone; Resources.UnloadAssetmPotraitTextureIPhone5;
Resources.UnloadAssetmPotraitTextureIPad; }
public void
UpdateUI bool
tf {
if tf
return ;
if QCARRuntimeUtilities.IsPlayMode
{ GUI.DrawTexture
new Rect0,
0, Screen.width,
Screen.height, mWindowsPlayModeTexture; }
else {
if UNITY_IPHONE
if iPhone.generation
== iPhoneGeneration.iPhone5
{ GUI.DrawTexturenew
Rect0, 0,
Screen.width, Screen.height, mPotraitTextureIPhone5; }
else if
iPhone.generation ==
iPhoneGeneration.iPhone {
GUI.DrawTexturenew Rect0,
0, Screen.width,
Screen.height, mPotraitTextureIPhone,
ScaleMode.ScaleAndCrop; }
else {
GUI.DrawTexturenew
Rect0, 0,
Screen.width, Screen.height,
mPotraitTextureIPad, ScaleMode.ScaleAndCrop;
} else
GUI.DrawTexture new
Rect0, 0, Screen.width, Screen.height, mAndroidPotrait, ScaleMode.ScaleAndCrop;
endif }
} endregion
ISampleAppUIView implementation }
35. TextRecoBehaviour.cs
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
public class
TextRecoBehaviour : TextRecoAbstractBehaviour
{ }
171
36. TrackableEventHandler.cs
using UnityEngine;
public class
TrackableEventHandler : MonoBehaviour,
ITrackableEventHandler {
region PRIVATE_MEMBER_VARIABLES
private TrackableBehaviour mTrackableBehaviour;
private bool
mHasBeenFound = false
; private
bool mLostTracking;
private float
mSecondsSinceLost; endregion
PRIVATE_MEMBER_VARIABLES
region UNITY_MONOBEHAVIOUR_METHODS
void Start
{ mTrackableBehaviour
= GetComponentTrackableBehaviour;
if mTrackableBehaviour
{ mTrackableBehaviour.RegisterTrackableEventHandler
this ;
} OnTrackingLost;
}
void Update
{ Pause the video if tracking is lost for more than
two seconds if
mHasBeenFound mLostTracking {
if mSecondsSinceLost 2.0f
{ VideoPlaybackBehaviour
video =
GetComponentInChildrenVideoPlaybackBehaviour; if
video = null
video.CurrentState ==
VideoPlayerHelper.MediaState.PLAYING {
video.VideoPlayer.Pause; }
mLostTracking =
false ;
} mSecondsSinceLost += Time.deltaTime;
} }
172
endregion UNITY_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
{ OnTrackingFound;
}
else {
OnTrackingLost; }
}
endregion PUBLIC_METHODS
region PRIVATE_METHODS
private void
OnTrackingFound {
Renderer[] rendererComponents
= GetComponentsInChildrenRenderer;
Collider[] colliderComponents
= GetComponentsInChildrenCollider;
Enable rendering: foreach
Renderer component in
rendererComponents {
component.enabled = true
; }
Enable colliders: foreach
Collider component in
colliderComponents {
component.enabled = true
; }
173
Debug.Log Trackable
+ mTrackableBehaviour.TrackableName +
found ;
Optionally play the video automatically when the target is found
VideoPlaybackBehaviour video
= GetComponentInChildrenVideoPlaybackBehaviour;
if video =
null video.AutoPlay
{ if
video.VideoPlayer.IsPlayableOnTexture {
VideoPlayerHelper.MediaState state
= video.VideoPlayer.GetStatus;
if state
== VideoPlayerHelper.MediaState.PAUSED ||
state ==
VideoPlayerHelper.MediaState.READY || state
== VideoPlayerHelper.MediaState.STOPPED
{ Pause other videos before playing this
one PauseOtherVideosvideo;
Play this video on texture where it left off
video.VideoPlayer.Play false
, video.VideoPlayer.GetCurrentPosition;
} else
if state
== VideoPlayerHelper.MediaState.REACHED_END
{ Pause other videos before playing this
one PauseOtherVideosvideo;
Play this video from the beginning video.VideoPlayer.Play
false , 0;
} }
} mHasBeenFound =
true ;
mLostTracking = false
; }
private void
OnTrackingLost {
Renderer[] rendererComponents
= GetComponentsInChildrenRenderer;
Collider[] colliderComponents
= GetComponentsInChildrenCollider;
Disable rendering:
174
foreach Renderer component
in rendererComponents
{ component.enabled =
false ;
} Disable colliders:
foreach Collider component
in colliderComponents
{ component.enabled =
false ;
} Debug.Log
Trackable +
mTrackableBehaviour.TrackableName + lost
; mLostTracking =
true ;
mSecondsSinceLost = 0; }
Pause all videos except this one private
void PauseOtherVideosVideoPlaybackBehaviour
currentVideo {
VideoPlaybackBehaviour[] videos
= VideoPlaybackBehaviour[]
FindObjectsOfType typeof
VideoPlaybackBehaviour; foreach
VideoPlaybackBehaviour video in
videos {
if video = currentVideo
{ if
video.CurrentState ==
VideoPlayerHelper.MediaState.PLAYING {
video.VideoPlayer.Pause; }
} }
}
endregion PRIVATE_METHODS
}
37. TurnOffBehaviour.cs
