Messages

1

NGUI 3 Support / Re: Poor Scrollview Performance

« on: November 29, 2017, 01:31:26 AM »

If the elements in the ScrollView are all of the same type, using a UIWrapContent with about 6-7 items (the minimum required to fill the screen + maybe a half visible element) will improve performance a ton. Use the OnInitializeItem callback to set the element's contents like sprites,labels,etc using the realIndex parameter.

2

NGUI 3 Support / Custom touch input for VR

« on: November 24, 2017, 03:31:34 AM »

I am trying to add support for VR controllers (using VRTK) by making a script similar to the TouchScript bridge script that you provided in this thread here: http://www.tasharen.com/forum/index.php?topic=4984.msg56678

My code:

1.  
2.     void OnPointerActivated(object sender, ControllerInteractionEventArgs e)
3.     {
4.         // Start tracking touches
5.         UICamera.GetInputTouchCount = OnGetTouchCount;
6.         UICamera.GetInputTouch = OnGetTouch;
7.  
8.         mTouches.Add(new UICamera.Touch()
9.         {
10.             phase = TouchPhase.Began,
11.             fingerId = 0,
12.             position = HoverPosition,
13.             tapCount = 1
14.         });
15.     }
16.  
17.     void OnPointerHover(object sender, DestinationMarkerEventArgs e)
18.     {
19.         for (int index = 0; index < mTouches.size; ++index)
20.         {
21.             UICamera.Touch t = mTouches[index];
22.  
23.             if (t.fingerId == 0)
24.             {
25.                 var pointInScreenSpace = VRTK_DeviceFinder.HeadsetCamera().GetComponent<Camera>().WorldToScreenPoint(e.destinationPosition);
26.                 t.position = new Vector2(pointInScreenSpace.x, pointInScreenSpace.y);
27.                 t.phase = TouchPhase.Moved;
28.                 HoverPosition = t.position;
29.                 break;
30.             }
31.         }
32.     }
33.  
34.     void OnPointerClicked()
35.     {
36.          for (int index = 0; index < mTouches.size; ++index)
37.         {
38.             UICamera.Touch t = mTouches[index];
39.  
40.             if (t.fingerId == 0)
41.             {
42.                 t.phase = TouchPhase.Ended;
43.                 t.position = HoverPosition;
44.                 break;
45.             }
46.         }
47.     }
48.  
49.     void OnPointerDeactivated(object sender, ControllerInteractionEventArgs e)
50.     {
51.         // Stop tracking touches
52.         mTouches.Clear();
53.         UICamera.GetInputTouchCount = null;
54.         UICamera.GetInputTouch = null;
55.     }
56.  
57.     int OnGetTouchCount()
58.     {
59.         return mTouches.size;
60.     }
61.     UICamera.Touch OnGetTouch(int index)
62.     {
63.         return mTouches[index];
64.     }
65.  
66.     void LateUpdate()
67.     {
68.         int index = 0;
69.  
70.         while (index < mTouches.size)
71.         {
72.             UICamera.Touch touch = mTouches[index];
73.  
74.             if (touch.phase == TouchPhase.Ended)
75.             {
76.                 mTouches.RemoveAt(index);
77.             }
78.             else
79.             {
80.                 touch.phase = TouchPhase.Moved;
81.                 ++index;
82.             }
83.         }
84.     }
85.  

1. I have the touchPosition, that is a Camera.WorldToScreenPoint, and use it as touch.position when adding touches using UICamera.GetInputTouch and UICamera.GetInputTouchCount callbacks.
Could you tell me if there is something wrong in how I am adding the Touch events to mTouches and the reason why UICamera is not processing a touch once my TouchEnded touch has been added? Notice that I have changed fingerID of the touches to 0, since there is only 1 pointer I am using for now, would this be an issue?

2. I also tried making my own UICamera and replaced Input.mousePosition with HoverPosition and that did not work either.

3. There is OnCustomInput in UICamera but I could not find any resources on how to use it, could you please tell me how to go about it?