Layer Mask Help

Hey all,

I've created a simple script to move my player to a location of a click/touch. Im now trying to stop the character from moving if an NGUI object is clicked. Im trying to do this with layermasks but no such luck thus far.

Here is my code:

Code (CSharp):

1. //function call when event is fired
2.     void OnMultiTap(Tap tap)
3.     {
4.         if(InputOnNGUIObject(tap.pos)) return;
5.  
6.         //Your custom code;
7.         Ray ray = Camera.main.ScreenPointToRay(tap.pos);
8.         RaycastHit hit;
9.  
10.         if (_terrain.collider.Raycast (ray, out hit, Mathf.Infinity))
11.         {
12.             _newLocation.position = hit.point;
13.         }
14.     }
15.  
16.     bool InputOnNGUIObject(Vector2 inputPos)
17.     {
18.         Ray ray = _cam.ScreenPointToRay(inputPos);
19.         RaycastHit hit;
20.         //NGUILayer is the layer number set for ngui object
21.         LayerMask mask = 8;
22.  
23.         if (Physics.Raycast(ray, out hit, Mathf.Infinity, mask.value))
24.         {
25.             Debug.Log("Mask hit");
26.             //the raycast hit something, means the input lands on ngui object
27.             return true;
28.         }
29.         return false;
30.     }

The gui Layer is layer 8. The On Multitap stuff is the Input.Touches plugin from the asset store and this stuff is all working fine, its just the character still moves to the click/ touch location when an NGUI object is clicked. Anyone have any ideas as to why?

Thank you

 

LayerMask mask = 8 is wrong
LayerMask mask = (1<<8) is right
Its a bit mask

 

Thanks hpjohn. Unfortunately this hasn't fixed the problem. I think its something to do with the camera and UICamera both doing a raycast which may be the issue.

 

Use something like:
if(UICamera.hoveredObject != null && UICamera.hoveredObject.layer == LayerMask.NameToLayer("NGUILayer"))
{
// Don't move
}

 

trololl... That works perfectly. Thank you so much. Will have to dissect that I'd figure out exactly what it does but that was a huge help.