Raycast layers

Questions & Answers
1

Hello,
I need to make an interaction script. So far it looks like this:

void Update()
		{	
_Fwd = _Camera.transform.TransformDirection(Vector3.forward);

			if (Physics.Raycast(transform.position, _Fwd, out _Hit, _InteractLenght, _InteractLayer))
			{
				if (_Hit.collider.CompareTag("Door") || _Hit.collider.CompareTag("Drawer"))
				{
					_Crosshair_Interact();
					if(Input.GetKeyDown(KeyCode.E))
					{
						//_Hit.collider.GetComponent<ToggleAnimation>().Toggle();
					}
				}
			}
			else if (_InteractIconToggle)
			{
				_InteractIconToggle = false;
				Crosshair_Idle();
			}
		}

However, when I use it for interaction layer it doesn’t count the default layer which means my raycast can go through walls and interact with objects through the wall. Would I have to do a second raycast using a default layer and returning a true if the object is hit in default layer and interact layer? Or is there any more of an efficient way of doing this?

Thank you for your time.

2

Physics.Raycast(transform.position, _Fwd, out _Hit, _InteractLenght, _InteractLayer | 0) where 0 is the default layer. See How do I use layermasks? - Questions & Answers - Unity Discussions for more detailed answers.