OK, I am using a mesh to check if there is a wall between one node and another node, something like this:
var layermask : layerMask;//layerMask is the layer named Walls
var nodes : Vector3[] = Grid.vertices;
if(!Physics.Linecast(nodes[actualnum],nodes[actualnum-1],layermask)){
//Only pass if there is nothing(walls) between this nodes
DoSomething();
//This is just a reduction, there is more but this is the important part
}
OK, for those how ask lots of things, My wall has a box collider and a layer named Walls and in the script the variable layermask I put Walls, then I have try to remove the !, add layermask.value, set the layermask variable of all except Walls and some many other things, but nothing works. Somebody can tell me what is wrong or what I miss. Please if someone have a question please comment, do not answer.