//check if creating a new submesh is possible
private bool CheckSubMesh()
{
NavMeshManagerEditor.GetSceneView().Focus();
//get count of all submeshes
int subPointsCount = script.subPoints.Count;
if (subPointsCount > 0 && script.subPoints[subPointsCount - 1].list.Count <= 2)
{
NavMeshManagerEditor.ShowNotification("Resuming current submesh.");
return(false);
}
return(true);
}
/// <summary>
/// Creates a portal container gameobject with portals as its children.
/// </summary>
public void CreateNewPortal()
{
//get the current unix timestamp for a unique naming scheme
var epochStart = new System.DateTime(1970, 1, 1, 0, 0, 0, System.DateTimeKind.Utc);
string timestamp = (System.DateTime.UtcNow - epochStart).TotalSeconds.ToString("F0");
//create portal container with unique name
GameObject portalGO = new GameObject();
portalGO.transform.parent = script.transform;
portalGO.name = "Portal " + timestamp;
portalGO.AddComponent <PortalObject>();
//try to get a position in the center of our scene view,
//one near position directly at the camera and a position 10 units far away
Camera sceneCam = NavMeshManagerEditor.GetSceneView().camera;
Vector3 camNear = sceneCam.ViewportToWorldPoint(new Vector3(0.5f, 0.5f, 0f));
Vector3 camFar = sceneCam.ViewportToWorldPoint(new Vector3(0.5f, 0.5f, 10f));
//calculate direction from near to far position
Vector3 dir = (camFar - camNear).normalized;
//set the portal container to the far position as default
portalGO.transform.position = camFar;
//raycast in the center of the scene view,
//if the ray hits something the portal container gets positioned there
RaycastHit hit;
if (Physics.Raycast(camNear, dir, out hit))
{
portalGO.transform.position = hit.point;
}
//create child objects/portals
for (int i = 0; i < 2; i++)
{
GameObject child = new GameObject("" + i);
child.transform.parent = portalGO.transform;
}
//reposition them around the portal container
portalGO.transform.GetChild(0).position = portalGO.transform.position + Vector3.left;
portalGO.transform.GetChild(1).position = portalGO.transform.position + Vector3.right;
Undo.RegisterCreatedObjectUndo(portalGO, "Created Portal");
Selection.activeGameObject = portalGO;
}
private bool CheckCombine(NavMeshObject script)
{
//get count of all submeshes
int subPointsCount = script.subPoints.Count;
if (subPointsCount > 0)
{
//remove submesh without references
if (script.subPoints[subPointsCount - 1].list.Count == 0)
{
script.subPoints.RemoveAt(subPointsCount - 1);
}
else if (script.subPoints[subPointsCount - 1].list.Count <= 2)
{
NavMeshManagerEditor.ShowNotification("Can't combine submeshes.\nYou haven't placed enough points.");
return(false);
}
}
return(true);
}
//check if a combine of submeshes is possible
private void CheckCombine()
{
NavMeshManagerEditor.GetSceneView().Focus();
//get count of all submeshes
int subPointsCount = script.subPoints.Count;
if (script.subPoints.Count == 0)
{
return;
}
NavMeshObject.SubPoints lastPoints = script.subPoints[subPointsCount - 1];
if (lastPoints.list.Count <= 2)
{
selected.Clear();
for (int i = 0; i < lastPoints.list.Count; i++)
{
selected.Add(lastPoints.list[i]);
}
DeleteSelected();
}
}