/// <summary>
/// Returns true if there is a duplicate icon in the scene. Uses locality hashing to do so
/// </summary>
Boolean SameIconExists(Vector3 point, string text)
{
int key = LevenshteinDistance.GetLevenshteinKey(text);
List <GameObject> iconList;
// Compare icon against all other icons that have a similar text
if (iconDictionary.TryGetValue(key, out iconList))
{
foreach (GameObject go in iconList)
{
string goText = go.GetComponent <IconAction>().Text;
if (LevenshteinDistance.GetLevenshteinDistance(text, goText) < LevenshteinDistance.ToleranceLevel && Vector3.Distance(point, go.transform.position) < 0.135)
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// Place icons given a hit to the spatial mapping
/// </summary>
public void PlaceIcons(RaycastHit centerHit, String runningText, Vector3 topLeft, Vector3 topRight, Vector3 bottomRight, Vector3 bottomLeft, Vector3 combinedTopLeft, Vector3 combinedTopRight, Vector3 combinedBottomRight, Vector3 combinedBottomLeft)
{
if (SameIconExists(centerHit.point, runningText)) // Avoid duplicates
{
return;
}
// Put icon into the scene
GameObject icon = Instantiate(Icon);
icon.transform.position = centerHit.point;
icon.GetComponent <IconAction>().Text = runningText;
icon.transform.rotation = Quaternion.LookRotation(-centerHit.normal);
// Change icon size
ChangeCircleIconScale(icon, combinedTopLeft, combinedTopRight, combinedBottomLeft);
// Change icon color based on coordinates
icon.GetComponent <Interactible>().OriginalMaterial = GetMaterial(topLeft.y, topRight.y, bottomRight.y, bottomLeft.y, icon);
// Add icon to dictionary to prevent duplicates later on
int key = LevenshteinDistance.GetLevenshteinKey(runningText);
List <GameObject> iconList;
if (iconDictionary.TryGetValue(key, out iconList))
{
iconList.Add(icon);
}
else
{
iconList = new List <GameObject>();
iconList.Add(icon);
iconDictionary.Add(key, iconList);
}
// Update counts and indicators
NumIcons++;
numIconsDetectedInOneCall++;
NewTextDetected = true;
}
