private bool allBoxesFacingSameDirection(SyllableBoxSet set, out Vector3 avgDirection)
{
if (set != null &&
set.Count > 0)
{
Vector3 avgVector = set[0].gameObject.transform.forward;
for (int i = 1; i < set.Count; i++)
{
Vector3 x = set[i].gameObject.transform.forward;
avgVector = (x + avgVector) / (i + 1);
float dot = Vector3.Dot(avgVector, x);
if (dot <= 0)
{
avgDirection = avgVector;
return(false);
}
}
avgDirection = avgVector;
return(true);
}
avgDirection = Vector3.zero;
return(false);
}
public bool IsCorrect(SyllableBoxSet set)
{
if (set != null)
{
Syllable[] syllablesInVisualOrder = GetSyllableOrder(set);
if (syllablesInVisualOrder != null)
{
return(set.IsCorrectOrder(syllablesInVisualOrder));
}
}
return(false);
}
public Syllable[] GetSyllableOrder(SyllableBoxSet set)
{
Vector3 avgForward;
if (allBoxesFacingSameDirection(set, out avgForward))
{
return(getSyllablesInVisualOrder(set));
}
else
{
return(null);
}
}
private Syllable[] getSyllablesInVisualOrder(SyllableBoxSet set)
{
List <SyllableBox> boxList = new List <SyllableBox>(set.Boxes);
if (boxList.Count > 1)
{
VisualBoxComparator vbc = new VisualBoxComparator();
boxList.Sort(vbc);
}
List <Syllable> syllablesInVisualOrderList = new List <Syllable>();
for (int i = 0; i < boxList.Count; i++)
{
syllablesInVisualOrderList.Add(boxList[i].Syllable);
}
return(syllablesInVisualOrderList.ToArray());
}
