float CalculateTemplateDistance(IList <GestureStroke> strokes, GestureTemplate templateToMatch)
{
var distance = 0.0f;
for (var i = 0; i < strokes.Count; i++)
{
var stroke = strokes[i];
var strokeToMatch = templateToMatch.Strokes[i];
if (strokeToMatch.IsDot != stroke.IsDot)
{
return(Mathf.Infinity);
}
if (strokeToMatch.IsDot && stroke.IsDot)
{
distance += Vector2.Distance(strokeToMatch.DotPosition, stroke.DotPosition) * dotDistancePenalty;
}
else
{
if (stroke.Points.Count != strokeToMatch.Points.Count)
{
Debug.LogError("Difference in list length when calculating distance is not supported");
return(Mathf.Infinity);
}
var tempdistance = 0.0f;
for (var j = 0; j < stroke.Points.Count; j++)
{
var strokePoint = stroke.Points[j];
var pointToMatch = strokeToMatch.Points[j];
var penaltyModifier = templateToMatch.PenaltyModifier(strokePoint, pointToMatch);
tempdistance += Vector2.Distance(strokePoint, pointToMatch) * penaltyModifier;
}
distance += (tempdistance / stroke.Points.Count);
}
}
return(distance);
}
