public static Vector2D CalculateTransform(TransformState state, TransformType type)
{
var blobs = state.Blobs;
var pBlobs = state.PBlobs;
if (pBlobs.Count() != blobs.Count())
{
return(new Vector2D());
}
var value = new Vector2D();
var pValue = new Vector2D();
var delta = new Vector2D();
switch (type)
{
case TransformType.Scale:
if (blobs.Count() < 2)
{
Debug.WriteLine("[WARNING] Scale state have less than 2 fingers");
return(new Vector2D());
}
value.x = value.y = VMath.Dist(blobs.First().Position, blobs.Last().Position);
pValue.x = pValue.y = VMath.Dist(pBlobs.First().Position, pBlobs.Last().Position);
delta = value - pValue;
//Debug.WriteLine(blobs.Count());
break;
case TransformType.Rotate:
if (blobs.Count() < 2)
{
//Debug.WriteLine("[WARNING] Rotate state have less than 2 fingers");
return(new Vector2D());
}
value.x = value.y = FindAngle(blobs.First(), blobs.Last());
pValue.x = pValue.y = FindAngle(pBlobs.First(), pBlobs.Last());
delta.x = delta.y = SubtractCycles(value.x, pValue.x);
break;
case TransformType.Translate:
value = FindCentroid(blobs);
pValue = FindCentroid(pBlobs);
delta = value - pValue;
break;
}
if (Math.Abs(delta.x) > 0.1 || Math.Abs(delta.y) > 0.1)
{
delta = new Vector2D();
}
return(delta);
//return delta.LinearEasing(pDelta);
}
public static Vector2D CalculateTransform(TransformState state, TransformType type)
{
var blobs = state.Blobs;
var pBlobs = state.PBlobs;
if (pBlobs.Count() != blobs.Count())
{
return new Vector2D();
}
var value = new Vector2D();
var pValue = new Vector2D();
var delta = new Vector2D();
switch (type)
{
case TransformType.Scale:
if (blobs.Count() < 2)
{
Debug.WriteLine("[WARNING] Scale state have less than 2 fingers");
return new Vector2D();
}
value.x = value.y = VMath.Dist(blobs.First().Position, blobs.Last().Position);
pValue.x = pValue.y = VMath.Dist(pBlobs.First().Position, pBlobs.Last().Position);
delta = value - pValue;
//Debug.WriteLine(blobs.Count());
break;
case TransformType.Rotate:
if (blobs.Count() < 2)
{
//Debug.WriteLine("[WARNING] Rotate state have less than 2 fingers");
return new Vector2D();
}
value.x = value.y = FindAngle(blobs.First(), blobs.Last());
pValue.x = pValue.y = FindAngle(pBlobs.First(), pBlobs.Last());
delta.x = delta.y = SubtractCycles(value.x, pValue.x);
break;
case TransformType.Translate:
value = FindCentroid(blobs);
pValue = FindCentroid(pBlobs);
delta = value - pValue;
break;
}
//TODO:Check if Min Max needed
//if (Math.Abs(delta.x) > 0.1 || Math.Abs(delta.y) > 0.1) delta = new Vector2D();
return delta;
//return delta.LinearEasing(pDelta);
}
