// This will return the recorded position of the current finger when it was at 'targetAge'
public Vector2 GetSnapshotScreenPosition(float targetAge)
{
var screenPosition = ScreenPosition;
NewLeanSnapshot.TryGetScreenPosition(Snapshots, targetAge, ref screenPosition);
return(screenPosition);
}
// Records a snapshot of the current finger
public void RecordSnapshot()
{
// Get an unused snapshot and set it up
var snapshot = NewLeanSnapshot.Pop();
snapshot.Age = Age;
snapshot.ScreenPosition = ScreenPosition;
// Add to list
Snapshots.Add(snapshot);
}
// Add a finger based on index, or return the existing one
private void AddFinger(int index, Vector2 screenPosition)
{
var finger = FindFinger(index);
// No finger found?
if (finger == null)
{
var inactiveIndex = FindInactiveFingerIndex(index);
// Use inactive finger?
if (inactiveIndex >= 0)
{
finger = InactiveFingers[inactiveIndex]; InactiveFingers.RemoveAt(inactiveIndex);
// Inactive for too long?
if (finger.Age > TapThreshold)
{
finger.TapCount = 0;
}
// Reset values
finger.Age = 0.0f;
finger.Set = false;
finger.LastSet = false;
finger.Tap = false;
finger.Swipe = false;
}
// Create new finger?
else
{
finger = new NewLeanFinger();
finger.Index = index;
}
finger.StartScreenPosition = screenPosition;
finger.LastScreenPosition = screenPosition;
finger.ScreenPosition = screenPosition;
finger.StartedOverGui = finger.IsOverGui;
Fingers.Add(finger);
}
finger.Set = true;
finger.ScreenPosition = screenPosition;
// Record?
if (RecordFingers == true)
{
// Too many snapshots?
if (RecordLimit > 0.0f)
{
if (finger.SnapshotDuration > RecordLimit)
{
var removeCount = NewLeanSnapshot.GetLowerIndex(finger.Snapshots, finger.Age - RecordLimit);
finger.ClearSnapshots(removeCount);
}
}
// Record snapshot?
if (RecordThreshold > 0.0f)
{
if (finger.Snapshots.Count == 0 || finger.LastSnapshotScreenDelta.magnitude >= RecordThreshold)
{
finger.RecordSnapshot();
}
}
else
{
finger.RecordSnapshot();
}
}
}
