private bool CheckForSwipeStart(TouchEvent touchEvent)
{
if (touchEvent.GetCurrentState() != TouchPhase.Moved && touchEvent.GetCurrentState() != TouchPhase.Ended)
{
return(false);
}
Vector2 totalDistance = touchEvent.GetTouchEventPositionDelta();
return(totalDistance.magnitude >= minSwipeDistance);
}
private bool CheckForSwipeEnd(TouchEvent touchEvent)
{
float totalDistance = touchEvent.GetTouchEventPositionDelta().magnitude;
if (totalDistance >= minSwipeDistance)
{
Vector2 startPosition = touchEvent.GetStartPosition();
Vector2 endPosition = touchEvent.GetEndPosition();
float minLengthAllowed = totalDistance - maxSwipeVarianceFromStraightLine;
float maxLengthAllowed = totalDistance + maxSwipeVarianceFromStraightLine;
foreach (TouchFrame frame in touchEvent.GetFrames())
{
Vector2 framePosition = frame.GetPosition();
float frameDistance = Vector2.Distance(startPosition, framePosition) + Vector2.Distance(framePosition, endPosition);
if (frameDistance < minLengthAllowed || frameDistance > maxLengthAllowed)
{
Debug.Log("Frame distance " + frameDistance + " outside of " + minLengthAllowed + " and " + maxLengthAllowed);
return(false);
}
}
return(true);
}
return(false);
}
private bool IsTap(TouchEvent touchEvent)
{
return(touchEvent.GetTouchEventTime() <= maxTapTime &&
touchEvent.GetTouchEventPositionDelta().magnitude < maxTapDistance);
}
