/// <summary>
/// Get the moving distance for the next delta time
/// </summary>
public float GetDistance(float deltaTime)
{
var distance = 0.0f;
/* If it's dragging, return the dragging distance set from `SetMovement()` */
if (_isDragging)
{
_isDragging = false;
distance = _draggingDistance;
if (!IsGoingTooFar(distance))
{
return(distance);
}
var exceedingDistance = _getAligningDistance() * -1;
var limit =
_exceedingDistanceLimit * Mathf.Sign(exceedingDistance);
distance = limit - exceedingDistance;
}
/* Aligning */
else if (!_aligningMovementCurve.IsMovementEnded())
{
distance = _aligningMovementCurve.GetDistance(deltaTime);
}
/* Releasing */
else if (!_releasingMovementCurve.IsMovementEnded())
{
distance = _releasingMovementCurve.GetDistance(deltaTime);
if (!IsGoingTooFar(distance) && !IsTooSlow())
{
return(distance);
}
// Make the releasing movement end
_releasingMovementCurve.EndMovement();
// Start the aligning movement instead
_aligningMovementCurve.SetMovement(_getAligningDistance());
distance = _aligningMovementCurve.GetDistance(deltaTime);
}
return(distance);
}
/// <summary>
/// Get the moving distance for the next delta time
/// </summary>
/// <param name="deltaTime">The next delta time</param>
/// <returns>The moving distance in this period</returns>
public float GetDistance(float deltaTime)
{
if (!_bouncingMovementCurve.IsMovementEnded())
{
return(_bouncingMovementCurve.GetDistance(deltaTime));
}
var distance = _unitMovementCurve.GetDistance(deltaTime);
if (!NeedToBounceBack(distance))
{
return(distance);
}
// Make the unit movement end
_unitMovementCurve.EndMovement();
_bouncingMovementCurve.SetMovement(-1 * _getAligningDistance());
// Start at the furthest point to move back
_bouncingMovementCurve.GetDistance(0.125f);
return(_bouncingMovementCurve.GetDistance(deltaTime));
}