/// <summary>
/// This exists as part of the IMovable interface. It is used to move the kart to a specific position for example to replace it when the kart falls off the track.
/// </summary>
public void ForceMove(Vector3 positionDelta, Quaternion rotationDelta)
{
m_Velocity = Vector3.zero;
m_DriftState = DriftState.NotDrifting;
m_RepositionPositionDelta = positionDelta;
m_RepositionRotationDelta = rotationDelta;
}
/// <summary>
/// Starts a drift if the kart lands with a sufficient turn.
/// </summary>
void StartDrift(GroundInfo currentGroundInfo, GroundInfo nextGroundInfo, Quaternion rotationStream)
{
if (m_Input.HopHeld && !currentGroundInfo.isGrounded && nextGroundInfo.isGrounded && m_HasControl && m_DriftState == DriftState.NotDrifting)
{
Vector3 kartForward = rotationStream * Vector3.forward;
kartForward.y = 0f;
kartForward.Normalize();
Vector3 flatVelocity = m_Velocity;
flatVelocity.y = 0f;
flatVelocity.Normalize();
float signedAngle = Vector3.SignedAngle(kartForward, flatVelocity, Vector3.up);
if (signedAngle > minDriftStartAngle && signedAngle < maxDriftStartAngle)
{
m_DriftOffset = Quaternion.Euler(0f, signedAngle, 0f);
m_DriftState = DriftState.FacingLeft;
OnDriftStarted.Invoke();
}
else if (signedAngle < -minDriftStartAngle && signedAngle > -maxDriftStartAngle)
{
m_DriftOffset = Quaternion.Euler(0f, signedAngle, 0f);
m_DriftState = DriftState.FacingRight;
OnDriftStarted.Invoke();
}
}
}
/// <summary>
/// Stops a drift if the hop input is no longer held.
/// </summary>
void StopDrift(float deltaTime)
{
m_DriftOffset = Quaternion.RotateTowards(m_DriftOffset, Quaternion.identity, rotationCorrectionSpeed * deltaTime);
m_DriftState = DriftState.NotDrifting;
OnDriftStopped.Invoke();
}
private void EnterNextState()
{
_hasTurnedOtherSide = false;
_driftedLongEnough = false;
switch (DriftState)
{
case DriftState.NotDrifting:
DriftState = DriftState.White;
OnDriftWhite.Invoke();
break;
case DriftState.White:
DriftState = DriftState.Orange;
OnDriftOrange.Invoke();
break;
case DriftState.Orange:
DriftState = DriftState.Red;
OnDriftRed.Invoke();
break;
case DriftState.Red:
break;
}
_driftedLongEnoughTimer = StartCoroutine(DriftTimer());
}
/// <summary>
/// Stops a drift if the hop input is no longer held.
/// </summary>
void StopDrift(float deltaTime)
{
if (!m_Input.HopHeld || !m_HasControl)
{
m_DriftOffset = Quaternion.RotateTowards(m_DriftOffset, Quaternion.identity, rotationCorrectionSpeed * deltaTime);
m_DriftState = DriftState.NotDrifting;
OnDriftStopped.Invoke();
}
}
public void ResetDrift()
{
DriftTurnState = TurnState.NotTurning;
DriftState = DriftState.NotDrifting;
OnDriftReset.Invoke();
_driftedLongEnough = false;
if (_driftedLongEnoughTimer != null)
{
StopCoroutine(_driftedLongEnoughTimer);
}
}
private void OnDriftStateChange(DriftState oldDrift, DriftState newDrift)
{
if (newDrift == DriftState.Drifting)
{
Debug.Log("wd_漂移中");
Context.Controllers.Get <PlayerDriftController>().InputDrift(true);
}
else
{
Debug.Log("wd_漂移结束");
Context.Controllers.Get <PlayerDriftController>().InputDrift(false);
}
}
/// <summary>
/// This exists as part of the IMovable interface. Typically it is called by the TrackManager when the kart finishes its final lap.
/// </summary>
public void DisableControl()
{
m_HasControl = false;
m_DriftState = DriftState.NotDrifting;
}
