void FixedUpdate()
{
// update gravity vector
switch (gravityDown)
{
case GravityDown.Absolute:
_thrustVector = Vector3.up;
break;
case GravityDown.Relative:
_thrustVector = _transform.up;
break;
}
// update relative forces on vehicle
foreach (Vector3 v3lp in liftPoints)
{
Vector3 worldPosition = transform.TransformPoint(v3lp);
Vector3 forceVector = _thrustVector;
forceVector *= (_mass + linearLift - 1) * factorLift * hoverAltitude;
forceVector /= Mathf.Pow(GetAltitudeAtPoint(_transform.TransformPoint(v3lp)), geometricLift);
_rigidbody.AddForceAtPosition(forceVector, worldPosition, ForceMode.Acceleration);
if (_debugTick)
{
Debug.Log("forceVector: " + forceVector.magnitude +
", altitude: " + UU.Trunc(GetAltitudeAtPoint(_transform.position), 2) +
", divisor: " + Mathf.Pow(GetAltitudeAtPoint(_transform.TransformPoint(v3lp)), geometricLift));
}
}
if (enableGravityKeel)
{
RaycastHit data;
if (Physics.Raycast(_transform.position, -_thrustVector, out data, 18))
{
// rotate toward 'level' as indicated by the surface below
SelfRightNonKinematic(data.normal);
}
else
{
// raycast hit nothing, so we migh be flipped over, or very high
// so rotate toward the 'universal' level
SelfRightNonKinematic(Vector3.up);
}
}
_debugTick = false;
}
void OnGUI()
{
if (!showGUI)
{
return;
}
GUILayout.BeginHorizontal();
GUILayout.Space(guiPosition.x);
GUILayout.BeginVertical();
GUILayout.Space(guiPosition.y);
GUILayout.Label(stringId + "( " + UU.Trunc(_altitude, 1) + " : " + UU.Trunc(_buoyancyVector.magnitude, 1) + ")");
GUILayout.EndVertical();
GUILayout.EndHorizontal();
}