private bool UpdateThrustAxis()
{
// check for rotations
Quaternion rotation = Quaternion.identity;
// ship controller will rotate the engine thrust
bool updated = false;
if (Input.GetKeyUp(KeyCode.A))
{
shipController.Rotate(spinRate, Vector3.forward);
updated = true;
}
else if (Input.GetKeyUp(KeyCode.D))
{
shipController.Rotate(-spinRate, Vector3.forward);
updated = true;
}
else if (Input.GetKeyUp(KeyCode.W))
{
shipController.Rotate(spinRate, Vector3.right);
updated = true;
}
else if (Input.GetKeyUp(KeyCode.S))
{
shipController.Rotate(-spinRate, Vector3.right);
}
return(updated);
}
// "Note also that the Input flags are not reset until "Update()",
// so its suggested you make all the Input Calls in the Update Loop."
// Do key processing in Update. Means some GE calls happen off stride in
// FixedUpdate.
void Update()
{
if (Input.GetKeyDown(KeyCode.Space))
{
running = !running;
GravityEngine.Instance().SetEvolve(running);
}
spaceship.Run(running, GravityEngine.Instance().GetPhysicalTime());
// RF: Have state inner class with update method to segregate?
switch (state)
{
case State.INTERCEPT_SELECTION:
// check for rotations
// ship change will trigger a recompute of trajectories, intercepts will only be
// determinable once this is done
Quaternion rotation = Quaternion.identity;
if (Input.GetKey(KeyCode.A))
{
spaceship.Rotate(spinRate, Vector3.forward);
}
else if (Input.GetKey(KeyCode.D))
{
spaceship.Rotate(-spinRate, Vector3.forward);
}
else if (Input.GetKey(KeyCode.W))
{
spaceship.Rotate(spinRate, Vector3.right);
}
else if (Input.GetKey(KeyCode.S))
{
spaceship.Rotate(-spinRate, Vector3.right);
}
else if (Input.GetKeyDown(KeyCode.Minus))
{
spaceship.UpdateThrust(-thrustPerKeypress);
}
else if (Input.GetKeyDown(KeyCode.Equals) || Input.GetKeyDown(KeyCode.Plus))
{
spaceship.UpdateThrust(thrustPerKeypress);
}
// Can check intercepts when trajectory is up to date
if (!lastTrajectoryUpToDate && GravityEngine.Instance().TrajectoryUpToDate())
{
CheckIntercepts();
}
lastTrajectoryUpToDate = GravityEngine.Instance().TrajectoryUpToDate();
break;
case State.SELECT_OBJECTIVE:
// check for mouse on a target object
int selected = GetShipSelection();
if (selected >= 0)
{
target = targets[selected];
}
break;
case State.MANEUVER:
// Show current time and pending maneuvers
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append(string.Format("World Time: {0:000.0} [x{1}]\n",
GravityEngine.Instance().GetPhysicalTime(),
GravityEngine.Instance().GetTimeZoom()));
sb.Append(string.Format("\nManeuvers Pending:\n"));
string[] mstrings = spaceship.ManeuverString();
if (mstrings.Length > 0)
{
foreach (string s in spaceship.ManeuverString())
{
sb.Append(string.Format("{0}\n", s));
}
maneuverText.text = sb.ToString();
}
else
{
SetState(State.SELECT_OBJECTIVE);
}
break;
default:
break;
}
}