/// <summary>
/// Land the ship.
/// </summary>
public void Land()
{
if (currentState != ShipLanderState.Launched)
{
return;
}
RaycastHit hit;
if (CheckCanLand(out hit))
{
GetComponent <Rigidbody>().isKinematic = true;
// Get the start and end positions for the landing animation
startPos = transform.position;
endPos = hit.point + hit.normal * landedHeight;
// Get the start/end rotations for the landing animation
startRot = transform.rotation;
endRot = Quaternion.LookRotation(new Vector3(transform.forward.x, 0, transform.forward.z).normalized, hit.normal);
currentState = ShipLanderState.Landing;
currentStateStartTime = Time.time;
onShipLanding.Invoke();
}
}
/// <summary>
/// Launch the ship.
/// </summary>
public void Launch()
{
if (currentState != ShipLanderState.Landed)
{
return;
}
GetComponent <Rigidbody>().isKinematic = true;
// Get the start/end positions for the launching animation
startPos = transform.position;
endPos = transform.position + Vector3.up * (launchHeight - landedHeight);
// Get the start/end rotations for the launching animation
startRot = transform.rotation;
endRot = transform.rotation;
currentState = ShipLanderState.Launching;
currentStateStartTime = Time.time;
onShipLaunching.Invoke();
}
// Physics update
void FixedUpdate()
{
switch (currentState)
{
// Launching animation
case ShipLanderState.Launching:
float amount = (Time.time - currentStateStartTime) / launchTime;
if (amount >= 1)
{
amount = 1;
GetComponent <Rigidbody>().isKinematic = false;
currentState = ShipLanderState.Launched;
currentStateStartTime = Time.time;
onShipLaunched.Invoke();
}
float curveAmount = launchCurve.Evaluate(amount);
transform.position = curveAmount * endPos + (1 - curveAmount) * startPos;
transform.rotation = Quaternion.Slerp(startRot, endRot, curveAmount);
break;
// Landing animation
case ShipLanderState.Landing:
amount = (Time.time - currentStateStartTime) / landTime;
if (amount >= 1)
{
amount = 1;
currentState = ShipLanderState.Landed;
currentStateStartTime = Time.time;
onShipLanded.Invoke();
}
curveAmount = landCurve.Evaluate(amount);
transform.position = curveAmount * endPos + (1 - curveAmount) * startPos;
transform.rotation = Quaternion.Slerp(startRot, endRot, curveAmount);
break;
}
}