public override CarInput Execute()
{
// check if state has any time remaining
elapsedTime += Time.deltaTime;
if (elapsedTime >= maxTime)
{
StateMachine.ChangeToState <NormalState>();
}
// do path follow
float pathFollowInput = owner.PathFollowInput();
if (Mathf.Abs(pathFollowInput) > 0)
{
// need to turn for path follow, need to reset wander
wander = 0;
return(new CarInput
{
acceleration = 1,
turn = pathFollowInput
});
}
else
{
// if the opponent is nearby, steer into them
Vector3 carOffset = owner.otherCar.car.position - owner.car.position;
if (carOffset.magnitude < 10)
{
// try to steer into it
float dir = Vector3.Dot(owner.car.right, carOffset);
if (Mathf.Abs(dir) > Mathf.Epsilon)
{
// get sign of direction
dir /= Mathf.Abs(dir);
// if the target is behind us, slow down
float accel = 1;
float lead = Vector3.Dot(owner.car.forward, carOffset);
if (lead < 0)
{
accel = 0.9f;
}
return(new CarInput
{
acceleration = accel,
turn = dir
});
}
}
// apply random wander if we did not turn for any other reason
wander += Random.Range(-1f, 1f) * wanderStrength * Time.fixedDeltaTime;
return(new CarInput
{
acceleration = 1,
turn = wander
});
}
}
public override CarInput Execute()
{
// do path follow
float pathFollowInput = owner.PathFollowInput();
if (Mathf.Abs(pathFollowInput) > 0)
{
// need to turn for path follow, need to reset wander
wander = 0;
return(new CarInput
{
acceleration = 0.95f,
turn = pathFollowInput
});
}
else
{
// find closest coin
Vector3 closest = Vector3.zero;
Collider[] colliders = Physics.OverlapSphere(owner.car.position, 10, coinMask);
foreach (Collider col in colliders)
{
if (col.transform.root != owner.transform && (col.transform.position - owner.car.position).magnitude > closest.magnitude)
{
closest = col.transform.position - owner.car.position;
}
}
// try to steer into it
float dir = Vector3.Dot(owner.car.right, closest);
if (Mathf.Abs(dir) > Mathf.Epsilon)
{
// get sign of direction
dir /= Mathf.Abs(dir);
return(new CarInput
{
acceleration = 0.95f,
turn = dir
});
}
// apply random wander if we did not turn for any other reason
wander += Random.Range(-1f, 1f) * wanderStrength * Time.fixedDeltaTime;
return(new CarInput
{
acceleration = 0.95f,
turn = wander
});
}
}