void updateChaseDir()
{
if (sheepChaseTarget == null)
{
randomNextActivity();
return;
}
// check whether we can transition to abduction
float dist = (sheepChaseTarget.transform.position - transform.position).magnitude;
//Debug.Log(string.Format("start abduction? dist is {0}", dist));
if (dist <= abductStartDist)
{
state = AngelState.ABDUCTING_SHEEP;
startAbducting();
return;
}
timeoutChaseRedirect = timeoutChaseRedirectInitial;
// compute goal
Vector3 goal = sheepChaseTarget.transform.position;
goal.y += levitationHeight;
// move towards goal
Vector3 chaseDir = goal - transform.position;
chaseDir /= chaseDir.magnitude;
rb.velocity = chaseDir * chaseSpeed;
}
void startChasing()
{
// Find random sheep within sheepChaseDist
int numSheepConsidered = 0;
if (hsm.sheepDict.Count > 0)
{
foreach (int index in hsm.sheepDict.Keys)
{
GameObject sheep = hsm.sheepDict[index];
float distance = (sheep.transform.position - transform.position).magnitude;
if (distance < sheepChaseDist)
{
numSheepConsidered++;
if ((numSheepConsidered == 1) || (Random.value < (1 / numSheepConsidered)))
{
sheepChaseTarget = sheep;
}
}
}
}
// if no nearby sheep, just drift
if (numSheepConsidered == 0)
{
state = AngelState.DRIFTING;
startDrifting();
return;
}
timeoutChaseStop = timeoutChaseStopInitial;
updateChaseDir();
}
void randomNextActivity()
{
float randomNum = Random.value;
if (randomNum < driftProbability)
{
state = AngelState.DRIFTING;
startDrifting();
}
else if (randomNum < driftProbability + chaseProbability)
{
state = AngelState.CHASING_SHEEP;
startChasing();
}
else
{
state = AngelState.ATTACKING_PLAYER;
startSpontaneouslyAttacking();
}
}
private Vector3 playerTargetDisplacement = new Vector3(0, 5, 0); // bolts are aimed at player's position plus this
// Start is called before the first frame update
void Start()
{
spawnPoint = transform.position;
rb = gameObject.GetComponent <Rigidbody>();
hsm = FindObjectOfType <hellSceneManager>();
// create abduction beam
lineRenderer = gameObject.AddComponent <LineRenderer>();
lineRenderer.material = abductBeamMat;
lineRenderer.widthMultiplier = beamWidth;
Gradient gradient = new Gradient();
gradient.SetKeys(
new GradientColorKey[] { new GradientColorKey(beamStartCol, 0.0f), new GradientColorKey(beamEndCol, 1.0f) },
new GradientAlphaKey[] { new GradientAlphaKey(beamStartAlpha, 0.0f), new GradientAlphaKey(beamEndAlpha, 1.0f) }
);
lineRenderer.colorGradient = gradient;
lineRenderer.positionCount = 0;
HealthScript.AddHealthScript(gameObject, startHealth, .6f * transform.localScale.x, null, WoundAction, DeathFunction);
state = AngelState.JUST_CREATED;
}
void alarmTriggered()
{
state = AngelState.ATTACKING_PLAYER;
startAttacking();
}
