//Hungry Routine seeks out grass objects and moves to eat them
// not able to flee while eating
// if cannot find food, enters DEAD state
void HungryRoutine()
{
//gets all grass tag objects in world
var eatObjects = GameObject.FindGameObjectsWithTag("Grass");
var eatCount = eatObjects.Length;
if (eatCount > 0)
{
//sets grass obj target
var eatTarget = eatObjects[0];
Vector3 eatDir = eatTarget.transform.position - transform.position;
//gets angle to grass obj
float eatAngle = Vector3.Angle(eatDir, transform.forward);
if (eatAngle < 350.0F)
{
transform.LookAt(eatTarget.transform.position);
c.Move(eatDir.normalized * seekSpeed * Time.deltaTime);
nherdState = herdState.IDLE;
}
else
{
print("Cannot find grass");
//should wander to find it
}
}
if (currHunger <= -Globals.full_hun)
{
// nherdState = herdState.DEAD;
}
}
private void OnTriggerEnter(Collider other)
{
if (other.CompareTag("Grass"))
{
EatGrass(other);
}
if (other.CompareTag("VisionCone"))
{
print("Smelled predator");
nherdState = herdState.FLEEING;
}
}
//Performs IDLE state routines
// switches to flee state if found player
//switches to eating state if hungry
//else Wanders
void IdleRoutine(float playerDistance)
{
if (playerDistance < 25)// | if (player_angle <= 50.0F)
{
SetTarget(target);
nherdState = herdState.FLEEING;
}
else if (currHunger <= 0)
{
// nherdState = herdState.HUNGRY; // temporary since no grass yet
}
}
//Flee Routine runs from player or target
//nneds to rotate away and run away quickly
void FleeRoutine(float playerDistance)
{
Vector3 f = transform.TransformDirection(Vector3.forward);
c.SimpleMove(f * fleeSpeed);
//c.Move(transform.forward * fleeSpeed * Time.deltaTime);
if (playerDistance > 40)
{
SetTarget(null);
nherdState = herdState.IDLE;
}
}
private void OnControllerColliderHit(ControllerColliderHit other)
{
if (other.gameObject.CompareTag("Predator"))
{
{
print("Hit by predator");
nherdState = herdState.DEAD;
biteSound.Play();
//Destroy(this.gameObject);
}
}
if (other.gameObject.CompareTag("Player"))
{
{
print("Hit by player");
nherdState = herdState.DEAD;
biteSound.Play();
// Destroy(this.gameObject);
}
}
}
void Update()
{
hunger--;
Vector3 forward = transform.forward;
Vector3 playerDir = player.transform.position - transform.position;
float player_angle = Vector3.Angle(playerDir, forward);
var distance = Vector3.Distance(player.transform.position, transform.position);
// print(distance);
if (isWandering == false)
{
StartCoroutine(Wander());
}
if (isRotatingRight == true)
{
transform.Rotate(transform.up * Time.deltaTime * rotSpeed);
}
if (isRotatingLeft == true)
{
transform.Rotate(transform.up * Time.deltaTime * -rotSpeed);
}
if (isWalking == true)
{
transform.position += transform.forward * movementSpeed * Time.deltaTime;
}
switch (nherdState)
{
case herdState.IDLE:
//Look for player
eating = 1000; //restore eating timer
if (distance < 20) //if (player_angle <= 50.0F)
{
//if player is found
SetTarget(target);
nherdState = herdState.FLEEING;
print("! --------------- ZEBRA FLEE");
}
//Check hunger
//if hunger low, look for grass
else if (hunger <= 0)
{
//print("Hungry");
var objects = GameObject.FindGameObjectsWithTag("Grass");
var objectCount = objects.Length;
var obj = objects[0];
Vector3 grassDir = obj.transform.position - transform.position;
float grass_angle = Vector3.Angle(grassDir, forward);
if (grass_angle < 300.0F)
{
transform.LookAt(obj.transform.position, Vector3.zero);
transform.position = Vector3.MoveTowards(transform.position, obj.transform.position, seekSpeed);
// nherdState = herdState.EATING;
print("! --------------- ZEBRA EAT");
}
else
{
print("Cannot find grass");
}
}
break;
case herdState.FLEEING:
transform.position += transform.forward * movementSpeed * Time.deltaTime;
if (distance > 40)
{
SetTarget(null);
nherdState = herdState.IDLE;
print("! --------------- ZEBRA IDLE");
}
break;
/* case herdState.EATING:
* eating--;
* if (eating <= 0)
* {
* nherdState = herdState.IDLE;
* print("! --------------- ZEBRA IDLE");
* }
* break;
* //etc.*/
}
}
