void DropPheromones()
{
foreach (GameObject pheromoneObj in pheromones)
{
Pheromone pheromone = pheromoneObj.GetComponent <Pheromone>();
bool drop = false;
float strength = 0;
switch (pheromone.GetPheromoneType())
{
case Pheromone.PheromoneType.Food:
if (hasFood)
{
drop = true;
strength = pheromone.GetStartingStrength() - (pheromone.dropRate * foodCount * 2);
}
break;
case Pheromone.PheromoneType.Home:
if (!hasFood && !goHome)
{
drop = true;
strength = pheromone.GetStartingStrength() - (pheromone.dropRate * homeCount * 2);
}
break;
}
if (strength < 0)
{
strength = 0;
}
if (drop)
{
Debug.Log(strength);
GameObject droppedPheromone = Instantiate(pheromoneObj);
droppedPheromone.GetComponent <Pheromone>().SetColony(colony);
droppedPheromone.GetComponent <Pheromone>().strength = (int)strength;
droppedPheromone.transform.position = transform.position;
}
}
}
void UpdateDirection()
{
Vector3 prevDirection = direction;
// Momentum
direction = direction * momentumRatio;
// Target
int topStrength = 0;
Vector3 topDirection = Vector3.zero;
foreach (GameObject pheromoneObj in world.GetPheromones())
{
if (Vector3.Distance(transform.position, pheromoneObj.transform.position) < range)
{
Pheromone pheromone = pheromoneObj.GetComponent <Pheromone>();
switch (pheromone.GetPheromoneType())
{
case Pheromone.PheromoneType.Food:
if (!hasFood && !goHome && !explorer)
{
if (pheromone.GetStrength() > topStrength)
{
topStrength = pheromone.GetStrength();
topDirection = (pheromoneObj.transform.position - transform.position).normalized;
}
}
break;
case Pheromone.PheromoneType.Home:
if (hasFood || goHome)
{
if (pheromone.GetStrength() > topStrength)
{
topStrength = pheromone.GetStrength();
topDirection = (pheromoneObj.transform.position - transform.position).normalized;
}
}
break;
}
}
}
direction += topDirection * targetRatio;
/*
* foreach(GameObject ant in world.GetAnts())
* {
* if (Vector3.Distance(transform.position, ant.transform.position) < 2)
* {
* direction += (transform.position - ant.transform.position).normalized*2;
* }
* }
*/
//Randomize slightly
direction += new Vector3(Random.Range(-1.0f, 1.0f), 0, Random.Range(-1.0f, 1.0f)) * randomRatio;
//Wall avoidance
Vector3 myPosition = transform.position;
RaycastHit hit;
if (Physics.Raycast(myPosition, prevDirection, out hit, range))
{
if (hit.collider.gameObject.tag == "Wall")
{
direction += (transform.position - hit.point).normalized * hitRatio;
}
}
//No climbing
if (direction.y > 0)
{
direction.y = 0;
}
direction.Normalize();
}
