void MoveTowardsCenter(Collider[] closeBoids)
{
float size = 0f;
Vector3 avgPosition = Vector3.zero;
for (int i = 0; i < closeBoids.Length; i++) // For every close boid
{
Boid3D boid = closeBoids[i].GetComponent <Boid3D>();
if (boid != this)
{
avgPosition += boid.GetPosition(); // Calculate average position
size++;
}
}
if (size > 0)
{
avgPosition /= size;
Vector3 targetPosition = avgPosition - transform.position; // Get the direction from current position to the average position calculated and normalize it
targetPosition = targetPosition.normalized;
rb.velocity += targetPosition * (bfactory.GetCohesionFactor() / 10.0f); // Add an amount of
}
}
void GenerateBoids()
{
for (int i = 0; i < numberOfBoids; i++)
{
Boid3D boid = Instantiate(boidPrefab, Vector3.zero, Quaternion.identity).GetComponent <Boid3D>(); // Instantiate a new boid
float rpx = Random.Range(-10f, 10f); // position x
float rpy = Random.Range(-10f, 10f); // position y
float rpz = Random.Range(-10f, 10f); // position z
float rvx = Random.Range(-1f, 1f); // direction x
float rvy = Random.Range(-1f, 1f); // direction y
float rvz = Random.Range(-1f, 1f); // direction z
float rs = Random.Range(1f, 4f); // speed
boid.Initialize(rs, new Vector3(rpx, rpy, rpz), new Vector3(rvx, rvy, rvz), this); // Set random position and random velocity
}
}
void MoveWith(Collider[] closeBoids)
{
float size = 0f;
Vector3 avgVelocity = Vector3.zero;
for (int i = 0; i < closeBoids.Length; i++) // For every close boid
{
Boid3D boid = closeBoids[i].GetComponent <Boid3D>();
if (boid != this)
{
avgVelocity += boid.GetVelocity(); // Calculate average velocity
size++;
}
}
if (size > 0)
{
avgVelocity /= size;
rb.velocity += (avgVelocity * (bfactory.GetAlignmentFactor() / 10.0f)); // Add an amount of average velocity calculated to the current velocity
}
}
void MoveAway(Collider[] closeBoids)
{
float theta = Mathf.Deg2Rad * 45f;
float cs = Mathf.Cos(theta);
float sn = Mathf.Sin(theta);
for (int i = 0; i < closeBoids.Length; i++)
{
Boid3D boid = closeBoids[i].GetComponent <Boid3D>();
if (boid != this)
{
Vector3 targetPosition = transform.position - boid.GetPosition();
targetPosition = targetPosition.normalized;
float px = targetPosition.x * cs - targetPosition.y * sn;
float py = targetPosition.x * sn + targetPosition.y * cs;
Vector3 dir = new Vector3(px, py, 0);
rb.velocity += dir * (bfactory.GetSeparationFactor() / 10.0f);
}
}
}
