protected override Vector2 DoForceCalculation()
{
if (path2D == null)
{
return(Vector2.zero);
}
float speedPerFrame = Controller.MaxSpeed * Time.fixedDeltaTime;
if (!finished && Vector2.Distance(transform.position, path2D[curWaypoint]) <= speedPerFrame)
{
curWaypoint = (curWaypoint + 1) % path2D.Length;
if (!loop && curWaypoint == path2D.Length - 1) //End of path
{
finished = true;
}
}
if (finished)
{
return(arrive.CalculateForce(path2D[curWaypoint]));
}
return(seek.CalculateForce(path2D[curWaypoint]));
}
protected override Vector2 DoForceCalculation()
{
if (target == null)
{
return(Vector2.zero);
}
Vector2 toTarget = target.transform.position - transform.position;
float relativeHeading = Vector2.Dot(transform.up, target.transform.up);
if (Vector2.Dot(toTarget, transform.up) > 0 &&
relativeHeading < -0.95)
{
return(seek.CalculateForce(target.position));
}
float lookAheadTime = toTarget.magnitude / (Controller.MaxSpeed + target.velocity.magnitude);
return(seek.CalculateForce(target.position + target.velocity * lookAheadTime));
}
protected override Vector2 DoForceCalculation()
{
wanderTarget += new Vector2(
Random.Range(-1.0f, 1.0f) * wanderJitter,
Random.Range(-1.0f, 1.0f) * wanderJitter);
wanderTarget.Normalize();
wanderTarget *= wanderRadius;
Vector2 targetLocal = wanderTarget + new Vector2(0.0f, wanderDistance);
Vector2 targetWorld = transform.localToWorldMatrix.MultiplyPoint(targetLocal);
return(seek.CalculateForce(targetWorld));
}
protected override Vector2 DoForceCalculation()
{
Vector2 centerOfMass = Vector2.zero;
Vector2 steeringForce = Vector2.zero;
for (int i = 0; i < neighbours.NeighbourCount; i++)
{
Collider2D neighbour = neighbours.GetNeighbour(i);
centerOfMass += (Vector2)neighbour.transform.position;
}
if (neighbours.NeighbourCount > 0)
{
centerOfMass /= neighbours.NeighbourCount;
steeringForce = seek.CalculateForce(centerOfMass);
}
return(steeringForce);
}